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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 2016 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;
		44	use Coro::EV;
39	use Coro::AnyEvent;	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 1.6;	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	$SIG{__DIE__} = sub { }; #d#?
232		325
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
246	cf::client cf::player	339	cf::client cf::player
247	cf::arch cf::living	340	cf::arch cf::living
248	cf::map cf::mapspace	341	cf::map cf::mapspace
249	cf::party cf::region	342	cf::party cf::region
250	)) {	343	)) {
251	no strict 'refs';
252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
253	}	345	}
254		346
255	$EV::DIED = sub {	347	$EV::DIED = sub {
256	warn "error in event callback: @_";	348	warn "error in event callback: $@";
257	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
258		355
259	#############################################################################	356	#############################################################################
260		357
261	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
262		359
…		…
283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
284	$d	381	$d
285	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
286	}	383	}
287		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
288	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
289		438
290	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
291		440
292	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299		448
300	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
301	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
302		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
303	=item cf::lock_wait $string	528	=item cf::lock_wait $string
304		529
305	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
306		531
307	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
308		533
309	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
310	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,
311	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
312	returned.	537	returned.
313		538
314	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
315	deadlocked coro.	540	deadlocked coro.
…		…
321		546
322	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.
323		548
324	=cut	549	=cut
325		550
326	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
327	our %LOCKER;#d#
328		552
329	sub lock_wait($) {	553	sub lock_wait($) {
330	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
331
332	if ($LOCKER{$key} == $Coro::current) {#d#
333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334	return;#d#
335	}#d#
336
337	# wait for lock, if any
338	while ($LOCK{$key}) {
339	push @{ $LOCK{$key} }, $Coro::current;
340	Coro::schedule;
341	}
342	}	555	}
343		556
344	sub lock_acquire($) {	557	sub lock_acquire($) {
345	my ($key) = @_;	558	$LOCKS->guard ($_[0])
346
347	# wait, to be sure we are not locked
348	lock_wait $key;
349
350	$LOCK{$key} = [];
351	$LOCKER{$key} = $Coro::current;#d#
352
353	Coro::guard {
354	delete $LOCKER{$key};#d#
355	# wake up all waiters, to be on the safe side
356	$_->ready for @{ delete $LOCK{$key} };
357	}
358	}	559	}
359		560
360	sub lock_active($) {	561	sub lock_active($) {
361	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
362
363	! ! $LOCK{$key}
364	}	563	}
365		564
366	sub freeze_mainloop {	565	sub freeze_mainloop {
367	tick_inhibit_inc;	566	tick_inhibit_inc;
368		567
369	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
370	}	569	}
371		570
372	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
373		572
374	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
375	get spread over timer.	574	get spread over time.
376		575
377	=cut	576	=cut
378		577
379	sub periodic($$) {	578	sub periodic($$) {
380	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
384	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
385	}	584	}
386		585
387	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
388		587
389	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
390	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
391	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$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.
392		595
393	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
394	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
395		598
396	Useful for short background jobs.	599	Useful for short background jobs.
397		600
398	=cut	601	=cut
399		602
400	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
401	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
402		606
403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
405	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
406		610
407	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
408		613
409	while () {	614	while () {
410	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
411	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
412	if ($avail > 0.01) {	620
413	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
414	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
415	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
416	$job->[2]->send;	625	$job->[2]->send;
417	Coro::cede;
418	goto next_job;	626	goto next_job;
419	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
420	}	629	}
421	}	630	}
422		631
423	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
424	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
425	push @cf::WAIT_FOR_TICK, $signal;
426	$signal->wait;
427	} else {	634	} else {
		635	$busy = 0;
428	Coro::schedule;	636	Coro::schedule;
429	}	637	}
430	}	638	}
431	};	639	};
432		640
433	sub get_slot($;$$) {	641	sub get_slot($;$$) {
434	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
435		643
436	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
437		645
438	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
439	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
440		649
441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
443	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
455	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
456		665
457	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
458		667
459	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
460	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
462	acceptable.	671	acceptable.
463		672
464	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
465	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
469	=cut	678	=cut
470		679
471	sub sync_job(&) {	680	sub sync_job(&) {
472	my ($job) = @_;	681	my ($job) = @_;
473		682
474	if ($Coro::current == $Coro::main) {	683	if (in_main) {
475	my $time = EV::time;	684	my $time = AE::time;
476		685
477	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
478	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
479		688
480	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
481		690
482	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
483		692
484	my $busy = 1;	693	my $busy = 1;
485	my @res;	694	my @res;
486		695
487	(async {	696	(async {
488	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
489	@res = eval { $job->() };	698	@res = eval { $job->() };
490	warn $@ if $@;	699	error $@ if $@;
491	undef $busy;	700	undef $busy;
492	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
493		702
494	while ($busy) {	703	while ($busy) {
495	if (Coro::nready) {	704	if (Coro::nready) {
496	Coro::cede_notself;	705	Coro::cede_notself;
497	} else {	706	} else {
498	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
499	}	708	}
500	}	709	}
501		710
502	my $time = EV::time - $time;	711	my $time = AE::time - $time;
503		712
504	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
505		714
506	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
507	} else {	716	} else {
…		…
529	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
530		739
531	$coro	740	$coro
532	}	741	}
533		742
534	=item fork_call { }, $args	743	=item fork_call { }, @args
535		744
536	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
537	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
538	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
539	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
540		749
541	=cut	750	=cut
542		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
543	sub fork_call(&@) {	756	sub fork_call(&@) {
544	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
545		758
546	# we seemingly have to make a local copy of the whole thing,
547	# otherwise perl prematurely frees the stuff :/
548	# TODO: investigate and fix (likely this will be rather laborious)
549
550	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
551	reset_signals;	760	cf::post_fork;
552	&$cb	761	&$cb
553	}, @args;	762	} @args;
554		763
555	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	)
556	}	776	}
557		777
558	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
559		779
560	=cut	780	=cut
…		…
597	within each server.	817	within each server.
598		818
599	=cut	819	=cut
600		820
601	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
602	my ($name) = @_;	825	my ($name) = @_;
603	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
604		827
605	eval {	828	eval {
606	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
616	}	839	}
617		840
618	our $DB;	841	our $DB;
619		842
620	sub db_init {	843	sub db_init {
621	cf::sync_job {
622	$DB ||= db_table "db";	844	$DB ||= db_table "db";
623	};
624	}	845	}
625		846
626	sub db_get($$) {	847	sub db_get($$) {
627	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
628		849
629	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
630	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
631		854
632	$! ? ()	855	$! ? ()
633	: $data	856	: $data
634	}
635	}	857	}
636		858
637	sub db_put($$$) {	859	sub db_put($$$) {
638	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
667		889
668	my @data;	890	my @data;
669	my $md5;	891	my $md5;
670		892
671	for (0 .. $#$src) {	893	for (0 .. $#$src) {
672	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
673	or Carp::croak "$src->[$_]: $!";
674	}	895	}
675		896
676	# if processing is expensive, check	897	# if processing is expensive, check
677	# checksum first	898	# checksum first
678	if (1) {	899	if (1) {
…		…
691		912
692	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
693	}	914	}
694	}	915	}
695		916
696	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
697	my $data = $process->(\@data);	918	my $data = $process->(\@data);
698	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
699		920
700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
701		922
702	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
703	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
704	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
705		926
…		…
715		936
716	=cut	937	=cut
717		938
718	sub datalog($@) {	939	sub datalog($@) {
719	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
721	}	942	}
722		943
723	=back	944	=back
724		945
725	=cut	946	=cut
726		947
727	#############################################################################	948	#############################################################################
728		949
729	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
730		951
731	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
732	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")
733	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
734		955
735	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>
736	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
…		…
786	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
787		1008
788	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
789	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
790		1011
791	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
792	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.
793		1014
794	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
795		1016
796	=over 4	1017	=over 4
…		…
920		1141
921	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
922	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
923		1144
924	} elsif (ref $type) {	1145	} elsif (ref $type) {
925	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
926		1147
927	} else {	1148	} else {
928	shift @arg;	1149	shift @arg;
929	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
930	}	1151	}
931	}	1152	}
932	}	1153	}
933		1154
934	sub _object_attach {	1155	sub _object_attach {
…		…
944	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
945	}	1166	}
946		1167
947	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
948	} else {	1169	} else {
949	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
950	}	1171	}
951		1172
952	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
953	}	1174	}
954		1175
…		…
1013		1234
1014	for (@$callbacks) {	1235	for (@$callbacks) {
1015	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1016		1237
1017	if ($@) {	1238	if ($@) {
1018	warn "$@";
1019	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1020	override;	1240	override;
1021	}	1241	}
1022		1242
1023	return 1 if $override;	1243	return 1 if $override;
1024	}	1244	}
…		…
1087		1307
1088	sub reattach {	1308	sub reattach {
1089	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
1090	my ($obj) = @_;	1310	my ($obj) = @_;
1091		1311
		1312	# no longer needed after getting rid of delete_package?
1092	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
1093		1314
1094	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
1095		1316
1096	@$registry = ();	1317	@$registry = ();
1097		1318
…		…
1102	for (@$attach) {	1323	for (@$attach) {
1103	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1104	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1105	}	1326	}
1106	} else {	1327	} else {
1107	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1108	}	1329	}
1109	}	1330	}
1110	}	1331	}
1111		1332
1112	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1139	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1140		1361
1141	sync_job {	1362	sync_job {
1142	if (length $$rdata) {	1363	if (length $$rdata) {
1143	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1144	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1145	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1146		1368
1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1148	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1150	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	}
1151	aio_close $fh;	1376	aio_close $fh;
1152		1377
1153	if (@$objs) {	1378	if (@$objs) {
1154	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) {
1155	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1157	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1158	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	}
1159	aio_close $fh;	1387	aio_close $fh;
1160	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1161	}	1389	}
1162	} else {	1390	} else {
1163	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1164	}	1392	}
1165		1393
1166	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1167	} else {	1398	} else {
1168	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1169	}	1400	}
1170	} else {	1401	} else {
1171	aio_unlink $filename;	1402	aio_unlink $filename;
1172	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1173	}	1404	}
…		…
1197	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1198	$av = $st->{objs};	1429	$av = $st->{objs};
1199	}	1430	}
1200		1431
1201	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1202	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1203	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1204		1436
1205	($data, $av)	1437	($data, $av)
1206	}	1438	}
1207		1439
1208	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1212	=cut	1444	=cut
1213		1445
1214	#############################################################################	1446	#############################################################################
1215	# command handling &c	1447	# command handling &c
1216		1448
1217	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1218		1450
1219	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
1220	$name.	1452	$name.
1221		1453
1222	=cut	1454	=cut
…		…
1228	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1229		1461
1230	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1231	}	1463	}
1232		1464
1233	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1234		1466
1235	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1236	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
1237	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
1238	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
1239	has logged in successfully.	1471	has logged in successfully.
1240		1472
1241	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1242	called.
1243		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
1244	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1245		1481
1246	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1247	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
1248	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
1249	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
1250	log-in.	1486	log-in.
1251		1487
1252	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1253	called.
1254		1489
1255	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1256		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1257	sub register_extcmd {	1497	sub register_extcmd($$) {
1258	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1259		1499
1260	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1261	}	1501	}
1262		1502
1263	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1264	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1265		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1266	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1267	}	1513	}
1268		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1269	cf::player->attach (	1523	cf::player->attach (
1270	on_command => sub {	1524	on_unknown_command => sub {
1271	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1272		1526
1273	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1274	or return;	1528	or return;
1275		1529
…		…
1283	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1284		1538
1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1286		1540
1287	if (ref $msg) {	1541	if (ref $msg) {
1288	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1289	"ARRAY" eq ref $msg
1290	? @$msg
1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1292		1543
1293	my @reply;
1294
1295	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}) {
1296	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1297	}	1562	}
1298		1563
1299	$pl->ext_reply ($reply, @reply)
1300	if $reply;
1301
1302	} else {	1564	} else {
1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1304	}	1566	}
1305		1567
1306	cf::override;	1568	cf::override;
1307	},	1569	},
1308	);	1570	);
1309		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
1310	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1311	cf::sync_job {	1601	cf::sync_job {
1312	my %todo;	1602	my %todo;
1313		1603
1314	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1315	next unless -r $path;	1605	next unless -r $path;
…		…
1333		1623
1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336		1626
1337	$ext{source} =	1627	$ext{source} =
1338	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1339	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1340	. $source	1630	. $source
1341	. "\n};\n1";	1631	. "\n};\n1";
1342		1632
1343	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1344	}	1634	}
1345		1635
		1636	my $pass = 0;
1346	my %done;	1637	my %done;
1347	while (%todo) {	1638	while (%todo) {
1348	my $progress;	1639	my $progress;
1349		1640
		1641	++$pass;
		1642
		1643	ext:
1350	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1351	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1352	goto skip	1646	next ext
1353	unless exists $done{$_};	1647	unless exists $done{$_};
1354	}	1648	}
1355		1649
1356	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1357		1651
1358	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 $@) {
1359	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1360	: "$v->{base}: extension inactive.\n";
1361		1665
1362	if (exists $v->{meta}{mandatory}) {
1363	warn $msg;
1364	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1365	}	1667	if exists $v->{meta}{mandatory};
1366		1668
1367	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;
1368	}	1678	}
1369
1370	$done{$k} = delete $todo{$k};
1371	push @EXTS, $v->{pkg};
1372	$progress = 1;
1373	}	1679	}
1374		1680
1375	skip:	1681	unless ($progress) {
1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1377	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1378	}	1691	}
1379	};	1692	};
1380	}	1693	}
1381		1694
1382	#############################################################################	1695	#############################################################################
1383		1696
1384	=back	1697	=back
1385		1698
1386	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1387		1700
1388	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1389		1702
1390	=cut	1703	=cut
1391		1704
1392	package cf::player;	1705	package cf::player;
1393		1706
…		…
1436		1749
1437	sub exists($) {	1750	sub exists($) {
1438	my ($login) = @_;	1751	my ($login) = @_;
1439		1752
1440	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1441	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1442	}	1755	}
1443		1756
1444	sub find($) {	1757	sub find($) {
1445	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1446	my $login = $_[0];	1759	my $login = $_[0];
…		…
1466	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1467	}	1780	}
1468	}	1781	}
1469	}	1782	}
1470		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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
1471	sub save($) {	1797	sub save($) {
1472	my ($pl) = @_;	1798	my ($pl) = @_;
1473		1799
1474	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1475		1801
…		…
1480		1806
1481	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1482	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1483		1809
1484	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];
1485		1814
1486	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1487	cf::cede_to_tick;	1816	cf::cede_to_tick;
1488	}	1817	}
1489		1818
…		…
1521	my ($pl) = @_;	1850	my ($pl) = @_;
1522		1851
1523	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1524		1853
1525	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1526	$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
1527		1856
1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1529	$pl->deactivate;	1858	$pl->deactivate;
		1859
1530	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;
1531	$pl->ob->check_score;
1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1533	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1534		1865
1535	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1536	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1537	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1591	\@logins	1922	\@logins
1592	}	1923	}
1593		1924
1594	=item $player->maps	1925	=item $player->maps
1595		1926
		1927	=item cf::player::maps $login
		1928
1596	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1597	player. May block.	1930	player. May block.
1598		1931
1599	=cut	1932	=cut
1600		1933
…		…
1617	}	1950	}
1618		1951
1619	\@paths	1952	\@paths
1620	}	1953	}
1621		1954
1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1623		1956
1624	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1625
1626	=cut
1627
1628	use re 'eval';
1629
1630	my $group;
1631	my $interior; $interior = qr{
1632	# match a pod interior sequence sans C<< >>
1633	(?:
1634	\ (.*?)\ (?{ $group = $^N })
1635	| < (??{$interior}) >
1636	)
1637	}x;
1638
1639	sub expand_cfpod {
1640	my ($self, $pod) = @_;
1641
1642	my $xml;
1643
1644	while () {
1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646	$group = $1;
1647
1648	$group =~ s/&/&amp;/g;
1649	$group =~ s/</&lt;/g;
1650
1651	$xml .= $group;
1652	} elsif ($pod =~ m%\G
1653	([BCGHITU])
1654	<
1655	(?:
1656	([^<>]*) (?{ $group = $^N })
1657	| < $interior >
1658	)
1659	>
1660	%gcsx
1661	) {
1662	my ($code, $data) = ($1, $group);
1663
1664	if ($code eq "B") {
1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666	} elsif ($code eq "I") {
1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668	} elsif ($code eq "U") {
1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670	} elsif ($code eq "C") {
1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672	} elsif ($code eq "T") {
1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674	} elsif ($code eq "G") {
1675	my ($male, $female) = split /\|/, $data;
1676	$data = $self->gender ? $female : $male;
1677	$xml .= expand_cfpod ($self, $data);
1678	} elsif ($code eq "H") {
1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681	"")
1682	[$self->{hintmode}];
1683	} else {
1684	$xml .= "error processing '$code($data)' directive";
1685	}
1686	} else {
1687	if ($pod =~ /\G(.+)/) {
1688	warn "parse error while expanding $pod (at $1)";
1689	}
1690	last;
1691	}
1692	}
1693
1694	for ($xml) {
1695	# create single paragraphs (very hackish)
1696	s/(?<=\S)\n(?=\w)/ /g;
1697
1698	# compress some whitespace
1699	s/\s+\n/\n/g; # ws line-ends
1700	s/\n\n+/\n/g; # double lines
1701	s/^\n+//; # beginning lines
1702	s/\n+$//; # ending lines
1703	}
1704
1705	$xml
1706	}
1707
1708	no re 'eval';
1709
1710	sub hintmode {
1711	$_[0]{hintmode} = $_[1] if @_ > 1;
1712	$_[0]{hintmode}
1713	}
1714
1715	=item $player->ext_reply ($msgid, @msg)
1716
1717	Sends an ext reply to the player.
1718
1719	=cut
1720
1721	sub ext_reply($$@) {
1722	my ($self, $id, @msg) = @_;
1723
1724	$self->ns->ext_reply ($id, @msg)
1725	}
1726		1958
1727	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1728		1960
1729	Sends an ext event to the client.	1961	Sends an ext event to the client.
1730		1962
…		…
1750		1982
1751	=cut	1983	=cut
1752		1984
1753	sub find_by_path($) {	1985	sub find_by_path($) {
1754	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1755		1989
1756	my ($match, $specificity);	1990	my ($match, $specificity);
1757		1991
1758	for my $region (list) {	1992	for my $region (list) {
1759	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1788	sub generate_random_map {	2022	sub generate_random_map {
1789	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1790		2024
1791	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
1792		2026
1793	# mit "rum" bekleckern, nicht
1794	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1798	$rmp->{exit_on_final_map},
1799	$rmp->{xsize}, $rmp->{ysize},
1800	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1801	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1802	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1803	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1804	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1805	(cf::region::find $rmp->{region}), $rmp->{custom}
1806	)
1807	}	2028	}
1808		2029
1809	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1810		2031
1811	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
…		…
1816		2037
1817	sub register {	2038	sub register {
1818	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1819	my $pkg = caller;	2040	my $pkg = caller;
1820		2041
1821	no strict;
1822	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1823		2043
1824	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1825	}	2045	}
1826		2046
1827	# also paths starting with '/'	2047	# also paths starting with '/'
1828	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1829		2049
1830	sub thawer_merge {	2050	sub thawer_merge {
1831	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1832		2052
1833	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1838	}	2058	}
1839		2059
1840	sub normalise {	2060	sub normalise {
1841	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1842		2062
1843	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1844		2064
1845	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1846		2066
1847	# map plan:	2067	# map plan:
1848	#	2068	#
…		…
1863	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1864	$path = "$base/$path";	2084	$path = "$base/$path";
1865	}	2085	}
1866		2086
1867	for ($path) {	2087	for ($path) {
1868	redo if s{//}{/};
1869	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1870	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1871	}	2090	}
1872		2091
1873	$path	2092	$path
…		…
1887	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1888	return $self;	2107	return $self;
1889	}	2108	}
1890	}	2109	}
1891		2110
1892	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1893	()	2112	()
1894	}	2113	}
1895		2114
		2115	# may re-bless or do other evil things
1896	sub init {	2116	sub init {
1897	my ($self) = @_;	2117	my ($self) = @_;
1898		2118
1899	$self	2119	$self
1900	}	2120	}
…		…
1931		2151
1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1934	}	2154	}
1935		2155
1936	# and all this just because we cannot iterate over
1937	# all maps in C++...
1938	sub change_all_map_light {
1939	my ($change) = @_;
1940
1941	$_->change_map_light ($change)
1942	for grep $_->outdoor, values %cf::MAP;
1943	}
1944
1945	sub decay_objects {	2156	sub decay_objects {
1946	my ($self) = @_;	2157	my ($self) = @_;
1947		2158
1948	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1949		2160
…		…
1974	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1975		2186
1976	1	2187	1
1977	}	2188	}
1978		2189
		2190	# used to laod the header of an original map
1979	sub load_header_orig {	2191	sub load_header_orig {
1980	my ($self) = @_;	2192	my ($self) = @_;
1981		2193
1982	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1983	}	2195	}
1984		2196
		2197	# used to laod the header of an instantiated map
1985	sub load_header_temp {	2198	sub load_header_temp {
1986	my ($self) = @_;	2199	my ($self) = @_;
1987		2200
1988	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1989	}	2202	}
1990		2203
		2204	# called after loading the header from an instantiated map
1991	sub prepare_temp {	2205	sub prepare_temp {
1992	my ($self) = @_;	2206	my ($self) = @_;
1993		2207
1994	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1995	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1996	# safety	2210	# safety
1997	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1998	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1999	}	2213	}
2000		2214
		2215	# called after loading the header from an original map
2001	sub prepare_orig {	2216	sub prepare_orig {
2002	my ($self) = @_;	2217	my ($self) = @_;
2003		2218
2004	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
2005	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2029		2244
2030	sub find;	2245	sub find;
2031	sub find {	2246	sub find {
2032	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
2033		2248
		2249	cf::cede_to_tick;
		2250
2034	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
2035		2252
2036	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2037	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
2038		2255
2039	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2041	my $guard2 = cf::lock_acquire "map_find:$path";
2042
2043	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
2044	or return;	2258	or return;
2045		2259
2046	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
2047		2261
…		…
2059		2273
2060	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
2061	}	2275	}
2062	}	2276	}
2063		2277
2064	sub pre_load { }	2278	sub pre_load { }
2065	sub post_load { }	2279	#sub post_load { } # XS
2066		2280
2067	sub load {	2281	sub load {
2068	my ($self) = @_;	2282	my ($self) = @_;
2069		2283
2070	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2073		2287
2074	{	2288	{
2075	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
2076		2290
2077	return unless $self->valid;	2291	return unless $self->valid;
2078	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
2079
2080	$self->in_memory (cf::MAP_LOADING);
2081		2293
2082	$self->alloc;	2294	$self->alloc;
2083		2295
2084	$self->pre_load;	2296	$self->pre_load;
2085	cf::cede_to_tick;	2297	cf::cede_to_tick;
2086		2298
		2299	if (exists $self->{load_path}) {
2087	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2088	$f->skip_block;	2301	$f->skip_block;
2089	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2090	or return;	2303	or return;
2091		2304
2092	$self->post_load_original	2305	$self->post_load_original
2093	if delete $self->{load_original};	2306	if delete $self->{load_original};
2094		2307
2095	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2096	utf8::encode $uniq;	2309	utf8::encode $uniq;
2097	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2098	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2099	$self->clear_unique_items;	2312	$self->clear_unique_items;
2100	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2101	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2102	}	2316	}
2103	}	2317	}
2104	}
2105		2318
2106	$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);
2107		2326
2108	cf::cede_to_tick;	2327	cf::cede_to_tick;
2109	# now do the right thing for maps	2328	# now do the right thing for maps
2110	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2111	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2115	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2116	$self->decay_objects;	2335	$self->decay_objects;
2117	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2118	$self->update_buttons;	2337	$self->update_buttons;
2119	cf::cede_to_tick;	2338	cf::cede_to_tick;
2120	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2121	cf::cede_to_tick;
2122	$self->activate;
2123	}	2340	}
2124		2341
2125	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2126	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2127
2128	$self->in_memory (cf::MAP_ACTIVE);
2129	}	2344	}
2130		2345
2131	$self->post_load;	2346	$self->post_load;
2132	}
2133		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2134	sub customise_for {	2354	sub customise_for {
2135	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2136		2356
2137	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2138	if $self->per_player;	2358	if $self->per_player;
…		…
2141	# if $self->per_party;	2361	# if $self->per_party;
2142		2362
2143	$self	2363	$self
2144	}	2364	}
2145		2365
2146	# find and load all maps in the 3x3 area around a map
2147	sub load_neighbours {
2148	my ($map) = @_;
2149
2150	my @neigh; # diagonal neighbours
2151
2152	for (0 .. 3) {
2153	my $neigh = $map->tile_path ($_)
2154	or next;
2155	$neigh = find $neigh, $map
2156	or next;
2157	$neigh->load;
2158
2159	push @neigh,
2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2162	}
2163
2164	for (grep defined $_->[0], @neigh) {
2165	my ($path, $origin) = @$_;
2166	my $neigh = find $path, $origin
2167	or next;
2168	$neigh->load;
2169	}
2170	}
2171
2172	sub find_sync {	2366	sub find_sync {
2173	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2174		2368
2175	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, $origin
2176	}	2374	}
2177		2375
2178	sub do_load_sync {	2376	sub do_load_sync {
2179	my ($map) = @_;	2377	my ($map) = @_;
2180		2378
		2379	# it's a bug to call this from the main context
2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2182	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2183		2382
2184	cf::sync_job { $map->load };	2383	$map->load;
2185	}	2384	}
2186		2385
2187	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2188	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2189		2388
2190	sub find_async {	2389	sub find_async {
2191	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2192		2391
2193	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2194		2393
2195	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2197	}	2396	}
2198		2397
2199	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2200		2399
2201	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2202	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2203		2402
2204	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2205	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2206	if (my $map = find $k) {	2405	if (my $map = find $k) {
2207	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2208	}	2407	}
2209		2408
2210	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2211	}	2410	}
2212	}	2411	}
…		…
2215	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2216		2415
2217	()	2416	()
2218	}	2417	}
2219		2418
		2419	# common code, used by both ->save and ->swapout
2220	sub save {	2420	sub _save {
2221	my ($self) = @_;	2421	my ($self) = @_;
2222
2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
2224		2422
2225	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2226		2424
2227	return unless $self->dirty;	2425	return unless $self->dirty;
2228		2426
…		…
2248	} else {	2446	} else {
2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2250	}	2448	}
2251	}	2449	}
2252		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2253	sub swap_out {	2459	sub swap_out {
2254	my ($self) = @_;	2460	my ($self) = @_;
2255		2461
2256	# save first because save cedes
2257	$self->save;
2258
2259	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2260		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2261	return if $self->players;	2466	return if $self->players;
2262	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
2263	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2264		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
2265	$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};
2266		2518
2267	$self->deactivate;	2519	$self->deactivate;
2268	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2269	$self->clear;	2521	$self->clear;
2270	}
2271
2272	sub reset_at {
2273	my ($self) = @_;
2274
2275	# TODO: safety, remove and allow resettable per-player maps
2276	return 1e99 if $self->{deny_reset};
2277
2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2280
2281	$time + $to
2282	}
2283
2284	sub should_reset {
2285	my ($self) = @_;
2286
2287	$self->reset_at <= $cf::RUNTIME
2288	}
2289
2290	sub reset {
2291	my ($self) = @_;
2292
2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
2294
2295	return if $self->players;
2296
2297	warn "resetting map ", $self->path;
2298
2299	$self->in_memory (cf::MAP_SWAPPED);
2300
2301	# need to save uniques path
2302	unless ($self->{deny_save}) {
2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
2304
2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2306	if $uniq;
2307	}
2308
2309	delete $cf::MAP{$self->path};
2310
2311	$self->deactivate;
2312	$_->clear_links_to ($self) for values %cf::MAP;
2313	$self->clear;
2314		2522
2315	$self->unlink_save;	2523	$self->unlink_save;
2316	$self->destroy;	2524	$self->destroy;
2317	}	2525	}
2318		2526
…		…
2326		2534
2327	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2328		2536
2329	$self->unlink_save;	2537	$self->unlink_save;
2330		2538
2331	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2332	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2333	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2334	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2336		2544
…		…
2393	: normalise $_	2601	: normalise $_
2394	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2395	]	2603	]
2396	}	2604	}
2397		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
2398	=back	2638	=back
2399		2639
2400	=head3 cf::object	2640	=head3 cf::object
2401		2641
2402	=cut	2642	=cut
…		…
2425		2665
2426	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.
2427		2667
2428	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2429		2669
2430	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,
2431	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2432		2672
2433	=cut	2673	=cut
2434		2674
2435	sub deref {	2675	sub deref {
…		…
2467		2707
2468	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2469	id => "say",	2709	id => "say",
2470	title => "Map",	2710	title => "Map",
2471	reply => "say ",	2711	reply => "say ",
2472	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.",
2473	};	2713	};
2474		2714
2475	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2476	id => "chat",	2716	id => "chat",
2477	title => "Chat",	2717	title => "Chat",
…		…
2517	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2518		2758
2519	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2520	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2521		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2522	=cut	2787	=cut
2523		2788
2524	sub cf::object::player::may {	2789	sub cf::object::player::may {
2525	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2526		2791
2527	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2528	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2529	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2530	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2531	}	2796	}
2532		2797
2533	=item $player_object->enter_link	2798	=item $player_object->enter_link
2534		2799
2535	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}>).
2536		2801
2537	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.
2538	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.
2539		2806
2540	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.
2541		2814
2542	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2543		2816
2544	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2545	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2563	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2564	my ($self) = @_;	2837	my ($self) = @_;
2565		2838
2566	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2567		2840
		2841	++$self->{_link_recursion};
		2842
2568	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2569		2844
2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2571	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2572		2847
2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2574	}	2849	}
2575		2850
2576	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2577	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2578		2853
…		…
2595	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2596	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2597		2872
2598	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2599	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2600	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2601		2876
2602	$map->load;	2877	$map->load;
2603	$map->load_neighbours;
2604		2878
2605	return unless $self->contr->active;	2879	return unless $self->contr->active;
2606	$self->activate_recursive;
2607		2880
2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2609	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2610	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2611		2888
		2889	}
		2890
2612	=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)]])
2613		2892
2614	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
2615	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2616	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
2617	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
…		…
2624		2903
2625	our $GOTOGEN;	2904	our $GOTOGEN;
2626		2905
2627	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2628	my ($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	}
2629		2914
2630	# 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
2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2632		2917
2633	$self->enter_link;	2918	$self->enter_link;
…		…
2653	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2654	}	2939	}
2655	}	2940	}
2656		2941
2657	my $map = eval {	2942	my $map = eval {
2658	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2659		2944
2660	if ($map) {	2945	if ($map) {
2661	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2662	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2663	} else {	2948	} else {
2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2665	}	2950	}
2666		2951
2667	$map	2952	$map
…		…
2675	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2676	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2677	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2678	}	2963	}
2679		2964
2680	$done->() if $done;	2965	$done->($self) if $done;
2681	})->prio (1);	2966	})->prio (1);
2682	}	2967	}
2683		2968
2684	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2685		2970
…		…
2753	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2754		3039
2755	unless (eval {	3040	unless (eval {
2756	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2757		3042
2758	# random map handling
2759	{
2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762	prepare_random_map $exit
2763	if $exit->slaying eq "/!";
2764	}
2765
2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2767	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2768	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	}
2769		3069
2770	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2771		3071
2772	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2773	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
2774	if $exit->flag (cf::FLAG_DAMNED);	3074	if $exit->flag (cf::FLAG_DAMNED);
2775		3075
2776	1	3076	1
2777	}) {	3077	}) {
2778	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2779	. "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. "
2780	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2781	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2782		3082
2783	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2784	$self->leave_link;	3084	$self->leave_link;
2785	}	3085	}
2786	})->prio (1);	3086	})->prio (1);
2787	}	3087	}
2788		3088
2789	=head3 cf::client	3089	=head3 cf::client
2790		3090
2791	=over 4	3091	=over 4
2792		3092
2793	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2794		3094
2795	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2796	should not be used under normal circumstances.	3096	them as required.
2797		3097
2798	=cut	3098	=cut
2799		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2800	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2801	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2802		3104
2803	utf8::encode $text;	3105	# try lzf for large packets
2804	$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);
2805	}	3116	}
2806		3117
2807	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2808		3119
2809	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2810	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2811	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2812	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2813		3124
2814	=cut	3125	=cut
2815		3126
2816	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2817	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	},
2818	"c/identify" => {	3135	"c/identify" => {
2819	id => "infobox",	3136	id => "infobox",
2820	title => "Identify",	3137	title => "Identify",
2821	reply => undef,	3138	reply => undef,
2822	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2824	"c/examine" => {	3141	"c/examine" => {
2825	id => "infobox",	3142	id => "infobox",
2826	title => "Examine",	3143	title => "Examine",
2827	reply => undef,	3144	reply => undef,
2828	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",
2829	},	3152	},
2830	"c/book" => {	3153	"c/book" => {
2831	id => "infobox",	3154	id => "infobox",
2832	title => "Book",	3155	title => "Book",
2833	reply => undef,	3156	reply => undef,
…		…
2849	id => "infobox",	3172	id => "infobox",
2850	title => "Body Parts",	3173	title => "Body Parts",
2851	reply => undef,	3174	reply => undef,
2852	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you posess and are available",
2853	},	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",
		3212	},
2854	"c/uptime" => {	3213	"c/uptime" => {
2855	id => "infobox",	3214	id => "infobox",
2856	title => "Uptime",	3215	title => "Uptime",
2857	reply => undef,	3216	reply => undef,
2858	tooltip => "How long the server has been running since last restart",	3217	tooltip => "How long the server has been running since last restart",
…		…
2867	id => "party",	3226	id => "party",
2868	title => "Party",	3227	title => "Party",
2869	reply => "gsay ",	3228	reply => "gsay ",
2870	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2871	},	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" => $CHAT_CHANNEL,
2872	);	3245	);
2873		3246
2874	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2875	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2876		3249
2877	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2878		3252
2879	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2880		3254
2881	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2882	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2883	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2884		3258
2885	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2886	if $self->can_msg;
2887
2888	$channel = $channel->{id};	3260	$channel = $channel->{id};
2889		3261
2890	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2891	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2892	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2893	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2894	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2895	if $self->can_msg;
2896	}	3267	}
2897		3268
2898	$channel = $channel->{id};	3269	$channel = $channel->{id};
2899	}	3270	}
2900		3271
2901	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2902		3273
2903	if ($self->can_msg) {
2904	# default colour, mask it out	3274	# default colour, mask it out
2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2907		3277
2908	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2910	} else {	3281	);
2911	if ($color >= 0) {
2912	# replace some tags by gcfclient-compatible ones
2913	for ($msg) {
2914	1 while
2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920	}
2921		3282
2922	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2923
2924	utf8::encode $msg;
2925
2926	if (0 && $msg =~ /\[/) {
2927	# COMMAND/INFO
2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
2929	} else {
2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931	$self->send_packet ("drawinfo $color $msg")
2932	}
2933	}
2934	}
2935	}	3284	}
2936		3285
2937	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2938		3287
2939	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2941	=cut	3290	=cut
2942		3291
2943	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2944	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2945		3294
2946	if ($self->extcmd == 2) {
2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948	} elsif ($self->extcmd == 1) { # TODO: remove
2949	push @msg, msgtype => "event_$type";
2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951	}
2952	}
2953
2954	=item $client->ext_reply ($msgid, @msg)
2955
2956	Sends an ext reply to the client.
2957
2958	=cut
2959
2960	sub cf::client::ext_reply($$@) {
2961	my ($self, $id, @msg) = @_;
2962
2963	if ($self->extcmd == 2) {
2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965	} elsif ($self->extcmd == 1) {
2966	#TODO: version 1, remove
2967	unshift @msg, msgtype => "reply", msgid => $id;
2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969	}
2970	}	3296	}
2971		3297
2972	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2973		3299
2974	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2994		3320
2995	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2996	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2997		3323
2998	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;
2999	}	3364	}
3000		3365
3001	cf::client->attach (	3366	cf::client->attach (
3002	on_connect => sub {	3367	on_connect => sub {
3003	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
3029	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
3030		3395
3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3032		3397
3033	if (ref $msg) {	3398	if (ref $msg) {
3034	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3035	"ARRAY" eq ref $msg
3036	? @$msg
3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3038		3400
3039	my @reply;
3040
3041	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}) {
3042	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
3043	}	3419	}
3044
3045	$ns->ext_reply ($reply, @reply)
3046	if $reply;
3047
3048	} else {	3420	} else {
3049	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";
3050	}	3422	}
3051		3423
3052	cf::override;	3424	cf::override;
3053	},	3425	},
3054	);	3426	);
…		…
3074		3446
3075	$coro	3447	$coro
3076	}	3448	}
3077		3449
3078	cf::client->attach (	3450	cf::client->attach (
3079	on_destroy => sub {	3451	on_client_destroy => sub {
3080	my ($ns) = @_;	3452	my ($ns) = @_;
3081		3453
3082	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3083	},	3455	},
3084	);	3456	);
…		…
3100	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3101		3473
3102	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3103		3475
3104	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3105	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3106	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3107	sort time	3479	sort time
3108	));	3480	));
3109		3481
3110	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3114	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3115		3487
3116	cf::object	3488	cf::object
3117	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
3118	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3119		3492
3120	cf::object::player	3493	cf::object::player
3121	player	3494	player
3122		3495
3123	cf::player	3496	cf::player
…		…
3129	=cut	3502	=cut
3130		3503
3131	for (	3504	for (
3132	["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
3133	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3134	decrease split destroy change_exp)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3135	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3136	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3137	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3138	) {	3511	) {
3139	no strict 'refs';
3140	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3141	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3142	for @funs;	3514	for @funs;
3143	}	3515	}
3144		3516
…		…
3159		3531
3160	my $qcode = $code;	3532	my $qcode = $code;
3161	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3162	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3163		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3164	local $_;	3539	local $_;
3165	local @safe::cf::_safe_eval_args = values %vars;
3166		3540
3167	my $eval =	3541	my $eval =
3168	"do {\n"	3542	"do {\n"
3169	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3170	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3171	. $code	3545	. $code
3172	. "\n}"	3546	. "\n}"
3173	;	3547	;
3174		3548
		3549	if ($CFG{safe_eval}) {
3175	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3176	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3177	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	}
3178		3558
3179	if ($@) {	3559	if ($@) {
3180	warn "$@";	3560	warn "$@",
3181	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3182	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3183	}	3563	}
3184		3564
3185	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3186	}	3566	}
3187		3567
…		…
3201	=cut	3581	=cut
3202		3582
3203	sub register_script_function {	3583	sub register_script_function {
3204	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3205		3585
3206	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3207	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3208	}	3588	}
3209		3589
3210	=back	3590	=back
3211		3591
3212	=cut	3592	=cut
3213		3593
3214	#############################################################################	3594	#############################################################################
3215	# the server's init and main functions	3595	# the server's init and main functions
3216		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3217	sub load_facedata($) {	3674	sub load_facedata($) {
3218	my ($path) = @_;	3675	my ($path) = @_;
3219		3676
3220	# HACK to clear player env face cache, we need some signal framework
3221	# for this (global event?)
3222	%ext::player_env::MUSIC_FACE_CACHE = ();
3223
3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3225		3678
3226	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3227		3680
3228	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3229	0 < aio_load $path, $facedata
3230	or die "$path: $!";
3231
3232	$facedata = Coro::Storable::thaw $facedata;
3233		3682
3234	$facedata->{version} == 2	3683	$facedata->{version} == 2
3235	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3236		3685
3237	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3238	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3239	type => FT_RSRC,	3688
3240	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
3241	};	3690
3242	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3243		3694
3244	{	3695	{
3245	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3246		3697
3247	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249		3701
3250	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3251	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3252	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};
3253	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};
3254		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3255	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3256	}	3709	}
3257		3710
3258	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3259	next unless $info->{smooth};	3712	next unless $info->{smooth};
3260		3713
…		…
3263		3716
3264	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3265	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3267	} else {	3720	} else {
3268	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3269	}	3722	}
3270
3271	cf::cede_to_tick;
3272	}	3723	}
3273	}	3724	}
3274		3725
3275	{	3726	{
3276	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3277		3728
3278	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3279	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3280	cf::cede_to_tick;
3281	}	3731	}
3282		3732
3283	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3284	}	3734	}
3285		3735
3286	{	3736	{
3287	# TODO: for gcfclient pleasure, we should give resources
3288	# that gcfclient doesn't grok a >10000 face index.
3289	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3290		3738
3291	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3292	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
3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294	my $data;
3295		3743
3296	if ($info->{type} & 1) {
3297	# prepend meta info
3298
3299	my $meta = $enc->encode ({
3300	name => $name,
3301	%{ $info->{meta} || {} },
3302	});
3303
3304	$data = pack "(w/a*)*", $meta, $info->{data};
3305	} else {
3306	$data = $info->{data};
3307	}
3308
3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310	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;
3311	} else {	3750	} else {
3312	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3313	}	3752	}
3314
3315	cf::cede_to_tick;
3316	}	3753	}
3317	}	3754	}
		3755
		3756	($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;
3318		3765
3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3320		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3321	1	3770	1
3322	}	3771	}
3323
3324	cf::global->attach (on_resource_update => sub {
3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3327
3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3329	my $sound = $soundconf->{compat}[$_]
3330	or next;
3331
3332	my $face = cf::face::find "sound/$sound->[1]";
3333	cf::sound::set $sound->[0] => $face;
3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3335	}
3336
3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
3338	my $face = cf::face::find "sound/$v";
3339	cf::sound::set $k => $face;
3340	}
3341	}
3342	});
3343		3772
3344	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3345	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3346		3775
3347	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3355	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3356	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3357	cf::arch::commit_load;	3786	cf::arch::commit_load;
3358		3787
3359	$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;
3360	}	3803	}
3361		3804
3362	sub reload_regions {	3805	sub reload_regions {
3363	# 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
3364	# for this (global event?)	3807	# for this (global event?)
…		…
3372	if exists $_->{match};	3815	if exists $_->{match};
3373	}	3816	}
3374	}	3817	}
3375		3818
3376	sub reload_facedata {	3819	sub reload_facedata {
3377	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3378	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3379	}	3822	}
3380		3823
3381	sub reload_archetypes {	3824	sub reload_archetypes {
3382	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3383	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3384	}	3853	}
3385		3854
3386	sub reload_treasures {	3855	sub reload_treasures {
3387	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3388	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3389	}	3858	}
3390		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
3391	sub reload_resources {	3880	sub reload_resources {
3392	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3393		3882
		3883	reload_materials;
3394	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3395	reload_archetypes;	3887	reload_archetypes;
3396	reload_regions;	3888	reload_regions;
3397	reload_treasures;	3889	reload_treasures;
3398		3890
3399	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3400	}
3401
3402	sub init {
3403	my $guard = freeze_mainloop;
3404
3405	evthread_start IO::AIO::poll_fileno;
3406
3407	reload_resources;
3408	}	3892	}
3409		3893
3410	sub reload_config {	3894	sub reload_config {
3411	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3412	or return;
3413		3896
3414	local $/;	3897	my $config = load_file "$CONFDIR/config";
3415	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3416		3900
3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3418		3902
3419	$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};
3420	$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};
3421		3905
3422	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3426	};	3910	};
3427	warn $@ if $@;	3911	warn $@ if $@;
3428	}	3912	}
3429	}	3913	}
3430		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
3431	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
3432	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3433	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3434	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#
3435	(async {	3956	(async {
3436	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3437	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3438	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3439	};	3960	};
3440		3961
3441	{	3962	evthread_start IO::AIO::poll_fileno;
3442	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;
3443	reload_config;	3976	reload_config;
3444	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3445	load_extensions;	3986	load_extensions;
3446		3987
3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3988	utime time, time, $RUNTIMEFILE;
		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;
3448	}	3995	};
3449		3996
3450	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;
3451	}	4005	}
3452		4006
3453	#############################################################################	4007	#############################################################################
3454	# initialisation and cleanup	4008	# initialisation and cleanup
3455		4009
3456	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3457	BEGIN {	4011	BEGIN {
3458	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3459	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3461	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3462	};	4016	};
3463	}	4017	}
3464	}	4018	}
3465		4019
3466	sub write_runtime_sync {	4020	sub write_runtime_sync {
3467	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3468		4022
3469	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3470	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3471		4025
3472	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3473		4027
3474	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3475		4029
3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3477	or return;	4031	or return;
3478		4032
3479	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3480	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3481	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3491	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3492		4046
3493	close $fh	4047	close $fh
3494	or return;	4048	or return;
3495		4049
3496	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3497	and return;	4051	and return;
3498		4052
3499	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3500		4054
3501	1	4055	1
3502	}	4056	}
3503		4057
3504	our $uuid_lock;	4058	our $uuid_lock;
…		…
3513	my $uuid = "$LOCALDIR/uuid";	4067	my $uuid = "$LOCALDIR/uuid";
3514		4068
3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516	or return;	4070	or return;
3517		4071
3518	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;
3519	$uuid_skip = 0;	4080	$uuid_skip = 0;
3520		4081
3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3522	and return;	4083	and return;
3523		4084
…		…
3529	or return;	4090	or return;
3530		4091
3531	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3532	and return;	4093	and return;
3533		4094
3534	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3535		4096
3536	1	4097	1
3537		4098
3538	}	4099	}
3539		4100
…		…
3545	}	4106	}
3546		4107
3547	sub emergency_save() {	4108	sub emergency_save() {
3548	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3549		4110
3550	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;
3551		4117
3552	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3553	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3554	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3555	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3556	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3557	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3558	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3559	$pl->valid or next;	4127	$pl->valid or next;
3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3561	$pl->save;	4129	$pl->save;
3562	}	4130	}
3563	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3564		4132
3565	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";
3566	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3567	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3568	$map->valid or next;	4138	$map->valid or next;
3569	$map->save;	4139	$map->save;
3570	}	4140	}
3571	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3572		4142
3573	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";
3574	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3575	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3576		4148
3577	warn "begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3578	write_uuid_sync 1;	4150	write_uuid_sync 1;
3579	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
3580	};	4171	};
3581		4172
3582	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3583	}	4174	}
3584		4175
3585	sub post_cleanup {	4176	sub post_cleanup {
3586	my ($make_core) = @_;	4177	my ($make_core) = @_;
3587		4178
		4179	IO::AIO::flush;
		4180
3588	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3589	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	}
3590	}	4211	}
3591		4212
3592	sub do_reload_perl() {	4213	sub do_reload_perl() {
3593	# can/must only be called in main	4214	# can/must only be called in main
3594	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3595	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3596	return;	4217	return;
3597	}	4218	}
3598		4219
3599	warn "reloading...";	4220	return if $RELOAD++;
3600		4221
3601	warn "entering sync_job";	4222	my $t1 = AE::time;
3602		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
3603	cf::sync_job {	4230	cf::sync_job {
3604	cf::write_runtime_sync; # external watchdog should not bark
3605	cf::emergency_save;	4231	#cf::emergency_save;
3606	cf::write_runtime_sync; # external watchdog should not bark
3607		4232
3608	warn "syncing database to disk";
3609	BDB::db_env_txn_checkpoint $DB_ENV;
3610
3611	# if anything goes wrong in here, we should simply crash as we already saved
3612
3613	warn "flushing outstanding aio requests";
3614	for (;;) {
3615	BDB::flush;
3616	IO::AIO::flush;
3617	Coro::cede_notself;
3618	last unless IO::AIO::nreqs || BDB::nreqs;
3619	warn "iterate...";
3620	}
3621
3622	++$RELOAD;
3623
3624	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3625	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3626	%EXT_CORO = ();	4235	%EXT_CORO = ();
3627		4236
3628	warn "removing commands";	4237	trace "perl_reload: removing commands";
3629	%COMMAND = ();	4238	%COMMAND = ();
3630		4239
3631	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3632	%EXTCMD = ();	4241	%EXTCMD = ();
3633	%EXTICMD = ();	4242	%EXTICMD = ();
3634		4243
3635	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3636	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3637	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3638		4247
3639	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3640	eval {	4249	eval {
3641	$cb->($pkg);	4250	$cb->($pkg);
3642	1	4251	1
3643	} 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;
3644	}	4257	}
3645		4258
3646	warn "... nuking $pkg";
3647	Symbol::delete_package $pkg;
3648	}
3649
3650	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3651	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3653		4262
3654	warn "... unloading $k";	4263	trace "... unloading $k";
3655	delete $INC{$k};	4264	delete $INC{$k};
3656		4265
3657	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3658	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3659		4268
3660	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3661	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3662	}	4274	}
3663		4275
3664	Symbol::delete_package $k;
3665	}
3666
3667	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3668	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3669	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);
3670		4279
3671	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3672	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3673	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3674		4283
3675	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3676	# and global variables created in xs	4285	# and global variables created in xs
3677	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3678		4287
3679	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3680		4289
3681	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3682	require cf;	4291	require cf;
3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3684		4293
3685	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3686	cf::reload_config;	4295	cf::reload_config;
3687		4296
3688	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3689	cf::load_extensions;	4298	cf::load_extensions;
3690		4299
		4300	if ($REATTACH_ON_RELOAD) {
3691	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3692	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3693	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3694	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3695	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3696	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3697		4308
3698	warn "leaving sync_job";	4309	cf::_post_init 1;
3699		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3700	1	4313	1
3701	} or do {	4314	} or do {
3702	warn $@;	4315	error $@;
3703	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
		4317	};
		4318
		4319	--$RELOAD;
3704	};	4320	}
3705		4321
3706	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3707	};	4324	};
3708		4325
3709	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3710		4327
3711	sub reload_perl() {	4328	sub reload_perl() {
3712	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3713	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3714		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3716	do_reload_perl;	4336	do_reload_perl;
3717	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
		4338	};
3718	};	4339	};
3719	}	4340	}
3720		4341
3721	register_command "reload" => sub {	4342	register_command "reload" => sub {
3722	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
…		…
3728	reload_perl;	4349	reload_perl;
3729	};	4350	};
3730	}	4351	}
3731	};	4352	};
3732		4353
3733	unshift @INC, $LIBDIR;	4354	#############################################################################
3734		4355
3735	my $bug_warning = 0;	4356	my $bug_warning = 0;
3736		4357
3737	our @WAIT_FOR_TICK;
3738	our @WAIT_FOR_TICK_BEGIN;
3739
3740	sub wait_for_tick {	4358	sub wait_for_tick() {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3742		4360
3743	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3744	push @WAIT_FOR_TICK, $signal;
3745	$signal->wait;
3746	}	4362	}
3747		4363
3748	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3749	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3750		4366
3751	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3752	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3753	$signal->wait;	4369	$signal->wait;
3754	}	4370	}
…		…
3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3759	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3760	return;	4376	return;
3761	}	4377	}
3762		4378
3763	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3764		4382
3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3766	$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.;
3767	Coro::async_pool {	4385	Coro::async_pool {
3768	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3769	write_runtime_sync	4387	write_runtime_sync
3770	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3771	};	4389	};
3772	}	4390	}
3773		4391
3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3775	$sig->send;	4393	$sig->send;
3776	}	4394	}
3777	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3778	$sig->send;
3779	}
3780		4396
3781	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3783		4399
3784	if (0) {	4400	if (0) {
3785	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3786	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3788	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3789	}	4405	}
3790	}	4406	}
3791	}	4407	}
3792		4408
3793	{	4409	{
3794	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3795		4412
3796	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3797	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3798	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3799		4416
3800	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3801	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3829	};	4446	};
3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3832	};	4449	};
		4450
		4451	info "database initialised";
3833	}	4452	}
3834		4453
3835	{	4454	{
3836	# configure IO::AIO	4455	# configure IO::AIO
3837		4456
		4457	info "initialising aio";
3838	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3839	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3840	undef $AnyEvent::AIO::WATCHER;	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3841	}	4462	}
3842		4463
3843	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3844		4466
3845	sub _log_backtrace {	4467	sub _log_backtrace {
3846	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3847		4469
3848	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3849		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3850	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3851	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3852	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3853	async {	4480	async {
3854	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3855		4482
3856	my @bt = fork_call {	4483	my @bt = fork_call {
3857	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
…		…
3868	}	4495	}
3869		4496
3870	@funcs	4497	@funcs
3871	};	4498	};
3872		4499
3873	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3874	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3875	--$_log_backtrace;	4503	--$_log_backtrace;
3876	};	4504	};
3877	} else {	4505	} else {
3878	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3879	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3880	}	4508	}
3881	}	4509	}
3882		4510
3883	# load additional modules	4511	# load additional modules
3884	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3885		4514
3886	END { cf::emergency_save }	4515	END { cf::emergency_save }
3887		4516
3888	1	4517	1
3889		4518

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