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Revision 1.448 by root, Fri Sep 19 05:30:23 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 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
		62	use CBOR::XS ();
57	use IO::AIO ();	63	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	64	use Compress::LZF;
60	use Digest::MD5 ();	65	use Digest::MD5 ();
61		66
62	AnyEvent::detect;	67	AnyEvent::detect;
63		68
…		…
66	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
67	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
68		73
69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70		75
71	{	76	# make sure c-lzf reinitialises itself
72	# very ugly, but ensure we acquire the storable lock
73
74	sub net_mstore {
75	my $guard = Coro::Storable::guard;
76	&Storable::net_mstore
77	}
78
79	sub mretrieve {
80	my $guard = Coro::Storable::guard;
81	&Storable::mretrieve
82	}
83
84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";	77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
85	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
86	}	79
		80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
87		82
88	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;
89		86
90	our %COMMAND = ();	87	our %COMMAND = ();
91	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
92		89
93	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
94	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
95	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
96	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
97	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
98		97
99	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
100	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
101		102
102	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
103	our $DATADIR = datadir;	105	our $DATADIR = datadir;
104	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
105	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
106	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
107	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
108	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
111	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
112	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
113	our $PIDFILE = "$LOCALDIR/pid";	116	our $PIDFILE = "$LOCALDIR/pid";
114	our $RUNTIMEFILE = "$LOCALDIR/runtime";	117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
115		118
116	our %RESOURCE;	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;
117		126
118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
120	our $NEXT_TICK;	129	our $NEXT_TICK;
121	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
122		131
123	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
124	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
125	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
126	our $DB_ENV;	135	our $DB_ENV;
127		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
128	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
129		141
130	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
131	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
132	our $NOW;	145	our $NOW;
133		146
134	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
135	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
136	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
140		153
141	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)
142	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
143	our $JITTER; # average jitter	156	our $JITTER; # average jitter
144	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		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;
145		166
146	binmode STDOUT;	167	binmode STDOUT;
147	binmode STDERR;	168	binmode STDERR;
148		169
149	# read virtual server time, if available	170	# read virtual server time, if available
…		…
151	open my $fh, "<", $RUNTIMEFILE	172	open my $fh, "<", $RUNTIMEFILE
152	or die "unable to read $RUNTIMEFILE file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
153	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
154	}	175	}
155		176
		177	eval "sub TICK() { $TICK } 1" or die;
		178
156	mkdir $_	179	mkdir $_
157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
158		181
159	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
160		183
161	sub cf::map::normalise;	184	sub cf::map::normalise;
162		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
163	#############################################################################	190	#############################################################################
164		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
165	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
166		204
167	=over 4	205	=over 4
168		206
169	=item $cf::UPTIME	207	=item $cf::UPTIME
170		208
171	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.
172		225
173	=item $cf::RUNTIME	226	=item $cf::RUNTIME
174		227
175	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
176	every server tick.	229	every server tick.
177		230
178	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
179	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
180	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
181		234
182	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
184	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
185	database environment.	238	database environment.
186		239
187	=item $cf::NOW
188
189	The time of the last (current) server tick.
190
191	=item $cf::TICK
192
193	The interval between server ticks, in seconds.
194
195	=item $cf::LOADAVG	240	=item $cf::LOADAVG
196		241
197	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
198	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
199	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
208	from wherever your confdir points to.	253	from wherever your confdir points to.
209		254
210	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
211		256
212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
213	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
215		278
216	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
217		280
218	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
219	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
220	that call.	283	that call.
221		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
222	=back	291	=back
223		292
224	=cut	293	=cut
225		294
226	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
227	*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 {
228	my $msg = join "", @_;	302	my $msg = join "", @_;
229		303
230	$msg .= "\n"	304	$msg .= "\n"
231	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
232		306
233	$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;
234		308
235	LOG llevError, $msg;	309	LOG llevWarn, $msg;
236	};	310	};
237	}
238		311
239	$Coro::State::DIEHOOK = sub {	312	$Coro::State::DIEHOOK = sub {
240	return unless $^S eq 0; # "eq", not "=="	313	return unless $^S eq 0; # "eq", not "=="
241		314
242	if ($Coro::current == $Coro::main) {#d#	315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
243	warn "DIEHOOK called in main context, Coro bug?\n";#d#	318	error "DIEHOOK called in main context, Coro bug?\n";#d#
244	return;#d#	319	return;#d#
245	}#d#	320	}#d#
246		321
247	# kill coroutine otherwise	322	# kill coroutine otherwise
248	warn Carp::longmess $_[0];
249	Coro::terminate	323	Coro::terminate
250	};	324	};
251
252	$SIG{__DIE__} = sub { }; #d#?
253		325
254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
271	)) {	343	)) {
272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
273	}	345	}
274		346
275	$EV::DIED = sub {	347	$EV::DIED = sub {
276	warn "error in event callback: @_";	348	warn "error in event callback: $@";
277	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
278		355
279	#############################################################################	356	#############################################################################
280		357
281	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
282		359
…		…
303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
304	$d	381	$d
305	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
306	}	383	}
307		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
308	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
309		438
310	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
311		440
312	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
319		448
320	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
321	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
322		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
323	=item cf::lock_wait $string	528	=item cf::lock_wait $string
324		529
325	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
326		531
327	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
328		533
329	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
330	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,
331	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
332	returned.	537	returned.
333		538
334	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
335	deadlocked coro.	540	deadlocked coro.
…		…
341		546
342	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.
343		548
344	=cut	549	=cut
345		550
346	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
347	our %LOCKER;#d#
348		552
349	sub lock_wait($) {	553	sub lock_wait($) {
350	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
351
352	if ($LOCKER{$key} == $Coro::current) {#d#
353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
354	return;#d#
355	}#d#
356
357	# wait for lock, if any
358	while ($LOCK{$key}) {
359	push @{ $LOCK{$key} }, $Coro::current;
360	Coro::schedule;
361	}
362	}	555	}
363		556
364	sub lock_acquire($) {	557	sub lock_acquire($) {
365	my ($key) = @_;	558	$LOCKS->guard ($_[0])
366
367	# wait, to be sure we are not locked
368	lock_wait $key;
369
370	$LOCK{$key} = [];
371	$LOCKER{$key} = $Coro::current;#d#
372
373	Coro::guard {
374	delete $LOCKER{$key};#d#
375	# wake up all waiters, to be on the safe side
376	$_->ready for @{ delete $LOCK{$key} };
377	}
378	}	559	}
379		560
380	sub lock_active($) {	561	sub lock_active($) {
381	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
382
383	! ! $LOCK{$key}
384	}	563	}
385		564
386	sub freeze_mainloop {	565	sub freeze_mainloop {
387	tick_inhibit_inc;	566	tick_inhibit_inc;
388		567
389	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
390	}	569	}
391		570
392	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
393		572
394	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
395	get spread over timer.	574	get spread over time.
396		575
397	=cut	576	=cut
398		577
399	sub periodic($$) {	578	sub periodic($$) {
400	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
404	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
405	}	584	}
406		585
407	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
408		587
409	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
410	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
411	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$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.
412		595
413	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
414	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
415		598
416	Useful for short background jobs.	599	Useful for short background jobs.
417		600
418	=cut	601	=cut
419		602
420	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
421	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
422		606
423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
424	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
425	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
426		610
427	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
428		613
429	while () {	614	while () {
430	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
431	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
432	if ($avail > 0.01) {	620
433	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
434	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
435	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
436	$job->[2]->send;	625	$job->[2]->send;
437	Coro::cede;
438	goto next_job;	626	goto next_job;
439	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
440	}	629	}
441	}	630	}
442		631
443	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
444	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
445	push @cf::WAIT_FOR_TICK, $signal;
446	$signal->wait;
447	} else {	634	} else {
		635	$busy = 0;
448	Coro::schedule;	636	Coro::schedule;
449	}	637	}
450	}	638	}
451	};	639	};
452		640
453	sub get_slot($;$$) {	641	sub get_slot($;$$) {
454	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
455		643
456	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
457		645
458	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
459	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
460		649
461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
463	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
475	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
476		665
477	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
478		667
479	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
480	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
482	acceptable.	671	acceptable.
483		672
484	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
485	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
489	=cut	678	=cut
490		679
491	sub sync_job(&) {	680	sub sync_job(&) {
492	my ($job) = @_;	681	my ($job) = @_;
493		682
494	if ($Coro::current == $Coro::main) {	683	if (in_main) {
495	my $time = EV::time;	684	my $time = AE::time;
496		685
497	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
498	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
499		688
500	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
501		690
502	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
503		692
504	my $busy = 1;	693	my $busy = 1;
505	my @res;	694	my @res;
506		695
507	(async {	696	(async {
508	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
509	@res = eval { $job->() };	698	@res = eval { $job->() };
510	warn $@ if $@;	699	error $@ if $@;
511	undef $busy;	700	undef $busy;
512	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
513		702
514	while ($busy) {	703	while ($busy) {
515	if (Coro::nready) {	704	if (Coro::nready) {
516	Coro::cede_notself;	705	Coro::cede_notself;
517	} else {	706	} else {
518	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
519	}	708	}
520	}	709	}
521		710
522	my $time = EV::time - $time;	711	my $time = AE::time - $time;
523		712
524	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
525		714
526	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
527	} else {	716	} else {
…		…
549	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
550		739
551	$coro	740	$coro
552	}	741	}
553		742
554	=item fork_call { }, $args	743	=item fork_call { }, @args
555		744
556	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
557	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
558	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
559	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
560		749
561	=cut	750	=cut
562		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
563	sub fork_call(&@) {	756	sub fork_call(&@) {
564	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
565		758
566	# we seemingly have to make a local copy of the whole thing,
567	# otherwise perl prematurely frees the stuff :/
568	# TODO: investigate and fix (likely this will be rather laborious)
569
570	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
571	reset_signals;	760	cf::post_fork;
572	&$cb	761	&$cb
573	}, @args;	762	} @args;
574		763
575	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	)
576	}	776	}
577		777
578	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
579		779
580	=cut	780	=cut
…		…
617	within each server.	817	within each server.
618		818
619	=cut	819	=cut
620		820
621	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
622	my ($name) = @_;	825	my ($name) = @_;
623	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
624		827
625	eval {	828	eval {
626	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
636	}	839	}
637		840
638	our $DB;	841	our $DB;
639		842
640	sub db_init {	843	sub db_init {
641	cf::sync_job {
642	$DB ||= db_table "db";	844	$DB ||= db_table "db";
643	};
644	}	845	}
645		846
646	sub db_get($$) {	847	sub db_get($$) {
647	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
648		849
649	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
650	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
651		854
652	$! ? ()	855	$! ? ()
653	: $data	856	: $data
654	}
655	}	857	}
656		858
657	sub db_put($$$) {	859	sub db_put($$$) {
658	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
687		889
688	my @data;	890	my @data;
689	my $md5;	891	my $md5;
690		892
691	for (0 .. $#$src) {	893	for (0 .. $#$src) {
692	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
693	or Carp::croak "$src->[$_]: $!";
694	}	895	}
695		896
696	# if processing is expensive, check	897	# if processing is expensive, check
697	# checksum first	898	# checksum first
698	if (1) {	899	if (1) {
…		…
711		912
712	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
713	}	914	}
714	}	915	}
715		916
716	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
717	my $data = $process->(\@data);	918	my $data = $process->(\@data);
718	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
719		920
720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
721		922
722	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
723	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
724	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
725		926
…		…
735		936
736	=cut	937	=cut
737		938
738	sub datalog($@) {	939	sub datalog($@) {
739	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
741	}	942	}
742		943
743	=back	944	=back
744		945
745	=cut	946	=cut
…		…
940		1141
941	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
942	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
943		1144
944	} elsif (ref $type) {	1145	} elsif (ref $type) {
945	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
946		1147
947	} else {	1148	} else {
948	shift @arg;	1149	shift @arg;
949	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
950	}	1151	}
951	}	1152	}
952	}	1153	}
953		1154
954	sub _object_attach {	1155	sub _object_attach {
…		…
964	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
965	}	1166	}
966		1167
967	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
968	} else {	1169	} else {
969	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
970	}	1171	}
971		1172
972	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
973	}	1174	}
974		1175
…		…
1033		1234
1034	for (@$callbacks) {	1235	for (@$callbacks) {
1035	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1036		1237
1037	if ($@) {	1238	if ($@) {
1038	warn "$@";
1039	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1040	override;	1240	override;
1041	}	1241	}
1042		1242
1043	return 1 if $override;	1243	return 1 if $override;
1044	}	1244	}
…		…
1123	for (@$attach) {	1323	for (@$attach) {
1124	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1125	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1126	}	1326	}
1127	} else {	1327	} else {
1128	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1129	}	1329	}
1130	}	1330	}
1131	}	1331	}
1132		1332
1133	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1160	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1161		1361
1162	sync_job {	1362	sync_job {
1163	if (length $$rdata) {	1363	if (length $$rdata) {
1164	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1165	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1166	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1167		1368
1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1169	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1171	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	}
1172	aio_close $fh;	1376	aio_close $fh;
1173		1377
1174	if (@$objs) {	1378	if (@$objs) {
1175	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) {
1176	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1178	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1179	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	}
1180	aio_close $fh;	1387	aio_close $fh;
1181	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1182	}	1389	}
1183	} else {	1390	} else {
1184	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1185	}	1392	}
1186		1393
1187	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1188	} else {	1398	} else {
1189	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1190	}	1400	}
1191	} else {	1401	} else {
1192	aio_unlink $filename;	1402	aio_unlink $filename;
1193	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1194	}	1404	}
…		…
1218	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1219	$av = $st->{objs};	1429	$av = $st->{objs};
1220	}	1430	}
1221		1431
1222	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1223	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1224	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1225		1436
1226	($data, $av)	1437	($data, $av)
1227	}	1438	}
1228		1439
1229	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1233	=cut	1444	=cut
1234		1445
1235	#############################################################################	1446	#############################################################################
1236	# command handling &c	1447	# command handling &c
1237		1448
1238	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1239		1450
1240	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
1241	$name.	1452	$name.
1242		1453
1243	=cut	1454	=cut
…		…
1249	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1250		1461
1251	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1252	}	1463	}
1253		1464
1254	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1255		1466
1256	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1257	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
1258	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
1259	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
1260	has logged in successfully.	1471	has logged in successfully.
1261		1472
1262	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1263	called.
1264		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
1265	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1266		1481
1267	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1268	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
1269	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
1270	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
1271	log-in.	1486	log-in.
1272		1487
1273	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1274	called.
1275		1489
1276	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1277		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1278	sub register_extcmd {	1497	sub register_extcmd($$) {
1279	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1280		1499
1281	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1282	}	1501	}
1283		1502
1284	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1285	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1286		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1287	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1288	}	1513	}
1289		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1290	cf::player->attach (	1523	cf::player->attach (
1291	on_command => sub {	1524	on_unknown_command => sub {
1292	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1293		1526
1294	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1295	or return;	1528	or return;
1296		1529
…		…
1304	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1305		1538
1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1307		1540
1308	if (ref $msg) {	1541	if (ref $msg) {
1309	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1310	"ARRAY" eq ref $msg
1311	? @$msg
1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313		1543
1314	my @reply;
1315
1316	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}) {
1317	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1318	}	1562	}
1319		1563
1320	$pl->ext_reply ($reply, @reply)
1321	if $reply;
1322
1323	} else {	1564	} else {
1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1325	}	1566	}
1326		1567
1327	cf::override;	1568	cf::override;
1328	},	1569	},
1329	);	1570	);
1330		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
1331	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1332	cf::sync_job {	1601	cf::sync_job {
1333	my %todo;	1602	my %todo;
1334		1603
1335	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1336	next unless -r $path;	1605	next unless -r $path;
…		…
1354		1623
1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1357		1626
1358	$ext{source} =	1627	$ext{source} =
1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1360	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1361	. $source	1630	. $source
1362	. "\n};\n1";	1631	. "\n};\n1";
1363		1632
1364	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1365	}	1634	}
1366		1635
		1636	my $pass = 0;
1367	my %done;	1637	my %done;
1368	while (%todo) {	1638	while (%todo) {
1369	my $progress;	1639	my $progress;
1370		1640
		1641	++$pass;
		1642
		1643	ext:
1371	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1372	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1373	goto skip	1646	next ext
1374	unless exists $done{$_};	1647	unless exists $done{$_};
1375	}	1648	}
1376		1649
1377	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1378		1651
1379	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 $@) {
1380	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1381	: "$v->{base}: extension inactive.\n";
1382		1665
1383	if (exists $v->{meta}{mandatory}) {
1384	warn $msg;
1385	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1386	}	1667	if exists $v->{meta}{mandatory};
1387		1668
1388	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;
1389	}	1678	}
1390
1391	$done{$k} = delete $todo{$k};
1392	push @EXTS, $v->{pkg};
1393	$progress = 1;
1394	}	1679	}
1395		1680
1396	skip:	1681	unless ($progress) {
1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1398	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1399	}	1691	}
1400	};	1692	};
1401	}	1693	}
1402		1694
1403	#############################################################################	1695	#############################################################################
…		…
1457		1749
1458	sub exists($) {	1750	sub exists($) {
1459	my ($login) = @_;	1751	my ($login) = @_;
1460		1752
1461	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1462	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1463	}	1755	}
1464		1756
1465	sub find($) {	1757	sub find($) {
1466	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1467	my $login = $_[0];	1759	my $login = $_[0];
…		…
1487	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1488	}	1780	}
1489	}	1781	}
1490	}	1782	}
1491		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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
1492	sub save($) {	1797	sub save($) {
1493	my ($pl) = @_;	1798	my ($pl) = @_;
1494		1799
1495	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1496		1801
…		…
1501		1806
1502	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1503	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1504		1809
1505	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];
1506		1814
1507	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1508	cf::cede_to_tick;	1816	cf::cede_to_tick;
1509	}	1817	}
1510		1818
…		…
1544	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1545		1853
1546	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1548		1856
1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1550	$pl->deactivate;	1858	$pl->deactivate;
		1859
1551	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;
1552	$pl->ob->check_score;
1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1554	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1555		1865
1556	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1557	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1558	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1612	\@logins	1922	\@logins
1613	}	1923	}
1614		1924
1615	=item $player->maps	1925	=item $player->maps
1616		1926
		1927	=item cf::player::maps $login
		1928
1617	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1618	player. May block.	1930	player. May block.
1619		1931
1620	=cut	1932	=cut
1621		1933
…		…
1642		1954
1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1644		1956
1645	Expand deliantra pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1646		1958
1647	=item $player->ext_reply ($msgid, @msg)
1648
1649	Sends an ext reply to the player.
1650
1651	=cut
1652
1653	sub ext_reply($$@) {
1654	my ($self, $id, @msg) = @_;
1655
1656	$self->ns->ext_reply ($id, @msg)
1657	}
1658
1659	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1660		1960
1661	Sends an ext event to the client.	1961	Sends an ext event to the client.
1662		1962
1663	=cut	1963	=cut
…		…
1682		1982
1683	=cut	1983	=cut
1684		1984
1685	sub find_by_path($) {	1985	sub find_by_path($) {
1686	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1687		1989
1688	my ($match, $specificity);	1990	my ($match, $specificity);
1689		1991
1690	for my $region (list) {	1992	for my $region (list) {
1691	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1720	sub generate_random_map {	2022	sub generate_random_map {
1721	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1722		2024
1723	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
1724		2026
1725	# mit "rum" bekleckern, nicht
1726	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1730	$rmp->{exit_on_final_map},
1731	$rmp->{xsize}, $rmp->{ysize},
1732	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1733	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1734	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1735	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1736	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1737	(cf::region::find $rmp->{region}), $rmp->{custom}
1738	)
1739	}	2028	}
1740		2029
1741	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1742		2031
1743	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
…		…
1748		2037
1749	sub register {	2038	sub register {
1750	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1751	my $pkg = caller;	2040	my $pkg = caller;
1752		2041
1753	no strict;
1754	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1755		2043
1756	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1757	}	2045	}
1758		2046
1759	# also paths starting with '/'	2047	# also paths starting with '/'
1760	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1761		2049
1762	sub thawer_merge {	2050	sub thawer_merge {
1763	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1764		2052
1765	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1770	}	2058	}
1771		2059
1772	sub normalise {	2060	sub normalise {
1773	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1774		2062
1775	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1776		2064
1777	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1778		2066
1779	# map plan:	2067	# map plan:
1780	#	2068	#
…		…
1795	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1796	$path = "$base/$path";	2084	$path = "$base/$path";
1797	}	2085	}
1798		2086
1799	for ($path) {	2087	for ($path) {
1800	redo if s{//}{/};
1801	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1802	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1803	}	2090	}
1804		2091
1805	$path	2092	$path
…		…
1819	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1820	return $self;	2107	return $self;
1821	}	2108	}
1822	}	2109	}
1823		2110
1824	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1825	()	2112	()
1826	}	2113	}
1827		2114
		2115	# may re-bless or do other evil things
1828	sub init {	2116	sub init {
1829	my ($self) = @_;	2117	my ($self) = @_;
1830		2118
1831	$self	2119	$self
1832	}	2120	}
…		…
1863		2151
1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1865	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1866	}	2154	}
1867		2155
1868	# and all this just because we cannot iterate over
1869	# all maps in C++...
1870	sub change_all_map_light {
1871	my ($change) = @_;
1872
1873	$_->change_map_light ($change)
1874	for grep $_->outdoor, values %cf::MAP;
1875	}
1876
1877	sub decay_objects {	2156	sub decay_objects {
1878	my ($self) = @_;	2157	my ($self) = @_;
1879		2158
1880	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1881		2160
…		…
1906	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1907		2186
1908	1	2187	1
1909	}	2188	}
1910		2189
		2190	# used to laod the header of an original map
1911	sub load_header_orig {	2191	sub load_header_orig {
1912	my ($self) = @_;	2192	my ($self) = @_;
1913		2193
1914	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1915	}	2195	}
1916		2196
		2197	# used to laod the header of an instantiated map
1917	sub load_header_temp {	2198	sub load_header_temp {
1918	my ($self) = @_;	2199	my ($self) = @_;
1919		2200
1920	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1921	}	2202	}
1922		2203
		2204	# called after loading the header from an instantiated map
1923	sub prepare_temp {	2205	sub prepare_temp {
1924	my ($self) = @_;	2206	my ($self) = @_;
1925		2207
1926	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1927	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1928	# safety	2210	# safety
1929	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1930	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1931	}	2213	}
1932		2214
		2215	# called after loading the header from an original map
1933	sub prepare_orig {	2216	sub prepare_orig {
1934	my ($self) = @_;	2217	my ($self) = @_;
1935		2218
1936	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1937	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1961		2244
1962	sub find;	2245	sub find;
1963	sub find {	2246	sub find {
1964	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1965		2248
		2249	cf::cede_to_tick;
		2250
1966	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1967		2252
1968	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1969	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1970		2255
1971	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1973	my $guard2 = cf::lock_acquire "map_find:$path";
1974
1975	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1976	or return;	2258	or return;
1977		2259
1978	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1979		2261
…		…
1991		2273
1992	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1993	}	2275	}
1994	}	2276	}
1995		2277
1996	sub pre_load { }	2278	sub pre_load { }
1997	sub post_load { }	2279	#sub post_load { } # XS
1998		2280
1999	sub load {	2281	sub load {
2000	my ($self) = @_;	2282	my ($self) = @_;
2001		2283
2002	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2005		2287
2006	{	2288	{
2007	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
2008		2290
2009	return unless $self->valid;	2291	return unless $self->valid;
2010	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
2011
2012	$self->in_memory (cf::MAP_LOADING);
2013		2293
2014	$self->alloc;	2294	$self->alloc;
2015		2295
2016	$self->pre_load;	2296	$self->pre_load;
2017	cf::cede_to_tick;	2297	cf::cede_to_tick;
2018		2298
		2299	if (exists $self->{load_path}) {
2019	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2020	$f->skip_block;	2301	$f->skip_block;
2021	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2022	or return;	2303	or return;
2023		2304
2024	$self->post_load_original	2305	$self->post_load_original
2025	if delete $self->{load_original};	2306	if delete $self->{load_original};
2026		2307
2027	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2028	utf8::encode $uniq;	2309	utf8::encode $uniq;
2029	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2030	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2031	$self->clear_unique_items;	2312	$self->clear_unique_items;
2032	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2033	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2034	}	2316	}
2035	}	2317	}
2036	}
2037		2318
2038	$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);
2039		2326
2040	cf::cede_to_tick;	2327	cf::cede_to_tick;
2041	# now do the right thing for maps	2328	# now do the right thing for maps
2042	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2043	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2047	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2048	$self->decay_objects;	2335	$self->decay_objects;
2049	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2050	$self->update_buttons;	2337	$self->update_buttons;
2051	cf::cede_to_tick;	2338	cf::cede_to_tick;
2052	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2053	cf::cede_to_tick;
2054	$self->activate;
2055	}	2340	}
2056		2341
2057	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2058	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2059
2060	$self->in_memory (cf::MAP_ACTIVE);
2061	}	2344	}
2062		2345
2063	$self->post_load;	2346	$self->post_load;
2064	}
2065		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2066	sub customise_for {	2354	sub customise_for {
2067	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2068		2356
2069	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2070	if $self->per_player;	2358	if $self->per_player;
…		…
2073	# if $self->per_party;	2361	# if $self->per_party;
2074		2362
2075	$self	2363	$self
2076	}	2364	}
2077		2365
2078	# find and load all maps in the 3x3 area around a map
2079	sub load_neighbours {
2080	my ($map) = @_;
2081
2082	my @neigh; # diagonal neighbours
2083
2084	for (0 .. 3) {
2085	my $neigh = $map->tile_path ($_)
2086	or next;
2087	$neigh = find $neigh, $map
2088	or next;
2089	$neigh->load;
2090
2091	push @neigh,
2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2094	}
2095
2096	for (grep defined $_->[0], @neigh) {
2097	my ($path, $origin) = @$_;
2098	my $neigh = find $path, $origin
2099	or next;
2100	$neigh->load;
2101	}
2102	}
2103
2104	sub find_sync {	2366	sub find_sync {
2105	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2106		2368
2107	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, $origin
2108	}	2374	}
2109		2375
2110	sub do_load_sync {	2376	sub do_load_sync {
2111	my ($map) = @_;	2377	my ($map) = @_;
2112		2378
		2379	# it's a bug to call this from the main context
2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2114	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2115		2382
2116	cf::sync_job { $map->load };	2383	$map->load;
2117	}	2384	}
2118		2385
2119	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2120	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2121		2388
2122	sub find_async {	2389	sub find_async {
2123	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2124		2391
2125	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2126		2393
2127	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2129	}	2396	}
2130		2397
2131	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2132		2399
2133	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2134	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2135		2402
2136	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2137	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2138	if (my $map = find $k) {	2405	if (my $map = find $k) {
2139	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2140	}	2407	}
2141		2408
2142	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2143	}	2410	}
2144	}	2411	}
…		…
2147	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2148		2415
2149	()	2416	()
2150	}	2417	}
2151		2418
		2419	# common code, used by both ->save and ->swapout
2152	sub save {	2420	sub _save {
2153	my ($self) = @_;	2421	my ($self) = @_;
2154
2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
2156		2422
2157	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2158		2424
2159	return unless $self->dirty;	2425	return unless $self->dirty;
2160		2426
…		…
2180	} else {	2446	} else {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2182	}	2448	}
2183	}	2449	}
2184		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2185	sub swap_out {	2459	sub swap_out {
2186	my ($self) = @_;	2460	my ($self) = @_;
2187		2461
2188	# save first because save cedes
2189	$self->save;
2190
2191	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2192		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2193	return if $self->players;	2466	return if $self->players;
2194	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
2195	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2196		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
2197	$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};
2198		2518
2199	$self->deactivate;	2519	$self->deactivate;
2200	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2201	$self->clear;	2521	$self->clear;
2202	}
2203
2204	sub reset_at {
2205	my ($self) = @_;
2206
2207	# TODO: safety, remove and allow resettable per-player maps
2208	return 1e99 if $self->{deny_reset};
2209
2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2212
2213	$time + $to
2214	}
2215
2216	sub should_reset {
2217	my ($self) = @_;
2218
2219	$self->reset_at <= $cf::RUNTIME
2220	}
2221
2222	sub reset {
2223	my ($self) = @_;
2224
2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
2226
2227	return if $self->players;
2228
2229	warn "resetting map ", $self->path;
2230
2231	$self->in_memory (cf::MAP_SWAPPED);
2232
2233	# need to save uniques path
2234	unless ($self->{deny_save}) {
2235	my $uniq = $self->uniq_path; utf8::encode $uniq;
2236
2237	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2238	if $uniq;
2239	}
2240
2241	delete $cf::MAP{$self->path};
2242
2243	$self->deactivate;
2244	$_->clear_links_to ($self) for values %cf::MAP;
2245	$self->clear;
2246		2522
2247	$self->unlink_save;	2523	$self->unlink_save;
2248	$self->destroy;	2524	$self->destroy;
2249	}	2525	}
2250		2526
…		…
2258		2534
2259	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2260		2536
2261	$self->unlink_save;	2537	$self->unlink_save;
2262		2538
2263	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2264	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2265	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2266	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2268		2544
…		…
2325	: normalise $_	2601	: normalise $_
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2603	]
2328	}	2604	}
2329		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
2330	=back	2638	=back
2331		2639
2332	=head3 cf::object	2640	=head3 cf::object
2333		2641
2334	=cut	2642	=cut
…		…
2357		2665
2358	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.
2359		2667
2360	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2361		2669
2362	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,
2363	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2364		2672
2365	=cut	2673	=cut
2366		2674
2367	sub deref {	2675	sub deref {
…		…
2399		2707
2400	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2401	id => "say",	2709	id => "say",
2402	title => "Map",	2710	title => "Map",
2403	reply => "say ",	2711	reply => "say ",
2404	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.",
2405	};	2713	};
2406		2714
2407	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2408	id => "chat",	2716	id => "chat",
2409	title => "Chat",	2717	title => "Chat",
…		…
2449	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2450		2758
2451	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2452	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2453		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2454	=cut	2787	=cut
2455		2788
2456	sub cf::object::player::may {	2789	sub cf::object::player::may {
2457	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2458		2791
2459	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2460	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2461	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2462	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2463	}	2796	}
2464		2797
2465	=item $player_object->enter_link	2798	=item $player_object->enter_link
2466		2799
2467	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}>).
2468		2801
2469	The player should be reasonably safe there for short amounts of time (e.g.	2802	The player should be reasonably safe there for short amounts of time (e.g.
2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471	though, as the palyer cannot control the character while it is on the link	2804	though, as the player cannot control the character while it is on the link
2472	map.	2805	map.
2473		2806
2474	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.
2475		2814
2476	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2477		2816
2478	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2479	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2497	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2498	my ($self) = @_;	2837	my ($self) = @_;
2499		2838
2500	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2501		2840
		2841	++$self->{_link_recursion};
		2842
2502	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2503		2844
2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2505	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2506		2847
2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2508	}	2849	}
2509		2850
2510	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2511	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2512		2853
…		…
2529	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2530	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2531		2872
2532	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2533	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2534	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2535		2876
2536	$map->load;	2877	$map->load;
2537	$map->load_neighbours;
2538		2878
2539	return unless $self->contr->active;	2879	return unless $self->contr->active;
2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2541	$self->activate_recursive;
2542		2880
2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2544	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2545	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2546		2888
		2889	}
		2890
2547	=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)]])
2548		2892
2549	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
2550	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2551	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
2552	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
…		…
2559		2903
2560	our $GOTOGEN;	2904	our $GOTOGEN;
2561		2905
2562	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2563	my ($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	}
2564		2914
2565	# 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
2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2567		2917
2568	$self->enter_link;	2918	$self->enter_link;
…		…
2588	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2589	}	2939	}
2590	}	2940	}
2591		2941
2592	my $map = eval {	2942	my $map = eval {
2593	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2594		2944
2595	if ($map) {	2945	if ($map) {
2596	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2597	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2598	} else {	2948	} else {
2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2600	}	2950	}
2601		2951
2602	$map	2952	$map
…		…
2610	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2611	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2612	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2613	}	2963	}
2614		2964
2615	$done->() if $done;	2965	$done->($self) if $done;
2616	})->prio (1);	2966	})->prio (1);
2617	}	2967	}
2618		2968
2619	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2620		2970
…		…
2688	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2689		3039
2690	unless (eval {	3040	unless (eval {
2691	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2692		3042
2693	# random map handling
2694	{
2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697	prepare_random_map $exit
2698	if $exit->slaying eq "/!";
2699	}
2700
2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2702	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2703	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	}
2704		3069
2705	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2706		3071
2707	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2708	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
…		…
2713	$self->message ("Something went wrong deep within the deliantra server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "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. "
2715	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2717		3082
2718	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	3084	$self->leave_link;
2720	}	3085	}
2721	})->prio (1);	3086	})->prio (1);
2722	}	3087	}
2723		3088
2724	=head3 cf::client	3089	=head3 cf::client
2725		3090
2726	=over 4	3091	=over 4
2727		3092
2728	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2729		3094
2730	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2731	should not be used under normal circumstances.	3096	them as required.
2732		3097
2733	=cut	3098	=cut
2734		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2735	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2736	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2737		3104
2738	utf8::encode $text;	3105	# try lzf for large packets
2739	$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);
2740	}	3116	}
2741		3117
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3119
2744	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2745	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2746	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2747	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2748		3124
2749	=cut	3125	=cut
2750		3126
2751	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2752	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	},
2753	"c/identify" => {	3135	"c/identify" => {
2754	id => "infobox",	3136	id => "infobox",
2755	title => "Identify",	3137	title => "Identify",
2756	reply => undef,	3138	reply => undef,
2757	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3141	"c/examine" => {
2760	id => "infobox",	3142	id => "infobox",
2761	title => "Examine",	3143	title => "Examine",
2762	reply => undef,	3144	reply => undef,
2763	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",
2764	},	3152	},
2765	"c/book" => {	3153	"c/book" => {
2766	id => "infobox",	3154	id => "infobox",
2767	title => "Book",	3155	title => "Book",
2768	reply => undef,	3156	reply => undef,
…		…
2784	id => "infobox",	3172	id => "infobox",
2785	title => "Body Parts",	3173	title => "Body Parts",
2786	reply => undef,	3174	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you posess and are available",
2788	},	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	},
2789	"c/uptime" => {	3213	"c/uptime" => {
2790	id => "infobox",	3214	id => "infobox",
2791	title => "Uptime",	3215	title => "Uptime",
2792	reply => undef,	3216	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3217	tooltip => "How long the server has been running since last restart",
…		…
2802	id => "party",	3226	id => "party",
2803	title => "Party",	3227	title => "Party",
2804	reply => "gsay ",	3228	reply => "gsay ",
2805	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2806	},	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" => $CHAT_CHANNEL,
2807	);	3245	);
2808		3246
2809	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2810	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2811		3249
…		…
2816		3254
2817	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2818	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2819	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2820		3258
2821	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2822	if $self->can_msg;
2823
2824	$channel = $channel->{id};	3260	$channel = $channel->{id};
2825		3261
2826	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2827	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2828	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2829	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2830	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2831	if $self->can_msg;
2832	}	3267	}
2833		3268
2834	$channel = $channel->{id};	3269	$channel = $channel->{id};
2835	}	3270	}
2836		3271
2837	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2838		3273
2839	if ($self->can_msg) {
2840	# default colour, mask it out	3274	# default colour, mask it out
2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2842	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2843		3277
2844	my $pkt = "msg "	3278	my $pkt = "msg "
2845	. $self->{json_coder}->encode (	3279	. $self->{json_coder}->encode (
2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847	);	3281	);
2848		3282
2849	# try lzf for large packets
2850	$pkt = "lzf " . Compress::LZF::compress $pkt
2851	if 1024 <= length $pkt and $self->{can_lzf};
2852
2853	# split very large packets
2854	if (8192 < length $pkt and $self->{can_lzf}) {
2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856	$pkt = "frag";
2857	}
2858
2859	$self->send_packet ($pkt);	3283	$self->send_big_packet ($pkt);
2860	} else {
2861	if ($color >= 0) {
2862	# replace some tags by gcfclient-compatible ones
2863	for ($msg) {
2864	1 while
2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2870	}
2871
2872	$color &= cf::NDI_COLOR_MASK;
2873
2874	utf8::encode $msg;
2875
2876	if (0 && $msg =~ /\[/) {
2877	# COMMAND/INFO
2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2879	} else {
2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2881	$self->send_packet ("drawinfo $color $msg")
2882	}
2883	}
2884	}
2885	}	3284	}
2886		3285
2887	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2888		3287
2889	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2891	=cut	3290	=cut
2892		3291
2893	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2894	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2895		3294
2896	if ($self->extcmd == 2) {
2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2898	} elsif ($self->extcmd == 1) { # TODO: remove
2899	push @msg, msgtype => "event_$type";
2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2901	}
2902	}
2903
2904	=item $client->ext_reply ($msgid, @msg)
2905
2906	Sends an ext reply to the client.
2907
2908	=cut
2909
2910	sub cf::client::ext_reply($$@) {
2911	my ($self, $id, @msg) = @_;
2912
2913	if ($self->extcmd == 2) {
2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2915	} elsif ($self->extcmd == 1) {
2916	#TODO: version 1, remove
2917	unshift @msg, msgtype => "reply", msgid => $id;
2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2919	}
2920	}	3296	}
2921		3297
2922	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2923		3299
2924	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2944		3320
2945	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2946	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2947		3323
2948	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;
2949	}	3364	}
2950		3365
2951	cf::client->attach (	3366	cf::client->attach (
2952	on_connect => sub {	3367	on_connect => sub {
2953	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2979	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2980		3395
2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2982		3397
2983	if (ref $msg) {	3398	if (ref $msg) {
2984	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2985	"ARRAY" eq ref $msg
2986	? @$msg
2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2988		3400
2989	my @reply;
2990
2991	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}) {
2992	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2993	}	3419	}
2994
2995	$ns->ext_reply ($reply, @reply)
2996	if $reply;
2997
2998	} else {	3420	} else {
2999	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";
3000	}	3422	}
3001		3423
3002	cf::override;	3424	cf::override;
3003	},	3425	},
3004	);	3426	);
…		…
3024		3446
3025	$coro	3447	$coro
3026	}	3448	}
3027		3449
3028	cf::client->attach (	3450	cf::client->attach (
3029	on_destroy => sub {	3451	on_client_destroy => sub {
3030	my ($ns) = @_;	3452	my ($ns) = @_;
3031		3453
3032	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3033	},	3455	},
3034	);	3456	);
…		…
3050	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3051		3473
3052	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3053		3475
3054	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3055	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3056	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3057	sort time	3479	sort time
3058	));	3480	));
3059		3481
3060	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3064	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3065		3487
3066	cf::object	3488	cf::object
3067	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
3068	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3069		3492
3070	cf::object::player	3493	cf::object::player
3071	player	3494	player
3072		3495
3073	cf::player	3496	cf::player
…		…
3079	=cut	3502	=cut
3080		3503
3081	for (	3504	for (
3082	["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
3083	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3084	decrease split destroy change_exp)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3085	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3086	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3087	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3088	) {	3511	) {
3089	no strict 'refs';
3090	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3091	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3092	for @funs;	3514	for @funs;
3093	}	3515	}
3094		3516
…		…
3109		3531
3110	my $qcode = $code;	3532	my $qcode = $code;
3111	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3112	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3113		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3114	local $_;	3539	local $_;
3115	local @safe::cf::_safe_eval_args = values %vars;
3116		3540
3117	my $eval =	3541	my $eval =
3118	"do {\n"	3542	"do {\n"
3119	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3120	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3121	. $code	3545	. $code
3122	. "\n}"	3546	. "\n}"
3123	;	3547	;
3124		3548
		3549	if ($CFG{safe_eval}) {
3125	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3126	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3127	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	}
3128		3558
3129	if ($@) {	3559	if ($@) {
3130	warn "$@";	3560	warn "$@",
3131	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3132	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3133	}	3563	}
3134		3564
3135	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3136	}	3566	}
3137		3567
…		…
3151	=cut	3581	=cut
3152		3582
3153	sub register_script_function {	3583	sub register_script_function {
3154	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3155		3585
3156	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3157	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3158	}	3588	}
3159		3589
3160	=back	3590	=back
3161		3591
3162	=cut	3592	=cut
3163		3593
3164	#############################################################################	3594	#############################################################################
3165	# the server's init and main functions	3595	# the server's init and main functions
3166		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3167	sub load_facedata($) {	3674	sub load_facedata($) {
3168	my ($path) = @_;	3675	my ($path) = @_;
3169		3676
3170	# HACK to clear player env face cache, we need some signal framework
3171	# for this (global event?)
3172	%ext::player_env::MUSIC_FACE_CACHE = ();
3173
3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3175		3678
3176	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3177		3680
3178	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3179	0 < aio_load $path, $facedata
3180	or die "$path: $!";
3181
3182	$facedata = Coro::Storable::thaw $facedata;
3183		3682
3184	$facedata->{version} == 2	3683	$facedata->{version} == 2
3185	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3186		3685
3187	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3188	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3189	type => FT_RSRC,	3688
3190	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
3191	};	3690
3192	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3193		3694
3194	{	3695	{
3195	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3196		3697
3197	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199		3701
3200	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3201	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3202	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};
3203	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};
3204		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3205	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3206	}	3709	}
3207		3710
3208	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3209	next unless $info->{smooth};	3712	next unless $info->{smooth};
3210		3713
…		…
3213		3716
3214	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3215	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3217	} else {	3720	} else {
3218	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3219	}	3722	}
3220
3221	cf::cede_to_tick;
3222	}	3723	}
3223	}	3724	}
3224		3725
3225	{	3726	{
3226	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3227		3728
3228	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3229	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3230	cf::cede_to_tick;
3231	}	3731	}
3232		3732
3233	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3234	}	3734	}
3235		3735
3236	{	3736	{
3237	# TODO: for gcfclient pleasure, we should give resources
3238	# that gcfclient doesn't grok a >10000 face index.
3239	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3240		3738
3241	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3242	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
3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3244	my $data;
3245		3743
3246	if ($info->{type} & 1) {
3247	# prepend meta info
3248
3249	my $meta = $enc->encode ({
3250	name => $name,
3251	%{ $info->{meta} || {} },
3252	});
3253
3254	$data = pack "(w/a*)*", $meta, $info->{data};
3255	} else {
3256	$data = $info->{data};
3257	}
3258
3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260	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;
3261	} else {	3750	} else {
3262	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3263	}	3752	}
3264
3265	cf::cede_to_tick;
3266	}	3753	}
3267	}	3754	}
		3755
		3756	($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;
3268		3765
3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3270		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3271	1	3770	1
3272	}	3771	}
3273
3274	cf::global->attach (on_resource_update => sub {
3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279	my $sound = $soundconf->{compat}[$_]
3280	or next;
3281
3282	my $face = cf::face::find "sound/$sound->[1]";
3283	cf::sound::set $sound->[0] => $face;
3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285	}
3286
3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
3288	my $face = cf::face::find "sound/$v";
3289	cf::sound::set $k => $face;
3290	}
3291	}
3292	});
3293		3772
3294	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3295	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3296		3775
3297	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3305	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3306	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3307	cf::arch::commit_load;	3786	cf::arch::commit_load;
3308		3787
3309	$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;
3310	}	3803	}
3311		3804
3312	sub reload_regions {	3805	sub reload_regions {
3313	# 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
3314	# for this (global event?)	3807	# for this (global event?)
…		…
3322	if exists $_->{match};	3815	if exists $_->{match};
3323	}	3816	}
3324	}	3817	}
3325		3818
3326	sub reload_facedata {	3819	sub reload_facedata {
3327	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3328	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3329	}	3822	}
3330		3823
3331	sub reload_archetypes {	3824	sub reload_archetypes {
3332	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3333	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3334	}	3853	}
3335		3854
3336	sub reload_treasures {	3855	sub reload_treasures {
3337	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3338	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3339	}	3858	}
3340		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
3341	sub reload_resources {	3880	sub reload_resources {
3342	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3343		3882
		3883	reload_materials;
3344	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3345	reload_archetypes;	3887	reload_archetypes;
3346	reload_regions;	3888	reload_regions;
3347	reload_treasures;	3889	reload_treasures;
3348		3890
3349	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	my $guard = freeze_mainloop;
3354
3355	evthread_start IO::AIO::poll_fileno;
3356
3357	reload_resources;
3358	}	3892	}
3359		3893
3360	sub reload_config {	3894	sub reload_config {
3361	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3362	or return;
3363		3896
3364	local $/;	3897	my $config = load_file "$CONFDIR/config";
3365	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3366		3900
3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3368		3902
3369	$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};
3370	$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};
3371		3905
3372	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3395		3929
3396	seek $fh, 0, 0;	3930	seek $fh, 0, 0;
3397	print $fh $$;	3931	print $fh $$;
3398	}	3932	}
3399		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
3400	sub main {	3943	sub main {
3401	atomic;	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
3402		3952
3403	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3404	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3405	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#
3406	(async {	3956	(async {
3407	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3408	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3409	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3410	};	3960	};
3411		3961
3412	{	3962	evthread_start IO::AIO::poll_fileno;
3413	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;
3414	reload_config;	3976	reload_config;
3415	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3416	load_extensions;	3986	load_extensions;
3417		3987
3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419	}
3420
3421	utime time, time, $RUNTIMEFILE;	3988	utime time, time, $RUNTIMEFILE;
3422		3989
3423	# no (long-running) fork's whatsoever before this point(!)	3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425		3993
3426	EV::loop;	3994	cf::_post_init 0;
		3995	};
		3996
		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;
3427	}	4005	}
3428		4006
3429	#############################################################################	4007	#############################################################################
3430	# initialisation and cleanup	4008	# initialisation and cleanup
3431		4009
3432	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3433	BEGIN {	4011	BEGIN {
3434	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3435	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3437	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3438	};	4016	};
3439	}	4017	}
3440	}	4018	}
3441		4019
3442	sub write_runtime_sync {	4020	sub write_runtime_sync {
		4021	my $t0 = AE::time;
		4022
3443	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3444	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3445		4025
3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3447		4027
3448	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3449		4029
3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3451	or return;	4031	or return;
3452		4032
3453	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3454	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3455	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3468	or return;	4048	or return;
3469		4049
3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3471	and return;	4051	and return;
3472		4052
3473	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3474		4054
3475	1	4055	1
3476	}	4056	}
3477		4057
3478	our $uuid_lock;	4058	our $uuid_lock;
…		…
3487	my $uuid = "$LOCALDIR/uuid";	4067	my $uuid = "$LOCALDIR/uuid";
3488		4068
3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490	or return;	4070	or return;
3491		4071
3492	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;
3493	$uuid_skip = 0;	4080	$uuid_skip = 0;
3494		4081
3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3496	and return;	4083	and return;
3497		4084
…		…
3503	or return;	4090	or return;
3504		4091
3505	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3506	and return;	4093	and return;
3507		4094
3508	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3509		4096
3510	1	4097	1
3511		4098
3512	}	4099	}
3513		4100
…		…
3519	}	4106	}
3520		4107
3521	sub emergency_save() {	4108	sub emergency_save() {
3522	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3523		4110
3524	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;
3525		4117
3526	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3527	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3528	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3529	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3530	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3531	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3532	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3533	$pl->valid or next;	4127	$pl->valid or next;
3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3535	$pl->save;	4129	$pl->save;
3536	}	4130	}
3537	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3538		4132
3539	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";
3540	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3541	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3542	$map->valid or next;	4138	$map->valid or next;
3543	$map->save;	4139	$map->save;
3544	}	4140	}
3545	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3546		4142
3547	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";
3548	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3549	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3550		4148
3551	warn "begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3552	write_uuid_sync 1;	4150	write_uuid_sync 1;
3553	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 $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3554	};	4171	};
3555		4172
3556	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3557	}	4174	}
3558		4175
3559	sub post_cleanup {	4176	sub post_cleanup {
3560	my ($make_core) = @_;	4177	my ($make_core) = @_;
3561		4178
		4179	IO::AIO::flush;
		4180
3562	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3563	if $make_core;	4182	if $make_core;
3564		4183
3565	my $fh = pidfile;	4184	my $fh = pidfile;
3566	unlink $PIDFILE if <$fh> == $$;	4185	unlink $PIDFILE if <$fh> == $$;
3567	}	4186	}
…		…
3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588	for my $name (keys %$leaf_symtab) {	4207	for my $name (keys %$leaf_symtab) {
3589	_gv_clear *{"$pkg$name"};	4208	_gv_clear *{"$pkg$name"};
3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591	}	4210	}
3592	warn "cleared package #$pkg\n";#d#
3593	}	4211	}
3594
3595	our $RELOAD; # how many times to reload
3596		4212
3597	sub do_reload_perl() {	4213	sub do_reload_perl() {
3598	# can/must only be called in main	4214	# can/must only be called in main
3599	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3600	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3601	return;	4217	return;
3602	}	4218	}
3603		4219
3604	return if $RELOAD++;	4220	return if $RELOAD++;
3605		4221
		4222	my $t1 = AE::time;
		4223
3606	while ($RELOAD) {	4224	while ($RELOAD) {
3607	warn "reloading...";	4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
3608		4227
3609	warn "entering sync_job";	4228	trace "perl_reload: entering sync_job";
3610		4229
3611	cf::sync_job {	4230	cf::sync_job {
3612	cf::write_runtime_sync; # external watchdog should not bark
3613	cf::emergency_save;	4231	#cf::emergency_save;
3614	cf::write_runtime_sync; # external watchdog should not bark
3615		4232
3616	warn "syncing database to disk";
3617	BDB::db_env_txn_checkpoint $DB_ENV;
3618
3619	# if anything goes wrong in here, we should simply crash as we already saved
3620
3621	warn "flushing outstanding aio requests";
3622	while (IO::AIO::nreqs || BDB::nreqs) {
3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3624	}
3625
3626	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3627	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3628	%EXT_CORO = ();	4235	%EXT_CORO = ();
3629		4236
3630	warn "removing commands";	4237	trace "perl_reload: removing commands";
3631	%COMMAND = ();	4238	%COMMAND = ();
3632		4239
3633	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3634	%EXTCMD = ();	4241	%EXTCMD = ();
3635	%EXTICMD = ();	4242	%EXTICMD = ();
3636		4243
3637	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3638	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3639	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3640		4247
3641	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3642	eval {	4249	eval {
3643	$cb->($pkg);	4250	$cb->($pkg);
3644	1	4251	1
3645	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
3646	}	4253	}
3647		4254
3648	warn "... clearing $pkg";	4255	trace "... clearing $pkg";
3649	clear_package $pkg;	4256	clear_package $pkg;
3650	}	4257	}
3651		4258
3652	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3653	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655		4262
3656	warn "... unloading $k";	4263	trace "... unloading $k";
3657	delete $INC{$k};	4264	delete $INC{$k};
3658		4265
3659	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3660	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3661		4268
…		…
3664	}	4271	}
3665		4272
3666	clear_package $k;	4273	clear_package $k;
3667	}	4274	}
3668		4275
3669	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3670	clear_package "safe::$_"	4277	clear_package "safe::$_"
3671	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);
3672		4279
3673	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3674	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3675	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3676		4283
3677	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3678	# and global variables created in xs	4285	# and global variables created in xs
3679	#clear_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3680		4287
3681	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3682		4289
3683	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3684	require cf;	4291	require cf;
3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3686		4293
3687	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3688	cf::reload_config;	4295	cf::reload_config;
3689		4296
3690	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3691	cf::load_extensions;	4298	cf::load_extensions;
3692		4299
		4300	if ($REATTACH_ON_RELOAD) {
3693	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3694	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3695	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3696	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3697	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3698	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3699		4308
3700	warn "leaving sync_job";	4309	cf::_post_init 1;
		4310
		4311	trace "perl_reload: leaving sync_job";
3701		4312
3702	1	4313	1
3703	} or do {	4314	} or do {
3704	warn $@;	4315	error $@;
3705	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3706	};	4317	};
3707		4318
3708	warn "reloaded";
3709	--$RELOAD;	4319	--$RELOAD;
3710	}	4320	}
		4321
		4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3711	};	4324	};
3712		4325
3713	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3714		4327
3715	sub reload_perl() {	4328	sub reload_perl() {
3716	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3717	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3718		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3720	do_reload_perl;	4336	do_reload_perl;
3721	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
		4338	};
3722	};	4339	};
3723	}	4340	}
3724		4341
3725	register_command "reload" => sub {	4342	register_command "reload" => sub {
3726	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
…		…
3732	reload_perl;	4349	reload_perl;
3733	};	4350	};
3734	}	4351	}
3735	};	4352	};
3736		4353
3737	unshift @INC, $LIBDIR;	4354	#############################################################################
3738		4355
3739	my $bug_warning = 0;	4356	my $bug_warning = 0;
3740		4357
3741	our @WAIT_FOR_TICK;
3742	our @WAIT_FOR_TICK_BEGIN;
3743
3744	sub wait_for_tick {	4358	sub wait_for_tick() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4360
3747	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3748	push @WAIT_FOR_TICK, $signal;
3749	$signal->wait;
3750	}	4362	}
3751		4363
3752	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3753	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3754		4366
3755	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3756	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3757	$signal->wait;	4369	$signal->wait;
3758	}	4370	}
…		…
3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3763	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3764	return;	4376	return;
3765	}	4377	}
3766		4378
3767	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3768		4382
3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3770	$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.;
3771	Coro::async_pool {	4385	Coro::async_pool {
3772	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3773	write_runtime_sync	4387	write_runtime_sync
3774	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3775	};	4389	};
3776	}	4390	}
3777		4391
3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3779	$sig->send;	4393	$sig->send;
3780	}	4394	}
3781	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3782	$sig->send;
3783	}
3784		4396
3785	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3787		4399
3788	if (0) {	4400	if (0) {
3789	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3790	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3793	}	4405	}
3794	}	4406	}
3795	}	4407	}
3796		4408
3797	{	4409	{
3798	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3799		4412
3800	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3801	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3802	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3803		4416
3804	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3805	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3807	$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;
…		…
3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3833	};	4446	};
3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3836	};	4449	};
		4450
		4451	info "database initialised";
3837	}	4452	}
3838		4453
3839	{	4454	{
3840	# configure IO::AIO	4455	# configure IO::AIO
3841		4456
		4457	info "initialising aio";
3842	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3843	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3844	undef $AnyEvent::AIO::WATCHER;	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3845	}	4462	}
3846		4463
3847	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3848		4466
3849	sub _log_backtrace {	4467	sub _log_backtrace {
3850	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3851		4469
3852	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3853		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3854	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3855	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3856	++$_log_backtrace;	4478	++$_log_backtrace;
3857	my $perl_bt = Carp::longmess $msg;	4479	my $perl_bt = Carp::longmess $msg;
3858	async {	4480	async {
3859	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3860		4482
…		…
3880	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3881	--$_log_backtrace;	4503	--$_log_backtrace;
3882	};	4504	};
3883	} else {	4505	} else {
3884	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3885	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3886	}	4508	}
3887	}	4509	}
3888		4510
3889	# load additional modules	4511	# load additional modules
3890	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3891		4514
3892	END { cf::emergency_save }	4515	END { cf::emergency_save }
3893		4516
3894	1	4517	1
3895		4518

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