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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.457 by root, Wed Oct 1 05:50:19 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
…		…
70		75
71	# make sure c-lzf reinitialises itself	76	# make sure c-lzf reinitialises itself
72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";	77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
74		79
		80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		82
75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
76		86
77	our %COMMAND = ();	87	our %COMMAND = ();
78	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
79		89
80	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
81	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
82	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
83	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
84	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
85		97
86	our $RELOAD; # number of reloads so far, non-zero while in reload	98	our $RELOAD; # number of reloads so far, non-zero while in reload
87	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
88		102
89	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
90	our $DATADIR = datadir;	105	our $DATADIR = datadir;
91	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
92	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
93	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
94	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
95	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
99	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
100	our $PIDFILE = "$LOCALDIR/pid";	116	our $PIDFILE = "$LOCALDIR/pid";
101	our $RUNTIMEFILE = "$LOCALDIR/runtime";	117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
102		118
103	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;
104		126
105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107	our $NEXT_TICK;	129	our $NEXT_TICK;
108	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
109		131
110	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
111	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
112	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
113	our $DB_ENV;	135	our $DB_ENV;
114		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
115	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
116		141
117	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
118	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
119	our $NOW;	145	our $NOW;
120		146
121	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
122	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
123	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
130	our $JITTER; # average jitter	156	our $JITTER; # average jitter
131	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
132		158
133	our @POST_INIT;	159	our @POST_INIT;
134		160
135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)	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;
136		166
137	binmode STDOUT;	167	binmode STDOUT;
138	binmode STDERR;	168	binmode STDERR;
139		169
140	# read virtual server time, if available	170	# read virtual server time, if available
…		…
142	open my $fh, "<", $RUNTIMEFILE	172	open my $fh, "<", $RUNTIMEFILE
143	or die "unable to read $RUNTIMEFILE file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
144	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
145	}	175	}
146		176
		177	eval "sub TICK() { $TICK } 1" or die;
		178
147	mkdir $_	179	mkdir $_
148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
149		181
150	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
151		183
152	sub cf::map::normalise;	184	sub cf::map::normalise;
153		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
154	#############################################################################	190	#############################################################################
155		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
156	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
157		204
158	=over 4	205	=over 4
159		206
160	=item $cf::UPTIME	207	=item $cf::UPTIME
161		208
162	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.
163		225
164	=item $cf::RUNTIME	226	=item $cf::RUNTIME
165		227
166	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
167	every server tick.	229	every server tick.
168		230
169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
172		234
173	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
175	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
176	database environment.	238	database environment.
177		239
178	=item $cf::NOW
179
180	The time of the last (current) server tick.
181
182	=item $cf::TICK
183
184	The interval between server ticks, in seconds.
185
186	=item $cf::LOADAVG	240	=item $cf::LOADAVG
187		241
188	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
189	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
190	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
199	from wherever your confdir points to.	253	from wherever your confdir points to.
200		254
201	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
202		256
203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
204	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
206		278
207	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
208		280
209	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
210	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
211	that call.	283	that call.
212		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
213	=back	291	=back
214		292
215	=cut	293	=cut
216		294
217	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
218	*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 {
219	my $msg = join "", @_;	302	my $msg = join "", @_;
220		303
221	$msg .= "\n"	304	$msg .= "\n"
222	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
223		306
224	$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;
225		308
226	LOG llevError, $msg;	309	LOG llevWarn, $msg;
227	};	310	};
228	}
229		311
230	$Coro::State::DIEHOOK = sub {	312	$Coro::State::DIEHOOK = sub {
231	return unless $^S eq 0; # "eq", not "=="	313	return unless $^S eq 0; # "eq", not "=="
232		314
233	if ($Coro::current == $Coro::main) {#d#	315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
234	warn "DIEHOOK called in main context, Coro bug?\n";#d#	318	error "DIEHOOK called in main context, Coro bug?\n";#d#
235	return;#d#	319	return;#d#
236	}#d#	320	}#d#
237		321
238	# kill coroutine otherwise	322	# kill coroutine otherwise
239	warn Carp::longmess $_[0];
240	Coro::terminate	323	Coro::terminate
241	};	324	};
242
243	$SIG{__DIE__} = sub { }; #d#?
244		325
245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
262	)) {	343	)) {
263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
264	}	345	}
265		346
266	$EV::DIED = sub {	347	$EV::DIED = sub {
267	warn "error in event callback: @_";	348	warn "error in event callback: $@";
268	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
269		355
270	#############################################################################	356	#############################################################################
271		357
272	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
273		359
…		…
294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
295	$d	381	$d
296	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
297	}	383	}
298		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
299	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
300		438
301	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
302		440
303	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
310		448
311	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
312	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
313		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 $_[0]
		495	}
		496
314	=item cf::post_init { BLOCK }	497	=item cf::post_init { BLOCK }
315		498
316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,	499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
317	but I<before> the server starts ticking again.	500	but I<before> the server starts ticking again.
318		501
319	The cdoeblock will have a single boolean argument to indicate whether this	502	The codeblock will have a single boolean argument to indicate whether this
320	is a reload or not.	503	is a reload or not.
321		504
322	=cut	505	=cut
323		506
324	sub post_init(&) {	507	sub post_init(&) {
325	push @POST_INIT, shift;	508	push @POST_INIT, shift;
326	}	509	}
327		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
328	=item cf::lock_wait $string	528	=item cf::lock_wait $string
329		529
330	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
331		531
332	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
333		533
334	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
335	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,
336	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
337	returned.	537	returned.
338		538
339	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
340	deadlocked coro.	540	deadlocked coro.
…		…
346		546
347	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.
348		548
349	=cut	549	=cut
350		550
351	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
352	our %LOCKER;#d#
353		552
354	sub lock_wait($) {	553	sub lock_wait($) {
355	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
356
357	if ($LOCKER{$key} == $Coro::current) {#d#
358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
359	return;#d#
360	}#d#
361
362	# wait for lock, if any
363	while ($LOCK{$key}) {
364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
365	push @{ $LOCK{$key} }, $Coro::current;
366	Coro::schedule;
367	}
368	}	555	}
369		556
370	sub lock_acquire($) {	557	sub lock_acquire($) {
371	my ($key) = @_;	558	$LOCKS->guard ($_[0])
372
373	# wait, to be sure we are not locked
374	lock_wait $key;
375
376	$LOCK{$key} = [];
377	$LOCKER{$key} = $Coro::current;#d#
378
379	Coro::guard {
380	delete $LOCKER{$key};#d#
381	# wake up all waiters, to be on the safe side
382	$_->ready for @{ delete $LOCK{$key} };
383	}
384	}	559	}
385		560
386	sub lock_active($) {	561	sub lock_active($) {
387	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
388
389	! ! $LOCK{$key}
390	}	563	}
391		564
392	sub freeze_mainloop {	565	sub freeze_mainloop {
393	tick_inhibit_inc;	566	tick_inhibit_inc;
394		567
395	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
396	}	569	}
397		570
398	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
399		572
400	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
401	get spread over timer.	574	get spread over time.
402		575
403	=cut	576	=cut
404		577
405	sub periodic($$) {	578	sub periodic($$) {
406	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
410	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
411	}	584	}
412		585
413	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
414		587
415	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
416	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
417	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$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.
418		595
419	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
420	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
421		598
422	Useful for short background jobs.	599	Useful for short background jobs.
423		600
424	=cut	601	=cut
425		602
426	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
427	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
428		606
429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
431	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
432		610
433	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
434		613
435	while () {	614	while () {
436	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
437	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
438	if ($avail > 0.01) {	620
439	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
440	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
441	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
442	$job->[2]->send;	625	$job->[2]->send;
443	Coro::cede;
444	goto next_job;	626	goto next_job;
445	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
446	}	629	}
447	}	630	}
448		631
449	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
450	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
451	push @cf::WAIT_FOR_TICK, $signal;
452	$signal->wait;
453	} else {	634	} else {
		635	$busy = 0;
454	Coro::schedule;	636	Coro::schedule;
455	}	637	}
456	}	638	}
457	};	639	};
458		640
459	sub get_slot($;$$) {	641	sub get_slot($;$$) {
460	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
461		643
462	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
463		645
464	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
465	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
466		649
467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
481	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
482		665
483	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
484		667
485	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
486	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488	acceptable.	671	acceptable.
489		672
490	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
491	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
495	=cut	678	=cut
496		679
497	sub sync_job(&) {	680	sub sync_job(&) {
498	my ($job) = @_;	681	my ($job) = @_;
499		682
500	if ($Coro::current == $Coro::main) {	683	if (in_main) {
501	my $time = EV::time;	684	my $time = AE::time;
502		685
503	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
504	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
505		688
506	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
507		690
508	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
509		692
510	my $busy = 1;	693	my $busy = 1;
511	my @res;	694	my @res;
512		695
513	(async {	696	(async {
514	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
515	@res = eval { $job->() };	698	@res = eval { $job->() };
516	warn $@ if $@;	699	error $@ if $@;
517	undef $busy;	700	undef $busy;
518	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
519		702
520	while ($busy) {	703	while ($busy) {
521	if (Coro::nready) {	704	if (Coro::nready) {
522	Coro::cede_notself;	705	Coro::cede_notself;
523	} else {	706	} else {
524	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
525	}	708	}
526	}	709	}
527		710
528	my $time = EV::time - $time;	711	my $time = AE::time - $time;
529		712
530	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
531		714
532	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
533	} else {	716	} else {
…		…
555	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
556		739
557	$coro	740	$coro
558	}	741	}
559		742
560	=item fork_call { }, $args	743	=item fork_call { }, @args
561		744
562	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
563	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
564	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
565	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
566		749
567	=cut	750	=cut
568		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
569	sub fork_call(&@) {	756	sub fork_call(&@) {
570	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
571		758
572	# we seemingly have to make a local copy of the whole thing,
573	# otherwise perl prematurely frees the stuff :/
574	# TODO: investigate and fix (likely this will be rather laborious)
575
576	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
577	reset_signals;	760	cf::post_fork;
578	&$cb	761	&$cb
579	}, @args;	762	} @args;
580		763
581	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	)
582	}	776	}
583		777
584	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
585		779
586	=cut	780	=cut
…		…
623	within each server.	817	within each server.
624		818
625	=cut	819	=cut
626		820
627	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
628	my ($name) = @_;	825	my ($name) = @_;
629	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
630		827
631	eval {	828	eval {
632	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
642	}	839	}
643		840
644	our $DB;	841	our $DB;
645		842
646	sub db_init {	843	sub db_init {
647	cf::sync_job {
648	$DB ||= db_table "db";	844	$DB ||= db_table "db";
649	};
650	}	845	}
651		846
652	sub db_get($$) {	847	sub db_get($$) {
653	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
654		849
655	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
656	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
657		854
658	$! ? ()	855	$! ? ()
659	: $data	856	: $data
660	}
661	}	857	}
662		858
663	sub db_put($$$) {	859	sub db_put($$$) {
664	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
693		889
694	my @data;	890	my @data;
695	my $md5;	891	my $md5;
696		892
697	for (0 .. $#$src) {	893	for (0 .. $#$src) {
698	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
699	or Carp::croak "$src->[$_]: $!";
700	}	895	}
701		896
702	# if processing is expensive, check	897	# if processing is expensive, check
703	# checksum first	898	# checksum first
704	if (1) {	899	if (1) {
…		…
717		912
718	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
719	}	914	}
720	}	915	}
721		916
722	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
723	my $data = $process->(\@data);	918	my $data = $process->(\@data);
724	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
725		920
726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
727		922
728	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
729	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
730	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
731		926
…		…
741		936
742	=cut	937	=cut
743		938
744	sub datalog($@) {	939	sub datalog($@) {
745	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
747	}	942	}
748		943
749	=back	944	=back
750		945
751	=cut	946	=cut
…		…
946		1141
947	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
948	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
949		1144
950	} elsif (ref $type) {	1145	} elsif (ref $type) {
951	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
952		1147
953	} else {	1148	} else {
954	shift @arg;	1149	shift @arg;
955	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
956	}	1151	}
957	}	1152	}
958	}	1153	}
959		1154
960	sub _object_attach {	1155	sub _object_attach {
…		…
970	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
971	}	1166	}
972		1167
973	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
974	} else {	1169	} else {
975	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
976	}	1171	}
977		1172
978	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
979	}	1174	}
980		1175
…		…
1039		1234
1040	for (@$callbacks) {	1235	for (@$callbacks) {
1041	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1042		1237
1043	if ($@) {	1238	if ($@) {
1044	warn "$@";
1045	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1046	override;	1240	override;
1047	}	1241	}
1048		1242
1049	return 1 if $override;	1243	return 1 if $override;
1050	}	1244	}
…		…
1129	for (@$attach) {	1323	for (@$attach) {
1130	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1131	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1132	}	1326	}
1133	} else {	1327	} else {
1134	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1135	}	1329	}
1136	}	1330	}
1137	}	1331	}
1138		1332
1139	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1166	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1167		1361
1168	sync_job {	1362	sync_job {
1169	if (length $$rdata) {	1363	if (length $$rdata) {
1170	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1171	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1172	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1173		1368
1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1175	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1177	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	}
1178	aio_close $fh;	1376	aio_close $fh;
1179		1377
1180	if (@$objs) {	1378	if (@$objs) {
1181	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) {
1182	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1184	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1185	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	}
1186	aio_close $fh;	1387	aio_close $fh;
1187	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1188	}	1389	}
1189	} else {	1390	} else {
1190	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
…		…
1193	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
1194		1395
1195	$filename =~ s%/[^/]+$%%;	1396	$filename =~ s%/[^/]+$%%;
1196	aio_pathsync $filename if $cf::USE_FSYNC;	1397	aio_pathsync $filename if $cf::USE_FSYNC;
1197	} else {	1398	} else {
1198	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1199	}	1400	}
1200	} else {	1401	} else {
1201	aio_unlink $filename;	1402	aio_unlink $filename;
1202	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1203	}	1404	}
…		…
1227	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1228	$av = $st->{objs};	1429	$av = $st->{objs};
1229	}	1430	}
1230		1431
1231	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1232	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1233	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1234		1436
1235	($data, $av)	1437	($data, $av)
1236	}	1438	}
1237		1439
1238	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1242	=cut	1444	=cut
1243		1445
1244	#############################################################################	1446	#############################################################################
1245	# command handling &c	1447	# command handling &c
1246		1448
1247	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1248		1450
1249	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
1250	$name.	1452	$name.
1251		1453
1252	=cut	1454	=cut
…		…
1258	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1259		1461
1260	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1261	}	1463	}
1262		1464
1263	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1264		1466
1265	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1266	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
1267	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
1268	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
1269	has logged in successfully.	1471	has logged in successfully.
1270		1472
1271	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1272	called.
1273		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
1274	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1275		1481
1276	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1277	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
1278	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
1279	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
1280	log-in.	1486	log-in.
1281		1487
1282	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1283	called.
1284		1489
1285	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1286		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1287	sub register_extcmd {	1497	sub register_extcmd($$) {
1288	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1289		1499
1290	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1291	}	1501	}
1292		1502
1293	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1294	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1295		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1296	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1297	}	1513	}
1298		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
1299	use File::Glob ();	1521	use File::Glob ();
1300		1522
1301	cf::player->attach (	1523	cf::player->attach (
1302	on_command => sub {	1524	on_unknown_command => sub {
1303	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1304		1526
1305	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1306	or return;	1528	or return;
1307		1529
…		…
1315	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1316		1538
1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1318		1540
1319	if (ref $msg) {	1541	if (ref $msg) {
1320	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1321	"ARRAY" eq ref $msg
1322	? @$msg
1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1324		1543
1325	my @reply;
1326
1327	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}) {
1328	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1329	}	1562	}
1330		1563
1331	$pl->ext_reply ($reply, @reply)
1332	if $reply;
1333
1334	} else {	1564	} else {
1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1336	}	1566	}
1337		1567
1338	cf::override;	1568	cf::override;
1339	},	1569	},
1340	);	1570	);
1341		1571
1342	# "readahead" all extensions	1572	# "readahead" all extensions
1343	sub cache_extensions {	1573	sub cache_extensions {
1344	my $grp = IO::AIO::aio_group;	1574	my $grp = IO::AIO::aio_group;
1345		1575
1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {	1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1347	for (grep /\.ext$/, @{$_[0]}) {	1577	for (grep /\.ext$/, @{$_[0]}) {
1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;	1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1349	}	1579	}
1350	};	1580	};
1351		1581
1352	$grp	1582	$grp
1353	}	1583	}
1354		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
1355	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1356	cf::sync_job {	1601	cf::sync_job {
1357	my %todo;	1602	my %todo;
1358		1603
1359	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1360	next unless -r $path;	1605	next unless -r $path;
…		…
1378		1623
1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1381		1626
1382	$ext{source} =	1627	$ext{source} =
1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1384	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1385	. $source	1630	. $source
1386	. "\n};\n1";	1631	. "\n};\n1";
1387		1632
1388	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1389	}	1634	}
1390		1635
		1636	my $pass = 0;
1391	my %done;	1637	my %done;
1392	while (%todo) {	1638	while (%todo) {
1393	my $progress;	1639	my $progress;
1394		1640
		1641	++$pass;
		1642
		1643	ext:
1395	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1396	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1397	goto skip	1646	next ext
1398	unless exists $done{$_};	1647	unless exists $done{$_};
1399	}	1648	}
1400		1649
1401	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1402		1651
1403	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 $@) {
1404	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1405	: "$v->{base}: extension inactive.\n";
1406		1665
1407	if (exists $v->{meta}{mandatory}) {
1408	warn $msg;
1409	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1410	}	1667	if exists $v->{meta}{mandatory};
1411		1668
1412	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;
1413	}	1678	}
1414
1415	$done{$k} = delete $todo{$k};
1416	push @EXTS, $v->{pkg};
1417	$progress = 1;
1418	}	1679	}
1419		1680
1420	skip:	1681	unless ($progress) {
1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1422	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	}
1423	}	1691	}
1424	};	1692	};
1425	}	1693	}
1426		1694
1427	#############################################################################	1695	#############################################################################
…		…
1511	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1512	}	1780	}
1513	}	1781	}
1514	}	1782	}
1515		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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
1516	sub save($) {	1797	sub save($) {
1517	my ($pl) = @_;	1798	my ($pl) = @_;
1518		1799
1519	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1520		1801
…		…
1525		1806
1526	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1527	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1528		1809
1529	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];
1530		1814
1531	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1532	cf::cede_to_tick;	1816	cf::cede_to_tick;
1533	}	1817	}
1534		1818
…		…
1568	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1569		1853
1570	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1571	$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
1572		1856
1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1574	$pl->deactivate;	1858	$pl->deactivate;
		1859
1575	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;
1576	$pl->ob->check_score;
1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1578	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1579		1865
1580	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1581	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1582	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1636	\@logins	1922	\@logins
1637	}	1923	}
1638		1924
1639	=item $player->maps	1925	=item $player->maps
1640		1926
		1927	=item cf::player::maps $login
		1928
1641	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1642	player. May block.	1930	player. May block.
1643		1931
1644	=cut	1932	=cut
1645		1933
…		…
1666		1954
1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1668		1956
1669	Expand deliantra pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1670		1958
1671	=item $player->ext_reply ($msgid, @msg)
1672
1673	Sends an ext reply to the player.
1674
1675	=cut
1676
1677	sub ext_reply($$@) {
1678	my ($self, $id, @msg) = @_;
1679
1680	$self->ns->ext_reply ($id, @msg)
1681	}
1682
1683	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1684		1960
1685	Sends an ext event to the client.	1961	Sends an ext event to the client.
1686		1962
1687	=cut	1963	=cut
…		…
1706		1982
1707	=cut	1983	=cut
1708		1984
1709	sub find_by_path($) {	1985	sub find_by_path($) {
1710	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1711		1989
1712	my ($match, $specificity);	1990	my ($match, $specificity);
1713		1991
1714	for my $region (list) {	1992	for my $region (list) {
1715	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1744	sub generate_random_map {	2022	sub generate_random_map {
1745	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1746		2024
1747	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
1748		2026
1749	# mit "rum" bekleckern, nicht
1750	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1754	$rmp->{exit_on_final_map},
1755	$rmp->{xsize}, $rmp->{ysize},
1756	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1757	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1758	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1759	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1760	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1761	(cf::region::find $rmp->{region}), $rmp->{custom}
1762	)
1763	}	2028	}
1764		2029
1765	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1766		2031
1767	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
…		…
1772		2037
1773	sub register {	2038	sub register {
1774	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1775	my $pkg = caller;	2040	my $pkg = caller;
1776		2041
1777	no strict;
1778	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1779		2043
1780	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1781	}	2045	}
1782		2046
1783	# also paths starting with '/'	2047	# also paths starting with '/'
1784	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1785		2049
1786	sub thawer_merge {	2050	sub thawer_merge {
1787	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1788		2052
1789	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1794	}	2058	}
1795		2059
1796	sub normalise {	2060	sub normalise {
1797	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1798		2062
1799	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1800		2064
1801	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1802		2066
1803	# map plan:	2067	# map plan:
1804	#	2068	#
…		…
1819	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1820	$path = "$base/$path";	2084	$path = "$base/$path";
1821	}	2085	}
1822		2086
1823	for ($path) {	2087	for ($path) {
1824	redo if s{//}{/};
1825	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1826	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1827	}	2090	}
1828		2091
1829	$path	2092	$path
…		…
1843	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1844	return $self;	2107	return $self;
1845	}	2108	}
1846	}	2109	}
1847		2110
1848	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1849	()	2112	()
1850	}	2113	}
1851		2114
		2115	# may re-bless or do other evil things
1852	sub init {	2116	sub init {
1853	my ($self) = @_;	2117	my ($self) = @_;
1854		2118
1855	$self	2119	$self
1856	}	2120	}
…		…
1887		2151
1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1889	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1890	}	2154	}
1891		2155
1892	# and all this just because we cannot iterate over
1893	# all maps in C++...
1894	sub change_all_map_light {
1895	my ($change) = @_;
1896
1897	$_->change_map_light ($change)
1898	for grep $_->outdoor, values %cf::MAP;
1899	}
1900
1901	sub decay_objects {	2156	sub decay_objects {
1902	my ($self) = @_;	2157	my ($self) = @_;
1903		2158
1904	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1905		2160
…		…
1930	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1931		2186
1932	1	2187	1
1933	}	2188	}
1934		2189
		2190	# used to laod the header of an original map
1935	sub load_header_orig {	2191	sub load_header_orig {
1936	my ($self) = @_;	2192	my ($self) = @_;
1937		2193
1938	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1939	}	2195	}
1940		2196
		2197	# used to laod the header of an instantiated map
1941	sub load_header_temp {	2198	sub load_header_temp {
1942	my ($self) = @_;	2199	my ($self) = @_;
1943		2200
1944	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1945	}	2202	}
1946		2203
		2204	# called after loading the header from an instantiated map
1947	sub prepare_temp {	2205	sub prepare_temp {
1948	my ($self) = @_;	2206	my ($self) = @_;
1949		2207
1950	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1951	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1952	# safety	2210	# safety
1953	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1954	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1955	}	2213	}
1956		2214
		2215	# called after loading the header from an original map
1957	sub prepare_orig {	2216	sub prepare_orig {
1958	my ($self) = @_;	2217	my ($self) = @_;
1959		2218
1960	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1961	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1985		2244
1986	sub find;	2245	sub find;
1987	sub find {	2246	sub find {
1988	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1989		2248
		2249	cf::cede_to_tick;
		2250
1990	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1991		2252
1992	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1993	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1994		2255
1995	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1997	my $guard2 = cf::lock_acquire "map_find:$path";
1998
1999	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
2000	or return;	2258	or return;
2001		2259
2002	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
2003		2261
…		…
2015		2273
2016	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
2017	}	2275	}
2018	}	2276	}
2019		2277
2020	sub pre_load { }	2278	sub pre_load { }
2021	sub post_load { }	2279	#sub post_load { } # XS
2022		2280
2023	sub load {	2281	sub load {
2024	my ($self) = @_;	2282	my ($self) = @_;
2025		2283
2026	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2029		2287
2030	{	2288	{
2031	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
2032		2290
2033	return unless $self->valid;	2291	return unless $self->valid;
2034	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
2035
2036	$self->in_memory (cf::MAP_LOADING);
2037		2293
2038	$self->alloc;	2294	$self->alloc;
2039		2295
2040	$self->pre_load;	2296	$self->pre_load;
2041	cf::cede_to_tick;	2297	cf::cede_to_tick;
2042		2298
		2299	if (exists $self->{load_path}) {
2043	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2044	$f->skip_block;	2301	$f->skip_block;
2045	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2046	or return;	2303	or return;
2047		2304
2048	$self->post_load_original	2305	$self->post_load_original
2049	if delete $self->{load_original};	2306	if delete $self->{load_original};
2050		2307
2051	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2052	utf8::encode $uniq;	2309	utf8::encode $uniq;
2053	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2054	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2055	$self->clear_unique_items;	2312	$self->clear_unique_items;
2056	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2057	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2058	}	2316	}
2059	}	2317	}
2060	}
2061		2318
2062	$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);
2063		2326
2064	cf::cede_to_tick;	2327	cf::cede_to_tick;
2065	# now do the right thing for maps	2328	# now do the right thing for maps
2066	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2067	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2071	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2072	$self->decay_objects;	2335	$self->decay_objects;
2073	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2074	$self->update_buttons;	2337	$self->update_buttons;
2075	cf::cede_to_tick;	2338	cf::cede_to_tick;
2076	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2077	cf::cede_to_tick;
2078	$self->activate;
2079	}	2340	}
2080		2341
2081	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2082	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2083
2084	$self->in_memory (cf::MAP_ACTIVE);
2085	}	2344	}
2086		2345
2087	$self->post_load;	2346	$self->post_load;
2088	}
2089		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2090	sub customise_for {	2354	sub customise_for {
2091	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2092		2356
2093	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2094	if $self->per_player;	2358	if $self->per_player;
…		…
2097	# if $self->per_party;	2361	# if $self->per_party;
2098		2362
2099	$self	2363	$self
2100	}	2364	}
2101		2365
2102	# find and load all maps in the 3x3 area around a map
2103	sub load_neighbours {
2104	my ($map) = @_;
2105
2106	my @neigh; # diagonal neighbours
2107
2108	for (0 .. 3) {
2109	my $neigh = $map->tile_path ($_)
2110	or next;
2111	$neigh = find $neigh, $map
2112	or next;
2113	$neigh->load;
2114
2115	push @neigh,
2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2118	}
2119
2120	for (grep defined $_->[0], @neigh) {
2121	my ($path, $origin) = @$_;
2122	my $neigh = find $path, $origin
2123	or next;
2124	$neigh->load;
2125	}
2126	}
2127
2128	sub find_sync {	2366	sub find_sync {
2129	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2130		2368
2131	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, $origin
2132	}	2374	}
2133		2375
2134	sub do_load_sync {	2376	sub do_load_sync {
2135	my ($map) = @_;	2377	my ($map) = @_;
2136		2378
		2379	# it's a bug to call this from the main context
2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2138	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2139		2382
2140	cf::sync_job { $map->load };	2383	$map->load;
2141	}	2384	}
2142		2385
2143	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2144	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2145		2388
2146	sub find_async {	2389	sub find_async {
2147	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2148		2391
2149	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2150		2393
2151	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2153	}	2396	}
2154		2397
2155	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2156		2399
2157	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2158	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2159		2402
2160	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2161	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2162	if (my $map = find $k) {	2405	if (my $map = find $k) {
2163	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2164	}	2407	}
2165		2408
2166	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2167	}	2410	}
2168	}	2411	}
…		…
2171	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2172		2415
2173	()	2416	()
2174	}	2417	}
2175		2418
		2419	# common code, used by both ->save and ->swapout
2176	sub save {	2420	sub _save {
2177	my ($self) = @_;	2421	my ($self) = @_;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2422
2181	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2182		2424
2183	return unless $self->dirty;	2425	return unless $self->dirty;
2184		2426
…		…
2204	} else {	2446	} else {
2205	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2206	}	2448	}
2207	}	2449	}
2208		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2209	sub swap_out {	2459	sub swap_out {
2210	my ($self) = @_;	2460	my ($self) = @_;
2211		2461
2212	# save first because save cedes
2213	$self->save;
2214
2215	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2216		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2217	return if $self->players;	2466	return if $self->players;
2218	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
2219	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2220		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
2221	$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};
2222		2518
2223	$self->deactivate;	2519	$self->deactivate;
2224	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2225	$self->clear;	2521	$self->clear;
2226	}
2227
2228	sub reset_at {
2229	my ($self) = @_;
2230
2231	# TODO: safety, remove and allow resettable per-player maps
2232	return 1e99 if $self->{deny_reset};
2233
2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2236
2237	$time + $to
2238	}
2239
2240	sub should_reset {
2241	my ($self) = @_;
2242
2243	$self->reset_at <= $cf::RUNTIME
2244	}
2245
2246	sub reset {
2247	my ($self) = @_;
2248
2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
2250
2251	return if $self->players;
2252
2253	warn "resetting map ", $self->path;
2254
2255	$self->in_memory (cf::MAP_SWAPPED);
2256
2257	# need to save uniques path
2258	unless ($self->{deny_save}) {
2259	my $uniq = $self->uniq_path; utf8::encode $uniq;
2260
2261	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2262	if $uniq;
2263	}
2264
2265	delete $cf::MAP{$self->path};
2266
2267	$self->deactivate;
2268	$_->clear_links_to ($self) for values %cf::MAP;
2269	$self->clear;
2270		2522
2271	$self->unlink_save;	2523	$self->unlink_save;
2272	$self->destroy;	2524	$self->destroy;
2273	}	2525	}
2274		2526
…		…
2282		2534
2283	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2284		2536
2285	$self->unlink_save;	2537	$self->unlink_save;
2286		2538
2287	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2288	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2289	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2290	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2292		2544
…		…
2349	: normalise $_	2601	: normalise $_
2350	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2351	]	2603	]
2352	}	2604	}
2353		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
2354	=back	2638	=back
2355		2639
2356	=head3 cf::object	2640	=head3 cf::object
2357		2641
2358	=cut	2642	=cut
…		…
2381		2665
2382	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.
2383		2667
2384	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2385		2669
2386	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,
2387	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2388		2672
2389	=cut	2673	=cut
2390		2674
2391	sub deref {	2675	sub deref {
…		…
2423		2707
2424	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2425	id => "say",	2709	id => "say",
2426	title => "Map",	2710	title => "Map",
2427	reply => "say ",	2711	reply => "say ",
2428	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.",
2429	};	2713	};
2430		2714
2431	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2432	id => "chat",	2716	id => "chat",
2433	title => "Chat",	2717	title => "Chat",
…		…
2473	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2474		2758
2475	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2476	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2477		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2478	=cut	2787	=cut
2479		2788
2480	sub cf::object::player::may {	2789	sub cf::object::player::may {
2481	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2482		2791
2483	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2484	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2485	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2486	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2487	}	2796	}
2488		2797
2489	=item $player_object->enter_link	2798	=item $player_object->enter_link
2490		2799
2491	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}>).
2492		2801
2493	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.
2494	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,
2495	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
2496	map.	2805	map.
2497		2806
2498	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.
2499		2814
2500	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2501		2816
2502	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2503	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2521	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2522	my ($self) = @_;	2837	my ($self) = @_;
2523		2838
2524	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2525		2840
		2841	++$self->{_link_recursion};
		2842
2526	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2527		2844
2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2529	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2530		2847
2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2532	}	2849	}
2533		2850
2534	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2535	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2536		2853
…		…
2553	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2554	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2555		2872
2556	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2557	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2558	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2559		2876
2560	$map->load;	2877	$map->load;
2561	$map->load_neighbours;
2562		2878
2563	return unless $self->contr->active;	2879	return unless $self->contr->active;
2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2565	$self->activate_recursive;
2566		2880
2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2568	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2569	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2570		2888
		2889	}
		2890
2571	=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)]])
2572		2892
2573	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
2574	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2575	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
2576	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
…		…
2583		2903
2584	our $GOTOGEN;	2904	our $GOTOGEN;
2585		2905
2586	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2587	my ($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	}
2588		2914
2589	# 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
2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2591		2917
2592	$self->enter_link;	2918	$self->enter_link;
…		…
2612	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2613	}	2939	}
2614	}	2940	}
2615		2941
2616	my $map = eval {	2942	my $map = eval {
2617	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2618		2944
2619	if ($map) {	2945	if ($map) {
2620	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2621	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2622	} else {	2948	} else {
2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2624	}	2950	}
2625		2951
2626	$map	2952	$map
…		…
2634	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2635	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2636	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2637	}	2963	}
2638		2964
2639	$done->() if $done;	2965	$done->($self) if $done;
2640	})->prio (1);	2966	})->prio (1);
2641	}	2967	}
2642		2968
2643	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2644		2970
…		…
2712	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2713		3039
2714	unless (eval {	3040	unless (eval {
2715	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2716		3042
2717	# random map handling
2718	{
2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
2720
2721	prepare_random_map $exit
2722	if $exit->slaying eq "/!";
2723	}
2724
2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2726	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2727	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	}
2728		3069
2729	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2730		3071
2731	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2732	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
…		…
2737	$self->message ("Something went wrong deep within the deliantra server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2738	. "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. "
2739	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2740	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2741		3082
2742	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2743	$self->leave_link;	3084	$self->leave_link;
2744	}	3085	}
2745	})->prio (1);	3086	})->prio (1);
2746	}	3087	}
2747		3088
2748	=head3 cf::client	3089	=head3 cf::client
2749		3090
2750	=over 4	3091	=over 4
2751		3092
2752	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2753		3094
2754	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2755	should not be used under normal circumstances.	3096	them as required.
2756		3097
2757	=cut	3098	=cut
2758		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2759	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2760	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2761		3104
2762	utf8::encode $text;	3105	# try lzf for large packets
2763	$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);
2764	}	3116	}
2765		3117
2766	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2767		3119
2768	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2769	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2770	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2771	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2772		3124
2773	=cut	3125	=cut
2774		3126
2775	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2776	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	},
2777	"c/identify" => {	3135	"c/identify" => {
2778	id => "infobox",	3136	id => "infobox",
2779	title => "Identify",	3137	title => "Identify",
2780	reply => undef,	3138	reply => undef,
2781	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2783	"c/examine" => {	3141	"c/examine" => {
2784	id => "infobox",	3142	id => "infobox",
2785	title => "Examine",	3143	title => "Examine",
2786	reply => undef,	3144	reply => undef,
2787	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",
2788	},	3152	},
2789	"c/book" => {	3153	"c/book" => {
2790	id => "infobox",	3154	id => "infobox",
2791	title => "Book",	3155	title => "Book",
2792	reply => undef,	3156	reply => undef,
…		…
2808	id => "infobox",	3172	id => "infobox",
2809	title => "Body Parts",	3173	title => "Body Parts",
2810	reply => undef,	3174	reply => undef,
2811	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you posess and are available",
2812	},	3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
2813	"c/skills" => {	3183	"c/skills" => {
2814	id => "infobox",	3184	id => "infobox",
2815	title => "Skills",	3185	title => "Skills",
2816	reply => undef,	3186	reply => undef,
2817	tooltip => "Shows your experience per skill and item power",	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",
2818	},	3212	},
2819	"c/uptime" => {	3213	"c/uptime" => {
2820	id => "infobox",	3214	id => "infobox",
2821	title => "Uptime",	3215	title => "Uptime",
2822	reply => undef,	3216	reply => undef,
…		…
2832	id => "party",	3226	id => "party",
2833	title => "Party",	3227	title => "Party",
2834	reply => "gsay ",	3228	reply => "gsay ",
2835	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2836	},	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" => $CHAT_CHANNEL,
2837	);	3245	);
2838		3246
2839	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2841		3249
…		…
2846		3254
2847	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2848	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2849	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2850		3258
2851	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2852	if $self->can_msg;
2853
2854	$channel = $channel->{id};	3260	$channel = $channel->{id};
2855		3261
2856	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2857	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2858	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2859	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2860	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2861	if $self->can_msg;
2862	}	3267	}
2863		3268
2864	$channel = $channel->{id};	3269	$channel = $channel->{id};
2865	}	3270	}
2866		3271
2867	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2868		3273
2869	if ($self->can_msg) {
2870	# default colour, mask it out	3274	# default colour, mask it out
2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2872	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2873		3277
2874	my $pkt = "msg "	3278	my $pkt = "msg "
2875	. $self->{json_coder}->encode (	3279	. $self->{json_coder}->encode (
2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2877	);	3281	);
2878		3282
2879	# try lzf for large packets
2880	$pkt = "lzf " . Compress::LZF::compress $pkt
2881	if 1024 <= length $pkt and $self->{can_lzf};
2882
2883	# split very large packets
2884	if (8192 < length $pkt and $self->{can_lzf}) {
2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2886	$pkt = "frag";
2887	}
2888
2889	$self->send_packet ($pkt);	3283	$self->send_big_packet ($pkt);
2890	} else {
2891	if ($color >= 0) {
2892	# replace some tags by gcfclient-compatible ones
2893	for ($msg) {
2894	1 while
2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2900	}
2901
2902	$color &= cf::NDI_COLOR_MASK;
2903
2904	utf8::encode $msg;
2905
2906	if (0 && $msg =~ /\[/) {
2907	# COMMAND/INFO
2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
2909	} else {
2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2911	$self->send_packet ("drawinfo $color $msg")
2912	}
2913	}
2914	}
2915	}	3284	}
2916		3285
2917	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2918		3287
2919	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2921	=cut	3290	=cut
2922		3291
2923	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2924	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2925		3294
2926	if ($self->extcmd == 2) {
2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2928	} elsif ($self->extcmd == 1) { # TODO: remove
2929	push @msg, msgtype => "event_$type";
2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2931	}
2932	}
2933
2934	=item $client->ext_reply ($msgid, @msg)
2935
2936	Sends an ext reply to the client.
2937
2938	=cut
2939
2940	sub cf::client::ext_reply($$@) {
2941	my ($self, $id, @msg) = @_;
2942
2943	if ($self->extcmd == 2) {
2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2945	} elsif ($self->extcmd == 1) {
2946	#TODO: version 1, remove
2947	unshift @msg, msgtype => "reply", msgid => $id;
2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949	}
2950	}	3296	}
2951		3297
2952	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2953		3299
2954	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2974		3320
2975	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2976	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2977		3323
2978	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;
2979	}	3364	}
2980		3365
2981	cf::client->attach (	3366	cf::client->attach (
2982	on_connect => sub {	3367	on_connect => sub {
2983	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
3009	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
3010		3395
3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3012		3397
3013	if (ref $msg) {	3398	if (ref $msg) {
3014	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3015	"ARRAY" eq ref $msg
3016	? @$msg
3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3018		3400
3019	my @reply;
3020
3021	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}) {
3022	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
3023	}	3419	}
3024
3025	$ns->ext_reply ($reply, @reply)
3026	if $reply;
3027
3028	} else {	3420	} else {
3029	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";
3030	}	3422	}
3031		3423
3032	cf::override;	3424	cf::override;
3033	},	3425	},
3034	);	3426	);
…		…
3054		3446
3055	$coro	3447	$coro
3056	}	3448	}
3057		3449
3058	cf::client->attach (	3450	cf::client->attach (
3059	on_destroy => sub {	3451	on_client_destroy => sub {
3060	my ($ns) = @_;	3452	my ($ns) = @_;
3061		3453
3062	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3063	},	3455	},
3064	);	3456	);
…		…
3080	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3081		3473
3082	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3083		3475
3084	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3085	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3086	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3087	sort time	3479	sort time
3088	));	3480	));
3089		3481
3090	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3094	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3095		3487
3096	cf::object	3488	cf::object
3097	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
3098	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3099		3492
3100	cf::object::player	3493	cf::object::player
3101	player	3494	player
3102		3495
3103	cf::player	3496	cf::player
…		…
3109	=cut	3502	=cut
3110		3503
3111	for (	3504	for (
3112	["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
3113	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3114	decrease split destroy change_exp)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3115	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3116	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3117	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3118	) {	3511	) {
3119	no strict 'refs';
3120	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3121	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3122	for @funs;	3514	for @funs;
3123	}	3515	}
3124		3516
…		…
3139		3531
3140	my $qcode = $code;	3532	my $qcode = $code;
3141	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3142	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3143		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3144	local $_;	3539	local $_;
3145	local @safe::cf::_safe_eval_args = values %vars;
3146		3540
3147	my $eval =	3541	my $eval =
3148	"do {\n"	3542	"do {\n"
3149	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3150	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3151	. $code	3545	. $code
3152	. "\n}"	3546	. "\n}"
3153	;	3547	;
3154		3548
		3549	if ($CFG{safe_eval}) {
3155	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3156	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3157	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	}
3158		3558
3159	if ($@) {	3559	if ($@) {
3160	warn "$@";	3560	warn "$@",
3161	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3162	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3163	}	3563	}
3164		3564
3165	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3166	}	3566	}
3167		3567
…		…
3181	=cut	3581	=cut
3182		3582
3183	sub register_script_function {	3583	sub register_script_function {
3184	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3185		3585
3186	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3187	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3188	}	3588	}
3189		3589
3190	=back	3590	=back
3191		3591
3192	=cut	3592	=cut
3193		3593
3194	#############################################################################	3594	#############################################################################
3195	# the server's init and main functions	3595	# the server's init and main functions
3196		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3197	sub load_facedata($) {	3674	sub load_facedata($) {
3198	my ($path) = @_;	3675	my ($path) = @_;
3199		3676
3200	# HACK to clear player env face cache, we need some signal framework
3201	# for this (global event?)
3202	%ext::player_env::MUSIC_FACE_CACHE = ();
3203
3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3205		3678
3206	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3207		3680
3208	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3209	0 < aio_load $path, $facedata
3210	or die "$path: $!";
3211
3212	$facedata = Coro::Storable::thaw $facedata;
3213		3682
3214	$facedata->{version} == 2	3683	$facedata->{version} == 2
3215	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3216		3685
3217	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3218	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3219	type => FT_RSRC,	3688
3220	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
3221	};	3690
3222	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3223		3694
3224	{	3695	{
3225	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3226		3697
3227	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3229		3701
3230	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3231	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3232	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};
3233	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};
3234		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3235	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3236	}	3709	}
3237		3710
3238	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3239	next unless $info->{smooth};	3712	next unless $info->{smooth};
3240		3713
…		…
3243		3716
3244	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3245	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3247	} else {	3720	} else {
3248	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3249	}	3722	}
3250
3251	cf::cede_to_tick;
3252	}	3723	}
3253	}	3724	}
3254		3725
3255	{	3726	{
3256	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3257		3728
3258	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3259	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3260	cf::cede_to_tick;
3261	}	3731	}
3262		3732
3263	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3264	}	3734	}
3265		3735
3266	{	3736	{
3267	# TODO: for gcfclient pleasure, we should give resources
3268	# that gcfclient doesn't grok a >10000 face index.
3269	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3270		3738
3271	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3272	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
3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3274	my $data;
3275		3743
3276	if ($info->{type} & 1) {
3277	# prepend meta info
3278
3279	my $meta = $enc->encode ({
3280	name => $name,
3281	%{ $info->{meta} || {} },
3282	});
3283
3284	$data = pack "(w/a*)*", $meta, $info->{data};
3285	} else {
3286	$data = $info->{data};
3287	}
3288
3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3290	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;
3291	} else {	3750	} else {
3292	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3293	}	3752	}
3294
3295	cf::cede_to_tick;
3296	}	3753	}
3297	}	3754	}
		3755
		3756	($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;
3298		3765
3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3300		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3301	1	3770	1
3302	}	3771	}
3303
3304	cf::global->attach (on_resource_update => sub {
3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3307
3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3309	my $sound = $soundconf->{compat}[$_]
3310	or next;
3311
3312	my $face = cf::face::find "sound/$sound->[1]";
3313	cf::sound::set $sound->[0] => $face;
3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3315	}
3316
3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
3318	my $face = cf::face::find "sound/$v";
3319	cf::sound::set $k => $face;
3320	}
3321	}
3322	});
3323		3772
3324	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3325	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3326		3775
3327	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3335	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3336	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3337	cf::arch::commit_load;	3786	cf::arch::commit_load;
3338		3787
3339	$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;
3340	}	3803	}
3341		3804
3342	sub reload_regions {	3805	sub reload_regions {
3343	# 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
3344	# for this (global event?)	3807	# for this (global event?)
…		…
3352	if exists $_->{match};	3815	if exists $_->{match};
3353	}	3816	}
3354	}	3817	}
3355		3818
3356	sub reload_facedata {	3819	sub reload_facedata {
3357	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3358	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3359	}	3822	}
3360		3823
3361	sub reload_archetypes {	3824	sub reload_archetypes {
3362	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3363	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3364	}	3853	}
3365		3854
3366	sub reload_treasures {	3855	sub reload_treasures {
3367	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3368	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3369	}	3858	}
3370		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
3371	sub reload_resources {	3880	sub reload_resources {
3372	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3373		3882
		3883	reload_materials;
3374	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3375	reload_archetypes;	3887	reload_archetypes;
3376	reload_regions;	3888	reload_regions;
3377	reload_treasures;	3889	reload_treasures;
3378		3890
3379	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3380	}	3892	}
3381		3893
3382	sub reload_config {	3894	sub reload_config {
3383	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3384	or return;
3385		3896
3386	local $/;	3897	my $config = load_file "$CONFDIR/config";
3387	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3388		3900
3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3390		3902
3391	$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};
3392	$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};
3393		3905
3394	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3417		3929
3418	seek $fh, 0, 0;	3930	seek $fh, 0, 0;
3419	print $fh $$;	3931	print $fh $$;
3420	}	3932	}
3421		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
3422	sub main {	3943	sub main {
3423	cf::init_globals; # initialise logging	3944	cf::init_globals; # initialise logging
3424		3945
3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;	3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";	3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";	3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";	3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3429		3950
3430	cf::init_experience;
3431	cf::init_anim;
3432	cf::init_attackmess;
3433	cf::init_dynamic;
3434	cf::init_block;
3435
3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3437		3952
3438	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3439	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3440	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#
3441	(async {	3956	(async {
3442	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3443	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3444	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3445	};	3960	};
3446		3961
3447	evthread_start IO::AIO::poll_fileno;	3962	evthread_start IO::AIO::poll_fileno;
3448		3963
3449	cf::sync_job {	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
3450	reload_resources;	3975	reload_resources;
3451	reload_config;	3976	reload_config;
3452	db_init;
3453		3977
3454	cf::load_settings;
3455	cf::load_materials;
3456	cf::init_uuid;	3978	cf::init_uuid;
3457	cf::init_signals;	3979	cf::init_signals;
3458	cf::init_commands;
3459	cf::init_skills;	3980	cf::init_skills;
3460		3981
3461	cf::init_beforeplay;	3982	cf::init_beforeplay;
3462		3983
3463	atomic;	3984	atomic;
…		…
3465	load_extensions;	3986	load_extensions;
3466		3987
3467	utime time, time, $RUNTIMEFILE;	3988	utime time, time, $RUNTIMEFILE;
3468		3989
3469	# no (long-running) fork's whatsoever before this point(!)	3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
3470	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};
3471		3993
3472	(pop @POST_INIT)->(0) while @POST_INIT;	3994	cf::_post_init 0;
3473	};	3995	};
3474		3996
3475	EV::loop;	3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
3476	}	4005	}
3477		4006
3478	#############################################################################	4007	#############################################################################
3479	# initialisation and cleanup	4008	# initialisation and cleanup
3480		4009
3481	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3482	BEGIN {	4011	BEGIN {
3483	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3484	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3486	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3487	};	4016	};
3488	}	4017	}
3489	}	4018	}
3490		4019
3491	sub write_runtime_sync {	4020	sub write_runtime_sync {
		4021	my $t0 = AE::time;
		4022
3492	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3493	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3494		4025
3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3496		4027
3497	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3498		4029
3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3500	or return;	4031	or return;
3501		4032
3502	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3503	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3504	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3517	or return;	4048	or return;
3518		4049
3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3520	and return;	4051	and return;
3521		4052
3522	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3523		4054
3524	1	4055	1
3525	}	4056	}
3526		4057
3527	our $uuid_lock;	4058	our $uuid_lock;
…		…
3539	or return;	4070	or return;
3540		4071
3541	my $value = uuid_seq uuid_cur;	4072	my $value = uuid_seq uuid_cur;
3542		4073
3543	unless ($value) {	4074	unless ($value) {
3544	warn "cowardly refusing to write zero uuid value!\n";	4075	info "cowardly refusing to write zero uuid value!\n";
3545	return;	4076	return;
3546	}	4077	}
3547		4078
3548	my $value = uuid_str $value + $uuid_skip;	4079	my $value = uuid_str $value + $uuid_skip;
3549	$uuid_skip = 0;	4080	$uuid_skip = 0;
…		…
3559	or return;	4090	or return;
3560		4091
3561	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3562	and return;	4093	and return;
3563		4094
3564	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3565		4096
3566	1	4097	1
3567		4098
3568	}	4099	}
3569		4100
…		…
3575	}	4106	}
3576		4107
3577	sub emergency_save() {	4108	sub emergency_save() {
3578	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3579		4110
3580	warn "emergency_perl_save: enter\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;
3581		4117
3582	cf::sync_job {	4118	cf::sync_job {
3583	# this is a trade-off: we want to be very quick here, so	4119	cf::write_runtime_sync; # external watchdog should not bark
3584	# save all maps without fsync, and later call a global sync
3585	# (which in turn might be very very slow)
3586	local $USE_FSYNC = 0;
3587		4120
3588	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3589	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3590	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3591	warn "emergency_perl_save: begin player save\n";	4124	info "emergency_perl_save: begin player save\n";
3592	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3593	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3594	$pl->valid or next;	4127	$pl->valid or next;
3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3596	$pl->save;	4129	$pl->save;
3597	}	4130	}
3598	warn "emergency_perl_save: end player save\n";	4131	info "emergency_perl_save: end player save\n";
3599		4132
		4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
3600	warn "emergency_perl_save: begin map save\n";	4135	info "emergency_perl_save: begin map save\n";
3601	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3602	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3603	$map->valid or next;	4138	$map->valid or next;
3604	$map->save;	4139	$map->save;
3605	}	4140	}
3606	warn "emergency_perl_save: end map save\n";	4141	info "emergency_perl_save: end map save\n";
3607		4142
		4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
3608	warn "emergency_perl_save: begin database checkpoint\n";	4145	info "emergency_perl_save: begin database checkpoint\n";
3609	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3610	warn "emergency_perl_save: end database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3611		4148
3612	warn "emergency_perl_save: begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3613	write_uuid_sync 1;	4150	write_uuid_sync 1;
3614	warn "emergency_perl_save: 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 $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3615	};	4171	};
3616		4172
3617	warn "emergency_perl_save: starting sync()\n";
3618	IO::AIO::aio_sync sub {
3619	warn "emergency_perl_save: finished sync()\n";
3620	};
3621
3622	warn "emergency_perl_save: leave\n";	4173	info "emergency_perl_save: leave\n";
3623	}	4174	}
3624		4175
3625	sub post_cleanup {	4176	sub post_cleanup {
3626	my ($make_core) = @_;	4177	my ($make_core) = @_;
3627		4178
		4179	IO::AIO::flush;
		4180
3628	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3629	if $make_core;	4182	if $make_core;
3630		4183
3631	my $fh = pidfile;	4184	my $fh = pidfile;
3632	unlink $PIDFILE if <$fh> == $$;	4185	unlink $PIDFILE if <$fh> == $$;
3633	}	4186	}
…		…
3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3654	for my $name (keys %$leaf_symtab) {	4207	for my $name (keys %$leaf_symtab) {
3655	_gv_clear *{"$pkg$name"};	4208	_gv_clear *{"$pkg$name"};
3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3657	}	4210	}
3658	warn "cleared package $pkg\n";#d#
3659	}	4211	}
3660		4212
3661	sub do_reload_perl() {	4213	sub do_reload_perl() {
3662	# can/must only be called in main	4214	# can/must only be called in main
3663	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3664	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3665	return;	4217	return;
3666	}	4218	}
3667		4219
3668	return if $RELOAD++;	4220	return if $RELOAD++;
3669		4221
3670	my $t1 = EV::time;	4222	my $t1 = AE::time;
3671		4223
3672	while ($RELOAD) {	4224	while ($RELOAD) {
3673	warn "reloading...";	4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
3674		4227
3675	warn "entering sync_job";	4228	trace "perl_reload: entering sync_job";
3676		4229
3677	cf::sync_job {	4230	cf::sync_job {
3678	cf::write_runtime_sync; # external watchdog should not bark
3679	cf::emergency_save;	4231	#cf::emergency_save;
3680	cf::write_runtime_sync; # external watchdog should not bark
3681		4232
3682	warn "syncing database to disk";
3683	BDB::db_env_txn_checkpoint $DB_ENV;
3684
3685	# if anything goes wrong in here, we should simply crash as we already saved
3686
3687	warn "flushing outstanding aio requests";
3688	while (IO::AIO::nreqs || BDB::nreqs) {
3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3690	}
3691
3692	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3693	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3694	%EXT_CORO = ();	4235	%EXT_CORO = ();
3695		4236
3696	warn "removing commands";	4237	trace "perl_reload: removing commands";
3697	%COMMAND = ();	4238	%COMMAND = ();
3698		4239
3699	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3700	%EXTCMD = ();	4241	%EXTCMD = ();
3701	%EXTICMD = ();	4242	%EXTICMD = ();
3702		4243
3703	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3704	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3705	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3706		4247
3707	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3708	eval {	4249	eval {
3709	$cb->($pkg);	4250	$cb->($pkg);
3710	1	4251	1
3711	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
3712	}	4253	}
3713		4254
3714	warn "... clearing $pkg";	4255	trace "... clearing $pkg";
3715	clear_package $pkg;	4256	clear_package $pkg;
3716	}	4257	}
3717		4258
3718	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3719	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3721		4262
3722	warn "... unloading $k";	4263	trace "... unloading $k";
3723	delete $INC{$k};	4264	delete $INC{$k};
3724		4265
3725	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3726	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3727		4268
…		…
3730	}	4271	}
3731		4272
3732	clear_package $k;	4273	clear_package $k;
3733	}	4274	}
3734		4275
3735	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3736	clear_package "safe::$_"	4277	clear_package "safe::$_"
3737	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);
3738		4279
3739	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3740	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3741	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3742		4283
3743	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3744	# and global variables created in xs	4285	# and global variables created in xs
3745	#clear_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3746		4287
3747	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3748		4289
3749	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3750	require cf;	4291	require cf;
3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3752		4293
3753	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3754	cf::reload_config;	4295	cf::reload_config;
3755		4296
3756	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3757	cf::load_extensions;	4298	cf::load_extensions;
3758		4299
3759	if ($REATTACH_ON_RELOAD) {	4300	if ($REATTACH_ON_RELOAD) {
3760	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3761	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3762	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3763	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3764	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3765	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
3766	}	4307	}
3767		4308
3768	warn "running post_init jobs";	4309	cf::_post_init 1;
3769	(pop @POST_INIT)->(1) while @POST_INIT;
3770		4310
3771	warn "leaving sync_job";	4311	trace "perl_reload: leaving sync_job";
3772		4312
3773	1	4313	1
3774	} or do {	4314	} or do {
3775	warn $@;	4315	error $@;
3776	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3777	};	4317	};
3778		4318
3779	warn "reloaded";
3780	--$RELOAD;	4319	--$RELOAD;
3781	}	4320	}
3782		4321
3783	$t1 = EV::time - $t1;	4322	$t1 = AE::time - $t1;
3784	warn "reload completed in ${t1}s\n";	4323	info "perl_reload: completed in ${t1}s\n";
3785	};	4324	};
3786		4325
3787	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3788		4327
3789	sub reload_perl() {	4328	sub reload_perl() {
…		…
3791	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3792		4331
3793	$RELOAD_WATCHER ||= cf::async {	4332	$RELOAD_WATCHER ||= cf::async {
3794	Coro::AIO::aio_wait cache_extensions;	4333	Coro::AIO::aio_wait cache_extensions;
3795		4334
3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3797	do_reload_perl;	4336	do_reload_perl;
3798	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3799	};	4338	};
3800	};	4339	};
3801	}	4340	}
…		…
3810	reload_perl;	4349	reload_perl;
3811	};	4350	};
3812	}	4351	}
3813	};	4352	};
3814		4353
3815	unshift @INC, $LIBDIR;	4354	#############################################################################
3816		4355
3817	my $bug_warning = 0;	4356	my $bug_warning = 0;
3818		4357
3819	our @WAIT_FOR_TICK;
3820	our @WAIT_FOR_TICK_BEGIN;
3821
3822	sub wait_for_tick {	4358	sub wait_for_tick() {
3823	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3824		4360
3825	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3826	push @WAIT_FOR_TICK, $signal;
3827	$signal->wait;
3828	}	4362	}
3829		4363
3830	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3831	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3832		4366
3833	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3834	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3835	$signal->wait;	4369	$signal->wait;
3836	}	4370	}
…		…
3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3841	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3842	return;	4376	return;
3843	}	4377	}
3844		4378
3845	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3846		4382
3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3848	$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.;
3849	Coro::async_pool {	4385	Coro::async_pool {
3850	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3851	write_runtime_sync	4387	write_runtime_sync
3852	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3853	};	4389	};
3854	}	4390	}
3855		4391
3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3857	$sig->send;	4393	$sig->send;
3858	}	4394	}
3859	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3860	$sig->send;
3861	}
3862		4396
3863	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3865		4399
3866	if (0) {	4400	if (0) {
3867	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3868	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3870	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3871	}	4405	}
3872	}	4406	}
3873	}	4407	}
3874		4408
3875	{	4409	{
3876	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3877		4412
3878	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3879	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3880	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3881		4416
3882	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3883	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3885	$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;
…		…
3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3911	};	4446	};
3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3914	};	4449	};
		4450
		4451	info "database initialised";
3915	}	4452	}
3916		4453
3917	{	4454	{
3918	# configure IO::AIO	4455	# configure IO::AIO
3919		4456
		4457	info "initialising aio";
3920	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3921	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3922	undef $AnyEvent::AIO::WATCHER;	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3923	}	4462	}
3924		4463
3925	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3926		4466
3927	sub _log_backtrace {	4467	sub _log_backtrace {
3928	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3929		4469
3930	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3931		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3932	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3933	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3934	++$_log_backtrace;	4478	++$_log_backtrace;
3935	my $perl_bt = Carp::longmess $msg;	4479	my $perl_bt = Carp::longmess $msg;
3936	async {	4480	async {
3937	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3938		4482
…		…
3958	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3959	--$_log_backtrace;	4503	--$_log_backtrace;
3960	};	4504	};
3961	} else {	4505	} else {
3962	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3963	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3964	}	4508	}
3965	}	4509	}
3966		4510
3967	# load additional modules	4511	# load additional modules
3968	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3969		4514
3970	END { cf::emergency_save }	4515	END { cf::emergency_save }
3971		4516
3972	1	4517	1
3973		4518

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