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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.449 by root, Sat Sep 20 00:09:27 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	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
…		…
127		153
128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
129	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
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
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
132		166
133	binmode STDOUT;	167	binmode STDOUT;
134	binmode STDERR;	168	binmode STDERR;
135		169
136	# read virtual server time, if available	170	# read virtual server time, if available
…		…
138	open my $fh, "<", $RUNTIMEFILE	172	open my $fh, "<", $RUNTIMEFILE
139	or die "unable to read $RUNTIMEFILE file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
140	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
141	}	175	}
142		176
		177	eval "sub TICK() { $TICK } 1" or die;
		178
143	mkdir $_	179	mkdir $_
144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
145		181
146	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
147		183
148	sub cf::map::normalise;	184	sub cf::map::normalise;
149		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
150	#############################################################################	190	#############################################################################
151		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
152	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
153		204
154	=over 4	205	=over 4
155		206
156	=item $cf::UPTIME	207	=item $cf::UPTIME
157		208
158	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.
159		225
160	=item $cf::RUNTIME	226	=item $cf::RUNTIME
161		227
162	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
163	every server tick.	229	every server tick.
164		230
165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
168		234
169	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
172	database environment.	238	database environment.
173		239
174	=item $cf::NOW
175
176	The time of the last (current) server tick.
177
178	=item $cf::TICK
179
180	The interval between server ticks, in seconds.
181
182	=item $cf::LOADAVG	240	=item $cf::LOADAVG
183		241
184	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
185	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
186	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
195	from wherever your confdir points to.	253	from wherever your confdir points to.
196		254
197	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
198		256
199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
200	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
202		278
203	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
204		280
205	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
206	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
207	that call.	283	that call.
208		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
209	=back	291	=back
210		292
211	=cut	293	=cut
212		294
213	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
214	*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 {
215	my $msg = join "", @_;	302	my $msg = join "", @_;
216		303
217	$msg .= "\n"	304	$msg .= "\n"
218	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
219		306
220	$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;
221		308
222	LOG llevError, $msg;	309	LOG llevWarn, $msg;
223	};	310	};
224	}
225		311
226	$Coro::State::DIEHOOK = sub {	312	$Coro::State::DIEHOOK = sub {
227	return unless $^S eq 0; # "eq", not "=="	313	return unless $^S eq 0; # "eq", not "=="
228		314
229	if ($Coro::current == $Coro::main) {#d#	315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
230	warn "DIEHOOK called in main context, Coro bug?\n";#d#	318	error "DIEHOOK called in main context, Coro bug?\n";#d#
231	return;#d#	319	return;#d#
232	}#d#	320	}#d#
233		321
234	# kill coroutine otherwise	322	# kill coroutine otherwise
235	warn Carp::longmess $_[0];
236	Coro::terminate	323	Coro::terminate
237	};	324	};
238
239	$SIG{__DIE__} = sub { }; #d#?
240		325
241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
258	)) {	343	)) {
259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
260	}	345	}
261		346
262	$EV::DIED = sub {	347	$EV::DIED = sub {
263	warn "error in event callback: @_";	348	warn "error in event callback: $@";
264	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
265		355
266	#############################################################################	356	#############################################################################
267		357
268	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
269		359
…		…
290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
291	$d	381	$d
292	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
293	}	383	}
294		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
295	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
296		438
297	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
298		440
299	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
306		448
307	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
308	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
309		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
310	=item cf::lock_wait $string	528	=item cf::lock_wait $string
311		529
312	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
313		531
314	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
315		533
316	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
317	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,
318	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
319	returned.	537	returned.
320		538
321	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
322	deadlocked coro.	540	deadlocked coro.
…		…
328		546
329	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.
330		548
331	=cut	549	=cut
332		550
333	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
334	our %LOCKER;#d#
335		552
336	sub lock_wait($) {	553	sub lock_wait($) {
337	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
338
339	if ($LOCKER{$key} == $Coro::current) {#d#
340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341	return;#d#
342	}#d#
343
344	# wait for lock, if any
345	while ($LOCK{$key}) {
346	push @{ $LOCK{$key} }, $Coro::current;
347	Coro::schedule;
348	}
349	}	555	}
350		556
351	sub lock_acquire($) {	557	sub lock_acquire($) {
352	my ($key) = @_;	558	$LOCKS->guard ($_[0])
353
354	# wait, to be sure we are not locked
355	lock_wait $key;
356
357	$LOCK{$key} = [];
358	$LOCKER{$key} = $Coro::current;#d#
359
360	Coro::guard {
361	delete $LOCKER{$key};#d#
362	# wake up all waiters, to be on the safe side
363	$_->ready for @{ delete $LOCK{$key} };
364	}
365	}	559	}
366		560
367	sub lock_active($) {	561	sub lock_active($) {
368	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
369
370	! ! $LOCK{$key}
371	}	563	}
372		564
373	sub freeze_mainloop {	565	sub freeze_mainloop {
374	tick_inhibit_inc;	566	tick_inhibit_inc;
375		567
376	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
377	}	569	}
378		570
379	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
380		572
381	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
382	get spread over timer.	574	get spread over time.
383		575
384	=cut	576	=cut
385		577
386	sub periodic($$) {	578	sub periodic($$) {
387	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
391	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
392	}	584	}
393		585
394	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
395		587
396	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
397	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
398	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$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.
399		595
400	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
401	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
402		598
403	Useful for short background jobs.	599	Useful for short background jobs.
404		600
405	=cut	601	=cut
406		602
407	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
408	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
409		606
410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
411	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
412	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
413		610
414	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
415		613
416	while () {	614	while () {
417	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
418	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
419	if ($avail > 0.01) {	620
420	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
421	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
422	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
423	$job->[2]->send;	625	$job->[2]->send;
424	Coro::cede;
425	goto next_job;	626	goto next_job;
426	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
427	}	629	}
428	}	630	}
429		631
430	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
431	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
432	push @cf::WAIT_FOR_TICK, $signal;
433	$signal->wait;
434	} else {	634	} else {
		635	$busy = 0;
435	Coro::schedule;	636	Coro::schedule;
436	}	637	}
437	}	638	}
438	};	639	};
439		640
440	sub get_slot($;$$) {	641	sub get_slot($;$$) {
441	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
442		643
443	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
444		645
445	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
446	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
447		649
448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
450	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
462	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
463		665
464	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
465		667
466	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
467	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
469	acceptable.	671	acceptable.
470		672
471	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
472	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
476	=cut	678	=cut
477		679
478	sub sync_job(&) {	680	sub sync_job(&) {
479	my ($job) = @_;	681	my ($job) = @_;
480		682
481	if ($Coro::current == $Coro::main) {	683	if (in_main) {
482	my $time = EV::time;	684	my $time = AE::time;
483		685
484	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
485	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
486		688
487	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
488		690
489	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
490		692
491	my $busy = 1;	693	my $busy = 1;
492	my @res;	694	my @res;
493		695
494	(async {	696	(async {
495	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
496	@res = eval { $job->() };	698	@res = eval { $job->() };
497	warn $@ if $@;	699	error $@ if $@;
498	undef $busy;	700	undef $busy;
499	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
500		702
501	while ($busy) {	703	while ($busy) {
502	if (Coro::nready) {	704	if (Coro::nready) {
503	Coro::cede_notself;	705	Coro::cede_notself;
504	} else {	706	} else {
505	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
506	}	708	}
507	}	709	}
508		710
509	my $time = EV::time - $time;	711	my $time = AE::time - $time;
510		712
511	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
512		714
513	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
514	} else {	716	} else {
…		…
536	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
537		739
538	$coro	740	$coro
539	}	741	}
540		742
541	=item fork_call { }, $args	743	=item fork_call { }, @args
542		744
543	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
544	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
545	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
546	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
547		749
548	=cut	750	=cut
549		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
550	sub fork_call(&@) {	756	sub fork_call(&@) {
551	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
552		758
553	# we seemingly have to make a local copy of the whole thing,
554	# otherwise perl prematurely frees the stuff :/
555	# TODO: investigate and fix (likely this will be rather laborious)
556
557	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
558	reset_signals;	760	cf::post_fork;
559	&$cb	761	&$cb
560	}, @args;	762	} @args;
561		763
562	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	)
563	}	776	}
564		777
565	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
566		779
567	=cut	780	=cut
…		…
604	within each server.	817	within each server.
605		818
606	=cut	819	=cut
607		820
608	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
609	my ($name) = @_;	825	my ($name) = @_;
610	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
611		827
612	eval {	828	eval {
613	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
623	}	839	}
624		840
625	our $DB;	841	our $DB;
626		842
627	sub db_init {	843	sub db_init {
628	cf::sync_job {
629	$DB ||= db_table "db";	844	$DB ||= db_table "db";
630	};
631	}	845	}
632		846
633	sub db_get($$) {	847	sub db_get($$) {
634	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
635		849
636	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
637	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
638		854
639	$! ? ()	855	$! ? ()
640	: $data	856	: $data
641	}
642	}	857	}
643		858
644	sub db_put($$$) {	859	sub db_put($$$) {
645	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
674		889
675	my @data;	890	my @data;
676	my $md5;	891	my $md5;
677		892
678	for (0 .. $#$src) {	893	for (0 .. $#$src) {
679	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
680	or Carp::croak "$src->[$_]: $!";
681	}	895	}
682		896
683	# if processing is expensive, check	897	# if processing is expensive, check
684	# checksum first	898	# checksum first
685	if (1) {	899	if (1) {
…		…
698		912
699	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
700	}	914	}
701	}	915	}
702		916
703	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
704	my $data = $process->(\@data);	918	my $data = $process->(\@data);
705	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
706		920
707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
708		922
709	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
710	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
711	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
712		926
…		…
722		936
723	=cut	937	=cut
724		938
725	sub datalog($@) {	939	sub datalog($@) {
726	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
728	}	942	}
729		943
730	=back	944	=back
731		945
732	=cut	946	=cut
…		…
927		1141
928	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
929	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
930		1144
931	} elsif (ref $type) {	1145	} elsif (ref $type) {
932	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
933		1147
934	} else {	1148	} else {
935	shift @arg;	1149	shift @arg;
936	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
937	}	1151	}
938	}	1152	}
939	}	1153	}
940		1154
941	sub _object_attach {	1155	sub _object_attach {
…		…
951	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
952	}	1166	}
953		1167
954	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
955	} else {	1169	} else {
956	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
957	}	1171	}
958		1172
959	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
960	}	1174	}
961		1175
…		…
1020		1234
1021	for (@$callbacks) {	1235	for (@$callbacks) {
1022	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1023		1237
1024	if ($@) {	1238	if ($@) {
1025	warn "$@";
1026	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1027	override;	1240	override;
1028	}	1241	}
1029		1242
1030	return 1 if $override;	1243	return 1 if $override;
1031	}	1244	}
…		…
1110	for (@$attach) {	1323	for (@$attach) {
1111	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1112	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1113	}	1326	}
1114	} else {	1327	} else {
1115	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1116	}	1329	}
1117	}	1330	}
1118	}	1331	}
1119		1332
1120	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1147	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1148		1361
1149	sync_job {	1362	sync_job {
1150	if (length $$rdata) {	1363	if (length $$rdata) {
1151	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1152	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1153	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1154		1368
1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1156	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1158	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	}
1159	aio_close $fh;	1376	aio_close $fh;
1160		1377
1161	if (@$objs) {	1378	if (@$objs) {
1162	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) {
1163	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1165	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1166	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	}
1167	aio_close $fh;	1387	aio_close $fh;
1168	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1169	}	1389	}
1170	} else {	1390	} else {
1171	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1172	}	1392	}
1173		1393
1174	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1175	} else {	1398	} else {
1176	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1177	}	1400	}
1178	} else {	1401	} else {
1179	aio_unlink $filename;	1402	aio_unlink $filename;
1180	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1181	}	1404	}
…		…
1205	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1206	$av = $st->{objs};	1429	$av = $st->{objs};
1207	}	1430	}
1208		1431
1209	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1210	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1211	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1212		1436
1213	($data, $av)	1437	($data, $av)
1214	}	1438	}
1215		1439
1216	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1220	=cut	1444	=cut
1221		1445
1222	#############################################################################	1446	#############################################################################
1223	# command handling &c	1447	# command handling &c
1224		1448
1225	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1226		1450
1227	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
1228	$name.	1452	$name.
1229		1453
1230	=cut	1454	=cut
…		…
1236	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1237		1461
1238	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1239	}	1463	}
1240		1464
1241	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1242		1466
1243	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1244	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
1245	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
1246	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
1247	has logged in successfully.	1471	has logged in successfully.
1248		1472
1249	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1250	called.
1251		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
1252	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1253		1481
1254	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1255	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
1256	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
1257	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
1258	log-in.	1486	log-in.
1259		1487
1260	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1261	called.
1262		1489
1263	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1264		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1265	sub register_extcmd {	1497	sub register_extcmd($$) {
1266	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1267		1499
1268	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1269	}	1501	}
1270		1502
1271	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1272	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1273		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1274	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1275	}	1513	}
1276		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1277	cf::player->attach (	1523	cf::player->attach (
1278	on_command => sub {	1524	on_unknown_command => sub {
1279	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1280		1526
1281	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1282	or return;	1528	or return;
1283		1529
…		…
1291	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1292		1538
1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1294		1540
1295	if (ref $msg) {	1541	if (ref $msg) {
1296	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1297	"ARRAY" eq ref $msg
1298	? @$msg
1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1300		1543
1301	my @reply;
1302
1303	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}) {
1304	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1305	}	1562	}
1306		1563
1307	$pl->ext_reply ($reply, @reply)
1308	if $reply;
1309
1310	} else {	1564	} else {
1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1312	}	1566	}
1313		1567
1314	cf::override;	1568	cf::override;
1315	},	1569	},
1316	);	1570	);
1317		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1318	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1319	cf::sync_job {	1601	cf::sync_job {
1320	my %todo;	1602	my %todo;
1321		1603
1322	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1323	next unless -r $path;	1605	next unless -r $path;
…		…
1341		1623
1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1344		1626
1345	$ext{source} =	1627	$ext{source} =
1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1347	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1348	. $source	1630	. $source
1349	. "\n};\n1";	1631	. "\n};\n1";
1350		1632
1351	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1352	}	1634	}
1353		1635
		1636	my $pass = 0;
1354	my %done;	1637	my %done;
1355	while (%todo) {	1638	while (%todo) {
1356	my $progress;	1639	my $progress;
1357		1640
		1641	++$pass;
		1642
		1643	ext:
1358	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1359	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1360	goto skip	1646	next ext
1361	unless exists $done{$_};	1647	unless exists $done{$_};
1362	}	1648	}
1363		1649
1364	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1365		1651
1366	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 $@) {
1367	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1368	: "$v->{base}: extension inactive.\n";
1369		1665
1370	if (exists $v->{meta}{mandatory}) {
1371	warn $msg;
1372	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1373	}	1667	if exists $v->{meta}{mandatory};
1374		1668
1375	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;
1376	}	1678	}
1377
1378	$done{$k} = delete $todo{$k};
1379	push @EXTS, $v->{pkg};
1380	$progress = 1;
1381	}	1679	}
1382		1680
1383	skip:	1681	unless ($progress) {
1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1385	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1386	}	1691	}
1387	};	1692	};
1388	}	1693	}
1389		1694
1390	#############################################################################	1695	#############################################################################
…		…
1444		1749
1445	sub exists($) {	1750	sub exists($) {
1446	my ($login) = @_;	1751	my ($login) = @_;
1447		1752
1448	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1449	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1450	}	1755	}
1451		1756
1452	sub find($) {	1757	sub find($) {
1453	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1454	my $login = $_[0];	1759	my $login = $_[0];
…		…
1474	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1475	}	1780	}
1476	}	1781	}
1477	}	1782	}
1478		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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
1479	sub save($) {	1797	sub save($) {
1480	my ($pl) = @_;	1798	my ($pl) = @_;
1481		1799
1482	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1483		1801
…		…
1488		1806
1489	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1490	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1491		1809
1492	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];
1493		1814
1494	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1495	cf::cede_to_tick;	1816	cf::cede_to_tick;
1496	}	1817	}
1497		1818
…		…
1531	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1532		1853
1533	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1534	$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
1535		1856
1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1537	$pl->deactivate;	1858	$pl->deactivate;
		1859
1538	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;
1539	$pl->ob->check_score;
1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1541	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1542		1865
1543	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1544	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1545	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1599	\@logins	1922	\@logins
1600	}	1923	}
1601		1924
1602	=item $player->maps	1925	=item $player->maps
1603		1926
		1927	=item cf::player::maps $login
		1928
1604	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1605	player. May block.	1930	player. May block.
1606		1931
1607	=cut	1932	=cut
1608		1933
…		…
1629		1954
1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1631		1956
1632	Expand deliantra pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1633		1958
1634	=item $player->ext_reply ($msgid, @msg)
1635
1636	Sends an ext reply to the player.
1637
1638	=cut
1639
1640	sub ext_reply($$@) {
1641	my ($self, $id, @msg) = @_;
1642
1643	$self->ns->ext_reply ($id, @msg)
1644	}
1645
1646	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1647		1960
1648	Sends an ext event to the client.	1961	Sends an ext event to the client.
1649		1962
1650	=cut	1963	=cut
…		…
1669		1982
1670	=cut	1983	=cut
1671		1984
1672	sub find_by_path($) {	1985	sub find_by_path($) {
1673	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1674		1989
1675	my ($match, $specificity);	1990	my ($match, $specificity);
1676		1991
1677	for my $region (list) {	1992	for my $region (list) {
1678	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1707	sub generate_random_map {	2022	sub generate_random_map {
1708	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1709		2024
1710	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
1711		2026
1712	# mit "rum" bekleckern, nicht
1713	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1717	$rmp->{exit_on_final_map},
1718	$rmp->{xsize}, $rmp->{ysize},
1719	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1720	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1721	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1722	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1725	)
1726	}	2028	}
1727		2029
1728	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1729		2031
1730	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
…		…
1735		2037
1736	sub register {	2038	sub register {
1737	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1738	my $pkg = caller;	2040	my $pkg = caller;
1739		2041
1740	no strict;
1741	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1742		2043
1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744	}	2045	}
1745		2046
1746	# also paths starting with '/'	2047	# also paths starting with '/'
1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1748		2049
1749	sub thawer_merge {	2050	sub thawer_merge {
1750	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1751		2052
1752	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1757	}	2058	}
1758		2059
1759	sub normalise {	2060	sub normalise {
1760	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1761		2062
1762	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1763		2064
1764	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1765		2066
1766	# map plan:	2067	# map plan:
1767	#	2068	#
…		…
1782	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1783	$path = "$base/$path";	2084	$path = "$base/$path";
1784	}	2085	}
1785		2086
1786	for ($path) {	2087	for ($path) {
1787	redo if s{//}{/};
1788	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1789	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1790	}	2090	}
1791		2091
1792	$path	2092	$path
…		…
1806	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1807	return $self;	2107	return $self;
1808	}	2108	}
1809	}	2109	}
1810		2110
1811	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1812	()	2112	()
1813	}	2113	}
1814		2114
		2115	# may re-bless or do other evil things
1815	sub init {	2116	sub init {
1816	my ($self) = @_;	2117	my ($self) = @_;
1817		2118
1818	$self	2119	$self
1819	}	2120	}
…		…
1850		2151
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1853	}	2154	}
1854		2155
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}
1863
1864	sub decay_objects {	2156	sub decay_objects {
1865	my ($self) = @_;	2157	my ($self) = @_;
1866		2158
1867	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1868		2160
…		…
1893	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1894		2186
1895	1	2187	1
1896	}	2188	}
1897		2189
		2190	# used to laod the header of an original map
1898	sub load_header_orig {	2191	sub load_header_orig {
1899	my ($self) = @_;	2192	my ($self) = @_;
1900		2193
1901	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1902	}	2195	}
1903		2196
		2197	# used to laod the header of an instantiated map
1904	sub load_header_temp {	2198	sub load_header_temp {
1905	my ($self) = @_;	2199	my ($self) = @_;
1906		2200
1907	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1908	}	2202	}
1909		2203
		2204	# called after loading the header from an instantiated map
1910	sub prepare_temp {	2205	sub prepare_temp {
1911	my ($self) = @_;	2206	my ($self) = @_;
1912		2207
1913	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1914	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1915	# safety	2210	# safety
1916	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1917	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1918	}	2213	}
1919		2214
		2215	# called after loading the header from an original map
1920	sub prepare_orig {	2216	sub prepare_orig {
1921	my ($self) = @_;	2217	my ($self) = @_;
1922		2218
1923	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1924	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1948		2244
1949	sub find;	2245	sub find;
1950	sub find {	2246	sub find {
1951	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1952		2248
		2249	cf::cede_to_tick;
		2250
1953	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1954		2252
1955	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1957		2255
1958	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1960	my $guard2 = cf::lock_acquire "map_find:$path";
1961
1962	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1963	or return;	2258	or return;
1964		2259
1965	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1966		2261
…		…
1978		2273
1979	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1980	}	2275	}
1981	}	2276	}
1982		2277
1983	sub pre_load { }	2278	sub pre_load { }
1984	sub post_load { }	2279	#sub post_load { } # XS
1985		2280
1986	sub load {	2281	sub load {
1987	my ($self) = @_;	2282	my ($self) = @_;
1988		2283
1989	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1992		2287
1993	{	2288	{
1994	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1995		2290
1996	return unless $self->valid;	2291	return unless $self->valid;
1997	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1998
1999	$self->in_memory (cf::MAP_LOADING);
2000		2293
2001	$self->alloc;	2294	$self->alloc;
2002		2295
2003	$self->pre_load;	2296	$self->pre_load;
2004	cf::cede_to_tick;	2297	cf::cede_to_tick;
2005		2298
		2299	if (exists $self->{load_path}) {
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2301	$f->skip_block;
2008	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2009	or return;	2303	or return;
2010		2304
2011	$self->post_load_original	2305	$self->post_load_original
2012	if delete $self->{load_original};	2306	if delete $self->{load_original};
2013		2307
2014	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2309	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2017	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2018	$self->clear_unique_items;	2312	$self->clear_unique_items;
2019	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2020	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2021	}	2316	}
2022	}	2317	}
2023	}
2024		2318
2025	$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);
2026		2326
2027	cf::cede_to_tick;	2327	cf::cede_to_tick;
2028	# now do the right thing for maps	2328	# now do the right thing for maps
2029	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2030	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2034	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2335	$self->decay_objects;
2036	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2037	$self->update_buttons;	2337	$self->update_buttons;
2038	cf::cede_to_tick;	2338	cf::cede_to_tick;
2039	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2040	cf::cede_to_tick;
2041	$self->activate;
2042	}	2340	}
2043		2341
2044	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2046
2047	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2344	}
2049		2345
2050	$self->post_load;	2346	$self->post_load;
2051	}
2052		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2053	sub customise_for {	2354	sub customise_for {
2054	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2055		2356
2056	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2057	if $self->per_player;	2358	if $self->per_player;
…		…
2060	# if $self->per_party;	2361	# if $self->per_party;
2061		2362
2062	$self	2363	$self
2063	}	2364	}
2064		2365
2065	# find and load all maps in the 3x3 area around a map
2066	sub load_neighbours {
2067	my ($map) = @_;
2068
2069	my @neigh; # diagonal neighbours
2070
2071	for (0 .. 3) {
2072	my $neigh = $map->tile_path ($_)
2073	or next;
2074	$neigh = find $neigh, $map
2075	or next;
2076	$neigh->load;
2077
2078	push @neigh,
2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2081	}
2082
2083	for (grep defined $_->[0], @neigh) {
2084	my ($path, $origin) = @$_;
2085	my $neigh = find $path, $origin
2086	or next;
2087	$neigh->load;
2088	}
2089	}
2090
2091	sub find_sync {	2366	sub find_sync {
2092	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2093		2368
2094	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, $origin
2095	}	2374	}
2096		2375
2097	sub do_load_sync {	2376	sub do_load_sync {
2098	my ($map) = @_;	2377	my ($map) = @_;
2099		2378
		2379	# it's a bug to call this from the main context
2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2101	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2102		2382
2103	cf::sync_job { $map->load };	2383	$map->load;
2104	}	2384	}
2105		2385
2106	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2107	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2108		2388
2109	sub find_async {	2389	sub find_async {
2110	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2111		2391
2112	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2113		2393
2114	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2116	}	2396	}
2117		2397
2118	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2119		2399
2120	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2121	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2122		2402
2123	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2124	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2125	if (my $map = find $k) {	2405	if (my $map = find $k) {
2126	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2127	}	2407	}
2128		2408
2129	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2130	}	2410	}
2131	}	2411	}
…		…
2134	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2135		2415
2136	()	2416	()
2137	}	2417	}
2138		2418
		2419	# common code, used by both ->save and ->swapout
2139	sub save {	2420	sub _save {
2140	my ($self) = @_;	2421	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2422
2144	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2145		2424
2146	return unless $self->dirty;	2425	return unless $self->dirty;
2147		2426
…		…
2167	} else {	2446	} else {
2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2169	}	2448	}
2170	}	2449	}
2171		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2172	sub swap_out {	2459	sub swap_out {
2173	my ($self) = @_;	2460	my ($self) = @_;
2174		2461
2175	# save first because save cedes
2176	$self->save;
2177
2178	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2179		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2180	return if $self->players;	2466	return if $self->players;
2181	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
2182	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2183		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
2184	$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};
2185		2518
2186	$self->deactivate;	2519	$self->deactivate;
2187	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2188	$self->clear;	2521	$self->clear;
2189	}
2190
2191	sub reset_at {
2192	my ($self) = @_;
2193
2194	# TODO: safety, remove and allow resettable per-player maps
2195	return 1e99 if $self->{deny_reset};
2196
2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2199
2200	$time + $to
2201	}
2202
2203	sub should_reset {
2204	my ($self) = @_;
2205
2206	$self->reset_at <= $cf::RUNTIME
2207	}
2208
2209	sub reset {
2210	my ($self) = @_;
2211
2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
2213
2214	return if $self->players;
2215
2216	warn "resetting map ", $self->path;
2217
2218	$self->in_memory (cf::MAP_SWAPPED);
2219
2220	# need to save uniques path
2221	unless ($self->{deny_save}) {
2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
2223
2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2225	if $uniq;
2226	}
2227
2228	delete $cf::MAP{$self->path};
2229
2230	$self->deactivate;
2231	$_->clear_links_to ($self) for values %cf::MAP;
2232	$self->clear;
2233		2522
2234	$self->unlink_save;	2523	$self->unlink_save;
2235	$self->destroy;	2524	$self->destroy;
2236	}	2525	}
2237		2526
…		…
2245		2534
2246	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2247		2536
2248	$self->unlink_save;	2537	$self->unlink_save;
2249		2538
2250	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2251	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2252	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2253	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2255		2544
…		…
2312	: normalise $_	2601	: normalise $_
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2603	]
2315	}	2604	}
2316		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
2317	=back	2638	=back
2318		2639
2319	=head3 cf::object	2640	=head3 cf::object
2320		2641
2321	=cut	2642	=cut
…		…
2344		2665
2345	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.
2346		2667
2347	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2348		2669
2349	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,
2350	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2351		2672
2352	=cut	2673	=cut
2353		2674
2354	sub deref {	2675	sub deref {
…		…
2386		2707
2387	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2388	id => "say",	2709	id => "say",
2389	title => "Map",	2710	title => "Map",
2390	reply => "say ",	2711	reply => "say ",
2391	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.",
2392	};	2713	};
2393		2714
2394	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2395	id => "chat",	2716	id => "chat",
2396	title => "Chat",	2717	title => "Chat",
…		…
2436	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2437		2758
2438	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2439	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2440		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2441	=cut	2787	=cut
2442		2788
2443	sub cf::object::player::may {	2789	sub cf::object::player::may {
2444	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2445		2791
2446	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2447	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2448	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2449	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2450	}	2796	}
2451		2797
2452	=item $player_object->enter_link	2798	=item $player_object->enter_link
2453		2799
2454	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}>).
2455		2801
2456	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.
2457	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,
2458	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
2459	map.	2805	map.
2460		2806
2461	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.
2462		2814
2463	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2464		2816
2465	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2466	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2484	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2485	my ($self) = @_;	2837	my ($self) = @_;
2486		2838
2487	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2488		2840
		2841	++$self->{_link_recursion};
		2842
2489	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2490		2844
2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2492	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2493		2847
2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2495	}	2849	}
2496		2850
2497	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2498	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2499		2853
…		…
2516	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2517	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2518		2872
2519	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2520	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2521	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2522		2876
2523	$map->load;	2877	$map->load;
2524	$map->load_neighbours;
2525		2878
2526	return unless $self->contr->active;	2879	return unless $self->contr->active;
2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2528	$self->activate_recursive;
2529		2880
2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2531	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2532	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2533		2888
		2889	}
		2890
2534	=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)]])
2535		2892
2536	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
2537	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2538	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
2539	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
…		…
2546		2903
2547	our $GOTOGEN;	2904	our $GOTOGEN;
2548		2905
2549	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2550	my ($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	}
2551		2914
2552	# 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
2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2554		2917
2555	$self->enter_link;	2918	$self->enter_link;
…		…
2575	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2576	}	2939	}
2577	}	2940	}
2578		2941
2579	my $map = eval {	2942	my $map = eval {
2580	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2581		2944
2582	if ($map) {	2945	if ($map) {
2583	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2584	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2585	} else {	2948	} else {
2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2587	}	2950	}
2588		2951
2589	$map	2952	$map
…		…
2597	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2598	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2599	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2600	}	2963	}
2601		2964
2602	$done->() if $done;	2965	$done->($self) if $done;
2603	})->prio (1);	2966	})->prio (1);
2604	}	2967	}
2605		2968
2606	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2607		2970
…		…
2675	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2676		3039
2677	unless (eval {	3040	unless (eval {
2678	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2679		3042
2680	# random map handling
2681	{
2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
2684	prepare_random_map $exit
2685	if $exit->slaying eq "/!";
2686	}
2687
2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2689	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2690	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	}
2691		3069
2692	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2693		3071
2694	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2695	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
…		…
2700	$self->message ("Something went wrong deep within the deliantra server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2701	. "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. "
2702	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2703	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2704		3082
2705	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2706	$self->leave_link;	3084	$self->leave_link;
2707	}	3085	}
2708	})->prio (1);	3086	})->prio (1);
2709	}	3087	}
2710		3088
2711	=head3 cf::client	3089	=head3 cf::client
2712		3090
2713	=over 4	3091	=over 4
2714		3092
2715	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2716		3094
2717	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2718	should not be used under normal circumstances.	3096	them as required.
2719		3097
2720	=cut	3098	=cut
2721		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2722	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2723	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2724		3104
2725	utf8::encode $text;	3105	# try lzf for large packets
2726	$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);
2727	}	3116	}
2728		3117
2729	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2730		3119
2731	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2732	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2733	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2734	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2735		3124
2736	=cut	3125	=cut
2737		3126
2738	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2739	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	},
2740	"c/identify" => {	3135	"c/identify" => {
2741	id => "infobox",	3136	id => "infobox",
2742	title => "Identify",	3137	title => "Identify",
2743	reply => undef,	3138	reply => undef,
2744	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2746	"c/examine" => {	3141	"c/examine" => {
2747	id => "infobox",	3142	id => "infobox",
2748	title => "Examine",	3143	title => "Examine",
2749	reply => undef,	3144	reply => undef,
2750	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",
2751	},	3152	},
2752	"c/book" => {	3153	"c/book" => {
2753	id => "infobox",	3154	id => "infobox",
2754	title => "Book",	3155	title => "Book",
2755	reply => undef,	3156	reply => undef,
…		…
2771	id => "infobox",	3172	id => "infobox",
2772	title => "Body Parts",	3173	title => "Body Parts",
2773	reply => undef,	3174	reply => undef,
2774	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you posess and are available",
2775	},	3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
2776	"c/uptime" => {	3213	"c/uptime" => {
2777	id => "infobox",	3214	id => "infobox",
2778	title => "Uptime",	3215	title => "Uptime",
2779	reply => undef,	3216	reply => undef,
2780	tooltip => "How long the server has been running since last restart",	3217	tooltip => "How long the server has been running since last restart",
…		…
2789	id => "party",	3226	id => "party",
2790	title => "Party",	3227	title => "Party",
2791	reply => "gsay ",	3228	reply => "gsay ",
2792	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2793	},	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" => $CHAT_CHANNEL,
2794	);	3245	);
2795		3246
2796	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2797	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2798		3249
…		…
2803		3254
2804	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2805	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2806	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2807		3258
2808	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2809	if $self->can_msg;
2810
2811	$channel = $channel->{id};	3260	$channel = $channel->{id};
2812		3261
2813	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2814	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2815	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2816	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2817	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2818	if $self->can_msg;
2819	}	3267	}
2820		3268
2821	$channel = $channel->{id};	3269	$channel = $channel->{id};
2822	}	3270	}
2823		3271
2824	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2825		3273
2826	if ($self->can_msg) {
2827	# default colour, mask it out	3274	# default colour, mask it out
2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2829	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2830		3277
2831	my $pkt = "msg "	3278	my $pkt = "msg "
2832	. $self->{json_coder}->encode (	3279	. $self->{json_coder}->encode (
2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2834	);	3281	);
2835		3282
2836	# try lzf for large packets
2837	$pkt = "lzf " . Compress::LZF::compress $pkt
2838	if 1024 <= length $pkt and $self->{can_lzf};
2839
2840	# split very large packets
2841	if (8192 < length $pkt and $self->{can_lzf}) {
2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2843	$pkt = "frag";
2844	}
2845
2846	$self->send_packet ($pkt);	3283	$self->send_big_packet ($pkt);
2847	} else {
2848	if ($color >= 0) {
2849	# replace some tags by gcfclient-compatible ones
2850	for ($msg) {
2851	1 while
2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2857	}
2858
2859	$color &= cf::NDI_COLOR_MASK;
2860
2861	utf8::encode $msg;
2862
2863	if (0 && $msg =~ /\[/) {
2864	# COMMAND/INFO
2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
2866	} else {
2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2868	$self->send_packet ("drawinfo $color $msg")
2869	}
2870	}
2871	}
2872	}	3284	}
2873		3285
2874	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2875		3287
2876	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2878	=cut	3290	=cut
2879		3291
2880	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2881	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2882		3294
2883	if ($self->extcmd == 2) {
2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2885	} elsif ($self->extcmd == 1) { # TODO: remove
2886	push @msg, msgtype => "event_$type";
2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2888	}
2889	}
2890
2891	=item $client->ext_reply ($msgid, @msg)
2892
2893	Sends an ext reply to the client.
2894
2895	=cut
2896
2897	sub cf::client::ext_reply($$@) {
2898	my ($self, $id, @msg) = @_;
2899
2900	if ($self->extcmd == 2) {
2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2902	} elsif ($self->extcmd == 1) {
2903	#TODO: version 1, remove
2904	unshift @msg, msgtype => "reply", msgid => $id;
2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2906	}
2907	}	3296	}
2908		3297
2909	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2910		3299
2911	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2931		3320
2932	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2933	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2934		3323
2935	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;
2936	}	3364	}
2937		3365
2938	cf::client->attach (	3366	cf::client->attach (
2939	on_connect => sub {	3367	on_connect => sub {
2940	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2966	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2967		3395
2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2969		3397
2970	if (ref $msg) {	3398	if (ref $msg) {
2971	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2972	"ARRAY" eq ref $msg
2973	? @$msg
2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2975		3400
2976	my @reply;
2977
2978	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}) {
2979	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2980	}	3419	}
2981
2982	$ns->ext_reply ($reply, @reply)
2983	if $reply;
2984
2985	} else {	3420	} else {
2986	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";
2987	}	3422	}
2988		3423
2989	cf::override;	3424	cf::override;
2990	},	3425	},
2991	);	3426	);
…		…
3011		3446
3012	$coro	3447	$coro
3013	}	3448	}
3014		3449
3015	cf::client->attach (	3450	cf::client->attach (
3016	on_destroy => sub {	3451	on_client_destroy => sub {
3017	my ($ns) = @_;	3452	my ($ns) = @_;
3018		3453
3019	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3020	},	3455	},
3021	);	3456	);
…		…
3037	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3038		3473
3039	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3040		3475
3041	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3042	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3043	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3044	sort time	3479	sort time
3045	));	3480	));
3046		3481
3047	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3051	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3052		3487
3053	cf::object	3488	cf::object
3054	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
3055	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3056		3492
3057	cf::object::player	3493	cf::object::player
3058	player	3494	player
3059		3495
3060	cf::player	3496	cf::player
…		…
3066	=cut	3502	=cut
3067		3503
3068	for (	3504	for (
3069	["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
3070	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3071	decrease split destroy change_exp)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3072	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3073	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3074	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3075	) {	3511	) {
3076	no strict 'refs';
3077	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3079	for @funs;	3514	for @funs;
3080	}	3515	}
3081		3516
…		…
3096		3531
3097	my $qcode = $code;	3532	my $qcode = $code;
3098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3099	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3100		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3101	local $_;	3539	local $_;
3102	local @safe::cf::_safe_eval_args = values %vars;
3103		3540
3104	my $eval =	3541	my $eval =
3105	"do {\n"	3542	"do {\n"
3106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3107	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3108	. $code	3545	. $code
3109	. "\n}"	3546	. "\n}"
3110	;	3547	;
3111		3548
		3549	if ($CFG{safe_eval}) {
3112	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3114	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	}
3115		3558
3116	if ($@) {	3559	if ($@) {
3117	warn "$@";	3560	warn "$@",
3118	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3119	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3120	}	3563	}
3121		3564
3122	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3123	}	3566	}
3124		3567
…		…
3138	=cut	3581	=cut
3139		3582
3140	sub register_script_function {	3583	sub register_script_function {
3141	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3142		3585
3143	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3145	}	3588	}
3146		3589
3147	=back	3590	=back
3148		3591
3149	=cut	3592	=cut
3150		3593
3151	#############################################################################	3594	#############################################################################
3152	# the server's init and main functions	3595	# the server's init and main functions
3153		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3154	sub load_facedata($) {	3674	sub load_facedata($) {
3155	my ($path) = @_;	3675	my ($path) = @_;
3156		3676
3157	# HACK to clear player env face cache, we need some signal framework
3158	# for this (global event?)
3159	%ext::player_env::MUSIC_FACE_CACHE = ();
3160
3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3162		3678
3163	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3164		3680
3165	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3166	0 < aio_load $path, $facedata
3167	or die "$path: $!";
3168
3169	$facedata = Coro::Storable::thaw $facedata;
3170		3682
3171	$facedata->{version} == 2	3683	$facedata->{version} == 2
3172	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3173		3685
3174	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3175	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3176	type => FT_RSRC,	3688
3177	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
3178	};	3690
3179	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3180		3694
3181	{	3695	{
3182	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3183		3697
3184	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3186		3701
3187	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3188	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3189	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};
3190	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};
3191		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3192	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3193	}	3709	}
3194		3710
3195	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3196	next unless $info->{smooth};	3712	next unless $info->{smooth};
3197		3713
…		…
3200		3716
3201	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3202	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3204	} else {	3720	} else {
3205	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3206	}	3722	}
3207
3208	cf::cede_to_tick;
3209	}	3723	}
3210	}	3724	}
3211		3725
3212	{	3726	{
3213	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3214		3728
3215	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3216	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3217	cf::cede_to_tick;
3218	}	3731	}
3219		3732
3220	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3221	}	3734	}
3222		3735
3223	{	3736	{
3224	# TODO: for gcfclient pleasure, we should give resources
3225	# that gcfclient doesn't grok a >10000 face index.
3226	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3227		3738
3228	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3229	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
3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3231	my $data;
3232		3743
3233	if ($info->{type} & 1) {
3234	# prepend meta info
3235
3236	my $meta = $enc->encode ({
3237	name => $name,
3238	%{ $info->{meta} || {} },
3239	});
3240
3241	$data = pack "(w/a*)*", $meta, $info->{data};
3242	} else {
3243	$data = $info->{data};
3244	}
3245
3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3247	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;
3248	} else {	3750	} else {
3249	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3250	}	3752	}
3251
3252	cf::cede_to_tick;
3253	}	3753	}
3254	}	3754	}
		3755
		3756	($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;
3255		3765
3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3257		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3258	1	3770	1
3259	}	3771	}
3260
3261	cf::global->attach (on_resource_update => sub {
3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3264
3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3266	my $sound = $soundconf->{compat}[$_]
3267	or next;
3268
3269	my $face = cf::face::find "sound/$sound->[1]";
3270	cf::sound::set $sound->[0] => $face;
3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3272	}
3273
3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
3275	my $face = cf::face::find "sound/$v";
3276	cf::sound::set $k => $face;
3277	}
3278	}
3279	});
3280		3772
3281	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3282	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3283		3775
3284	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3292	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3293	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3294	cf::arch::commit_load;	3786	cf::arch::commit_load;
3295		3787
3296	$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;
3297	}	3803	}
3298		3804
3299	sub reload_regions {	3805	sub reload_regions {
3300	# 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
3301	# for this (global event?)	3807	# for this (global event?)
…		…
3309	if exists $_->{match};	3815	if exists $_->{match};
3310	}	3816	}
3311	}	3817	}
3312		3818
3313	sub reload_facedata {	3819	sub reload_facedata {
3314	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3315	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3316	}	3822	}
3317		3823
3318	sub reload_archetypes {	3824	sub reload_archetypes {
3319	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3320	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3321	}	3853	}
3322		3854
3323	sub reload_treasures {	3855	sub reload_treasures {
3324	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3325	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3326	}	3858	}
3327		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
3328	sub reload_resources {	3880	sub reload_resources {
3329	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3330		3882
		3883	reload_materials;
3331	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3332	reload_archetypes;	3887	reload_archetypes;
3333	reload_regions;	3888	reload_regions;
3334	reload_treasures;	3889	reload_treasures;
3335		3890
3336	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3337	}
3338
3339	sub init {
3340	my $guard = freeze_mainloop;
3341
3342	evthread_start IO::AIO::poll_fileno;
3343
3344	reload_resources;
3345	}	3892	}
3346		3893
3347	sub reload_config {	3894	sub reload_config {
3348	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3349	or return;
3350		3896
3351	local $/;	3897	my $config = load_file "$CONFDIR/config";
3352	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3353		3900
3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3355		3902
3356	$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};
3357	$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};
3358		3905
3359	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3382		3929
3383	seek $fh, 0, 0;	3930	seek $fh, 0, 0;
3384	print $fh $$;	3931	print $fh $$;
3385	}	3932	}
3386		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
3387	sub main {	3943	sub main {
3388	atomic;	3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3389		3952
3390	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3391	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3392	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#
3393	(async {	3956	(async {
3394	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3395	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3396	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3397	};	3960	};
3398		3961
3399	{	3962	evthread_start IO::AIO::poll_fileno;
3400	my $guard = freeze_mainloop;	3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
		3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
3401	reload_config;	3976	reload_config;
3402	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3403	load_extensions;	3986	load_extensions;
3404		3987
3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3406	}
3407
3408	utime time, time, $RUNTIMEFILE;	3988	utime time, time, $RUNTIMEFILE;
3409		3989
3410	# no (long-running) fork's whatsoever before this point(!)	3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
3411	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};
3412		3993
3413	EV::loop;	3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
3414	}	4005	}
3415		4006
3416	#############################################################################	4007	#############################################################################
3417	# initialisation and cleanup	4008	# initialisation and cleanup
3418		4009
3419	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3420	BEGIN {	4011	BEGIN {
3421	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3422	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3424	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3425	};	4016	};
3426	}	4017	}
3427	}	4018	}
3428		4019
3429	sub write_runtime_sync {	4020	sub write_runtime_sync {
		4021	my $t0 = AE::time;
		4022
3430	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3431	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3432		4025
3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434		4027
3435	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3436		4029
3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3438	or return;	4031	or return;
3439		4032
3440	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3441	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3442	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3455	or return;	4048	or return;
3456		4049
3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458	and return;	4051	and return;
3459		4052
3460	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3461		4054
3462	1	4055	1
3463	}	4056	}
3464		4057
3465	our $uuid_lock;	4058	our $uuid_lock;
…		…
3474	my $uuid = "$LOCALDIR/uuid";	4067	my $uuid = "$LOCALDIR/uuid";
3475		4068
3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477	or return;	4070	or return;
3478		4071
3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
3480	$uuid_skip = 0;	4080	$uuid_skip = 0;
3481		4081
3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3483	and return;	4083	and return;
3484		4084
…		…
3490	or return;	4090	or return;
3491		4091
3492	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3493	and return;	4093	and return;
3494		4094
3495	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3496		4096
3497	1	4097	1
3498		4098
3499	}	4099	}
3500		4100
…		…
3506	}	4106	}
3507		4107
3508	sub emergency_save() {	4108	sub emergency_save() {
3509	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3510		4110
3511	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
3512		4117
3513	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3514	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3515	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3516	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3517	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3518	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3519	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3520	$pl->valid or next;	4127	$pl->valid or next;
3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3522	$pl->save;	4129	$pl->save;
3523	}	4130	}
3524	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3525		4132
3526	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
3527	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3528	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3529	$map->valid or next;	4138	$map->valid or next;
3530	$map->save;	4139	$map->save;
3531	}	4140	}
3532	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3533		4142
3534	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
3535	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3536	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3537		4148
3538	warn "begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3539	write_uuid_sync 1;	4150	write_uuid_sync 1;
3540	warn "end write uuid\n";	4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3541	};	4171	};
3542		4172
3543	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3544	}	4174	}
3545		4175
3546	sub post_cleanup {	4176	sub post_cleanup {
3547	my ($make_core) = @_;	4177	my ($make_core) = @_;
3548		4178
		4179	IO::AIO::flush;
		4180
3549	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3550	if $make_core;	4182	if $make_core;
3551		4183
3552	my $fh = pidfile;	4184	my $fh = pidfile;
3553	unlink $PIDFILE if <$fh> == $$;	4185	unlink $PIDFILE if <$fh> == $$;
3554	}	4186	}
…		…
3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3575	for my $name (keys %$leaf_symtab) {	4207	for my $name (keys %$leaf_symtab) {
3576	_gv_clear *{"$pkg$name"};	4208	_gv_clear *{"$pkg$name"};
3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3578	}	4210	}
3579	warn "cleared package #$pkg\n";#d#
3580	}	4211	}
3581
3582	our $RELOAD; # how many times to reload
3583		4212
3584	sub do_reload_perl() {	4213	sub do_reload_perl() {
3585	# can/must only be called in main	4214	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3587	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3588	return;	4217	return;
3589	}	4218	}
3590		4219
3591	return if $RELOAD++;	4220	return if $RELOAD++;
3592		4221
		4222	my $t1 = AE::time;
		4223
3593	while ($RELOAD) {	4224	while ($RELOAD) {
3594	warn "reloading...";	4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
3595		4227
3596	warn "entering sync_job";	4228	trace "perl_reload: entering sync_job";
3597		4229
3598	cf::sync_job {	4230	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4231	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4232
3603	warn "syncing database to disk";
3604	BDB::db_env_txn_checkpoint $DB_ENV;
3605
3606	# if anything goes wrong in here, we should simply crash as we already saved
3607
3608	warn "flushing outstanding aio requests";
3609	while (IO::AIO::nreqs || BDB::nreqs) {
3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3611	}
3612
3613	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3614	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3615	%EXT_CORO = ();	4235	%EXT_CORO = ();
3616		4236
3617	warn "removing commands";	4237	trace "perl_reload: removing commands";
3618	%COMMAND = ();	4238	%COMMAND = ();
3619		4239
3620	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3621	%EXTCMD = ();	4241	%EXTCMD = ();
3622	%EXTICMD = ();	4242	%EXTICMD = ();
3623		4243
3624	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3625	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3626	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3627		4247
3628	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3629	eval {	4249	eval {
3630	$cb->($pkg);	4250	$cb->($pkg);
3631	1	4251	1
3632	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
3633	}	4253	}
3634		4254
3635	warn "... clearing $pkg";	4255	trace "... clearing $pkg";
3636	clear_package $pkg;	4256	clear_package $pkg;
3637	}	4257	}
3638		4258
3639	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3640	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3642		4262
3643	warn "... unloading $k";	4263	trace "... unloading $k";
3644	delete $INC{$k};	4264	delete $INC{$k};
3645		4265
3646	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3647	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3648		4268
…		…
3651	}	4271	}
3652		4272
3653	clear_package $k;	4273	clear_package $k;
3654	}	4274	}
3655		4275
3656	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3657	clear_package "safe::$_"	4277	clear_package "safe::$_"
3658	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);
3659		4279
3660	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3661	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3662	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3663		4283
3664	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3665	# and global variables created in xs	4285	# and global variables created in xs
3666	#clear_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3667		4287
3668	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3669		4289
3670	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3671	require cf;	4291	require cf;
3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3673		4293
3674	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3675	cf::reload_config;	4295	cf::reload_config;
3676		4296
3677	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3678	cf::load_extensions;	4298	cf::load_extensions;
3679		4299
		4300	if ($REATTACH_ON_RELOAD) {
3680	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3681	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3682	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3683	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3684	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3685	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3686		4308
3687	warn "leaving sync_job";	4309	cf::_post_init 1;
		4310
		4311	trace "perl_reload: leaving sync_job";
3688		4312
3689	1	4313	1
3690	} or do {	4314	} or do {
3691	warn $@;	4315	error $@;
3692	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3693	};	4317	};
3694		4318
3695	warn "reloaded";
3696	--$RELOAD;	4319	--$RELOAD;
3697	}	4320	}
		4321
		4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3698	};	4324	};
3699		4325
3700	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3701		4327
3702	sub reload_perl() {	4328	sub reload_perl() {
3703	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3704	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3705		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3707	do_reload_perl;	4336	do_reload_perl;
3708	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
		4338	};
3709	};	4339	};
3710	}	4340	}
3711		4341
3712	register_command "reload" => sub {	4342	register_command "reload" => sub {
3713	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
…		…
3719	reload_perl;	4349	reload_perl;
3720	};	4350	};
3721	}	4351	}
3722	};	4352	};
3723		4353
3724	unshift @INC, $LIBDIR;	4354	#############################################################################
3725		4355
3726	my $bug_warning = 0;	4356	my $bug_warning = 0;
3727		4357
3728	our @WAIT_FOR_TICK;
3729	our @WAIT_FOR_TICK_BEGIN;
3730
3731	sub wait_for_tick {	4358	sub wait_for_tick() {
3732	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3733		4360
3734	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3735	push @WAIT_FOR_TICK, $signal;
3736	$signal->wait;
3737	}	4362	}
3738		4363
3739	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3740	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3741		4366
3742	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3743	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3744	$signal->wait;	4369	$signal->wait;
3745	}	4370	}
…		…
3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3750	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3751	return;	4376	return;
3752	}	4377	}
3753		4378
3754	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3755		4382
3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3757	$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.;
3758	Coro::async_pool {	4385	Coro::async_pool {
3759	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3760	write_runtime_sync	4387	write_runtime_sync
3761	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3762	};	4389	};
3763	}	4390	}
3764		4391
3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3766	$sig->send;	4393	$sig->send;
3767	}	4394	}
3768	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3769	$sig->send;
3770	}
3771		4396
3772	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3774		4399
3775	if (0) {	4400	if (0) {
3776	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3777	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3779	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3780	}	4405	}
3781	}	4406	}
3782	}	4407	}
3783		4408
3784	{	4409	{
3785	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3786		4412
3787	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3788	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3789	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3790		4416
3791	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3792	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3794	$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;
…		…
3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820	};	4446	};
3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823	};	4449	};
		4450
		4451	info "database initialised";
3824	}	4452	}
3825		4453
3826	{	4454	{
3827	# configure IO::AIO	4455	# configure IO::AIO
3828		4456
		4457	info "initialising aio";
3829	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3831	undef $AnyEvent::AIO::WATCHER;	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3832	}	4462	}
3833		4463
3834	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3835		4466
3836	sub _log_backtrace {	4467	sub _log_backtrace {
3837	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3838		4469
3839	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3840		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3841	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3843	++$_log_backtrace;	4478	++$_log_backtrace;
3844	my $perl_bt = Carp::longmess $msg;	4479	my $perl_bt = Carp::longmess $msg;
3845	async {	4480	async {
3846	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3847		4482
…		…
3867	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3868	--$_log_backtrace;	4503	--$_log_backtrace;
3869	};	4504	};
3870	} else {	4505	} else {
3871	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3872	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3873	}	4508	}
3874	}	4509	}
3875		4510
3876	# load additional modules	4511	# load additional modules
3877	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3878		4514
3879	END { cf::emergency_save }	4515	END { cf::emergency_save }
3880		4516
3881	1	4517	1
3882		4518

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