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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC vs.
Revision 1.603 by root, Tue Nov 13 01:12:23 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
68		85
69	our %COMMAND = ();	86	our %COMMAND = ();
70	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
71		88
72	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
77		96
78	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
80		101
81	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
82	our $DATADIR = datadir;	104	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
86	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
93		125
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	128	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		130
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	134	our $DB_ENV;
105		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
106	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		140
108	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
110	our $NOW;	144	our $NOW;
111		145
112	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	155	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
123		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
124	binmode STDOUT;	166	binmode STDOUT;
125	binmode STDERR;	167	binmode STDERR;
126		168
127	# read virtual server time, if available	169	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
132	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
133		177
134	mkdir $_	178	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		180
137	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
138		182
139	sub cf::map::normalise;	183	sub cf::map::normalise;
140		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
141	#############################################################################	189	#############################################################################
142		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
143	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
144		203
145	=over 4	204	=over 4
146		205
147	=item $cf::UPTIME	206	=item $cf::UPTIME
148		207
149	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
150		224
151	=item $cf::RUNTIME	225	=item $cf::RUNTIME
152		226
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	228	every server tick.
155		229
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		233
160	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
163	database environment.	237	database environment.
164		238
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	239	=item $cf::LOADAVG
174		240
175	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
186	from wherever your confdir points to.	252	from wherever your confdir points to.
187		253
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		255
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
191	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
193		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	282	that call.
199		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
390		580
391	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
433		628
434	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
435		630
436	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
437	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
438		634
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
467	=cut	663	=cut
468		664
469	sub sync_job(&) {	665	sub sync_job(&) {
470	my ($job) = @_;	666	my ($job) = @_;
471		667
472	if ($Coro::current == $Coro::main) {	668	if (in_main) {
473	my $time = EV::time;	669	my $time = AE::time;
474		670
475	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
477		673
478	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
479		675
480	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
481		677
482	my $busy = 1;	678	my $busy = 1;
483	my @res;	679	my @res;
484		680
485	(async {	681	(async {
486	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	683	@res = eval { $job->() };
488	warn $@ if $@;	684	error $@ if $@;
489	undef $busy;	685	undef $busy;
490	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
491		687
492	while ($busy) {	688	while ($busy) {
493	if (Coro::nready) {	689	if (Coro::nready) {
…		…
495	} else {	691	} else {
496	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
497	}	693	}
498	}	694	}
499		695
500	my $time = EV::time - $time;	696	my $time = AE::time - $time;
501		697
502	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
503		699
504	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
505	} else {	701	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
528		724
529	$coro	725	$coro
530	}	726	}
531		727
532	=item fork_call { }, $args	728	=item fork_call { }, @args
533		729
534	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
538		734
539	=cut	735	=cut
540		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
541	sub fork_call(&@) {	741	sub fork_call(&@) {
542	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
543		743
544	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)
547
548	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
549	reset_signals;	745	cf::post_fork;
550	&$cb	746	&$cb
551	}, @args;	747	} @args;
552		748
553	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
554	}	761	}
555		762
556	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
557		764
558	=cut	765	=cut
…		…
595	within each server.	802	within each server.
596		803
597	=cut	804	=cut
598		805
599	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
600	my ($name) = @_;	810	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
602		812
603	eval {	813	eval {
604	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
614	}	824	}
615		825
616	our $DB;	826	our $DB;
617		827
618	sub db_init {	828	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	829	$DB ||= db_table "db";
621	};
622	}	830	}
623		831
624	sub db_get($$) {	832	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
626		834
627	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
628	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
629		839
630	$! ? ()	840	$! ? ()
631	: $data	841	: $data
632	}
633	}	842	}
634		843
635	sub db_put($$$) {	844	sub db_put($$$) {
636	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		874
666	my @data;	875	my @data;
667	my $md5;	876	my $md5;
668		877
669	for (0 .. $#$src) {	878	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	880	}
673		881
674	# if processing is expensive, check	882	# if processing is expensive, check
675	# checksum first	883	# checksum first
676	if (1) {	884	if (1) {
…		…
689		897
690	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
691	}	899	}
692	}	900	}
693		901
694	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
695	my $data = $process->(\@data);	903	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
697		905
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		907
700	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
703		911
…		…
713		921
714	=cut	922	=cut
715		923
716	sub datalog($@) {	924	sub datalog($@) {
717	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	927	}
720		928
721	=back	929	=back
722		930
723	=cut	931	=cut
724		932
725	#############################################################################	933	#############################################################################
726		934
727	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
728		936
729	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
732		940
733	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
785		993
786	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
788		996
789	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
791		999
792	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
793		1001
794	=over 4	1002	=over 4
…		…
918		1126
919	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1129
922	} elsif (ref $type) {	1130	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
924		1132
925	} else {	1133	} else {
926	shift @arg;	1134	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
928	}	1136	}
929	}	1137	}
930	}	1138	}
931		1139
932	sub _object_attach {	1140	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
943	}	1151	}
944		1152
945	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
946	} else {	1154	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1156	}
949		1157
950	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
951	}	1159	}
952		1160
…		…
1011		1219
1012	for (@$callbacks) {	1220	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1014		1222
1015	if ($@) {	1223	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1225	override;
1019	}	1226	}
1020		1227
1021	return 1 if $override;	1228	return 1 if $override;
1022	}	1229	}
…		…
1085		1292
1086	sub reattach {	1293	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1295	my ($obj) = @_;
1089		1296
		1297	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1299
1092	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1093		1301
1094	@$registry = ();	1302	@$registry = ();
1095		1303
…		…
1100	for (@$attach) {	1308	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1103	}	1311	}
1104	} else {	1312	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1314	}
1107	}	1315	}
1108	}	1316	}
1109		1317
1110	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1138		1346
1139	sync_job {	1347	sync_job {
1140	if (length $$rdata) {	1348	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1144		1353
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
1149	aio_close $fh;	1361	aio_close $fh;
1150		1362
1151	if (@$objs) {	1363	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
1157	aio_close $fh;	1372	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1374	}
1160	} else {	1375	} else {
1161	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1162	}	1377	}
1163		1378
1164	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1383	} else {
1166	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1167	}	1385	}
1168	} else {	1386	} else {
1169	aio_unlink $filename;	1387	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1171	}	1389	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1414	$av = $st->{objs};
1197	}	1415	}
1198		1416
1199	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1202		1421
1203	($data, $av)	1422	($data, $av)
1204	}	1423	}
1205		1424
1206	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1429	=cut
1211		1430
1212	#############################################################################	1431	#############################################################################
1213	# command handling &c	1432	# command handling &c
1214		1433
1215	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1216		1435
1217	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1218	$name.	1437	$name.
1219		1438
1220	=cut	1439	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1227		1446
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1448	}
1230		1449
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1232		1451
1233	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1234	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1235	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1236	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1237	has logged in successfully.	1456	has logged in successfully.
1238		1457
1239	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1240	called.
1241		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1243		1466
1244	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1245	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1246	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1247	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1248	log-in.	1471	log-in.
1249		1472
1250	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1251	called.
1252		1474
1253	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1254		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1255	sub register_extcmd {	1482	sub register_extcmd($$) {
1256	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1257		1484
1258	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1259	}	1486	}
1260		1487
1261	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1262	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1263		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1264	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1265	}	1498	}
1266		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1267	cf::player->attach (	1508	cf::player->attach (
1268	on_command => sub {	1509	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1270		1511
1271	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1272	or return;	1513	or return;
1273		1514
…		…
1281	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1282		1523
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1525
1285	if (ref $msg) {	1526	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1528
1291	my @reply;
1292
1293	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1295	}	1547	}
1296		1548
1297	$pl->ext_reply ($reply, @reply)
1298	if $reply;
1299
1300	} else {	1549	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1551	}
1303		1552
1304	cf::override;	1553	cf::override;
1305	},	1554	},
1306	);	1555	);
1307		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1308	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1309	cf::sync_job {	1586	cf::sync_job {
1310	my %todo;	1587	my %todo;
1311		1588
1312	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1590	next unless -r $path;
…		…
1331		1608
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1611
1335	$ext{source} =	1612	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1338	. $source	1615	. $source
1339	. "\n};\n1";	1616	. "\n};\n1";
1340		1617
1341	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1342	}	1619	}
1343		1620
		1621	my $pass = 0;
1344	my %done;	1622	my %done;
1345	while (%todo) {	1623	while (%todo) {
1346	my $progress;	1624	my $progress;
1347		1625
		1626	++$pass;
		1627
		1628	ext:
1348	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1631	next ext
1351	unless exists $done{$_};	1632	unless exists $done{$_};
1352	}	1633	}
1353		1634
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1636
1356	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1650
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1652	if exists $v->{meta}{mandatory};
1364		1653
1365	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1366	}	1663	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1664	}
1372		1665
1373	skip:	1666	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1376	}	1676	}
1377	};	1677	};
1378	}	1678	}
1379		1679
1380	#############################################################################	1680	#############################################################################
1381		1681
1382	=back	1682	=back
1383		1683
1384	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1385		1685
1386	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1387		1687
1388	=cut	1688	=cut
1389		1689
1390	package cf::player;	1690	package cf::player;
1391		1691
…		…
1434		1734
1435	sub exists($) {	1735	sub exists($) {
1436	my ($login) = @_;	1736	my ($login) = @_;
1437		1737
1438	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1440	}	1740	}
1441		1741
1442	sub find($) {	1742	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1744	my $login = $_[0];
…		…
1464	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1465	}	1765	}
1466	}	1766	}
1467	}	1767	}
1468		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1469	sub save($) {	1782	sub save($) {
1470	my ($pl) = @_;	1783	my ($pl) = @_;
1471		1784
1472	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1473		1786
…		…
1478		1791
1479	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1480	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1481		1794
1482	cf::get_slot 0.01;	1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1483		1799
1484	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1485	cf::cede_to_tick;	1801	cf::cede_to_tick;
1486	}	1802	}
1487		1803
…		…
1519	my ($pl) = @_;	1835	my ($pl) = @_;
1520		1836
1521	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1522		1838
1523	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1841
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1527	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1529	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1530		1850
1531	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1533	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1587	\@logins	1907	\@logins
1588	}	1908	}
1589		1909
1590	=item $player->maps	1910	=item $player->maps
1591		1911
		1912	=item cf::player::maps $login
		1913
1592	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1593	player. May block.	1915	player. May block.
1594		1916
1595	=cut	1917	=cut
1596		1918
…		…
1613	}	1935	}
1614		1936
1615	\@paths	1937	\@paths
1616	}	1938	}
1617		1939
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1941
1620	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710
1711	=item $player->ext_reply ($msgid, @msg)
1712
1713	Sends an ext reply to the player.
1714
1715	=cut
1716
1717	sub ext_reply($$@) {
1718	my ($self, $id, @msg) = @_;
1719
1720	$self->ns->ext_reply ($id, @msg)
1721	}
1722		1943
1723	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1724		1945
1725	Sends an ext event to the client.	1946	Sends an ext event to the client.
1726		1947
…		…
1746		1967
1747	=cut	1968	=cut
1748		1969
1749	sub find_by_path($) {	1970	sub find_by_path($) {
1750	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1751		1974
1752	my ($match, $specificity);	1975	my ($match, $specificity);
1753		1976
1754	for my $region (list) {	1977	for my $region (list) {
1755	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1784	sub generate_random_map {	2007	sub generate_random_map {
1785	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1786		2009
1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1788		2011
1789	# mit "rum" bekleckern, nicht
1790	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1794	$rmp->{exit_on_final_map},
1795	$rmp->{xsize}, $rmp->{ysize},
1796	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1797	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1798	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1799	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1802	)
1803	}	2013	}
1804		2014
1805	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1806		2016
1807	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1812		2022
1813	sub register {	2023	sub register {
1814	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1815	my $pkg = caller;	2025	my $pkg = caller;
1816		2026
1817	no strict;
1818	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1819		2028
1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1821	}	2030	}
1822		2031
1823	# also paths starting with '/'	2032	# also paths starting with '/'
1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1825		2034
1826	sub thawer_merge {	2035	sub thawer_merge {
1827	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1828		2037
1829	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1834	}	2043	}
1835		2044
1836	sub normalise {	2045	sub normalise {
1837	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1838		2047
1839	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1840		2049
1841	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1842		2051
1843	# map plan:	2052	# map plan:
1844	#	2053	#
…		…
1859	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1860	$path = "$base/$path";	2069	$path = "$base/$path";
1861	}	2070	}
1862		2071
1863	for ($path) {	2072	for ($path) {
1864	redo if s{//}{/};
1865	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1866	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1867	}	2075	}
1868		2076
1869	$path	2077	$path
…		…
1883	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1884	return $self;	2092	return $self;
1885	}	2093	}
1886	}	2094	}
1887		2095
1888	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1889	()	2097	()
1890	}	2098	}
1891		2099
		2100	# may re-bless or do other evil things
1892	sub init {	2101	sub init {
1893	my ($self) = @_;	2102	my ($self) = @_;
1894		2103
1895	$self	2104	$self
1896	}	2105	}
…		…
1927		2136
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1930	}	2139	}
1931		2140
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	2141	sub decay_objects {
1942	my ($self) = @_;	2142	my ($self) = @_;
1943		2143
1944	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1945		2145
…		…
1970	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1971		2171
1972	1	2172	1
1973	}	2173	}
1974		2174
		2175	# used to laod the header of an original map
1975	sub load_header_orig {	2176	sub load_header_orig {
1976	my ($self) = @_;	2177	my ($self) = @_;
1977		2178
1978	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1979	}	2180	}
1980		2181
		2182	# used to laod the header of an instantiated map
1981	sub load_header_temp {	2183	sub load_header_temp {
1982	my ($self) = @_;	2184	my ($self) = @_;
1983		2185
1984	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1985	}	2187	}
1986		2188
		2189	# called after loading the header from an instantiated map
1987	sub prepare_temp {	2190	sub prepare_temp {
1988	my ($self) = @_;	2191	my ($self) = @_;
1989		2192
1990	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1991	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1992	# safety	2195	# safety
1993	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1994	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1995	}	2198	}
1996		2199
		2200	# called after loading the header from an original map
1997	sub prepare_orig {	2201	sub prepare_orig {
1998	my ($self) = @_;	2202	my ($self) = @_;
1999		2203
2000	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2001	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2025		2229
2026	sub find;	2230	sub find;
2027	sub find {	2231	sub find {
2028	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2029		2233
		2234	cf::cede_to_tick;
		2235
2030	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2031		2237
2032	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2034		2240
2035	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037	my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2040	or return;	2243	or return;
2041		2244
2042	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2043		2246
…		…
2055		2258
2056	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2057	}	2260	}
2058	}	2261	}
2059		2262
2060	sub pre_load { }	2263	sub pre_load { }
2061	sub post_load { }	2264	#sub post_load { } # XS
2062		2265
2063	sub load {	2266	sub load {
2064	my ($self) = @_;	2267	my ($self) = @_;
2065		2268
2066	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2069		2272
2070	{	2273	{
2071	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2072		2275
2073	return unless $self->valid;	2276	return unless $self->valid;
2074	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2075
2076	$self->in_memory (cf::MAP_LOADING);
2077		2278
2078	$self->alloc;	2279	$self->alloc;
2079		2280
2080	$self->pre_load;	2281	$self->pre_load;
2081	cf::cede_to_tick;	2282	cf::cede_to_tick;
2082		2283
		2284	if (exists $self->{load_path}) {
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2286	$f->skip_block;
2085	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2086	or return;	2288	or return;
2087		2289
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2089	if delete $self->{load_original};	2291	if delete $self->{load_original};
2090		2292
2091	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2294	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2094	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2095	$self->clear_unique_items;	2297	$self->clear_unique_items;
2096	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2097	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2098	}	2301	}
2099	}	2302	}
2100	}
2101		2303
2102	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2103		2311
2104	cf::cede_to_tick;	2312	cf::cede_to_tick;
2105	# now do the right thing for maps	2313	# now do the right thing for maps
2106	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2107	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2111	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2320	$self->decay_objects;
2113	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2114	$self->update_buttons;	2322	$self->update_buttons;
2115	cf::cede_to_tick;	2323	cf::cede_to_tick;
2116	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2117	cf::cede_to_tick;
2118	$self->activate;
2119	}	2325	}
2120		2326
2121	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2122	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2123
2124	$self->in_memory (cf::MAP_ACTIVE);
2125	}	2329	}
2126		2330
2127	$self->post_load;	2331	$self->post_load;
2128	}
2129		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2130	sub customise_for {	2339	sub customise_for {
2131	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2132		2341
2133	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2134	if $self->per_player;	2343	if $self->per_player;
…		…
2137	# if $self->per_party;	2346	# if $self->per_party;
2138		2347
2139	$self	2348	$self
2140	}	2349	}
2141		2350
2142	# find and load all maps in the 3x3 area around a map
2143	sub load_neighbours {
2144	my ($map) = @_;
2145
2146	my @neigh; # diagonal neighbours
2147
2148	for (0 .. 3) {
2149	my $neigh = $map->tile_path ($_)
2150	or next;
2151	$neigh = find $neigh, $map
2152	or next;
2153	$neigh->load;
2154
2155	push @neigh,
2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2158	}
2159
2160	for (grep defined $_->[0], @neigh) {
2161	my ($path, $origin) = @$_;
2162	my $neigh = find $path, $origin
2163	or next;
2164	$neigh->load;
2165	}
2166	}
2167
2168	sub find_sync {	2351	sub find_sync {
2169	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2170		2353
2171	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2172	}	2359	}
2173		2360
2174	sub do_load_sync {	2361	sub do_load_sync {
2175	my ($map) = @_;	2362	my ($map) = @_;
2176		2363
		2364	# it's a bug to call this from the main context
2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2178	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2179		2367
2180	cf::sync_job { $map->load };	2368	$map->load;
2181	}	2369	}
2182		2370
2183	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2184	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2185		2373
2186	sub find_async {	2374	sub find_async {
2187	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2188		2376
2189	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2190		2378
2191	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2193	}	2381	}
2194		2382
2195	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2196		2384
2197	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2211	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2212		2400
2213	()	2401	()
2214	}	2402	}
2215		2403
		2404	# common code, used by both ->save and ->swapout
2216	sub save {	2405	sub _save {
2217	my ($self) = @_;	2406	my ($self) = @_;
2218
2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2220		2407
2221	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2222		2409
2223	return unless $self->dirty;	2410	return unless $self->dirty;
2224		2411
…		…
2244	} else {	2431	} else {
2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2246	}	2433	}
2247	}	2434	}
2248		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2249	sub swap_out {	2444	sub swap_out {
2250	my ($self) = @_;	2445	my ($self) = @_;
2251		2446
2252	# save first because save cedes
2253	$self->save;
2254
2255	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2256		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2257	return if $self->players;	2451	return if $self->players;
2258	return if $self->in_memory != cf::MAP_ACTIVE;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2259	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2260		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2261	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2262		2503
2263	$self->deactivate;	2504	$self->deactivate;
2264	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2265	$self->clear;	2506	$self->clear;
2266	}
2267
2268	sub reset_at {
2269	my ($self) = @_;
2270
2271	# TODO: safety, remove and allow resettable per-player maps
2272	return 1e99 if $self->{deny_reset};
2273
2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2276
2277	$time + $to
2278	}
2279
2280	sub should_reset {
2281	my ($self) = @_;
2282
2283	$self->reset_at <= $cf::RUNTIME
2284	}
2285
2286	sub reset {
2287	my ($self) = @_;
2288
2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2290
2291	return if $self->players;
2292
2293	warn "resetting map ", $self->path;
2294
2295	$self->in_memory (cf::MAP_SWAPPED);
2296
2297	# need to save uniques path
2298	unless ($self->{deny_save}) {
2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
2300
2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2302	if $uniq;
2303	}
2304
2305	delete $cf::MAP{$self->path};
2306
2307	$self->deactivate;
2308	$_->clear_links_to ($self) for values %cf::MAP;
2309	$self->clear;
2310		2507
2311	$self->unlink_save;	2508	$self->unlink_save;
2312	$self->destroy;	2509	$self->destroy;
2313	}	2510	}
2314		2511
…		…
2322		2519
2323	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2324		2521
2325	$self->unlink_save;	2522	$self->unlink_save;
2326		2523
2327	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2328	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2329	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2330	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2332		2529
…		…
2389	: normalise $_	2586	: normalise $_
2390	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2391	]	2588	]
2392	}	2589	}
2393		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2394	=back	2623	=back
2395		2624
2396	=head3 cf::object	2625	=head3 cf::object
2397		2626
2398	=cut	2627	=cut
…		…
2421		2650
2422	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2423		2652
2424	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2425		2654
2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2427	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2428		2657
2429	=cut	2658	=cut
2430		2659
2431	sub deref {	2660	sub deref {
…		…
2463		2692
2464	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2465	id => "say",	2694	id => "say",
2466	title => "Map",	2695	title => "Map",
2467	reply => "say ",	2696	reply => "say ",
2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2469	};	2698	};
2470		2699
2471	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2472	id => "chat",	2701	id => "chat",
2473	title => "Chat",	2702	title => "Chat",
…		…
2528		2757
2529	=item $player_object->enter_link	2758	=item $player_object->enter_link
2530		2759
2531	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2532		2761
2533	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2534	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2535		2766
2536	Will never block.	2767	Will never block.
2537		2768
2538	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2539		2770
…		…
2559	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2560	my ($self) = @_;	2791	my ($self) = @_;
2561		2792
2562	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2563		2794
		2795	++$self->{_link_recursion};
		2796
2564	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2565		2798
2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2567	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2568		2801
2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2570	}	2803	}
2571		2804
2572	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2573	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2574		2807
…		…
2591	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2592	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2593		2826
2594	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2595	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2596	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2597		2830
2598	$map->load;	2831	$map->load;
2599	$map->load_neighbours;
2600		2832
2601	return unless $self->contr->active;	2833	return unless $self->contr->active;
2602	$self->activate_recursive;
2603		2834
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2606	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2607		2842
		2843	}
		2844
2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2609		2846
2610	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2611	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2612	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2613	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2614	be called at the end of this process.	2851	be called at the end of this process.
2615		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2616	=cut	2856	=cut
2617		2857
2618	our $GOTOGEN;	2858	our $GOTOGEN;
2619		2859
2620	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2621	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2622		2868
2623	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2625		2871
2626	$self->enter_link;	2872	$self->enter_link;
…		…
2646	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2647	}	2893	}
2648	}	2894	}
2649		2895
2650	my $map = eval {	2896	my $map = eval {
2651	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2652		2898
2653	if ($map) {	2899	if ($map) {
2654	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2655	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2656	} else {	2902	} else {
2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2658	}	2904	}
2659		2905
2660	$map	2906	$map
…		…
2668	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2669	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2670	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2671	}	2917	}
2672		2918
2673	$done->() if $done;	2919	$done->($self) if $done;
2674	})->prio (1);	2920	})->prio (1);
2675	}	2921	}
2676		2922
2677	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2678		2924
…		…
2746	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2747		2993
2748	unless (eval {	2994	unless (eval {
2749	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2750		2996
2751	# random map handling
2752	{
2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
2754
2755	prepare_random_map $exit
2756	if $exit->slaying eq "/!";
2757	}
2758
2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2760	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2761	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2762		3023
2763	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2764		3025
2765	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2766	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2767	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2768		3029
2769	1	3030	1
2770	}) {	3031	}) {
2771	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2772	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2773	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2774	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2775		3036
2776	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2777	$self->leave_link;	3038	$self->leave_link;
2778	}	3039	}
2779	})->prio (1);	3040	})->prio (1);
2780	}	3041	}
2781		3042
…		…
2793	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2794	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2795		3056
2796	utf8::encode $text;	3057	utf8::encode $text;
2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3059	}
		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
2798	}	3084	}
2799		3085
2800	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2801		3087
2802	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2806		3092
2807	=cut	3093	=cut
2808		3094
2809	# non-persistent channels (usually the info channel)	3095	# non-persistent channels (usually the info channel)
2810	our %CHANNEL = (	3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
2811	"c/identify" => {	3103	"c/identify" => {
2812	id => "infobox",	3104	id => "infobox",
2813	title => "Identify",	3105	title => "Identify",
2814	reply => undef,	3106	reply => undef,
2815	tooltip => "Items recently identified",	3107	tooltip => "Items recently identified",
…		…
2817	"c/examine" => {	3109	"c/examine" => {
2818	id => "infobox",	3110	id => "infobox",
2819	title => "Examine",	3111	title => "Examine",
2820	reply => undef,	3112	reply => undef,
2821	tooltip => "Signs and other items you examined",	3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
2822	},	3120	},
2823	"c/book" => {	3121	"c/book" => {
2824	id => "infobox",	3122	id => "infobox",
2825	title => "Book",	3123	title => "Book",
2826	reply => undef,	3124	reply => undef,
…		…
2842	id => "infobox",	3140	id => "infobox",
2843	title => "Body Parts",	3141	title => "Body Parts",
2844	reply => undef,	3142	reply => undef,
2845	tooltip => "Shows which body parts you posess and are available",	3143	tooltip => "Shows which body parts you posess and are available",
2846	},	3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
2847	"c/uptime" => {	3181	"c/uptime" => {
2848	id => "infobox",	3182	id => "infobox",
2849	title => "Uptime",	3183	title => "Uptime",
2850	reply => undef,	3184	reply => undef,
2851	tooltip => "How long the server has been running since last restart",	3185	tooltip => "How long the server has been running since last restart",
…		…
2860	id => "party",	3194	id => "party",
2861	title => "Party",	3195	title => "Party",
2862	reply => "gsay ",	3196	reply => "gsay ",
2863	tooltip => "Messages and chat related to your party",	3197	tooltip => "Messages and chat related to your party",
2864	},	3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/say" => $SAY_CHANNEL,
		3206	"c/chat" => $CHAT_CHANNEL,
2865	);	3207	);
2866		3208
2867	sub cf::client::send_msg {	3209	sub cf::client::send_msg {
2868	my ($self, $channel, $msg, $color, @extra) = @_;	3210	my ($self, $channel, $msg, $color, @extra) = @_;
2869		3211
2870	$msg = $self->pl->expand_cfpod ($msg);	3212	$msg = $self->pl->expand_cfpod ($msg)
		3213	unless $color & cf::NDI_VERBATIM;
2871		3214
2872	$color &= cf::NDI_CLIENT_MASK; # just in case...	3215	$color &= cf::NDI_CLIENT_MASK; # just in case...
2873		3216
2874	# check predefined channels, for the benefit of C	3217	# check predefined channels, for the benefit of C
2875	if ($CHANNEL{$channel}) {	3218	if ($CHANNEL{$channel}) {
2876	$channel = $CHANNEL{$channel};	3219	$channel = $CHANNEL{$channel};
2877		3220
2878	$self->ext_msg (channel_info => $channel)	3221	$self->ext_msg (channel_info => $channel);
2879	if $self->can_msg;
2880
2881	$channel = $channel->{id};	3222	$channel = $channel->{id};
2882		3223
2883	} elsif (ref $channel) {	3224	} elsif (ref $channel) {
2884	# send meta info to client, if not yet sent	3225	# send meta info to client, if not yet sent
2885	unless (exists $self->{channel}{$channel->{id}}) {	3226	unless (exists $self->{channel}{$channel->{id}}) {
2886	$self->{channel}{$channel->{id}} = $channel;	3227	$self->{channel}{$channel->{id}} = $channel;
2887	$self->ext_msg (channel_info => $channel)	3228	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889	}	3229	}
2890		3230
2891	$channel = $channel->{id};	3231	$channel = $channel->{id};
2892	}	3232	}
2893		3233
2894	return unless @extra || length $msg;	3234	return unless @extra || length $msg;
2895		3235
2896	if ($self->can_msg) {
2897	# default colour, mask it out	3236	# default colour, mask it out
2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3237	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899	if $color & cf::NDI_DEF;	3238	if $color & cf::NDI_DEF;
2900		3239
2901	$self->send_packet ("msg " . $self->{json_coder}->encode (	3240	my $pkt = "msg "
		3241	. $self->{json_coder}->encode (
2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3242	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903	} else {	3243	);
2904	if ($color >= 0) {
2905	# replace some tags by gcfclient-compatible ones
2906	for ($msg) {
2907	1 while
2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913	}
2914		3244
2915	$color &= cf::NDI_COLOR_MASK;	3245	$self->send_big_packet ($pkt);
2916
2917	utf8::encode $msg;
2918
2919	if (0 && $msg =~ /\[/) {
2920	# COMMAND/INFO
2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2922	} else {
2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2924	$self->send_packet ("drawinfo $color $msg")
2925	}
2926	}
2927	}
2928	}	3246	}
2929		3247
2930	=item $client->ext_msg ($type, @msg)	3248	=item $client->ext_msg ($type, @msg)
2931		3249
2932	Sends an ext event to the client.	3250	Sends an ext event to the client.
…		…
2934	=cut	3252	=cut
2935		3253
2936	sub cf::client::ext_msg($$@) {	3254	sub cf::client::ext_msg($$@) {
2937	my ($self, $type, @msg) = @_;	3255	my ($self, $type, @msg) = @_;
2938		3256
2939	if ($self->extcmd == 2) {
2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3257	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2941	} elsif ($self->extcmd == 1) { # TODO: remove
2942	push @msg, msgtype => "event_$type";
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2944	}
2945	}
2946
2947	=item $client->ext_reply ($msgid, @msg)
2948
2949	Sends an ext reply to the client.
2950
2951	=cut
2952
2953	sub cf::client::ext_reply($$@) {
2954	my ($self, $id, @msg) = @_;
2955
2956	if ($self->extcmd == 2) {
2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2958	} elsif ($self->extcmd == 1) {
2959	#TODO: version 1, remove
2960	unshift @msg, msgtype => "reply", msgid => $id;
2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2962	}
2963	}	3258	}
2964		3259
2965	=item $success = $client->query ($flags, "text", \&cb)	3260	=item $success = $client->query ($flags, "text", \&cb)
2966		3261
2967	Queues a query to the client, calling the given callback with	3262	Queues a query to the client, calling the given callback with
…		…
3022	my ($ns, $buf) = @_;	3317	my ($ns, $buf) = @_;
3023		3318
3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3319	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3025		3320
3026	if (ref $msg) {	3321	if (ref $msg) {
3027	my ($type, $reply, @payload) =	3322	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3028	"ARRAY" eq ref $msg
3029	? @$msg
3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3031		3323
3032	my @reply;
3033
3034	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTIACMD{$type}) {
		3325	$cb->(
		3326	$ns,
		3327	sub {
		3328	$ns->ext_msg ("reply-$reply", @_)
		3329	if $reply;
		3330	},
		3331	@payload
		3332	);
		3333	} else {
		3334	my @reply;
		3335
		3336	if (my $cb = $EXTICMD{$type}) {
3035	@reply = $cb->($ns, @payload);	3337	@reply = $cb->($ns, @payload);
		3338	}
		3339
		3340	$ns->ext_msg ("reply-$reply", @reply)
		3341	if $reply;
3036	}	3342	}
3037
3038	$ns->ext_reply ($reply, @reply)
3039	if $reply;
3040
3041	} else {	3343	} else {
3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3344	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3043	}	3345	}
3044		3346
3045	cf::override;	3347	cf::override;
3046	},	3348	},
3047	);	3349	);
…		…
3067		3369
3068	$coro	3370	$coro
3069	}	3371	}
3070		3372
3071	cf::client->attach (	3373	cf::client->attach (
3072	on_destroy => sub {	3374	on_client_destroy => sub {
3073	my ($ns) = @_;	3375	my ($ns) = @_;
3074		3376
3075	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3377	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3076	},	3378	},
3077	);	3379	);
…		…
3093	our $safe_hole = new Safe::Hole;	3395	our $safe_hole = new Safe::Hole;
3094		3396
3095	$SIG{FPE} = 'IGNORE';	3397	$SIG{FPE} = 'IGNORE';
3096		3398
3097	$safe->permit_only (Opcode::opset qw(	3399	$safe->permit_only (Opcode::opset qw(
3098	:base_core :base_mem :base_orig :base_math	3400	:base_core :base_mem :base_orig :base_math :base_loop
3099	grepstart grepwhile mapstart mapwhile	3401	grepstart grepwhile mapstart mapwhile
3100	sort time	3402	sort time
3101	));	3403	));
3102		3404
3103	# here we export the classes and methods available to script code	3405	# here we export the classes and methods available to script code
…		…
3107	The following functions and methods are available within a safe environment:	3409	The following functions and methods are available within a safe environment:
3108		3410
3109	cf::object	3411	cf::object
3110	contr pay_amount pay_player map x y force_find force_add destroy	3412	contr pay_amount pay_player map x y force_find force_add destroy
3111	insert remove name archname title slaying race decrease split	3413	insert remove name archname title slaying race decrease split
		3414	value
3112		3415
3113	cf::object::player	3416	cf::object::player
3114	player	3417	player
3115		3418
3116	cf::player	3419	cf::player
…		…
3122	=cut	3425	=cut
3123		3426
3124	for (	3427	for (
3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3428	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126	insert remove inv nrof name archname title slaying race	3429	insert remove inv nrof name archname title slaying race
3127	decrease split destroy)],	3430	decrease split destroy change_exp value msg lore send_msg)],
3128	["cf::object::player" => qw(player)],	3431	["cf::object::player" => qw(player)],
3129	["cf::player" => qw(peaceful)],	3432	["cf::player" => qw(peaceful send_msg)],
3130	["cf::map" => qw(trigger)],	3433	["cf::map" => qw(trigger)],
3131	) {	3434	) {
3132	no strict 'refs';
3133	my ($pkg, @funs) = @$_;	3435	my ($pkg, @funs) = @$_;
3134	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3436	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3135	for @funs;	3437	for @funs;
3136	}	3438	}
3137		3439
…		…
3152		3454
3153	my $qcode = $code;	3455	my $qcode = $code;
3154	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3456	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3155	$qcode =~ s/\n/\\n/g;	3457	$qcode =~ s/\n/\\n/g;
3156		3458
		3459	%vars = (_dummy => 0) unless %vars;
		3460
		3461	my @res;
3157	local $_;	3462	local $_;
3158	local @safe::cf::_safe_eval_args = values %vars;
3159		3463
3160	my $eval =	3464	my $eval =
3161	"do {\n"	3465	"do {\n"
3162	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3466	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3163	. "#line 0 \"{$qcode}\"\n"	3467	. "#line 0 \"{$qcode}\"\n"
3164	. $code	3468	. $code
3165	. "\n}"	3469	. "\n}"
3166	;	3470	;
3167		3471
		3472	if ($CFG{safe_eval}) {
3168	sub_generation_inc;	3473	sub_generation_inc;
		3474	local @safe::cf::_safe_eval_args = values %vars;
3169	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3475	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3170	sub_generation_inc;	3476	sub_generation_inc;
		3477	} else {
		3478	local @cf::_safe_eval_args = values %vars;
		3479	@res = wantarray ? eval eval : scalar eval $eval;
		3480	}
3171		3481
3172	if ($@) {	3482	if ($@) {
3173	warn "$@";	3483	warn "$@",
3174	warn "while executing safe code '$code'\n";	3484	"while executing safe code '$code'\n",
3175	warn "with arguments " . (join " ", %vars) . "\n";	3485	"with arguments " . (join " ", %vars) . "\n";
3176	}	3486	}
3177		3487
3178	wantarray ? @res : $res[0]	3488	wantarray ? @res : $res[0]
3179	}	3489	}
3180		3490
…		…
3194	=cut	3504	=cut
3195		3505
3196	sub register_script_function {	3506	sub register_script_function {
3197	my ($fun, $cb) = @_;	3507	my ($fun, $cb) = @_;
3198		3508
3199	no strict 'refs';	3509	$fun = "safe::$fun" if $CFG{safe_eval};
3200	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3510	*$fun = $safe_hole->wrap ($cb);
3201	}	3511	}
3202		3512
3203	=back	3513	=back
3204		3514
3205	=cut	3515	=cut
3206		3516
3207	#############################################################################	3517	#############################################################################
3208	# the server's init and main functions	3518	# the server's init and main functions
3209		3519
		3520	{
		3521	package cf::face;
		3522
		3523	our %HASH; # hash => idx
		3524	our @DATA; # dynamically-created facedata, only faceste 0 used
		3525	our @FOFS; # file offset, if > 0
		3526	our @SIZE; # size of face, in octets
		3527	our @META; # meta hash of face, if any
		3528	our $DATAFH; # facedata filehandle
		3529
		3530	# internal api, not finalised
		3531	sub set {
		3532	my ($name, $type, $data) = @_;
		3533
		3534	my $idx = cf::face::find $name;
		3535
		3536	if ($idx) {
		3537	delete $HASH{cf::face::get_chksum $idx};
		3538	} else {
		3539	$idx = cf::face::alloc $name;
		3540	}
		3541
		3542	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3543
		3544	cf::face::set_type $idx, $type;
		3545	cf::face::set_csum $idx, 0, $hash;
		3546
		3547	# we need to destroy the SV itself, not just modify it, as a running ix
		3548	# might hold a reference to it: "delete" achieves that.
		3549	delete $FOFS[0][$idx];
		3550	delete $DATA[0][$idx];
		3551	$DATA[0][$idx] = $data;
		3552	$SIZE[0][$idx] = length $data;
		3553	delete $META[$idx];
		3554	$HASH{$hash} = $idx;#d#
		3555
		3556	$idx
		3557	}
		3558
		3559	sub _get_data($$$) {
		3560	my ($idx, $set, $cb) = @_;
		3561
		3562	if (defined $DATA[$set][$idx]) {
		3563	$cb->($DATA[$set][$idx]);
		3564	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3565	my $size = $SIZE[$set][$idx];
		3566	my $buf;
		3567	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3568	if ($_[0] == $size) {
		3569	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3570	$cb->($buf);
		3571	} else {
		3572	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3573	}
		3574	};
		3575	} else {
		3576	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3577	}
		3578	}
		3579
		3580	# rather ineffient
		3581	sub cf::face::get_data($;$) {
		3582	my ($idx, $set) = @_;
		3583
		3584	_get_data $idx, $set, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $set, $idx, $pri) = @_;
		3590
		3591	_get_data $idx, $set, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595	}
		3596
3210	sub load_facedata($) {	3597	sub load_facedata($) {
3211	my ($path) = @_;	3598	my ($path) = @_;
3212		3599
3213	# HACK to clear player env face cache, we need some signal framework
3214	# for this (global event?)
3215	%ext::player_env::MUSIC_FACE_CACHE = ();
3216
3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3600	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3218		3601
3219	warn "loading facedata from $path\n";	3602	trace "loading facedata from $path\n";
3220		3603
3221	my $facedata;	3604	my $facedata = decode_storable load_file "$path/faceinfo";
3222	0 < aio_load $path, $facedata
3223	or die "$path: $!";
3224
3225	$facedata = Coro::Storable::thaw $facedata;
3226		3605
3227	$facedata->{version} == 2	3606	$facedata->{version} == 2
3228	or cf::cleanup "$path: version mismatch, cannot proceed.";	3607	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3229		3608
3230	# patch in the exptable	3609	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3231	$facedata->{resource}{"res/exp_table"} = {	3610	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3232	type => FT_RSRC,	3611
3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3612	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3234	};	3613
3235	cf::cede_to_tick;	3614	# BEGIN ATOMIC
		3615	# from here on, everything must be atomic - no thread switch allowed
		3616	my $t1 = EV::time;
3236		3617
3237	{	3618	{
3238	my $faces = $facedata->{faceinfo};	3619	my $faces = $facedata->{faceinfo};
3239		3620
3240	while (my ($face, $info) = each %$faces) {	3621	for my $face (sort keys %$faces) {
		3622	my $info = $faces->{$face};
3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3623	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3242		3624
3243	cf::face::set_visibility $idx, $info->{visibility};	3625	cf::face::set_visibility $idx, $info->{visibility};
3244	cf::face::set_magicmap $idx, $info->{magicmap};	3626	cf::face::set_magicmap $idx, $info->{magicmap};
3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3627	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3628	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3247		3629	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3248	cf::cede_to_tick;	3630	$cf::face::HASH{$info->{hash64}} = $idx;
		3631	delete $cf::face::META[$idx];
3249	}	3632	}
3250		3633
3251	while (my ($face, $info) = each %$faces) {	3634	while (my ($face, $info) = each %$faces) {
3252	next unless $info->{smooth};	3635	next unless $info->{smooth};
3253		3636
…		…
3256		3639
3257	if (my $smooth = cf::face::find $info->{smooth}) {	3640	if (my $smooth = cf::face::find $info->{smooth}) {
3258	cf::face::set_smooth $idx, $smooth;	3641	cf::face::set_smooth $idx, $smooth;
3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3642	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3260	} else {	3643	} else {
3261	warn "smooth face '$info->{smooth}' not found for face '$face'";	3644	error "smooth face '$info->{smooth}' not found for face '$face'";
3262	}	3645	}
3263
3264	cf::cede_to_tick;
3265	}	3646	}
3266	}	3647	}
3267		3648
3268	{	3649	{
3269	my $anims = $facedata->{animinfo};	3650	my $anims = $facedata->{animinfo};
3270		3651
3271	while (my ($anim, $info) = each %$anims) {	3652	while (my ($anim, $info) = each %$anims) {
3272	cf::anim::set $anim, $info->{frames}, $info->{facings};	3653	cf::anim::set $anim, $info->{frames}, $info->{facings};
3273	cf::cede_to_tick;
3274	}	3654	}
3275		3655
3276	cf::anim::invalidate_all; # d'oh	3656	cf::anim::invalidate_all; # d'oh
3277	}	3657	}
3278		3658
3279	{	3659	{
3280	# TODO: for gcfclient pleasure, we should give resources
3281	# that gcfclient doesn't grok a >10000 face index.
3282	my $res = $facedata->{resource};	3660	my $res = $facedata->{resource};
3283		3661
3284	while (my ($name, $info) = each %$res) {	3662	while (my ($name, $info) = each %$res) {
3285	if (defined $info->{type}) {	3663	if (defined (my $type = $info->{type})) {
		3664	# TODO: different hash - must free and use new index, or cache ixface data queue
3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3665	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3287	my $data;
3288		3666
3289	if ($info->{type} & 1) {
3290	# prepend meta info
3291
3292	my $meta = $enc->encode ({
3293	name => $name,
3294	%{ $info->{meta} || {} },
3295	});
3296
3297	$data = pack "(w/a*)*", $meta, $info->{data};
3298	} else {
3299	$data = $info->{data};
3300	}
3301
3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3303	cf::face::set_type $idx, $info->{type};	3667	cf::face::set_type $idx, $type;
		3668	cf::face::set_csum $idx, 0, $info->{hash};
		3669	$cf::face::SIZE[0][$idx] = $info->{size};
		3670	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3671	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3672	$cf::face::HASH{$info->{hash}} = $idx;
3304	} else {	3673	} else {
3305	$RESOURCE{$name} = $info;	3674	# $RESOURCE{$name} = $info; # unused
3306	}	3675	}
3307
3308	cf::cede_to_tick;
3309	}	3676	}
3310	}	3677	}
		3678
		3679	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3680
		3681	# HACK to clear player env face cache, we need some signal framework
		3682	# for this (global event?)
		3683	%ext::player_env::MUSIC_FACE_CACHE = ();
		3684
		3685	# END ATOMIC
		3686
		3687	cf::debug "facedata atomic update time ", EV::time - $t1;
3311		3688
3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3689	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3313		3690
		3691	aio_close $fh if $fh; # close old facedata
		3692
3314	1	3693	1
3315	}	3694	}
3316
3317	cf::global->attach (on_resource_update => sub {
3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3320
3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3322	my $sound = $soundconf->{compat}[$_]
3323	or next;
3324
3325	my $face = cf::face::find "sound/$sound->[1]";
3326	cf::sound::set $sound->[0] => $face;
3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3328	}
3329
3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
3331	my $face = cf::face::find "sound/$v";
3332	cf::sound::set $k => $face;
3333	}
3334	}
3335	});
3336		3695
3337	register_exticmd fx_want => sub {	3696	register_exticmd fx_want => sub {
3338	my ($ns, $want) = @_;	3697	my ($ns, $want) = @_;
3339		3698
3340	while (my ($k, $v) = each %$want) {	3699	while (my ($k, $v) = each %$want) {
…		…
3348	my $status = load_resource_file_ $_[0];	3707	my $status = load_resource_file_ $_[0];
3349	get_slot 0.1, 100;	3708	get_slot 0.1, 100;
3350	cf::arch::commit_load;	3709	cf::arch::commit_load;
3351		3710
3352	$status	3711	$status
		3712	}
		3713
		3714	sub reload_exp_table {
		3715	_reload_exp_table;
		3716
		3717	cf::face::set
		3718	"res/exp_table" => FT_RSRC,
		3719	JSON::XS->new->utf8->canonical->encode (
		3720	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3721	);
		3722	}
		3723
		3724	sub reload_materials {
		3725	_reload_materials;
3353	}	3726	}
3354		3727
3355	sub reload_regions {	3728	sub reload_regions {
3356	# HACK to clear player env face cache, we need some signal framework	3729	# HACK to clear player env face cache, we need some signal framework
3357	# for this (global event?)	3730	# for this (global event?)
…		…
3365	if exists $_->{match};	3738	if exists $_->{match};
3366	}	3739	}
3367	}	3740	}
3368		3741
3369	sub reload_facedata {	3742	sub reload_facedata {
3370	load_facedata "$DATADIR/facedata"	3743	load_facedata $DATADIR
3371	or die "unable to load facedata\n";	3744	or die "unable to load facedata\n";
3372	}	3745	}
3373		3746
3374	sub reload_archetypes {	3747	sub reload_archetypes {
3375	load_resource_file "$DATADIR/archetypes"	3748	load_resource_file "$DATADIR/archetypes"
3376	or die "unable to load archetypes\n";	3749	or die "unable to load archetypes\n";
		3750
		3751	cf::face::set
		3752	"res/skill_info" => FT_RSRC,
		3753	JSON::XS->new->utf8->canonical->encode (
		3754	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3755	);
		3756
		3757	cf::face::set
		3758	"res/spell_paths" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3761	);
3377	}	3762	}
3378		3763
3379	sub reload_treasures {	3764	sub reload_treasures {
3380	load_resource_file "$DATADIR/treasures"	3765	load_resource_file "$DATADIR/treasures"
3381	or die "unable to load treasurelists\n";	3766	or die "unable to load treasurelists\n";
3382	}	3767	}
3383		3768
		3769	sub reload_sound {
		3770	trace "loading sound config from $DATADIR/sound\n";
		3771
		3772	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3773
		3774	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3775	my $sound = $soundconf->{compat}[$_]
		3776	or next;
		3777
		3778	my $face = cf::face::find "sound/$sound->[1]";
		3779	cf::sound::set $sound->[0] => $face;
		3780	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3781	}
		3782
		3783	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3784	my $face = cf::face::find "sound/$v";
		3785	cf::sound::set $k => $face;
		3786	}
		3787	}
		3788
3384	sub reload_resources {	3789	sub reload_resources {
3385	warn "reloading resource files...\n";	3790	trace "reloading resource files...\n";
3386		3791
		3792	reload_materials;
3387	reload_facedata;	3793	reload_facedata;
		3794	reload_exp_table;
		3795	reload_sound;
3388	reload_archetypes;	3796	reload_archetypes;
3389	reload_regions;	3797	reload_regions;
3390	reload_treasures;	3798	reload_treasures;
3391		3799
3392	warn "finished reloading resource files\n";	3800	trace "finished reloading resource files\n";
3393	}
3394
3395	sub init {
3396	my $guard = freeze_mainloop;
3397
3398	reload_resources;
3399	}	3801	}
3400		3802
3401	sub reload_config {	3803	sub reload_config {
3402	open my $fh, "<:utf8", "$CONFDIR/config"	3804	trace "reloading config file...\n";
3403	or return;
3404		3805
3405	local $/;	3806	my $config = load_file "$CONFDIR/config";
3406	*CFG = YAML::Load <$fh>;	3807	utf8::decode $config;
		3808	*CFG = decode_yaml $config;
3407		3809
3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3810	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3409		3811
3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3812	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3813	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3412		3814
3413	if (exists $CFG{mlockall}) {	3815	if (exists $CFG{mlockall}) {
…		…
3417	};	3819	};
3418	warn $@ if $@;	3820	warn $@ if $@;
3419	}	3821	}
3420	}	3822	}
3421		3823
		3824	sub pidfile() {
		3825	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3826	or die "$PIDFILE: $!";
		3827	flock $fh, &Fcntl::LOCK_EX
		3828	or die "$PIDFILE: flock: $!";
		3829	$fh
		3830	}
		3831
		3832	# make sure only one server instance is running at any one time
		3833	sub atomic {
		3834	my $fh = pidfile;
		3835
		3836	my $pid = <$fh>;
		3837	kill 9, $pid if $pid > 0;
		3838
		3839	seek $fh, 0, 0;
		3840	print $fh $$;
		3841	}
		3842
		3843	sub main_loop {
		3844	trace "EV::loop starting\n";
		3845	if (1) {
		3846	EV::loop;
		3847	}
		3848	trace "EV::loop returned\n";
		3849	goto &main_loop unless $REALLY_UNLOOP;
		3850	}
		3851
3422	sub main {	3852	sub main {
		3853	cf::init_globals; # initialise logging
		3854
		3855	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3856	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3857	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3858	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3859
		3860	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3861
3423	# we must not ever block the main coroutine	3862	# we must not ever block the main coroutine
3424	local $Coro::idle = sub {	3863	$Coro::idle = sub {
3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3864	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426	(async {	3865	(async {
3427	$Coro::current->{desc} = "IDLE BUG HANDLER";	3866	$Coro::current->{desc} = "IDLE BUG HANDLER";
3428	EV::loop EV::LOOP_ONESHOT;	3867	EV::loop EV::LOOP_ONESHOT;
3429	})->prio (Coro::PRIO_MAX);	3868	})->prio (Coro::PRIO_MAX);
3430	};	3869	};
3431		3870
3432	{	3871	evthread_start IO::AIO::poll_fileno;
3433	my $guard = freeze_mainloop;	3872
		3873	cf::sync_job {
		3874	cf::incloader::init ();
		3875
		3876	db_init;
		3877
		3878	cf::init_anim;
		3879	cf::init_attackmess;
		3880	cf::init_dynamic;
		3881
		3882	cf::load_settings;
		3883
		3884	reload_resources;
3434	reload_config;	3885	reload_config;
3435	db_init;	3886
		3887	cf::init_uuid;
		3888	cf::init_signals;
		3889	cf::init_skills;
		3890
		3891	cf::init_beforeplay;
		3892
		3893	atomic;
		3894
3436	load_extensions;	3895	load_extensions;
3437		3896
3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3897	utime time, time, $RUNTIMEFILE;
3439	evthread_start IO::AIO::poll_fileno;	3898
		3899	# no (long-running) fork's whatsoever before this point(!)
		3900	use POSIX ();
		3901	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3902
		3903	cf::_post_init 0;
3440	}	3904	};
3441		3905
3442	EV::loop;	3906	cf::object::thawer::errors_are_fatal 0;
		3907	info "parse errors in files are no longer fatal from this point on.\n";
		3908
		3909	AE::postpone {
		3910	undef &main; # free gobs of memory :)
		3911	};
		3912
		3913	goto &main_loop;
3443	}	3914	}
3444		3915
3445	#############################################################################	3916	#############################################################################
3446	# initialisation and cleanup	3917	# initialisation and cleanup
3447		3918
3448	# install some emergency cleanup handlers	3919	# install some emergency cleanup handlers
3449	BEGIN {	3920	BEGIN {
3450	our %SIGWATCHER = ();	3921	our %SIGWATCHER = ();
3451	for my $signal (qw(INT HUP TERM)) {	3922	for my $signal (qw(INT HUP TERM)) {
3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3923	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3453	cf::cleanup "SIG$signal";	3924	cf::cleanup "SIG$signal";
3454	};	3925	};
3455	}	3926	}
3456	}	3927	}
3457		3928
3458	sub write_runtime_sync {	3929	sub write_runtime_sync {
3459	my $runtime = "$LOCALDIR/runtime";	3930	my $t0 = AE::time;
3460		3931
3461	# first touch the runtime file to show we are still running:	3932	# first touch the runtime file to show we are still running:
3462	# the fsync below can take a very very long time.	3933	# the fsync below can take a very very long time.
3463		3934
3464	IO::AIO::aio_utime $runtime, undef, undef;	3935	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465		3936
3466	my $guard = cf::lock_acquire "write_runtime";	3937	my $guard = cf::lock_acquire "write_runtime";
3467		3938
3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3939	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3469	or return;	3940	or return;
3470		3941
3471	my $value = $cf::RUNTIME + 90 + 10;	3942	my $value = $cf::RUNTIME + 90 + 10;
3472	# 10 is the runtime save interval, for a monotonic clock	3943	# 10 is the runtime save interval, for a monotonic clock
3473	# 60 allows for the watchdog to kill the server.	3944	# 60 allows for the watchdog to kill the server.
…		…
3483	aio_utime $fh, undef, undef;	3954	aio_utime $fh, undef, undef;
3484		3955
3485	close $fh	3956	close $fh
3486	or return;	3957	or return;
3487		3958
3488	aio_rename "$runtime~", $runtime	3959	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489	and return;	3960	and return;
3490		3961
3491	warn "runtime file written.\n";	3962	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3492		3963
3493	1	3964	1
3494	}	3965	}
3495		3966
3496	our $uuid_lock;	3967	our $uuid_lock;
…		…
3505	my $uuid = "$LOCALDIR/uuid";	3976	my $uuid = "$LOCALDIR/uuid";
3506		3977
3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3978	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508	or return;	3979	or return;
3509		3980
3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3981	my $value = uuid_seq uuid_cur;
		3982
		3983	unless ($value) {
		3984	info "cowardly refusing to write zero uuid value!\n";
		3985	return;
		3986	}
		3987
		3988	my $value = uuid_str $value + $uuid_skip;
3511	$uuid_skip = 0;	3989	$uuid_skip = 0;
3512		3990
3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3991	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3514	and return;	3992	and return;
3515		3993
…		…
3521	or return;	3999	or return;
3522		4000
3523	aio_rename "$uuid~", $uuid	4001	aio_rename "$uuid~", $uuid
3524	and return;	4002	and return;
3525		4003
3526	warn "uuid file written ($value).\n";	4004	trace "uuid file written ($value).\n";
3527		4005
3528	1	4006	1
3529		4007
3530	}	4008	}
3531		4009
…		…
3537	}	4015	}
3538		4016
3539	sub emergency_save() {	4017	sub emergency_save() {
3540	my $freeze_guard = cf::freeze_mainloop;	4018	my $freeze_guard = cf::freeze_mainloop;
3541		4019
3542	warn "enter emergency perl save\n";	4020	info "emergency_perl_save: enter\n";
		4021
		4022	# this is a trade-off: we want to be very quick here, so
		4023	# save all maps without fsync, and later call a global sync
		4024	# (which in turn might be very very slow)
		4025	local $USE_FSYNC = 0;
3543		4026
3544	cf::sync_job {	4027	cf::sync_job {
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
3545	# use a peculiar iteration method to avoid tripping on perl	4030	# use a peculiar iteration method to avoid tripping on perl
3546	# refcount bugs in for. also avoids problems with players	4031	# refcount bugs in for. also avoids problems with players
3547	# and maps saved/destroyed asynchronously.	4032	# and maps saved/destroyed asynchronously.
3548	warn "begin emergency player save\n";	4033	info "emergency_perl_save: begin player save\n";
3549	for my $login (keys %cf::PLAYER) {	4034	for my $login (keys %cf::PLAYER) {
3550	my $pl = $cf::PLAYER{$login} or next;	4035	my $pl = $cf::PLAYER{$login} or next;
3551	$pl->valid or next;	4036	$pl->valid or next;
3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4037	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553	$pl->save;	4038	$pl->save;
3554	}	4039	}
3555	warn "end emergency player save\n";	4040	info "emergency_perl_save: end player save\n";
3556		4041
3557	warn "begin emergency map save\n";	4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	info "emergency_perl_save: begin map save\n";
3558	for my $path (keys %cf::MAP) {	4045	for my $path (keys %cf::MAP) {
3559	my $map = $cf::MAP{$path} or next;	4046	my $map = $cf::MAP{$path} or next;
3560	$map->valid or next;	4047	$map->valid or next;
3561	$map->save;	4048	$map->save;
3562	}	4049	}
3563	warn "end emergency map save\n";	4050	info "emergency_perl_save: end map save\n";
3564		4051
3565	warn "begin emergency database checkpoint\n";	4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	info "emergency_perl_save: begin database checkpoint\n";
3566	BDB::db_env_txn_checkpoint $DB_ENV;	4055	BDB::db_env_txn_checkpoint $DB_ENV;
3567	warn "end emergency database checkpoint\n";	4056	info "emergency_perl_save: end database checkpoint\n";
3568		4057
3569	warn "begin write uuid\n";	4058	info "emergency_perl_save: begin write uuid\n";
3570	write_uuid_sync 1;	4059	write_uuid_sync 1;
3571	warn "end write uuid\n";	4060	info "emergency_perl_save: end write uuid\n";
		4061
		4062	cf::write_runtime_sync; # external watchdog should not bark
		4063
		4064	trace "emergency_perl_save: syncing database to disk";
		4065	BDB::db_env_txn_checkpoint $DB_ENV;
		4066
		4067	info "emergency_perl_save: starting sync\n";
		4068	IO::AIO::aio_sync sub {
		4069	info "emergency_perl_save: finished sync\n";
		4070	};
		4071
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	trace "emergency_perl_save: flushing outstanding aio requests";
		4075	while (IO::AIO::nreqs || BDB::nreqs) {
		4076	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4077	}
		4078
		4079	cf::write_runtime_sync; # external watchdog should not bark
3572	};	4080	};
3573		4081
3574	warn "leave emergency perl save\n";	4082	info "emergency_perl_save: leave\n";
3575	}	4083	}
3576		4084
3577	sub post_cleanup {	4085	sub post_cleanup {
3578	my ($make_core) = @_;	4086	my ($make_core) = @_;
3579		4087
		4088	IO::AIO::flush;
		4089
3580	warn Carp::longmess "post_cleanup backtrace"	4090	error Carp::longmess "post_cleanup backtrace"
3581	if $make_core;	4091	if $make_core;
		4092
		4093	my $fh = pidfile;
		4094	unlink $PIDFILE if <$fh> == $$;
		4095	}
		4096
		4097	# a safer delete_package, copied from Symbol
		4098	sub clear_package($) {
		4099	my $pkg = shift;
		4100
		4101	# expand to full symbol table name if needed
		4102	unless ($pkg =~ /^main::.*::$/) {
		4103	$pkg = "main$pkg" if $pkg =~ /^::/;
		4104	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4105	$pkg .= '::' unless $pkg =~ /::$/;
		4106	}
		4107
		4108	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4109	my $stem_symtab = *{$stem}{HASH};
		4110
		4111	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4112	or return;
		4113
		4114	# clear all symbols
		4115	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4116	for my $name (keys %$leaf_symtab) {
		4117	_gv_clear *{"$pkg$name"};
		4118	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4119	}
3582	}	4120	}
3583		4121
3584	sub do_reload_perl() {	4122	sub do_reload_perl() {
3585	# can/must only be called in main	4123	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	4124	unless (in_main) {
3587	warn "can only reload from main coroutine";	4125	error "can only reload from main coroutine";
3588	return;	4126	return;
3589	}	4127	}
3590		4128
3591	warn "reloading...";	4129	return if $RELOAD++;
3592		4130
3593	warn "entering sync_job";	4131	my $t1 = AE::time;
3594		4132
		4133	while ($RELOAD) {
		4134	cf::get_slot 0.1, -1, "reload_perl";
		4135	info "perl_reload: reloading...";
		4136
		4137	trace "perl_reload: entering sync_job";
		4138
3595	cf::sync_job {	4139	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	4140	#cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark
3599		4141
3600	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;
3602
3603	# if anything goes wrong in here, we should simply crash as we already saved
3604
3605	warn "flushing outstanding aio requests";
3606	for (;;) {
3607	BDB::flush;
3608	IO::AIO::flush;
3609	Coro::cede_notself;
3610	last unless IO::AIO::nreqs || BDB::nreqs;
3611	warn "iterate...";
3612	}
3613
3614	++$RELOAD;
3615
3616	warn "cancelling all extension coros";	4142	trace "perl_reload: cancelling all extension coros";
3617	$_->cancel for values %EXT_CORO;	4143	$_->cancel for values %EXT_CORO;
3618	%EXT_CORO = ();	4144	%EXT_CORO = ();
3619		4145
3620	warn "removing commands";	4146	trace "perl_reload: removing commands";
3621	%COMMAND = ();	4147	%COMMAND = ();
3622		4148
3623	warn "removing ext/exti commands";	4149	trace "perl_reload: removing ext/exti commands";
3624	%EXTCMD = ();	4150	%EXTCMD = ();
3625	%EXTICMD = ();	4151	%EXTICMD = ();
3626		4152
3627	warn "unloading/nuking all extensions";	4153	trace "perl_reload: unloading/nuking all extensions";
3628	for my $pkg (@EXTS) {	4154	for my $pkg (@EXTS) {
3629	warn "... unloading $pkg";	4155	trace "... unloading $pkg";
3630		4156
3631	if (my $cb = $pkg->can ("unload")) {	4157	if (my $cb = $pkg->can ("unload")) {
3632	eval {	4158	eval {
3633	$cb->($pkg);	4159	$cb->($pkg);
3634	1	4160	1
3635	} or warn "$pkg unloaded, but with errors: $@";	4161	} or error "$pkg unloaded, but with errors: $@";
		4162	}
		4163
		4164	trace "... clearing $pkg";
		4165	clear_package $pkg;
3636	}	4166	}
3637		4167
3638	warn "... nuking $pkg";
3639	Symbol::delete_package $pkg;
3640	}
3641
3642	warn "unloading all perl modules loaded from $LIBDIR";	4168	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3643	while (my ($k, $v) = each %INC) {	4169	while (my ($k, $v) = each %INC) {
3644	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645		4171
3646	warn "... unloading $k";	4172	trace "... unloading $k";
3647	delete $INC{$k};	4173	delete $INC{$k};
3648		4174
3649	$k =~ s/\.pm$//;	4175	$k =~ s/\.pm$//;
3650	$k =~ s/\//::/g;	4176	$k =~ s/\//::/g;
3651		4177
3652	if (my $cb = $k->can ("unload_module")) {	4178	if (my $cb = $k->can ("unload_module")) {
3653	$cb->();	4179	$cb->();
		4180	}
		4181
		4182	clear_package $k;
3654	}	4183	}
3655		4184
3656	Symbol::delete_package $k;
3657	}
3658
3659	warn "getting rid of safe::, as good as possible";	4185	trace "perl_reload: getting rid of safe::, as good as possible";
3660	Symbol::delete_package "safe::$_"	4186	clear_package "safe::$_"
3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662		4188
3663	warn "unloading cf.pm \"a bit\"";	4189	trace "perl_reload: unloading cf.pm \"a bit\"";
3664	delete $INC{"cf.pm"};	4190	delete $INC{"cf.pm"};
3665	delete $INC{"cf/pod.pm"};	4191	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666		4192
3667	# don't, removes xs symbols, too,	4193	# don't, removes xs symbols, too,
3668	# and global variables created in xs	4194	# and global variables created in xs
3669	#Symbol::delete_package __PACKAGE__;	4195	#clear_package __PACKAGE__;
3670		4196
3671	warn "unload completed, starting to reload now";	4197	info "perl_reload: unload completed, starting to reload now";
3672		4198
3673	warn "reloading cf.pm";	4199	trace "perl_reload: reloading cf.pm";
3674	require cf;	4200	require cf;
3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4201	cf::_connect_to_perl_1;
3676		4202
3677	warn "loading config and database again";	4203	trace "perl_reload: loading config and database again";
3678	cf::reload_config;	4204	cf::reload_config;
3679		4205
3680	warn "loading extensions";	4206	trace "perl_reload: loading extensions";
3681	cf::load_extensions;	4207	cf::load_extensions;
3682		4208
		4209	if ($REATTACH_ON_RELOAD) {
3683	warn "reattaching attachments to objects/players";	4210	trace "perl_reload: reattaching attachments to objects/players";
3684	_global_reattach; # objects, sockets	4211	_global_reattach; # objects, sockets
3685	warn "reattaching attachments to maps";	4212	trace "perl_reload: reattaching attachments to maps";
3686	reattach $_ for values %MAP;	4213	reattach $_ for values %MAP;
3687	warn "reattaching attachments to players";	4214	trace "perl_reload: reattaching attachments to players";
3688	reattach $_ for values %PLAYER;	4215	reattach $_ for values %PLAYER;
		4216	}
3689		4217
3690	warn "leaving sync_job";	4218	cf::_post_init 1;
3691		4219
		4220	trace "perl_reload: leaving sync_job";
		4221
3692	1	4222	1
3693	} or do {	4223	} or do {
3694	warn $@;	4224	error $@;
3695	cf::cleanup "error while reloading, exiting.";	4225	cf::cleanup "perl_reload: error, exiting.";
		4226	};
		4227
		4228	--$RELOAD;
3696	};	4229	}
3697		4230
3698	warn "reloaded";	4231	$t1 = AE::time - $t1;
		4232	info "perl_reload: completed in ${t1}s\n";
3699	};	4233	};
3700		4234
3701	our $RELOAD_WATCHER; # used only during reload	4235	our $RELOAD_WATCHER; # used only during reload
3702		4236
3703	sub reload_perl() {	4237	sub reload_perl() {
3704	# doing reload synchronously and two reloads happen back-to-back,	4238	# doing reload synchronously and two reloads happen back-to-back,
3705	# coro crashes during coro_state_free->destroy here.	4239	# coro crashes during coro_state_free->destroy here.
3706		4240
		4241	$RELOAD_WATCHER ||= cf::async {
		4242	Coro::AIO::aio_wait cache_extensions;
		4243
3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4244	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3708	do_reload_perl;	4245	do_reload_perl;
3709	undef $RELOAD_WATCHER;	4246	undef $RELOAD_WATCHER;
		4247	};
3710	};	4248	};
3711	}	4249	}
3712		4250
3713	register_command "reload" => sub {	4251	register_command "reload" => sub {
3714	my ($who, $arg) = @_;	4252	my ($who, $arg) = @_;
…		…
3720	reload_perl;	4258	reload_perl;
3721	};	4259	};
3722	}	4260	}
3723	};	4261	};
3724		4262
3725	unshift @INC, $LIBDIR;	4263	#############################################################################
3726		4264
3727	my $bug_warning = 0;	4265	my $bug_warning = 0;
3728		4266
3729	our @WAIT_FOR_TICK;
3730	our @WAIT_FOR_TICK_BEGIN;
3731
3732	sub wait_for_tick {	4267	sub wait_for_tick() {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	4268	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3734		4269
3735	my $signal = new Coro::Signal;	4270	$WAIT_FOR_TICK->wait;
3736	push @WAIT_FOR_TICK, $signal;
3737	$signal->wait;
3738	}	4271	}
3739		4272
3740	sub wait_for_tick_begin {	4273	sub wait_for_tick_begin() {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3742		4275
3743	my $signal = new Coro::Signal;	4276	my $signal = new Coro::Signal;
3744	push @WAIT_FOR_TICK_BEGIN, $signal;	4277	push @WAIT_FOR_TICK_BEGIN, $signal;
3745	$signal->wait;	4278	$signal->wait;
3746	}	4279	}
…		…
3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4283	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3751	unless ++$bug_warning > 10;	4284	unless ++$bug_warning > 10;
3752	return;	4285	return;
3753	}	4286	}
3754		4287
3755	cf::server_tick; # one server iteration	4288	cf::one_tick; # one server iteration
		4289
		4290	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3756		4291
3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4292	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4293	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3759	Coro::async_pool {	4294	Coro::async_pool {
3760	$Coro::current->{desc} = "runtime saver";	4295	$Coro::current->{desc} = "runtime saver";
3761	write_runtime_sync	4296	write_runtime_sync
3762	or warn "ERROR: unable to write runtime file: $!";	4297	or error "ERROR: unable to write runtime file: $!";
3763	};	4298	};
3764	}	4299	}
3765		4300
3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4301	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3767	$sig->send;	4302	$sig->send;
3768	}	4303	}
3769	while (my $sig = shift @WAIT_FOR_TICK) {	4304	$WAIT_FOR_TICK->broadcast;
3770	$sig->send;
3771	}
3772		4305
3773	$LOAD = ($NOW - $TICK_START) / $TICK;	4306	$LOAD = ($NOW - $TICK_START) / $TICK;
3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4307	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3775		4308
3776	if (0) {	4309	if (0) {
3777	if ($NEXT_TICK) {	4310	if ($NEXT_TICK) {
3778	my $jitter = $TICK_START - $NEXT_TICK;	4311	my $jitter = $TICK_START - $NEXT_TICK;
3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4312	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3780	warn "jitter $JITTER\n";#d#	4313	debug "jitter $JITTER\n";#d#
3781	}	4314	}
3782	}	4315	}
3783	}	4316	}
3784		4317
3785	{	4318	{
3786	# configure BDB	4319	# configure BDB
		4320	info "initialising database";
3787		4321
3788	BDB::min_parallel 8;	4322	BDB::min_parallel 16;
3789	BDB::max_poll_reqs $TICK * 0.1;	4323	BDB::max_poll_reqs $TICK * 0.1;
3790	$Coro::BDB::WATCHER->priority (1);	4324	#$AnyEvent::BDB::WATCHER->priority (1);
3791		4325
3792	unless ($DB_ENV) {	4326	unless ($DB_ENV) {
3793	$DB_ENV = BDB::db_env_create;	4327	$DB_ENV = BDB::db_env_create;
3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4328	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795	| BDB::LOG_AUTOREMOVE, 1);	4329	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4330	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4331	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4332	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798		4333
3799	cf::sync_job {	4334	cf::sync_job {
3800	eval {	4335	eval {
…		…
3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4354	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820	};	4355	};
3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4356	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4357	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823	};	4358	};
		4359
		4360	info "database initialised";
3824	}	4361	}
3825		4362
3826	{	4363	{
3827	# configure IO::AIO	4364	# configure IO::AIO
3828		4365
		4366	info "initialising aio";
3829	IO::AIO::min_parallel 8;	4367	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	4368	IO::AIO::max_poll_time $TICK * 0.1;
3831	$Coro::AIO::WATCHER->priority (1);	4369	undef $AnyEvent::AIO::WATCHER;
		4370	info "aio initialised";
3832	}	4371	}
3833		4372
3834	my $_log_backtrace;	4373	our $_log_backtrace;
		4374	our $_log_backtrace_last;
3835		4375
3836	sub _log_backtrace {	4376	sub _log_backtrace {
3837	my ($msg, @addr) = @_;	4377	my ($msg, @addr) = @_;
3838		4378
3839	$msg =~ s/\n//;	4379	$msg =~ s/\n$//;
3840		4380
		4381	if ($_log_backtrace_last eq $msg) {
		4382	LOG llevInfo, "[ABT] $msg\n";
		4383	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3841	# limit the # of concurrent backtraces	4384	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	4385	} elsif ($_log_backtrace < 2) {
		4386	$_log_backtrace_last = $msg;
3843	++$_log_backtrace;	4387	++$_log_backtrace;
		4388	my $perl_bt = Carp::longmess $msg;
3844	async {	4389	async {
3845	$Coro::current->{desc} = "abt $msg";	4390	$Coro::current->{desc} = "abt $msg";
3846		4391
3847	my @bt = fork_call {	4392	my @bt = fork_call {
3848	@addr = map { sprintf "%x", $_ } @addr;	4393	@addr = map { sprintf "%x", $_ } @addr;
…		…
3859	}	4404	}
3860		4405
3861	@funcs	4406	@funcs
3862	};	4407	};
3863		4408
3864	LOG llevInfo, "[ABT] $msg\n";	4409	LOG llevInfo, "[ABT] $perl_bt\n";
		4410	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865	LOG llevInfo, "[ABT] $_\n" for @bt;	4411	LOG llevInfo, "[ABT] $_\n" for @bt;
3866	--$_log_backtrace;	4412	--$_log_backtrace;
3867	};	4413	};
3868	} else {	4414	} else {
3869	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $msg\n";
3870	LOG llevInfo, "[ABT] [suppressed]\n";	4416	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3871	}	4417	}
3872	}	4418	}
3873		4419
3874	# load additional modules	4420	# load additional modules
3875	use cf::pod;	4421	require "cf/$_.pm" for @EXTRA_MODULES;
		4422	cf::_connect_to_perl_2;
3876		4423
3877	END { cf::emergency_save }	4424	END { cf::emergency_save }
3878		4425
3879	1	4426	1
3880		4427

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