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Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		78
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
47		82
48	our %COMMAND = ();	83	our %COMMAND = ();
49	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
50		85
51	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	87	our %EXTCMD = ();
53	our %EXTICMD = ();	88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	123	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
85		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
86	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		135
88	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
90	our $NOW;	139	our $NOW;
91		140
92	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		147
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
102		160
103	binmode STDOUT;	161	binmode STDOUT;
104	binmode STDERR;	162	binmode STDERR;
105		163
106	# read virtual server time, if available	164	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
111	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
112		172
113	mkdir $_	173	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		175
116	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
117		177
118	sub cf::map::normalise;	178	sub cf::map::normalise;
119		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
120	#############################################################################	184	#############################################################################
121		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
122	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
123		198
124	=over 4	199	=over 4
125		200
126	=item $cf::UPTIME	201	=item $cf::UPTIME
127		202
128	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
129		219
130	=item $cf::RUNTIME	220	=item $cf::RUNTIME
131		221
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	223	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
142	database environment.	232	database environment.
143		233
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	234	=item $cf::LOADAVG
153		235
154	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	247	from wherever your confdir points to.
166		248
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		250
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
173	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
174		273
175	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	276	that call.
178		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
179	=back	284	=back
180		285
181	=cut	286	=cut
182		287
183	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	295	my $msg = join "", @_;
186		296
187	$msg .= "\n"	297	$msg .= "\n"
188	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
189		299
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		301
192	LOG llevError, $msg;	302	LOG llevWarn, $msg;
193	};	303	};
194	}
195		304
196	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
197	warn Carp::longmess $_[0];	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
198	Coro::terminate;	316	Coro::terminate
199	};	317	};
200		318
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	329	for my $pkg (qw(
212	cf::global cf::attachable	330	cf::global cf::attachable
213	cf::object cf::object::player	331	cf::object cf::object::player
214	cf::client cf::player	332	cf::client cf::player
215	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
216	cf::map cf::party cf::region	335	cf::party cf::region
217	)) {	336	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	338	}
221		339
222	$EV::DIED = sub {	340	$EV::DIED = sub {
223	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
224	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
225		348
226	#############################################################################	349	#############################################################################
227		350
228	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
229		352
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	374	$d
252	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
253	}	376	}
254		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
255	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
256		431
257	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
258		433
259	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		441
267	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
269		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
270	=item cf::lock_wait $string	507	=item cf::lock_wait $string
271		508
272	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
273		510
274	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
275		512
276	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
279	returned.	516	returned.
280		517
281	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	519	deadlocked coro.
…		…
288		525
289	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
290		527
291	=cut	528	=cut
292		529
293	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		531
296	sub lock_wait($) {	532	sub lock_wait($) {
297	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	534	}
310		535
311	sub lock_acquire($) {	536	sub lock_acquire($) {
312	my ($key) = @_;	537	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	538	}
326		539
327	sub lock_active($) {	540	sub lock_active($) {
328	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	542	}
332		543
333	sub freeze_mainloop {	544	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
335		546
336	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	548	}
342		549
343	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
344		551
345	Like EV::periodic, but randomly selects a starting point so that the actions	552	Like EV::periodic, but randomly selects a starting point so that the actions
346	get spread over timer.	553	get spread over time.
347		554
348	=cut	555	=cut
349		556
350	sub periodic($$) {	557	sub periodic($$) {
351	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
356	}	563	}
357		564
358	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
359		566
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
363		574
364	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
365	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
366		577
367	Useful for short background jobs.	578	Useful for short background jobs.
368		579
369	=cut	580	=cut
370		581
371	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
373		585
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
377		589
378	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
379		592
380	while () {	593	while () {
381	next_job:	594	next_job:
		595
382	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	597
384	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	602	$job->[2]->send;
388	Coro::cede;	603	Coro::cede;
389	goto next_job;	604	goto next_job;
390	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	607	}
392	}	608	}
393		609
394	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
395	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
396	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
397	$signal->wait;
398	} else {	613	} else {
		614	$busy = 0;
399	Coro::schedule;	615	Coro::schedule;
400	}	616	}
401	}	617	}
402	};	618	};
403		619
404	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
405	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
406		624
407	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
408	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
409		628
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
438	=cut	657	=cut
439		658
440	sub sync_job(&) {	659	sub sync_job(&) {
441	my ($job) = @_;	660	my ($job) = @_;
442		661
443	if ($Coro::current == $Coro::main) {	662	if (in_main) {
444	my $time = EV::time;	663	my $time = AE::time;
445		664
446	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
448		667
449	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
450		669
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
454		671
455	my $busy = 1;	672	my $busy = 1;
456	my @res;	673	my @res;
457		674
458	(async {	675	(async {
459	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	677	@res = eval { $job->() };
461	warn $@ if $@;	678	error $@ if $@;
462	undef $busy;	679	undef $busy;
463	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
464		681
465	while ($busy) {	682	while ($busy) {
466	if (Coro::nready) {	683	if (Coro::nready) {
…		…
468	} else {	685	} else {
469	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
470	}	687	}
471	}	688	}
472		689
473	$time = EV::time - $time;	690	my $time = AE::time - $time;
474		691
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
479		693
480	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
481	} else {	695	} else {
482	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
483		697
…		…
503	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
504		718
505	$coro	719	$coro
506	}	720	}
507		721
508	=item fork_call { }, $args	722	=item fork_call { }, @args
509		723
510	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
511	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
512	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
513	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
514		728
515	=cut	729	=cut
516		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
517	sub fork_call(&@) {	735	sub fork_call(&@) {
518	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
519		737
520	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
521	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
523		741
524	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
525	reset_signals;	743	cf::post_fork;
526	&$cb	744	&$cb
527	}, @args;	745	} @args;
528		746
529	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
530	}	786	}
531		787
532	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
533		789
534	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
544	within each server.	800	within each server.
545		801
546	=cut	802	=cut
547		803
548	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
549	my ($name) = @_;	808	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
551		810
552	eval {	811	eval {
553	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
563	}	822	}
564		823
565	our $DB;	824	our $DB;
566		825
567	sub db_init {	826	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	827	$DB ||= db_table "db";
570	};
571	}	828	}
572		829
573	sub db_get($$) {	830	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
575		832
576	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
577	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
578		837
579	$! ? ()	838	$! ? ()
580	: $data	839	: $data
581	}
582	}	840	}
583		841
584	sub db_put($$$) {	842	sub db_put($$$) {
585	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		872
615	my @data;	873	my @data;
616	my $md5;	874	my $md5;
617		875
618	for (0 .. $#$src) {	876	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	878	}
622		879
623	# if processing is expensive, check	880	# if processing is expensive, check
624	# checksum first	881	# checksum first
625	if (1) {	882	if (1) {
…		…
642		899
643	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
644	my $data = $process->(\@data);	901	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
646		903
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		905
649	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
652		909
…		…
662		919
663	=cut	920	=cut
664		921
665	sub datalog($@) {	922	sub datalog($@) {
666	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	925	}
669		926
670	=back	927	=back
671		928
672	=cut	929	=cut
673		930
674	#############################################################################	931	#############################################################################
675		932
676	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
677		934
678	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
681		938
682	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
734		991
735	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
737		994
738	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
740		997
741	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
742		999
743	=over 4	1000	=over 4
…		…
867		1124
868	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1127
871	} elsif (ref $type) {	1128	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
873		1130
874	} else {	1131	} else {
875	shift @arg;	1132	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
877	}	1134	}
878	}	1135	}
879	}	1136	}
880		1137
881	sub _object_attach {	1138	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
892	}	1149	}
893		1150
894	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
895	} else {	1152	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1154	}
898		1155
899	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
900	}	1157	}
901		1158
…		…
960		1217
961	for (@$callbacks) {	1218	for (@$callbacks) {
962	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
963		1220
964	if ($@) {	1221	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1223	override;
968	}	1224	}
969		1225
970	return 1 if $override;	1226	return 1 if $override;
971	}	1227	}
…		…
1034		1290
1035	sub reattach {	1291	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1293	my ($obj) = @_;
1038		1294
		1295	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1297
1041	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1042		1299
1043	@$registry = ();	1300	@$registry = ();
1044		1301
…		…
1049	for (@$attach) {	1306	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1052	}	1309	}
1053	} else {	1310	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1312	}
1056	}	1313	}
1057	}	1314	}
1058		1315
1059	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1087		1344
1088	sync_job {	1345	sync_job {
1089	if (length $$rdata) {	1346	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1093		1351
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
1098	close $fh;	1359	aio_close $fh;
1099		1360
1100	if (@$objs) {	1361	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1106	close $fh;	1370	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1372	}
1109	} else {	1373	} else {
1110	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1111	}	1375	}
1112		1376
1113	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1381	} else {
1115	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1116	}	1383	}
1117	} else {	1384	} else {
1118	aio_unlink $filename;	1385	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1120	}	1387	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1412	$av = $st->{objs};
1146	}	1413	}
1147		1414
1148	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1151		1419
1152	($data, $av)	1420	($data, $av)
1153	}	1421	}
1154		1422
1155	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1211	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1212		1480
1213	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1214	}	1482	}
1215		1483
		1484	use File::Glob ();
		1485
1216	cf::player->attach (	1486	cf::player->attach (
1217	on_command => sub {	1487	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1219		1489
1220	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1221	or return;	1491	or return;
1222		1492
…		…
1230	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1231		1501
1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1233		1503
1234	if (ref $msg) {	1504	if (ref $msg) {
1235	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1236	"ARRAY" eq ref $msg
1237	? @$msg
1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239		1506
1240	my @reply;	1507	my @reply;
1241		1508
1242	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1243	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1245		1512
1246	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1247	if $reply;	1514	if $reply;
1248		1515
1249	} else {	1516	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1518	}
1252		1519
1253	cf::override;	1520	cf::override;
1254	},	1521	},
1255	);	1522	);
1256		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1257	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1258	cf::sync_job {	1553	cf::sync_job {
1259	my %todo;	1554	my %todo;
1260		1555
1261	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1557	next unless -r $path;
…		…
1280		1575
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1578
1284	$ext{source} =	1579	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1287	. $source	1582	. $source
1288	. "\n};\n1";	1583	. "\n};\n1";
1289		1584
1290	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1291	}	1586	}
1292		1587
		1588	my $pass = 0;
1293	my %done;	1589	my %done;
1294	while (%todo) {	1590	while (%todo) {
1295	my $progress;	1591	my $progress;
1296		1592
		1593	++$pass;
		1594
		1595	ext:
1297	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1598	next ext
1300	unless exists $done{$_};	1599	unless exists $done{$_};
1301	}	1600	}
1302		1601
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1603
1305	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1310	warn $msg;	1620
1311	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1622	delete $todo{$k};
1313	}	1623	} else {
1314		1624	$done{$k} = delete $todo{$k};
1315	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1316	}	1630	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1631	}
1322		1632
1323	skip:	1633	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1326	}	1643	}
1327	};	1644	};
1328	}	1645	}
1329		1646
1330	#############################################################################	1647	#############################################################################
1331		1648
1332	=back	1649	=back
1333		1650
1334	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1335		1652
1336	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1337		1654
1338	=cut	1655	=cut
1339		1656
1340	package cf::player;	1657	package cf::player;
1341		1658
…		…
1384		1701
1385	sub exists($) {	1702	sub exists($) {
1386	my ($login) = @_;	1703	my ($login) = @_;
1387		1704
1388	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1390	}	1707	}
1391		1708
1392	sub find($) {	1709	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1711	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1724	or return;
1408		1725
1409	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1410	or return;	1727	or return;
		1728
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1414	}	1732	}
1415	}	1733	}
1416	}	1734	}
1417		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1418	sub save($) {	1749	sub save($) {
1419	my ($pl) = @_;	1750	my ($pl) = @_;
1420		1751
1421	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1422		1753
…		…
1425		1756
1426	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1427		1758
1428	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1430		1766
1431	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1768	cf::cede_to_tick;
1433	}	1769	}
1434		1770
…		…
1466	my ($pl) = @_;	1802	my ($pl) = @_;
1467		1803
1468	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1469		1805
1470	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1808
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1476	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1477		1817
1478	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1518		1858
1519	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1520	my $path = path $login;	1860	my $path = path $login;
1521		1861
1522	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1868	}
1528		1869
…		…
1532		1873
1533	\@logins	1874	\@logins
1534	}	1875	}
1535		1876
1536	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1537		1880
1538	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1539	player. May block.	1882	player. May block.
1540		1883
1541	=cut	1884	=cut
…		…
1559	}	1902	}
1560		1903
1561	\@paths	1904	\@paths
1562	}	1905	}
1563		1906
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1908
1566	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1910
1657	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1658		1912
1659	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1660		1914
…		…
1692		1946
1693	=cut	1947	=cut
1694		1948
1695	sub find_by_path($) {	1949	sub find_by_path($) {
1696	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1697		1953
1698	my ($match, $specificity);	1954	my ($match, $specificity);
1699		1955
1700	for my $region (list) {	1956	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1729		1985
1730	sub generate_random_map {	1986	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1733	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	1992	}
1747		1993
1748	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1749		1995
1750	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1755		2001
1756	sub register {	2002	sub register {
1757	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2004	my $pkg = caller;
1759		2005
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2007
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2009	}
1765		2010
1766	# also paths starting with '/'	2011	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2013
1769	sub thawer_merge {	2014	sub thawer_merge {
1770	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1771		2016
1772	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1777	}	2022	}
1778		2023
1779	sub normalise {	2024	sub normalise {
1780	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1781		2026
1782	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1783		2028
1784	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1785		2030
1786	# map plan:	2031	# map plan:
1787	#	2032	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2048	$path = "$base/$path";
1804	}	2049	}
1805		2050
1806	for ($path) {	2051	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1810	}	2054	}
1811		2055
1812	$path	2056	$path
…		…
1826	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1827	return $self;	2071	return $self;
1828	}	2072	}
1829	}	2073	}
1830		2074
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2076	()
1833	}	2077	}
1834		2078
		2079	# may re-bless or do other evil things
1835	sub init {	2080	sub init {
1836	my ($self) = @_;	2081	my ($self) = @_;
1837		2082
1838	$self	2083	$self
1839	}	2084	}
…		…
1858		2103
1859	# the temporary/swap location	2104	# the temporary/swap location
1860	sub save_path {	2105	sub save_path {
1861	my ($self) = @_;	2106	my ($self) = @_;
1862		2107
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1865	}	2110	}
1866		2111
1867	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1868	sub uniq_path {	2113	sub uniq_path {
1869	my ($self) = @_;	2114	my ($self) = @_;
1870		2115
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2118	}
1883		2119
1884	sub decay_objects {	2120	sub decay_objects {
1885	my ($self) = @_;	2121	my ($self) = @_;
1886		2122
…		…
1913	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1914		2150
1915	1	2151	1
1916	}	2152	}
1917		2153
		2154	# used to laod the header of an original map
1918	sub load_header_orig {	2155	sub load_header_orig {
1919	my ($self) = @_;	2156	my ($self) = @_;
1920		2157
1921	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1922	}	2159	}
1923		2160
		2161	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2162	sub load_header_temp {
1925	my ($self) = @_;	2163	my ($self) = @_;
1926		2164
1927	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1928	}	2166	}
1929		2167
		2168	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2169	sub prepare_temp {
1931	my ($self) = @_;	2170	my ($self) = @_;
1932		2171
1933	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1935	# safety	2174	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2177	}
1939		2178
		2179	# called after loading the header from an original map
1940	sub prepare_orig {	2180	sub prepare_orig {
1941	my ($self) = @_;	2181	my ($self) = @_;
1942		2182
1943	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2208
1969	sub find;	2209	sub find;
1970	sub find {	2210	sub find {
1971	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1972		2212
		2213	cf::cede_to_tick;
		2214
1973	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1974		2216
1975	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2219
1978	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1983	or return;	2222	or return;
1984		2223
1985	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1986		2225
…		…
1988	or return;	2227	or return;
1989		2228
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1993	undef $guard1;	2233	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2234	$map->reset;
1996	return find $path;	2235	return find $path;
1997	}	2236	}
1998		2237
1999	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2000	}	2239	}
2001	}	2240	}
2002		2241
2003	sub pre_load { }	2242	sub pre_load { }
2004	sub post_load { }	2243	#sub post_load { } # XS
2005		2244
2006	sub load {	2245	sub load {
2007	my ($self) = @_;	2246	my ($self) = @_;
2008		2247
2009	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2251
2013	{	2252	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2015		2254
2016	return unless $self->valid;	2255	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2257
2021	$self->alloc;	2258	$self->alloc;
2022		2259
2023	$self->pre_load;	2260	$self->pre_load;
2024	cf::cede_to_tick;	2261	cf::cede_to_tick;
2025		2262
		2263	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2265	$f->skip_block;
2028	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2029	or return;	2267	or return;
2030		2268
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2032	if delete $self->{load_original};	2270	if delete $self->{load_original};
2033		2271
2034	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2273	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2276	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2041	}	2280	}
2042	}	2281	}
2043	}
2044		2282
2045	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
2046		2290
2047	cf::cede_to_tick;	2291	cf::cede_to_tick;
2048	# now do the right thing for maps	2292	# now do the right thing for maps
2049	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2299	$self->decay_objects;
2056	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2057	$self->update_buttons;	2301	$self->update_buttons;
2058	cf::cede_to_tick;	2302	cf::cede_to_tick;
2059	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2304	}
2063		2305
2064	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2308	}
2069		2309
2070	$self->post_load;	2310	$self->post_load;
2071	}
2072		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2318	sub customise_for {
2074	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2075		2320
2076	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2322	if $self->per_player;
…		…
2080	# if $self->per_party;	2325	# if $self->per_party;
2081		2326
2082	$self	2327	$self
2083	}	2328	}
2084		2329
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2330	sub find_sync {
2112	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2113		2332
2114	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2115	}	2338	}
2116		2339
2117	sub do_load_sync {	2340	sub do_load_sync {
2118	my ($map) = @_;	2341	my ($map) = @_;
2119		2342
		2343	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2122		2346
2123	cf::sync_job { $map->load };	2347	$map->load;
2124	}	2348	}
2125		2349
2126	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2128		2352
2129	sub find_async {	2353	sub find_async {
2130	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2131		2355
2132	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2133		2357
2134	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2136	}	2360	}
2137		2361
2138	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2139		2363
2140	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2155		2379
2156	()	2380	()
2157	}	2381	}
2158		2382
		2383	# common code, used by both ->save and ->swapout
2159	sub save {	2384	sub _save {
2160	my ($self) = @_;	2385	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2386
2164	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2165		2388
2166	return unless $self->dirty;	2389	return unless $self->dirty;
2167		2390
…		…
2176		2399
2177	cf::async {	2400	cf::async {
2178	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2180	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2181		2406
2182	if ($uniq) {	2407	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2410	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2187	}	2412	}
2188	}	2413	}
2189		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2190	sub swap_out {	2423	sub swap_out {
2191	my ($self) = @_;	2424	my ($self) = @_;
2192		2425
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2198	return if $self->players;	2430	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2200	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2201		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2202	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2203		2482
2204	$self->deactivate;	2483	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2485	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2486
2252	$self->unlink_save;	2487	$self->unlink_save;
2253	$self->destroy;	2488	$self->destroy;
2254	}	2489	}
2255		2490
…		…
2263		2498
2264	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2265		2500
2266	$self->unlink_save;	2501	$self->unlink_save;
2267		2502
2268	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2508
…		…
2322		2557
2323	sub unique_maps() {	2558	sub unique_maps() {
2324	[	2559	[
2325	map {	2560	map {
2326	utf8::decode $_;	2561	utf8::decode $_;
2327	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2328	? normalise $_	2565	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2567	]
2332	}	2568	}
2333		2569
2334	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2335		2601
2336	=back	2602	=back
2337		2603
2338	=head3 cf::object	2604	=head3 cf::object
2339		2605
…		…
2343		2609
2344	=over 4	2610	=over 4
2345		2611
2346	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2347		2613
2348	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2349		2616
2350	=cut	2617	=cut
2351		2618
2352	sub inv_recursive_;	2619	sub inv_recursive_;
2353	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2359	}	2626	}
2360		2627
2361	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2362		2629
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2631
2365	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2366		2633
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2402		2669
2403	=cut	2670	=cut
2404		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2405	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2687	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2703
2423	} else {	2704	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2707	}
2427	}	2708	}
2428	}	2709	}
2429		2710
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2736
2456	=item $player_object->enter_link	2737	=item $player_object->enter_link
2457		2738
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2740
2460	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2462		2745
2463	Will never block.	2746	Will never block.
2464		2747
2465	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2466		2749
…		…
2486	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2770	my ($self) = @_;
2488		2771
2489	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2490		2773
		2774	++$self->{_link_recursion};
		2775
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2777
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2495		2780
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2782	}
2498		2783
2499	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2501		2786
…		…
2518	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2520		2805
2521	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2524		2809
2525	$map->load;	2810	$map->load;
2526	$map->load_neighbours;
2527		2811
2528	return unless $self->contr->active;	2812	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2813
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2533	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2534		2821
		2822	}
		2823
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2825
2537	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2830	be called at the end of this process.
2542		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2543	=cut	2835	=cut
2544		2836
2545	our $GOTOGEN;	2837	our $GOTOGEN;
2546		2838
2547	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2548	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2549		2847
2550	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2850
2553	$self->enter_link;	2851	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2574	}	2872	}
2575	}	2873	}
2576		2874
2577	my $map = eval {	2875	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2877
2580	if ($map) {	2878	if ($map) {
2581	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2881	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2883	}
2586		2884
2587	$map	2885	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2598	}	2896	}
2599		2897
2600	$done->() if $done;	2898	$done->($self) if $done;
2601	})->prio (1);	2899	})->prio (1);
2602	}	2900	}
2603		2901
2604	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2605		2903
…		…
2625	}	2923	}
2626		2924
2627	sub prepare_random_map {	2925	sub prepare_random_map {
2628	my ($exit) = @_;	2926	my ($exit) = @_;
2629		2927
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2930	# that depends on the exit object
2635		2931
2636	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2934	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2643	}	2941	}
2644		2942
2645	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2646		2944
2647	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2650		2948
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2951	undef $fh;
2654	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2655		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2658	}	2960	}
2659	}	2961	}
2660		2962
2661	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2663		2965
2664	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2665		2967
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2968	$self->enter_link;
2678		2969
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2970	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2685		2972
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2688	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2689		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2690	1;	3009	1
2691	}) {	3010	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2696		3015
2697	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	3017	$self->leave_link;
2699	}	3018	}
2700	})->prio (1);	3019	})->prio (1);
2701	}	3020	}
2702		3021
…		…
2714	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2716		3035
2717	utf8::encode $text;	3036	utf8::encode $text;
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2719	}	3063	}
2720		3064
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3066
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2727		3071
2728	=cut	3072	=cut
2729		3073
2730	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2732	"c/identify" => {	3082	"c/identify" => {
2733	id => "infobox",	3083	id => "infobox",
2734	title => "Identify",	3084	title => "Identify",
2735	reply => undef,	3085	reply => undef,
2736	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3088	"c/examine" => {
2739	id => "infobox",	3089	id => "infobox",
2740	title => "Examine",	3090	title => "Examine",
2741	reply => undef,	3091	reply => undef,
2742	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
2743	},	3099	},
2744	"c/book" => {	3100	"c/book" => {
2745	id => "infobox",	3101	id => "infobox",
2746	title => "Book",	3102	title => "Book",
2747	reply => undef,	3103	reply => undef,
…		…
2763	id => "infobox",	3119	id => "infobox",
2764	title => "Body Parts",	3120	title => "Body Parts",
2765	reply => undef,	3121	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2767	},	3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
2768	"c/uptime" => {	3160	"c/uptime" => {
2769	id => "infobox",	3161	id => "infobox",
2770	title => "Uptime",	3162	title => "Uptime",
2771	reply => undef,	3163	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3167	id => "infobox",
2776	title => "Map Info",	3168	title => "Map Info",
2777	reply => undef,	3169	reply => undef,
2778	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2779	},	3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2780	);	3186	);
2781		3187
2782	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3190
2785	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2786		3193
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3195
2789	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2792		3199
2793	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3201	$channel = $channel->{id};
2797		3202
2798	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3208	}
2805		3209
2806	$channel = $channel->{id};	3210	$channel = $channel->{id};
2807	}	3211	}
2808		3212
2809	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2810		3214
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3215	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2815		3218
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3222	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3223
2830	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3225	}
2844		3226
2845	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2846		3228
2847	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2850		3232
2851	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2853		3235
2854	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}	3241	}
2860	}	3242	}
2861		3243
2862	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2863		3245
…		…
2866	=cut	3248	=cut
2867		3249
2868	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2870		3252
2871	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}
2878	}	3256	}
2879		3257
2880	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2881		3259
2882	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2937	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2938		3316
2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940		3318
2941	if (ref $msg) {	3319	if (ref $msg) {
2942	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2943	"ARRAY" eq ref $msg
2944	? @$msg
2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946		3321
2947	my @reply;	3322	my @reply;
2948		3323
2949	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2950	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2952		3327
2953	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2954	if $reply;	3329	if $reply;
2955		3330
2956	} else {	3331	} else {
2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958	}	3333	}
2959		3334
2960	cf::override;	3335	cf::override;
2961	},	3336	},
2962	);	3337	);
…		…
2982		3357
2983	$coro	3358	$coro
2984	}	3359	}
2985		3360
2986	cf::client->attach (	3361	cf::client->attach (
2987	on_destroy => sub {	3362	on_client_destroy => sub {
2988	my ($ns) = @_;	3363	my ($ns) = @_;
2989		3364
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3366	},
2992	);	3367	);
…		…
3008	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3009		3384
3010	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3011		3386
3012	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3015	sort time	3390	sort time
3016	));	3391	));
3017		3392
3018	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3021		3396
3022	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3023		3398
3024	cf::object	3399	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3027		3403
3028	cf::object::player	3404	cf::object::player
3029	player	3405	player
3030		3406
3031	cf::player	3407	cf::player
…		…
3036		3412
3037	=cut	3413	=cut
3038		3414
3039	for (	3415	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3046	) {	3422	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3425	for @funs;
3051	}	3426	}
3052		3427
…		…
3067		3442
3068	my $qcode = $code;	3443	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3071		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3072	local $_;	3450	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3451
3075	my $eval =	3452	my $eval =
3076	"do {\n"	3453	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3456	. $code
3080	. "\n}"	3457	. "\n}"
3081	;	3458	;
3082		3459
		3460	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3086		3469
3087	if ($@) {	3470	if ($@) {
3088	warn "$@";	3471	warn "$@",
3089	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3091	}	3474	}
3092		3475
3093	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3094	}	3477	}
3095		3478
…		…
3109	=cut	3492	=cut
3110		3493
3111	sub register_script_function {	3494	sub register_script_function {
3112	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3113		3496
3114	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3116	}	3499	}
3117		3500
3118	=back	3501	=back
3119		3502
3120	=cut	3503	=cut
3121		3504
3122	#############################################################################	3505	#############################################################################
3123	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3124		3509
3125	sub load_facedata($) {	3510	sub load_facedata($) {
3126	my ($path) = @_;	3511	my ($path) = @_;
3127		3512
3128	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3514	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3131		3516
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3518
3134	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3135		3520
3136	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3522
3142	$facedata->{version} == 2	3523	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3525
3145	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3146	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,	3529	type => FT_RSRC,
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3149	};	3532	};
3150	cf::cede_to_tick;	3533	cf::cede_to_tick;
3151		3534
3152	{	3535	{
3153	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
…		…
3155	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3540
3158	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
3162		3547
3163	cf::cede_to_tick;	3548	cf::cede_to_tick;
3164	}	3549	}
3165		3550
3166	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
…		…
3171		3556
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3560	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3562	}
3178		3563
3179	cf::cede_to_tick;	3564	cf::cede_to_tick;
3180	}	3565	}
3181	}	3566	}
…		…
3190		3575
3191	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
3192	}	3577	}
3193		3578
3194	{	3579	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
3198		3581
3199	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3586
3204	if ($info->{type} & 1) {	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
3219	} else {	3591	} else {
3220	$RESOURCE{$name} = $info;	3592	# $RESOURCE{$name} = $info; # unused
3221	}	3593	}
3222		3594
3223	cf::cede_to_tick;	3595	cf::cede_to_tick;
3224	}	3596	}
3225	}	3597	}
3226		3598
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3600
3229	1	3601	1
3230	}	3602	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3603
3252	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3605	my ($ns, $want) = @_;
3254		3606
3255	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3608	$ns->fx_want ($k, $v);
3257	}	3609	}
3258	};	3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
3259		3621
3260	sub reload_regions {	3622	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3623	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3624	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3625	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3277	}	3639	}
3278		3640
3279	sub reload_archetypes {	3641	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3642	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3643	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3644	}
3288		3645
3289	sub reload_treasures {	3646	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
3292	}	3649	}
3293		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
3294	sub reload_resources {	3671	sub reload_resources {
3295	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
3296		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
3297	reload_regions;	3679	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3680	reload_treasures;
3302		3681
3303	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3683	}
3309		3684
3310	sub reload_config {	3685	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3686	trace "reloading config file...\n";
3312	or return;
3313		3687
3314	local $/;	3688	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
3316		3691
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3693
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3321		3696
3322	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
3326	};	3701	};
3327	warn $@ if $@;	3702	warn $@ if $@;
3328	}	3703	}
3329	}	3704	}
3330		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
3331	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
3332	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3747	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3749	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
3339	};	3751	};
3340		3752
		3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
3341	reload_config;	3765	reload_config;
3342	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
3343	load_extensions;	3776	load_extensions;
3344		3777
3345	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3779
3347	EV::loop;	3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
3348	}	3795	}
3349		3796
3350	#############################################################################	3797	#############################################################################
3351	# initialisation and cleanup	3798	# initialisation and cleanup
3352		3799
3353	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
3354	BEGIN {	3801	BEGIN {
3355	our %SIGWATCHER = ();	3802	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3359	};	3806	};
3360	}	3807	}
3361	}	3808	}
3362		3809
3363	sub write_runtime {	3810	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3811	my $t0 = AE::time;
3365		3812
3366	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3368		3815
3369	IO::AIO::aio_utime $runtime, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3817
3371	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3372		3819
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3821	or return;
3375		3822
3376	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3835	aio_utime $fh, undef, undef;
3389		3836
3390	close $fh	3837	close $fh
3391	or return;	3838	or return;
3392		3839
3393	aio_rename "$runtime~", $runtime	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3841	and return;
3395		3842
3396	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		3844
3398	1	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
3399	}	3896	}
3400		3897
3401	sub emergency_save() {	3898	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3403		3900
3404	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3405		3907
3406	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3407	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3917	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3919	$pl->save;
3416	}	3920	}
3417	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3418		3922
3419	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3928	$map->valid or next;
3423	$map->save;	3929	$map->save;
3424	}	3930	}
3425	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3426		3932
3427	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3430	};	3961	};
3431		3962
3432	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3433	}	3964	}
3434		3965
3435	sub post_cleanup {	3966	sub post_cleanup {
3436	my ($make_core) = @_;	3967	my ($make_core) = @_;
3437		3968
		3969	IO::AIO::flush;
		3970
3438	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
3440	}	4001	}
3441		4002
3442	sub do_reload_perl() {	4003	sub do_reload_perl() {
3443	# can/must only be called in main	4004	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3445	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3446	return;	4007	return;
3447	}	4008	}
3448		4009
3449	warn "reloading...";	4010	return if $RELOAD++;
3450		4011
3451	warn "entering sync_job";	4012	my $t1 = AE::time;
3452		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
3453	cf::sync_job {	4020	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	4021	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		4022
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	4025	%EXT_CORO = ();
3477		4026
3478	warn "removing commands";	4027	trace "perl_reload: removing commands";
3479	%COMMAND = ();	4028	%COMMAND = ();
3480		4029
3481	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	4031	%EXTCMD = ();
3483	%EXTICMD = ();	4032	%EXTICMD = ();
3484		4033
3485	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3488		4037
3489	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3490	eval {	4039	eval {
3491	$cb->($pkg);	4040	$cb->($pkg);
3492	1	4041	1
3493	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
3494	}	4047	}
3495		4048
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		4052
3504	warn "... unloading $k";	4053	trace "... unloading $k";
3505	delete $INC{$k};	4054	delete $INC{$k};
3506		4055
3507	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3509		4058
3510	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
3512	}	4064	}
3513		4065
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4069
3521	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4073
3525	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4075	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3528		4077
3529	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3530		4079
3531	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3532	require cf;	4081	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3534		4083
3535	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4085	cf::reload_config;
3537		4086
3538	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4088	cf::load_extensions;
3540		4089
		4090	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3547		4098
3548	warn "leaving sync_job";	4099	cf::_post_init 1;
3549		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
3550	1	4103	1
3551	} or do {	4104	} or do {
3552	warn $@;	4105	error $@;
3553	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4107	};
		4108
		4109	--$RELOAD;
3555	};	4110	}
3556		4111
3557	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3558	};	4114	};
3559		4115
3560	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3561		4117
3562	sub reload_perl() {	4118	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3565		4121
		4122	$RELOAD_WATCHER ||= cf::async {
		4123	Coro::AIO::aio_wait cache_extensions;
		4124
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4126	do_reload_perl;
3567	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
3568	do_reload_perl;	4128	};
3569	};	4129	};
3570	}	4130	}
3571		4131
3572	register_command "reload" => sub {	4132	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4139	reload_perl;
3580	};	4140	};
3581	}	4141	}
3582	};	4142	};
3583		4143
3584	unshift @INC, $LIBDIR;	4144	#############################################################################
3585		4145
3586	my $bug_warning = 0;	4146	my $bug_warning = 0;
3587		4147
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4148	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4150
3595	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4152	}
3599		4153
3600	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4156
3604	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4159	$signal->wait;
3607	}	4160	}
3608		4161
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4162	sub tick {
3610	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3613	return;	4166	return;
3614	}	4167	}
3615		4168
3616	$NOW = $tick_start = EV::now;	4169	cf::one_tick; # one server iteration
3617		4170
3618	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4172
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4175	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4176	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4177	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
3629	};	4179	};
3630	}	4180	}
3631		4181
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4183	$sig->send;
3634	}	4184	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4186
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4189
3642	_post_tick;	4190	if (0) {
3643	};	4191	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
		4196	}
		4197	}
3645		4198
3646	{	4199	{
3647	# configure BDB	4200	# configure BDB
3648		4201
3649	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4203	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4205
3653	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4213
3660	cf::sync_job {	4214	cf::sync_job {
3661	eval {	4215	eval {
…		…
3687	{	4241	{
3688	# configure IO::AIO	4242	# configure IO::AIO
3689		4243
3690	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4246	undef $AnyEvent::AIO::WATCHER;
3693	}	4247	}
3694		4248
3695	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3696		4251
3697	sub _log_backtrace {	4252	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3699		4254
3700	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3701		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3705	async {	4265	async {
3706	$Coro::current->{desc} = "abt $msg";	4266	$Coro::current->{desc} = "abt $msg";
3707		4267
3708	my @bt = fork_call {	4268	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4280	}
3721		4281
3722	@funcs	4282	@funcs
3723	};	4283	};
3724		4284
3725	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4288	--$_log_backtrace;
3728	};	4289	};
3729	} else {	4290	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4293	}
3733	}	4294	}
3734		4295
3735	# load additional modules	4296	# load additional modules
3736	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3737		4299
3738	END { cf::emergency_save }	4300	END { cf::emergency_save }
3739		4301
3740	1	4302	1
3741		4303

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