ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC vs.
Revision 1.582 by root, Fri Feb 3 03:01:45 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;	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 4.1 ();	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;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
44	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		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;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
89		135
90	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
		139	our $NOW;
92		140
93	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
94	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
95	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
96		144
97	# 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 ∕
98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
99		147
100	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)
101	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
102	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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
103		160
104	binmode STDOUT;	161	binmode STDOUT;
105	binmode STDERR;	162	binmode STDERR;
106		163
107	# read virtual server time, if available	164	# read virtual server time, if available
108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
109	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
110	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
111	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
112	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
113		172
114	mkdir $_	173	mkdir $_
115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
116		175
117	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
118		177
119	sub cf::map::normalise;	178	sub cf::map::normalise;
120		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
121	#############################################################################	184	#############################################################################
122		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
123	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
124		198
125	=over 4	199	=over 4
126		200
127	=item $cf::UPTIME	201	=item $cf::UPTIME
128		202
129	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.
130		219
131	=item $cf::RUNTIME	220	=item $cf::RUNTIME
132		221
133	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
134	every server tick.	223	every server tick.
…		…
140	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
143	database environment.	232	database environment.
144		233
145	=item $cf::NOW
146
147	The time of the last (current) server tick.
148
149	=item $cf::TICK
150
151	The interval between server ticks, in seconds.
152
153	=item $cf::LOADAVG	234	=item $cf::LOADAVG
154		235
155	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
156	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
157	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
166	from wherever your confdir points to.	247	from wherever your confdir points to.
167		248
168	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
169		250
170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
171	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
173		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
174	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
175		273
176	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
177	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
178	that call.	276	that call.
179		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
180	=back	284	=back
181		285
182	=cut	286	=cut
183		287
184	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
185	*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 {
186	my $msg = join "", @_;	295	my $msg = join "", @_;
187		296
188	$msg .= "\n"	297	$msg .= "\n"
189	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
190		299
191	$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;
192		301
193	LOG llevError, $msg;	302	LOG llevWarn, $msg;
194	};	303	};
195	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		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
		316	Coro::terminate
		317	};
196		318
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	329	for my $pkg (qw(
208	cf::global cf::attachable	330	cf::global cf::attachable
209	cf::object cf::object::player	331	cf::object cf::object::player
210	cf::client cf::player	332	cf::client cf::player
211	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
212	cf::map cf::party cf::region	335	cf::party cf::region
213	)) {	336	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	338	}
217		339
218	$EV::DIED = sub {	340	$EV::DIED = sub {
219	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
220	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
221		348
222	#############################################################################	349	#############################################################################
223		350
224	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
225		352
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	374	$d
248	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
249	}	376	}
250		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
251	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
252		431
253	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
254		433
255	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		441
263	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
265		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
266	=item cf::lock_wait $string	507	=item cf::lock_wait $string
267		508
268	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
269		510
270	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
271		512
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
275	returned.	516	returned.
276		517
277	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
278	deadlocked coro.	519	deadlocked coro.
…		…
284		525
285	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.
286		527
287	=cut	528	=cut
288		529
289	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		531
292	sub lock_wait($) {	532	sub lock_wait($) {
293	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	534	}
306		535
307	sub lock_acquire($) {	536	sub lock_acquire($) {
308	my ($key) = @_;	537	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	538	}
322		539
323	sub lock_active($) {	540	sub lock_active($) {
324	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	542	}
328		543
329	sub freeze_mainloop {	544	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
331		546
332	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;
334	};
335	$TICK_WATCHER->stop;
336	$guard
337	}	548	}
338		549
339	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
340		551
341	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
342	get spread over timer.	553	get spread over time.
343		554
344	=cut	555	=cut
345		556
346	sub periodic($$) {	557	sub periodic($$) {
347	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
351	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
352	}	563	}
353		564
354	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
355		566
356	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
357	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
358	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$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.
359		574
360	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
361	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
362		577
363	Useful for short background jobs.	578	Useful for short background jobs.
364		579
365	=cut	580	=cut
366		581
367	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
368	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
369		585
370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
372	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
373		589
374	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
375		592
376	while () {	593	while () {
377	next_job:	594	next_job:
		595
378	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
379	if ($avail > 0.01) {	597
380	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
381	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
382	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
383	$job->[2]->send;	602	$job->[2]->send;
384	Coro::cede;	603	Coro::cede;
385	goto next_job;	604	goto next_job;
386	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
387	}	607	}
388	}	608	}
389		609
390	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
391	# 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
392	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
393	$signal->wait;
394	} else {	613	} else {
		614	$busy = 0;
395	Coro::schedule;	615	Coro::schedule;
396	}	616	}
397	}	617	}
398	};	618	};
399		619
400	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
401	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
402		624
403	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
404	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
405		628
406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
434	=cut	657	=cut
435		658
436	sub sync_job(&) {	659	sub sync_job(&) {
437	my ($job) = @_;	660	my ($job) = @_;
438		661
439	if ($Coro::current == $Coro::main) {	662	if (in_main) {
440	my $time = EV::time;	663	my $time = AE::time;
441		664
442	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
443	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
444		667
445	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
446		669
447	# TODO: use suspend/resume instead
448	# (but this is cancel-safe)
449	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
450		671
451	my $busy = 1;	672	my $busy = 1;
452	my @res;	673	my @res;
453		674
454	(async {	675	(async {
455	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
456	@res = eval { $job->() };	677	@res = eval { $job->() };
457	warn $@ if $@;	678	error $@ if $@;
458	undef $busy;	679	undef $busy;
459	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
460		681
461	while ($busy) {	682	while ($busy) {
462	if (Coro::nready) {	683	if (Coro::nready) {
…		…
464	} else {	685	} else {
465	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
466	}	687	}
467	}	688	}
468		689
469	$time = EV::time - $time;	690	my $time = AE::time - $time;
470		691
471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
475		693
476	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
477	} else {	695	} else {
478	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
479		697
…		…
499	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
500		718
501	$coro	719	$coro
502	}	720	}
503		721
504	=item fork_call { }, $args	722	=item fork_call { }, @args
505		723
506	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
507	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
508	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
509	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
510		728
511	=cut	729	=cut
512		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
513	sub fork_call(&@) {	735	sub fork_call(&@) {
514	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
515		737
516	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
517	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
518	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
519		741
520	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
521	reset_signals;	743	cf::post_fork;
522	&$cb	744	&$cb
523	}, @args;	745	} @args;
524		746
525	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
526	}	786	}
527		787
528	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
529		789
530	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
540	within each server.	800	within each server.
541		801
542	=cut	802	=cut
543		803
544	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
545	my ($name) = @_;	808	my ($name) = @_;
546	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
547		810
548	eval {	811	eval {
549	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
559	}	822	}
560		823
561	our $DB;	824	our $DB;
562		825
563	sub db_init {	826	sub db_init {
564	cf::sync_job {
565	$DB ||= db_table "db";	827	$DB ||= db_table "db";
566	};
567	}	828	}
568		829
569	sub db_get($$) {	830	sub db_get($$) {
570	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
571		832
572	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
573	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
574		837
575	$! ? ()	838	$! ? ()
576	: $data	839	: $data
577	}
578	}	840	}
579		841
580	sub db_put($$$) {	842	sub db_put($$$) {
581	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
610		872
611	my @data;	873	my @data;
612	my $md5;	874	my $md5;
613		875
614	for (0 .. $#$src) {	876	for (0 .. $#$src) {
615	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
616	or Carp::croak "$src->[$_]: $!";
617	}	878	}
618		879
619	# if processing is expensive, check	880	# if processing is expensive, check
620	# checksum first	881	# checksum first
621	if (1) {	882	if (1) {
…		…
638		899
639	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
640	my $data = $process->(\@data);	901	my $data = $process->(\@data);
641	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
642		903
643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
644		905
645	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
646	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
647	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
648		909
…		…
658		919
659	=cut	920	=cut
660		921
661	sub datalog($@) {	922	sub datalog($@) {
662	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
664	}	925	}
665		926
666	=back	927	=back
667		928
668	=cut	929	=cut
669		930
670	#############################################################################	931	#############################################################################
671		932
672	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
673		934
674	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
675	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")
676	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
677		938
678	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>
679	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
…		…
729	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
730		991
731	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
732	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
733		994
734	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
735	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.
736		997
737	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
738		999
739	=over 4	1000	=over 4
…		…
863		1124
864	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
865	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
866		1127
867	} elsif (ref $type) {	1128	} elsif (ref $type) {
868	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
869		1130
870	} else {	1131	} else {
871	shift @arg;	1132	shift @arg;
872	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
873	}	1134	}
874	}	1135	}
875	}	1136	}
876		1137
877	sub _object_attach {	1138	sub _object_attach {
…		…
887	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
888	}	1149	}
889		1150
890	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
891	} else {	1152	} else {
892	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
893	}	1154	}
894		1155
895	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
896	}	1157	}
897		1158
…		…
956		1217
957	for (@$callbacks) {	1218	for (@$callbacks) {
958	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
959		1220
960	if ($@) {	1221	if ($@) {
961	warn "$@";
962	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
963	override;	1223	override;
964	}	1224	}
965		1225
966	return 1 if $override;	1226	return 1 if $override;
967	}	1227	}
968		1228
969	0	1229	0
970	}	1230	}
971		1231
972	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
973		1233
974	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
975		1235
976	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
977		1237
…		…
1030		1290
1031	sub reattach {	1291	sub reattach {
1032	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1033	my ($obj) = @_;	1293	my ($obj) = @_;
1034		1294
		1295	# no longer needed after getting rid of delete_package?
1035	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
1036		1297
1037	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1038		1299
1039	@$registry = ();	1300	@$registry = ();
1040		1301
…		…
1045	for (@$attach) {	1306	for (@$attach) {
1046	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1047	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1048	}	1309	}
1049	} else {	1310	} else {
1050	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1051	}	1312	}
1052	}	1313	}
1053	}	1314	}
1054		1315
1055	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1082	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1083		1344
1084	sync_job {	1345	sync_job {
1085	if (length $$rdata) {	1346	if (length $$rdata) {
1086	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1087	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1088	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1089		1351
1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1091	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1093	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	}
1094	close $fh;	1359	aio_close $fh;
1095		1360
1096	if (@$objs) {	1361	if (@$objs) {
1097	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) {
1098	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1100	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1101	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	}
1102	close $fh;	1370	aio_close $fh;
1103	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1104	}	1372	}
1105	} else {	1373	} else {
1106	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1107	}	1375	}
1108		1376
1109	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1110	} else {	1381	} else {
1111	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1112	}	1383	}
1113	} else {	1384	} else {
1114	aio_unlink $filename;	1385	aio_unlink $filename;
1115	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1116	}	1387	}
…		…
1140	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1141	$av = $st->{objs};	1412	$av = $st->{objs};
1142	}	1413	}
1143		1414
1144	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1145	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1146	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1147		1419
1148	($data, $av)	1420	($data, $av)
1149	}	1421	}
1150		1422
1151	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1207	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1208		1480
1209	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1210	}	1482	}
1211		1483
		1484	use File::Glob ();
		1485
1212	cf::player->attach (	1486	cf::player->attach (
1213	on_command => sub {	1487	on_unknown_command => sub {
1214	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1215		1489
1216	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1217	or return;	1491	or return;
1218		1492
…		…
1226	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1227		1501
1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1229		1503
1230	if (ref $msg) {	1504	if (ref $msg) {
1231	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1232	"ARRAY" eq ref $msg
1233	? @$msg
1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1235		1506
1236	my @reply;	1507	my @reply;
1237		1508
1238	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1239	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1241		1512
1242	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1243	if $reply;	1514	if $reply;
1244		1515
1245	} else {	1516	} else {
1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1247	}	1518	}
1248		1519
1249	cf::override;	1520	cf::override;
1250	},	1521	},
1251	);	1522	);
1252		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
1253	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1254	cf::sync_job {	1553	cf::sync_job {
1255	my %todo;	1554	my %todo;
1256		1555
1257	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1258	next unless -r $path;	1557	next unless -r $path;
…		…
1276		1575
1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279		1578
1280	$ext{source} =	1579	$ext{source} =
1281	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1282	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1283	. $source	1582	. $source
1284	. "\n};\n1";	1583	. "\n};\n1";
1285		1584
1286	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1287	}	1586	}
1288		1587
		1588	my $pass = 0;
1289	my %done;	1589	my %done;
1290	while (%todo) {	1590	while (%todo) {
1291	my $progress;	1591	my $progress;
1292		1592
		1593	++$pass;
		1594
		1595	ext:
1293	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1294	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1295	goto skip	1598	next ext
1296	unless exists $done{$_};	1599	unless exists $done{$_};
1297	}	1600	}
1298		1601
1299	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1300		1603
1301	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 $@) {
1302	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1303	: "$v->{base}: extension inactive.\n";
1304		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1305	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1306	warn $msg;	1620
1307	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1308	exit 1;	1622	delete $todo{$k};
1309	}	1623	} else {
1310		1624	$done{$k} = delete $todo{$k};
1311	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1312	}	1630	}
1313
1314	$done{$k} = delete $todo{$k};
1315	push @EXTS, $v->{pkg};
1316	$progress = 1;
1317	}	1631	}
1318		1632
1319	skip:	1633	unless ($progress) {
1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1321	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1322	}	1643	}
1323	};	1644	};
1324	}	1645	}
1325		1646
1326	#############################################################################	1647	#############################################################################
1327		1648
1328	=back	1649	=back
1329		1650
1330	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1331		1652
1332	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1333		1654
1334	=cut	1655	=cut
1335		1656
1336	package cf::player;	1657	package cf::player;
1337		1658
…		…
1380		1701
1381	sub exists($) {	1702	sub exists($) {
1382	my ($login) = @_;	1703	my ($login) = @_;
1383		1704
1384	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1385	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1386	}	1707	}
1387		1708
1388	sub find($) {	1709	sub find($) {
1389	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1390	my $login = $_[0];	1711	my $login = $_[0];
…		…
1402	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1403	or return;	1724	or return;
1404		1725
1405	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1406	or return;	1727	or return;
		1728
1407	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1408	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1409	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1410	}	1732	}
1411	}	1733	}
1412	}	1734	}
1413		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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
1414	sub save($) {	1749	sub save($) {
1415	my ($pl) = @_;	1750	my ($pl) = @_;
1416		1751
1417	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1418		1753
…		…
1421		1756
1422	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1423		1758
1424	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1425	$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];
1426		1766
1427	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1428	cf::cede_to_tick;	1768	cf::cede_to_tick;
1429	}	1769	}
1430		1770
…		…
1462	my ($pl) = @_;	1802	my ($pl) = @_;
1463		1803
1464	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1465		1805
1466	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1467	$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
1468		1808
1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1470	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1471	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1472	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1473		1817
1474	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1475	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1476	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1514		1858
1515	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1516	my $path = path $login;	1860	my $path = path $login;
1517		1861
1518	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1519	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1521	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1522	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1523	}	1868	}
1524		1869
…		…
1528		1873
1529	\@logins	1874	\@logins
1530	}	1875	}
1531		1876
1532	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1533		1880
1534	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1535	player. May block.	1882	player. May block.
1536		1883
1537	=cut	1884	=cut
…		…
1555	}	1902	}
1556		1903
1557	\@paths	1904	\@paths
1558	}	1905	}
1559		1906
1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1561		1908
1562	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1563
1564	=cut
1565
1566	use re 'eval';
1567
1568	my $group;
1569	my $interior; $interior = qr{
1570	# match a pod interior sequence sans C<< >>
1571	(?:
1572	\ (.*?)\ (?{ $group = $^N })
1573	| < (??{$interior}) >
1574	)
1575	}x;
1576
1577	sub expand_cfpod {
1578	my ($self, $pod) = @_;
1579
1580	my $xml;
1581
1582	while () {
1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584	$group = $1;
1585
1586	$group =~ s/&/&amp;/g;
1587	$group =~ s/</&lt;/g;
1588
1589	$xml .= $group;
1590	} elsif ($pod =~ m%\G
1591	([BCGHITU])
1592	<
1593	(?:
1594	([^<>]*) (?{ $group = $^N })
1595	| < $interior >
1596	)
1597	>
1598	%gcsx
1599	) {
1600	my ($code, $data) = ($1, $group);
1601
1602	if ($code eq "B") {
1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604	} elsif ($code eq "I") {
1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606	} elsif ($code eq "U") {
1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608	} elsif ($code eq "C") {
1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610	} elsif ($code eq "T") {
1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612	} elsif ($code eq "G") {
1613	my ($male, $female) = split /\|/, $data;
1614	$data = $self->gender ? $female : $male;
1615	$xml .= expand_cfpod ($self, $data);
1616	} elsif ($code eq "H") {
1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619	"")
1620	[$self->{hintmode}];
1621	} else {
1622	$xml .= "error processing '$code($data)' directive";
1623	}
1624	} else {
1625	if ($pod =~ /\G(.+)/) {
1626	warn "parse error while expanding $pod (at $1)";
1627	}
1628	last;
1629	}
1630	}
1631
1632	for ($xml) {
1633	# create single paragraphs (very hackish)
1634	s/(?<=\S)\n(?=\w)/ /g;
1635
1636	# compress some whitespace
1637	s/\s+\n/\n/g; # ws line-ends
1638	s/\n\n+/\n/g; # double lines
1639	s/^\n+//; # beginning lines
1640	s/\n+$//; # ending lines
1641	}
1642
1643	$xml
1644	}
1645
1646	no re 'eval';
1647
1648	sub hintmode {
1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1650	$_[0]{hintmode}
1651	}
1652		1910
1653	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1654		1912
1655	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1656		1914
…		…
1688		1946
1689	=cut	1947	=cut
1690		1948
1691	sub find_by_path($) {	1949	sub find_by_path($) {
1692	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1693		1953
1694	my ($match, $specificity);	1954	my ($match, $specificity);
1695		1955
1696	for my $region (list) {	1956	for my $region (list) {
1697	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1723	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1724	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1725		1985
1726	sub generate_random_map {	1986	sub generate_random_map {
1727	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1728	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1729	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1733	$rmp->{exit_on_final_map},
1734	$rmp->{xsize}, $rmp->{ysize},
1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1741	)
1742	}	1992	}
1743		1993
1744	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1745		1995
1746	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
…		…
1751		2001
1752	sub register {	2002	sub register {
1753	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1754	my $pkg = caller;	2004	my $pkg = caller;
1755		2005
1756	no strict;
1757	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1758		2007
1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1760	}	2009	}
1761		2010
1762	# also paths starting with '/'	2011	# also paths starting with '/'
1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1764		2013
1765	sub thawer_merge {	2014	sub thawer_merge {
1766	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1767		2016
1768	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1773	}	2022	}
1774		2023
1775	sub normalise {	2024	sub normalise {
1776	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1777		2026
1778	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1779		2028
1780	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1781		2030
1782	# map plan:	2031	# map plan:
1783	#	2032	#
…		…
1798	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1799	$path = "$base/$path";	2048	$path = "$base/$path";
1800	}	2049	}
1801		2050
1802	for ($path) {	2051	for ($path) {
1803	redo if s{//}{/};
1804	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1805	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1806	}	2054	}
1807		2055
1808	$path	2056	$path
…		…
1822	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1823	return $self;	2071	return $self;
1824	}	2072	}
1825	}	2073	}
1826		2074
1827	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1828	()	2076	()
1829	}	2077	}
1830		2078
		2079	# may re-bless or do other evil things
1831	sub init {	2080	sub init {
1832	my ($self) = @_;	2081	my ($self) = @_;
1833		2082
1834	$self	2083	$self
1835	}	2084	}
…		…
1854		2103
1855	# the temporary/swap location	2104	# the temporary/swap location
1856	sub save_path {	2105	sub save_path {
1857	my ($self) = @_;	2106	my ($self) = @_;
1858		2107
1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1860	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1861	}	2110	}
1862		2111
1863	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1864	sub uniq_path {	2113	sub uniq_path {
1865	my ($self) = @_;	2114	my ($self) = @_;
1866		2115
1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1868	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1869	}
1870
1871	# and all this just because we cannot iterate over
1872	# all maps in C++...
1873	sub change_all_map_light {
1874	my ($change) = @_;
1875
1876	$_->change_map_light ($change)
1877	for grep $_->outdoor, values %cf::MAP;
1878	}	2118	}
1879		2119
1880	sub decay_objects {	2120	sub decay_objects {
1881	my ($self) = @_;	2121	my ($self) = @_;
1882		2122
…		…
1909	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1910		2150
1911	1	2151	1
1912	}	2152	}
1913		2153
		2154	# used to laod the header of an original map
1914	sub load_header_orig {	2155	sub load_header_orig {
1915	my ($self) = @_;	2156	my ($self) = @_;
1916		2157
1917	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1918	}	2159	}
1919		2160
		2161	# used to laod the header of an instantiated map
1920	sub load_header_temp {	2162	sub load_header_temp {
1921	my ($self) = @_;	2163	my ($self) = @_;
1922		2164
1923	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1924	}	2166	}
1925		2167
		2168	# called after loading the header from an instantiated map
1926	sub prepare_temp {	2169	sub prepare_temp {
1927	my ($self) = @_;	2170	my ($self) = @_;
1928		2171
1929	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1930	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1931	# safety	2174	# safety
1932	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1933	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1934	}	2177	}
1935		2178
		2179	# called after loading the header from an original map
1936	sub prepare_orig {	2180	sub prepare_orig {
1937	my ($self) = @_;	2181	my ($self) = @_;
1938		2182
1939	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1940	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1964		2208
1965	sub find;	2209	sub find;
1966	sub find {	2210	sub find {
1967	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1968		2212
		2213	cf::cede_to_tick;
		2214
1969	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1970		2216
1971	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1972	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1973		2219
1974	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1975	my $guard1 = cf::lock_acquire "map_find:$path";
1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1978	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1979	or return;	2222	or return;
1980		2223
1981	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1982		2225
…		…
1984	or return;	2227	or return;
1985		2228
1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1987	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1988	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1989	undef $guard1;	2233	undef $guard1;
1990	undef $guard2;
1991	$map->reset;	2234	$map->reset;
1992	return find $path;	2235	return find $path;
1993	}	2236	}
1994		2237
1995	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1996	}	2239	}
1997	}	2240	}
1998		2241
1999	sub pre_load { }	2242	sub pre_load { }
2000	sub post_load { }	2243	#sub post_load { } # XS
2001		2244
2002	sub load {	2245	sub load {
2003	my ($self) = @_;	2246	my ($self) = @_;
2004		2247
2005	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2008		2251
2009	{	2252	{
2010	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2011		2254
2012	return unless $self->valid;	2255	return unless $self->valid;
2013	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2014
2015	$self->in_memory (cf::MAP_LOADING);
2016		2257
2017	$self->alloc;	2258	$self->alloc;
2018		2259
2019	$self->pre_load;	2260	$self->pre_load;
2020	cf::cede_to_tick;	2261	cf::cede_to_tick;
2021		2262
		2263	if (exists $self->{load_path}) {
2022	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2023	$f->skip_block;	2265	$f->skip_block;
2024	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2025	or return;	2267	or return;
2026		2268
2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2028	if delete $self->{load_original};	2270	if delete $self->{load_original};
2029		2271
2030	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2031	utf8::encode $uniq;	2273	utf8::encode $uniq;
2032	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2033	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2034	$self->clear_unique_items;	2276	$self->clear_unique_items;
2035	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2036	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2037	}	2280	}
2038	}	2281	}
2039	}
2040		2282
2041	$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);
2042		2290
2043	cf::cede_to_tick;	2291	cf::cede_to_tick;
2044	# now do the right thing for maps	2292	# now do the right thing for maps
2045	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2046	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2050	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2051	$self->decay_objects;	2299	$self->decay_objects;
2052	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2053	$self->update_buttons;	2301	$self->update_buttons;
2054	cf::cede_to_tick;	2302	cf::cede_to_tick;
2055	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2056	cf::cede_to_tick;
2057	$self->activate;
2058	}	2304	}
2059		2305
2060	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2061	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2062
2063	$self->in_memory (cf::MAP_IN_MEMORY);
2064	}	2308	}
2065		2309
2066	$self->post_load;	2310	$self->post_load;
2067	}
2068		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2069	sub customise_for {	2318	sub customise_for {
2070	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2071		2320
2072	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2073	if $self->per_player;	2322	if $self->per_player;
…		…
2076	# if $self->per_party;	2325	# if $self->per_party;
2077		2326
2078	$self	2327	$self
2079	}	2328	}
2080		2329
2081	# find and load all maps in the 3x3 area around a map
2082	sub load_neighbours {
2083	my ($map) = @_;
2084
2085	my @neigh; # diagonal neighbours
2086
2087	for (0 .. 3) {
2088	my $neigh = $map->tile_path ($_)
2089	or next;
2090	$neigh = find $neigh, $map
2091	or next;
2092	$neigh->load;
2093
2094	push @neigh,
2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2097	}
2098
2099	for (grep defined $_->[0], @neigh) {
2100	my ($path, $origin) = @$_;
2101	my $neigh = find $path, $origin
2102	or next;
2103	$neigh->load;
2104	}
2105	}
2106
2107	sub find_sync {	2330	sub find_sync {
2108	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2109		2332
2110	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, $origin
2111	}	2338	}
2112		2339
2113	sub do_load_sync {	2340	sub do_load_sync {
2114	my ($map) = @_;	2341	my ($map) = @_;
2115		2342
		2343	# it's a bug to call this from the main context
2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2117	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2118		2346
2119	cf::sync_job { $map->load };	2347	$map->load;
2120	}	2348	}
2121		2349
2122	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2123	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2124		2352
2125	sub find_async {	2353	sub find_async {
2126	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2127		2355
2128	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2129		2357
2130	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2132	}	2360	}
2133		2361
2134	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2135		2363
2136	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2150	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2151		2379
2152	()	2380	()
2153	}	2381	}
2154		2382
		2383	# common code, used by both ->save and ->swapout
2155	sub save {	2384	sub _save {
2156	my ($self) = @_;	2385	my ($self) = @_;
2157
2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
2159		2386
2160	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2161		2388
2162	return unless $self->dirty;	2389	return unless $self->dirty;
2163		2390
…		…
2172		2399
2173	cf::async {	2400	cf::async {
2174	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2175	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2176	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2177		2406
2178	if ($uniq) {	2407	if ($uniq) {
2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2181	} else {	2410	} else {
2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2183	}	2412	}
2184	}	2413	}
2185		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2186	sub swap_out {	2423	sub swap_out {
2187	my ($self) = @_;	2424	my ($self) = @_;
2188		2425
2189	# save first because save cedes
2190	$self->save;
2191
2192	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2193		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2194	return if $self->players;	2430	return if $self->players;
2195	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
2196	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2197		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
2198	$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};
2199		2482
2200	$self->deactivate;	2483	$self->deactivate;
2201	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2202	$self->clear;	2485	$self->clear;
2203	}
2204
2205	sub reset_at {
2206	my ($self) = @_;
2207
2208	# TODO: safety, remove and allow resettable per-player maps
2209	return 1e99 if $self->{deny_reset};
2210
2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2213
2214	$time + $to
2215	}
2216
2217	sub should_reset {
2218	my ($self) = @_;
2219
2220	$self->reset_at <= $cf::RUNTIME
2221	}
2222
2223	sub reset {
2224	my ($self) = @_;
2225
2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2227
2228	return if $self->players;
2229
2230	warn "resetting map ", $self->path;
2231
2232	$self->in_memory (cf::MAP_SWAPPED);
2233
2234	# need to save uniques path
2235	unless ($self->{deny_save}) {
2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
2237
2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2239	if $uniq;
2240	}
2241
2242	delete $cf::MAP{$self->path};
2243
2244	$self->deactivate;
2245	$_->clear_links_to ($self) for values %cf::MAP;
2246	$self->clear;
2247		2486
2248	$self->unlink_save;	2487	$self->unlink_save;
2249	$self->destroy;	2488	$self->destroy;
2250	}	2489	}
2251		2490
…		…
2259		2498
2260	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2261		2500
2262	$self->unlink_save;	2501	$self->unlink_save;
2263		2502
2264	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2265	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2266	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2267	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2269		2508
…		…
2318		2557
2319	sub unique_maps() {	2558	sub unique_maps() {
2320	[	2559	[
2321	map {	2560	map {
2322	utf8::decode $_;	2561	utf8::decode $_;
2323	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2324	? normalise $_	2565	: normalise $_
2325	: ()
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2567	]
2328	}	2568	}
2329		2569
2330	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	}
2331		2601
2332	=back	2602	=back
2333		2603
2334	=head3 cf::object	2604	=head3 cf::object
2335		2605
…		…
2339		2609
2340	=over 4	2610	=over 4
2341		2611
2342	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2343		2613
2344	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.
2345		2616
2346	=cut	2617	=cut
2347		2618
2348	sub inv_recursive_;	2619	sub inv_recursive_;
2349	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2354	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2355	}	2626	}
2356		2627
2357	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2358		2629
2359	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.
2360		2631
2361	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2362		2633
2363	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,
2364	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2396	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
2397	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2398		2669
2399	=cut	2670	=cut
2400		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
2401	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2402	# with dialog boxes.	2687	# with dialog boxes.
2403	#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
2404	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2405	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2416	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418		2703
2419	} else {	2704	} else {
2420	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2421	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422	}	2707	}
2423	}	2708	}
2424	}	2709	}
2425		2710
2426	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2451		2736
2452	=item $player_object->enter_link	2737	=item $player_object->enter_link
2453		2738
2454	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}>).
2455		2740
2456	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.
2457	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.
2458		2745
2459	Will never block.	2746	Will never block.
2460		2747
2461	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2462		2749
…		…
2482	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2483	my ($self) = @_;	2770	my ($self) = @_;
2484		2771
2485	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2486		2773
		2774	++$self->{_link_recursion};
		2775
2487	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2488		2777
2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2490	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2491		2780
2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2493	}	2782	}
2494		2783
2495	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2496	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2497		2786
…		…
2514	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2515	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2516		2805
2517	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2518	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2519	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2520		2809
2521	$map->load;	2810	$map->load;
2522	$map->load_neighbours;
2523		2811
2524	return unless $self->contr->active;	2812	return unless $self->contr->active;
2525	$self->activate_recursive;
2526		2813
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2529	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2530		2821
		2822	}
		2823
2531	=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)]])
2532		2825
2533	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
2534	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2535	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
2536	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
2537	be called at the end of this process.	2830	be called at the end of this process.
2538		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
2539	=cut	2835	=cut
2540		2836
2541	our $GOTOGEN;	2837	our $GOTOGEN;
2542		2838
2543	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2544	my ($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	}
2545		2847
2546	# 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
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2850
2549	$self->enter_link;	2851	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2570	}	2872	}
2571	}	2873	}
2572		2874
2573	my $map = eval {	2875	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2877
2576	if ($map) {	2878	if ($map) {
2577	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2881	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2883	}
2582		2884
2583	$map	2885	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2594	}	2896	}
2595		2897
2596	$done->() if $done;	2898	$done->($self) if $done;
2597	})->prio (1);	2899	})->prio (1);
2598	}	2900	}
2599		2901
2600	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2601		2903
…		…
2621	}	2923	}
2622		2924
2623	sub prepare_random_map {	2925	sub prepare_random_map {
2624	my ($exit) = @_;	2926	my ($exit) = @_;
2625		2927
2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
2627
2628	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2629	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2630	# that depends on the exit object	2930	# that depends on the exit object
2631		2931
2632	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2634	if ($exit->map) {	2934	if ($exit->map) {
2635	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2636	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2637	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2638	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2639	}	2941	}
2640		2942
2641	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2642		2944
2643	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2644	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2645	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2646		2948
2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2648	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2649	undef $fh;	2951	undef $fh;
2650	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2651		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2652	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2653	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2654	}	2960	}
2655	}	2961	}
2656		2962
2657	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2658	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2659		2965
2660	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2661		2967
2662	if ($exit->slaying eq "/!") {
2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
2664	# the problem is that $exit might not survive long enough
2665	# so it needs to be done right now, right here
2666	cf::sync_job { prepare_random_map $exit };
2667	}
2668
2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2670	my $hp = $exit->stats->hp;
2671	my $sp = $exit->stats->sp;
2672
2673	$self->enter_link;	2968	$self->enter_link;
2674		2969
2675	# if exit is damned, update players death & WoR home-position
2676	$self->contr->savebed ($slaying, $hp, $sp)
2677	if $exit->flag (FLAG_DAMNED);
2678
2679	(async {	2970	(async {
2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2681		2972
2682	$self->deactivate_recursive; # just to be sure
2683	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
2684	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2685		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
2686	1;	3009	1
2687	}) {	3010	}) {
2688	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2689	. "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. "
2690	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2691	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2692		3015
2693	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2694	$self->leave_link;	3017	$self->leave_link;
2695	}	3018	}
2696	})->prio (1);	3019	})->prio (1);
2697	}	3020	}
2698		3021
…		…
2710	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2711	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2712		3035
2713	utf8::encode $text;	3036	utf8::encode $text;
2714	$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);
2715	}	3063	}
2716		3064
2717	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2718		3066
2719	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
…		…
2723		3071
2724	=cut	3072	=cut
2725		3073
2726	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2727	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	},
2728	"c/identify" => {	3082	"c/identify" => {
2729	id => "infobox",	3083	id => "infobox",
2730	title => "Identify",	3084	title => "Identify",
2731	reply => undef,	3085	reply => undef,
2732	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2734	"c/examine" => {	3088	"c/examine" => {
2735	id => "infobox",	3089	id => "infobox",
2736	title => "Examine",	3090	title => "Examine",
2737	reply => undef,	3091	reply => undef,
2738	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",
2739	},	3099	},
2740	"c/book" => {	3100	"c/book" => {
2741	id => "infobox",	3101	id => "infobox",
2742	title => "Book",	3102	title => "Book",
2743	reply => undef,	3103	reply => undef,
…		…
2759	id => "infobox",	3119	id => "infobox",
2760	title => "Body Parts",	3120	title => "Body Parts",
2761	reply => undef,	3121	reply => undef,
2762	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2763	},	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	},
2764	"c/uptime" => {	3160	"c/uptime" => {
2765	id => "infobox",	3161	id => "infobox",
2766	title => "Uptime",	3162	title => "Uptime",
2767	reply => undef,	3163	reply => undef,
2768	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2771	id => "infobox",	3167	id => "infobox",
2772	title => "Map Info",	3168	title => "Map Info",
2773	reply => undef,	3169	reply => undef,
2774	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2775	},	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" => $CHAT_CHANNEL,
2776	);	3186	);
2777		3187
2778	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2779	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2780		3190
2781	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2782		3193
2783	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2784		3195
2785	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2786	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2787	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2788		3199
2789	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2790	if $self->can_msg;
2791
2792	$channel = $channel->{id};	3201	$channel = $channel->{id};
2793		3202
2794	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2795	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2796	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2797	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2798	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800	}	3208	}
2801		3209
2802	$channel = $channel->{id};	3210	$channel = $channel->{id};
2803	}	3211	}
2804		3212
2805	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2806		3214
2807	if ($self->can_msg) {
2808	# default colour, mask it out	3215	# default colour, mask it out
2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2811		3218
2812	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2814	} else {	3222	);
2815	if ($color >= 0) {
2816	# replace some tags by gcfclient-compatible ones
2817	for ($msg) {
2818	1 while
2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824	}
2825		3223
2826	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2827
2828	utf8::encode $msg;
2829
2830	if (0 && $msg =~ /\[/) {
2831	# COMMAND/INFO
2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2833	} else {
2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835	$self->send_packet ("drawinfo $color $msg")
2836	}
2837	}
2838	}
2839	}	3225	}
2840		3226
2841	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2842		3228
2843	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2846		3232
2847	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2848	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2849		3235
2850	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2853	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855	}	3241	}
2856	}	3242	}
2857		3243
2858	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2859		3245
…		…
2862	=cut	3248	=cut
2863		3249
2864	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2865	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2866		3252
2867	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869	} elsif ($self->extcmd == 1) {
2870	#TODO: version 1, remove
2871	unshift @msg, msgtype => "reply", msgid => $id;
2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873	}
2874	}	3256	}
2875		3257
2876	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2877		3259
2878	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2933	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2934		3316
2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2936		3318
2937	if (ref $msg) {	3319	if (ref $msg) {
2938	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2939	"ARRAY" eq ref $msg
2940	? @$msg
2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2942		3321
2943	my @reply;	3322	my @reply;
2944		3323
2945	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2946	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2948		3327
2949	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2950	if $reply;	3329	if $reply;
2951		3330
2952	} else {	3331	} else {
2953	warn "client " . ($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";
2954	}	3333	}
2955		3334
2956	cf::override;	3335	cf::override;
2957	},	3336	},
2958	);	3337	);
…		…
2978		3357
2979	$coro	3358	$coro
2980	}	3359	}
2981		3360
2982	cf::client->attach (	3361	cf::client->attach (
2983	on_destroy => sub {	3362	on_client_destroy => sub {
2984	my ($ns) = @_;	3363	my ($ns) = @_;
2985		3364
2986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2987	},	3366	},
2988	);	3367	);
…		…
3004	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3005		3384
3006	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3007		3386
3008	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3009	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3010	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3011	sort time	3390	sort time
3012	));	3391	));
3013		3392
3014	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3017		3396
3018	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3019		3398
3020	cf::object	3399	cf::object
3021	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3022	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3023		3403
3024	cf::object::player	3404	cf::object::player
3025	player	3405	player
3026		3406
3027	cf::player	3407	cf::player
…		…
3032		3412
3033	=cut	3413	=cut
3034		3414
3035	for (	3415	for (
3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3038	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3039	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3040	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3041	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3042	) {	3422	) {
3043	no strict 'refs';
3044	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3045	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3046	for @funs;	3425	for @funs;
3047	}	3426	}
3048		3427
…		…
3063		3442
3064	my $qcode = $code;	3443	my $qcode = $code;
3065	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3066	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3067		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3068	local $_;	3450	local $_;
3069	local @safe::cf::_safe_eval_args = values %vars;
3070		3451
3071	my $eval =	3452	my $eval =
3072	"do {\n"	3453	"do {\n"
3073	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3074	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3075	. $code	3456	. $code
3076	. "\n}"	3457	. "\n}"
3077	;	3458	;
3078		3459
		3460	if ($CFG{safe_eval}) {
3079	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3080	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3081	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3082		3469
3083	if ($@) {	3470	if ($@) {
3084	warn "$@";	3471	warn "$@",
3085	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3086	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3087	}	3474	}
3088		3475
3089	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3090	}	3477	}
3091		3478
…		…
3105	=cut	3492	=cut
3106		3493
3107	sub register_script_function {	3494	sub register_script_function {
3108	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3109		3496
3110	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3111	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3112	}	3499	}
3113		3500
3114	=back	3501	=back
3115		3502
3116	=cut	3503	=cut
…		…
3125	# for this (global event?)	3512	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3513	%ext::player_env::MUSIC_FACE_CACHE = ();
3127		3514
3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129		3516
3130	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
3131		3518
3132	my $facedata;	3519	my $facedata = decode_storable load_file $path;
3133	0 < aio_load $path, $facedata
3134	or die "$path: $!";
3135
3136	$facedata = Coro::Storable::thaw $facedata;
3137		3520
3138	$facedata->{version} == 2	3521	$facedata->{version} == 2
3139	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
3140		3523
3141	# patch in the exptable	3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3142	$facedata->{resource}{"res/exp_table"} = {	3526	$facedata->{resource}{"res/exp_table"} = {
3143	type => FT_RSRC,	3527	type => FT_RSRC,
3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
3145	};	3530	};
3146	cf::cede_to_tick;	3531	cf::cede_to_tick;
3147		3532
3148	{	3533	{
3149	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
3150		3535
3151	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
3153	cf::face::set_visibility $idx, $info->{visibility};	3539	cf::face::set_visibility $idx, $info->{visibility};
3154	cf::face::set_magicmap $idx, $info->{magicmap};	3540	cf::face::set_magicmap $idx, $info->{magicmap};
3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3157		3544
3158	cf::cede_to_tick;	3545	cf::cede_to_tick;
3159	}	3546	}
3160		3547
3161	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
3162	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
3163	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
3164	or next;	3552	or next;
		3553
3165	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
3166	cf::face::set_smooth $idx, $smooth;	3555	cf::face::set_smooth $idx, $smooth;
3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168	} else {	3557	} else {
3169	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
3170	}	3559	}
3171		3560
3172	cf::cede_to_tick;	3561	cf::cede_to_tick;
3173	}	3562	}
3174	}	3563	}
…		…
3183		3572
3184	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
3185	}	3574	}
3186		3575
3187	{	3576	{
3188	# TODO: for gcfclient pleasure, we should give resources
3189	# that gcfclient doesn't grok a >10000 face index.
3190	my $res = $facedata->{resource};	3577	my $res = $facedata->{resource};
3191		3578
3192	my $soundconf = delete $res->{"res/sound.conf"};
3193
3194	while (my ($name, $info) = each %$res) {	3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196	my $data;
3197		3583
3198	if ($info->{type} & 1) {	3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3199	# prepend meta info	3585	cf::face::set_type $idx, $type;
3200		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3201	my $meta = $enc->encode ({
3202	name => $name,
3203	%{ $info->{meta} || {} },
3204	});
3205
3206	$data = pack "(w/a*)*", $meta, $info->{data};
3207	} else {	3587	} else {
3208	$data = $info->{data};	3588	# $RESOURCE{$name} = $info; # unused
3209	}	3589	}
3210		3590
3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212	cf::face::set_type $idx, $info->{type};
3213
3214	cf::cede_to_tick;	3591	cf::cede_to_tick;
3215	}	3592	}
3216
3217	if ($soundconf) {
3218	$soundconf = $enc->decode (delete $soundconf->{data});
3219
3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221	my $sound = $soundconf->{compat}[$_]
3222	or next;
3223
3224	my $face = cf::face::find "sound/$sound->[1]";
3225	cf::sound::set $sound->[0] => $face;
3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227	}
3228
3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
3230	my $face = cf::face::find "sound/$v";
3231	cf::sound::set $k => $face;
3232	}
3233	}
3234	}	3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3235		3596
3236	1	3597	1
3237	}	3598	}
3238		3599
3239	register_exticmd fx_want => sub {	3600	register_exticmd fx_want => sub {
…		…
3241		3602
3242	while (my ($k, $v) = each %$want) {	3603	while (my ($k, $v) = each %$want) {
3243	$ns->fx_want ($k, $v);	3604	$ns->fx_want ($k, $v);
3244	}	3605	}
3245	};	3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
3246		3617
3247	sub reload_regions {	3618	sub reload_regions {
3248	# HACK to clear player env face cache, we need some signal framework	3619	# HACK to clear player env face cache, we need some signal framework
3249	# for this (global event?)	3620	# for this (global event?)
3250	%ext::player_env::MUSIC_FACE_CACHE = ();	3621	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3264	}	3635	}
3265		3636
3266	sub reload_archetypes {	3637	sub reload_archetypes {
3267	load_resource_file "$DATADIR/archetypes"	3638	load_resource_file "$DATADIR/archetypes"
3268	or die "unable to load archetypes\n";	3639	or die "unable to load archetypes\n";
3269	#d# NEED to laod twice to resolve forward references
3270	# this really needs to be done in an extra post-pass
3271	# (which needs to be synchronous, so solve it differently)
3272	load_resource_file "$DATADIR/archetypes"
3273	or die "unable to load archetypes\n";
3274	}	3640	}
3275		3641
3276	sub reload_treasures {	3642	sub reload_treasures {
3277	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
3278	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
3279	}	3645	}
3280		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
3281	sub reload_resources {	3667	sub reload_resources {
3282	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
3283		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
3284	reload_regions;	3675	reload_regions;
3285	reload_facedata;
3286	#reload_archetypes;#d#
3287	reload_archetypes;
3288	reload_treasures;	3676	reload_treasures;
3289		3677
3290	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
3291	}
3292
3293	sub init {
3294	reload_resources;
3295	}	3679	}
3296		3680
3297	sub reload_config {	3681	sub reload_config {
3298	open my $fh, "<:utf8", "$CONFDIR/config"	3682	trace "reloading config file...\n";
3299	or return;
3300		3683
3301	local $/;	3684	my $config = load_file "$CONFDIR/config";
3302	*CFG = YAML::Syck::Load <$fh>;	3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
3303		3687
3304	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3305		3689
3306	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3307	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3308		3692
3309	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
3313	};	3697	};
3314	warn $@ if $@;	3698	warn $@ if $@;
3315	}	3699	}
3316	}	3700	}
3317		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
3318	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
3319	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
3320	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3322	(async {	3743	(async {
3323	$Coro::current->{desc} = "IDLE BUG HANDLER";	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
3324	EV::loop EV::LOOP_ONESHOT;	3745	EV::loop EV::LOOP_ONESHOT;
3325	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
3326	};	3747	};
3327		3748
		3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
3328	reload_config;	3761	reload_config;
3329	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
3330	load_extensions;	3772	load_extensions;
3331		3773
3332	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3775
3334	EV::loop;	3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
3335	}	3791	}
3336		3792
3337	#############################################################################	3793	#############################################################################
3338	# initialisation and cleanup	3794	# initialisation and cleanup
3339		3795
3340	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
3341	BEGIN {	3797	BEGIN {
3342	our %SIGWATCHER = ();	3798	our %SIGWATCHER = ();
3343	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3345	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
3346	};	3802	};
3347	}	3803	}
3348	}	3804	}
3349		3805
3350	sub write_runtime {	3806	sub write_runtime_sync {
3351	my $runtime = "$LOCALDIR/runtime";	3807	my $t0 = AE::time;
3352		3808
3353	# first touch the runtime file to show we are still running:	3809	# first touch the runtime file to show we are still running:
3354	# the fsync below can take a very very long time.	3810	# the fsync below can take a very very long time.
3355		3811
3356	IO::AIO::aio_utime $runtime, undef, undef;	3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3357		3813
3358	my $guard = cf::lock_acquire "write_runtime";	3814	my $guard = cf::lock_acquire "write_runtime";
3359		3815
3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3361	or return;	3817	or return;
3362		3818
3363	my $value = $cf::RUNTIME + 90 + 10;	3819	my $value = $cf::RUNTIME + 90 + 10;
3364	# 10 is the runtime save interval, for a monotonic clock	3820	# 10 is the runtime save interval, for a monotonic clock
3365	# 60 allows for the watchdog to kill the server.	3821	# 60 allows for the watchdog to kill the server.
…		…
3375	aio_utime $fh, undef, undef;	3831	aio_utime $fh, undef, undef;
3376		3832
3377	close $fh	3833	close $fh
3378	or return;	3834	or return;
3379		3835
3380	aio_rename "$runtime~", $runtime	3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3381	and return;	3837	and return;
3382		3838
3383	warn "runtime file written.\n";	3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3384		3840
3385	1	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
3386	}	3892	}
3387		3893
3388	sub emergency_save() {	3894	sub emergency_save() {
3389	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
3390		3896
3391	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
3392		3903
3393	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
3394	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
3395	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
3396	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
3397	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
3398	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
3399	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
3400	$pl->valid or next;	3913	$pl->valid or next;
3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3402	$pl->save;	3915	$pl->save;
3403	}	3916	}
3404	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
3405		3918
3406	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
3407	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
3408	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
3409	$map->valid or next;	3924	$map->valid or next;
3410	$map->save;	3925	$map->save;
3411	}	3926	}
3412	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
3413		3928
3414	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
3415	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
3416	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
3417	};	3957	};
3418		3958
3419	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
3420	}	3960	}
3421		3961
3422	sub post_cleanup {	3962	sub post_cleanup {
3423	my ($make_core) = @_;	3963	my ($make_core) = @_;
3424		3964
		3965	IO::AIO::flush;
		3966
3425	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
3426	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
3427	}	3997	}
3428		3998
3429	sub do_reload_perl() {	3999	sub do_reload_perl() {
3430	# can/must only be called in main	4000	# can/must only be called in main
3431	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
3432	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
3433	return;	4003	return;
3434	}	4004	}
3435		4005
3436	warn "reloading...";	4006	return if $RELOAD++;
3437		4007
3438	warn "entering sync_job";	4008	my $t1 = AE::time;
3439		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
3440	cf::sync_job {	4016	cf::sync_job {
3441	cf::write_runtime; # external watchdog should not bark
3442	cf::emergency_save;	4017	#cf::emergency_save;
3443	cf::write_runtime; # external watchdog should not bark
3444		4018
3445	warn "syncing database to disk";
3446	BDB::db_env_txn_checkpoint $DB_ENV;
3447
3448	# if anything goes wrong in here, we should simply crash as we already saved
3449
3450	warn "flushing outstanding aio requests";
3451	for (;;) {
3452	BDB::flush;
3453	IO::AIO::flush;
3454	Coro::cede_notself;
3455	last unless IO::AIO::nreqs || BDB::nreqs;
3456	warn "iterate...";
3457	}
3458
3459	++$RELOAD;
3460
3461	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
3462	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
3463	%EXT_CORO = ();	4021	%EXT_CORO = ();
3464		4022
3465	warn "removing commands";	4023	trace "perl_reload: removing commands";
3466	%COMMAND = ();	4024	%COMMAND = ();
3467		4025
3468	warn "removing ext/exti commands";	4026	trace "perl_reload: removing ext/exti commands";
3469	%EXTCMD = ();	4027	%EXTCMD = ();
3470	%EXTICMD = ();	4028	%EXTICMD = ();
3471		4029
3472	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
3473	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
3474	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
3475		4033
3476	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
3477	eval {	4035	eval {
3478	$cb->($pkg);	4036	$cb->($pkg);
3479	1	4037	1
3480	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
3481	}	4043	}
3482		4044
3483	warn "... nuking $pkg";
3484	Symbol::delete_package $pkg;
3485	}
3486
3487	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3488	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3490		4048
3491	warn "... unloading $k";	4049	trace "... unloading $k";
3492	delete $INC{$k};	4050	delete $INC{$k};
3493		4051
3494	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
3495	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
3496		4054
3497	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
3498	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
3499	}	4060	}
3500		4061
3501	Symbol::delete_package $k;
3502	}
3503
3504	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
3505	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3507		4065
3508	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
3509	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
3510	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3511		4069
3512	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
3513	# and global variables created in xs	4071	# and global variables created in xs
3514	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
3515		4073
3516	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
3517		4075
3518	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
3519	require cf;	4077	require cf;
3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
3521		4079
3522	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
3523	cf::reload_config;	4081	cf::reload_config;
3524		4082
3525	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
3526	cf::load_extensions;	4084	cf::load_extensions;
3527		4085
		4086	if ($REATTACH_ON_RELOAD) {
3528	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
3529	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
3530	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
3531	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
3532	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
3533	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
3534		4094
3535	warn "leaving sync_job";	4095	cf::_post_init 1;
3536		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
3537	1	4099	1
3538	} or do {	4100	} or do {
3539	warn $@;	4101	error $@;
3540	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
3541	exit 1;	4103	};
		4104
		4105	--$RELOAD;
3542	};	4106	}
3543		4107
3544	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
3545	};	4110	};
3546		4111
3547	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
3548		4113
3549	sub reload_perl() {	4114	sub reload_perl() {
3550	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
3551	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
3552		4117
		4118	$RELOAD_WATCHER ||= cf::async {
		4119	Coro::AIO::aio_wait cache_extensions;
		4120
3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4122	do_reload_perl;
3554	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
3555	do_reload_perl;	4124	};
3556	};	4125	};
3557	}	4126	}
3558		4127
3559	register_command "reload" => sub {	4128	register_command "reload" => sub {
3560	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
…		…
3566	reload_perl;	4135	reload_perl;
3567	};	4136	};
3568	}	4137	}
3569	};	4138	};
3570		4139
3571	unshift @INC, $LIBDIR;	4140	#############################################################################
3572		4141
3573	my $bug_warning = 0;	4142	my $bug_warning = 0;
3574		4143
3575	our @WAIT_FOR_TICK;
3576	our @WAIT_FOR_TICK_BEGIN;
3577
3578	sub wait_for_tick {	4144	sub wait_for_tick() {
3579	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3580	return if $Coro::current == $Coro::main;
3581		4146
3582	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
3583	push @WAIT_FOR_TICK, $signal;
3584	$signal->wait;
3585	}	4148	}
3586		4149
3587	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
3588	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3589	return if $Coro::current == $Coro::main;
3590		4152
3591	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
3592	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
3593	$signal->wait;	4155	$signal->wait;
3594	}	4156	}
3595		4157
3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4158	sub tick {
3597	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3599	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
3600	return;	4162	return;
3601	}	4163	}
3602		4164
3603	$NOW = $tick_start = EV::now;	4165	cf::one_tick; # one server iteration
3604		4166
3605	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3606
3607	$RUNTIME += $TICK;
3608	$NEXT_TICK += $TICK;
3609		4168
3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3611	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3612	Coro::async_pool {	4171	Coro::async_pool {
3613	$Coro::current->{desc} = "runtime saver";	4172	$Coro::current->{desc} = "runtime saver";
3614	write_runtime	4173	write_runtime_sync
3615	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
3616	};	4175	};
3617	}	4176	}
3618		4177
3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3620	$sig->send;	4179	$sig->send;
3621	}	4180	}
3622	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
3623	$sig->send;
3624	}
3625		4182
3626	$LOAD = ($NOW - $tick_start) / $TICK;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3628		4185
3629	_post_tick;	4186	if (0) {
3630	};	4187	if ($NEXT_TICK) {
3631	$TICK_WATCHER->priority (EV::MAXPRI);	4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
		4192	}
		4193	}
3632		4194
3633	{	4195	{
		4196	# configure BDB
		4197
3634	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
3635	BDB::max_poll_time $TICK * 0.1;	4199	BDB::max_poll_reqs $TICK * 0.1;
3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	4200	#$AnyEvent::BDB::WATCHER->priority (1);
3637
3638	BDB::set_sync_prepare {
3639	my $status;
3640	my $current = $Coro::current;
3641	(
3642	sub {
3643	$status = $!;
3644	$current->ready; undef $current;
3645	},
3646	sub {
3647	Coro::schedule while defined $current;
3648	$! = $status;
3649	},
3650	)
3651	};
3652		4201
3653	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4209
3660	cf::sync_job {	4210	cf::sync_job {
3661	eval {	4211	eval {
…		…
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4234	};
3685	}	4235	}
3686		4236
3687	{	4237	{
		4238	# configure IO::AIO
		4239
3688	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4242	undef $AnyEvent::AIO::WATCHER;
3693	}	4243	}
3694		4244
3695	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
3696		4247
3697	sub _log_backtrace {	4248	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
3699		4250
3700	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
3701		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
3705	async {	4261	async {
3706	$Coro::current->{desc} = "abt $msg";	4262	$Coro::current->{desc} = "abt $msg";
3707		4263
3708	my @bt = fork_call {	4264	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4276	}
3721		4277
3722	@funcs	4278	@funcs
3723	};	4279	};
3724		4280
3725	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4284	--$_log_backtrace;
3728	};	4285	};
3729	} else {	4286	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4289	}
3733	}	4290	}
3734		4291
3735	# load additional modules	4292	# load additional modules
3736	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3737		4295
3738	END { cf::emergency_save }	4296	END { cf::emergency_save }
3739		4297
3740	1	4298	1
3741		4299

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines