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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.404 by root, Mon Dec 17 07:27:58 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML::Syck ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
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;
92	our $NOW;	139	our $NOW;
93		140
94	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		147
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
104		160
105	binmode STDOUT;	161	binmode STDOUT;
106	binmode STDERR;	162	binmode STDERR;
107		163
108	# read virtual server time, if available	164	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
113	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
114		172
115	mkdir $_	173	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		175
118	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
119		177
120	sub cf::map::normalise;	178	sub cf::map::normalise;
121		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
122	#############################################################################	184	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
125		198
126	=over 4	199	=over 4
127		200
128	=item $cf::UPTIME	201	=item $cf::UPTIME
129		202
130	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.
131		219
132	=item $cf::RUNTIME	220	=item $cf::RUNTIME
133		221
134	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
135	every server tick.	223	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
144	database environment.	232	database environment.
145		233
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	234	=item $cf::LOADAVG
155		235
156	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
167	from wherever your confdir points to.	247	from wherever your confdir points to.
168		248
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		250
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
175	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
176		273
177	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
178	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
179	that call.	276	that call.
180		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
181	=back	284	=back
182		285
183	=cut	286	=cut
184		287
185	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	295	my $msg = join "", @_;
188		296
189	$msg .= "\n"	297	$msg .= "\n"
190	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
191		299
192	$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;
193		301
194	LOG llevError, $msg;	302	LOG llevWarn, $msg;
195	};	303	};
196	}	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	};
197		318
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	329	for my $pkg (qw(
209	cf::global cf::attachable	330	cf::global cf::attachable
210	cf::object cf::object::player	331	cf::object cf::object::player
211	cf::client cf::player	332	cf::client cf::player
212	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
213	cf::map cf::party cf::region	335	cf::party cf::region
214	)) {	336	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	338	}
218		339
219	$EV::DIED = sub {	340	$EV::DIED = sub {
220	warn "error in event callback: @_";	341	warn "error in event callback: $@";
221	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
222		348
223	#############################################################################	349	#############################################################################
224		350
225	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
226		352
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	374	$d
249	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
250	}	376	}
251		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
252	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
253		431
254	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
255		433
256	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		441
264	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
266		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
267	=item cf::lock_wait $string	507	=item cf::lock_wait $string
268		508
269	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
270		510
271	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
272		512
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
276	returned.	516	returned.
277		517
278	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
279	deadlocked coro.	519	deadlocked coro.
…		…
285		525
286	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.
287		527
288	=cut	528	=cut
289		529
290	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		531
293	sub lock_wait($) {	532	sub lock_wait($) {
294	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	534	}
307		535
308	sub lock_acquire($) {	536	sub lock_acquire($) {
309	my ($key) = @_;	537	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	538	}
323		539
324	sub lock_active($) {	540	sub lock_active($) {
325	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	542	}
329		543
330	sub freeze_mainloop {	544	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
332		546
333	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;
335	};
336	$TICK_WATCHER->stop;
337	$guard
338	}	548	}
339		549
340	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
341		551
342	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
343	get spread over timer.	553	get spread over time.
344		554
345	=cut	555	=cut
346		556
347	sub periodic($$) {	557	sub periodic($$) {
348	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
352	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
353	}	563	}
354		564
355	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
356		566
357	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
358	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
359	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$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.
360		574
361	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
362	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
363		577
364	Useful for short background jobs.	578	Useful for short background jobs.
365		579
366	=cut	580	=cut
367		581
368	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
369	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
370		585
371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
373	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
374		589
375	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
376		592
377	while () {	593	while () {
378	next_job:	594	next_job:
		595
379	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
380	if ($avail > 0.01) {	597
381	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
382	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
383	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
384	$job->[2]->send;	602	$job->[2]->send;
385	Coro::cede;	603	Coro::cede;
386	goto next_job;	604	goto next_job;
387	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
388	}	607	}
389	}	608	}
390		609
391	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
392	# 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
393	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
394	$signal->wait;
395	} else {	613	} else {
		614	$busy = 0;
396	Coro::schedule;	615	Coro::schedule;
397	}	616	}
398	}	617	}
399	};	618	};
400		619
401	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
402	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
403		624
404	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
405	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
406		628
407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
435	=cut	657	=cut
436		658
437	sub sync_job(&) {	659	sub sync_job(&) {
438	my ($job) = @_;	660	my ($job) = @_;
439		661
440	if ($Coro::current == $Coro::main) {	662	if (in_main) {
441	my $time = EV::time;	663	my $time = AE::time;
442		664
443	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
444	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
445		667
446	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
447		669
448	# TODO: use suspend/resume instead
449	# (but this is cancel-safe)
450	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
451		671
452	my $busy = 1;	672	my $busy = 1;
453	my @res;	673	my @res;
454		674
455	(async {	675	(async {
456	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
457	@res = eval { $job->() };	677	@res = eval { $job->() };
458	warn $@ if $@;	678	error $@ if $@;
459	undef $busy;	679	undef $busy;
460	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
461		681
462	while ($busy) {	682	while ($busy) {
463	if (Coro::nready) {	683	if (Coro::nready) {
…		…
465	} else {	685	} else {
466	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
467	}	687	}
468	}	688	}
469		689
470	$time = EV::time - $time;	690	my $time = AE::time - $time;
471		691
472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
476		693
477	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
478	} else {	695	} else {
479	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
480		697
…		…
500	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
501		718
502	$coro	719	$coro
503	}	720	}
504		721
505	=item fork_call { }, $args	722	=item fork_call { }, @args
506		723
507	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
508	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
509	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
510	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
511		728
512	=cut	729	=cut
513		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
514	sub fork_call(&@) {	735	sub fork_call(&@) {
515	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
516		737
517	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
518	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
519	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
520		741
521	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
522	reset_signals;	743	cf::post_fork;
523	&$cb	744	&$cb
524	}, @args;	745	} @args;
525		746
526	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
527	}	786	}
528		787
529	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
530		789
531	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
541	within each server.	800	within each server.
542		801
543	=cut	802	=cut
544		803
545	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
546	my ($name) = @_;	808	my ($name) = @_;
547	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
548		810
549	eval {	811	eval {
550	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
560	}	822	}
561		823
562	our $DB;	824	our $DB;
563		825
564	sub db_init {	826	sub db_init {
565	cf::sync_job {
566	$DB ||= db_table "db";	827	$DB ||= db_table "db";
567	};
568	}	828	}
569		829
570	sub db_get($$) {	830	sub db_get($$) {
571	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
572		832
573	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
574	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
575		837
576	$! ? ()	838	$! ? ()
577	: $data	839	: $data
578	}
579	}	840	}
580		841
581	sub db_put($$$) {	842	sub db_put($$$) {
582	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
611		872
612	my @data;	873	my @data;
613	my $md5;	874	my $md5;
614		875
615	for (0 .. $#$src) {	876	for (0 .. $#$src) {
616	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
617	or Carp::croak "$src->[$_]: $!";
618	}	878	}
619		879
620	# if processing is expensive, check	880	# if processing is expensive, check
621	# checksum first	881	# checksum first
622	if (1) {	882	if (1) {
…		…
639		899
640	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
641	my $data = $process->(\@data);	901	my $data = $process->(\@data);
642	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
643		903
644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
645		905
646	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
647	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
648	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
649		909
…		…
659		919
660	=cut	920	=cut
661		921
662	sub datalog($@) {	922	sub datalog($@) {
663	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
665	}	925	}
666		926
667	=back	927	=back
668		928
669	=cut	929	=cut
670		930
671	#############################################################################	931	#############################################################################
672		932
673	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
674		934
675	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
676	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")
677	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
678		938
679	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>
680	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
…		…
730	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
731		991
732	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
733	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
734		994
735	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
736	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.
737		997
738	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
739		999
740	=over 4	1000	=over 4
…		…
864		1124
865	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
866	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
867		1127
868	} elsif (ref $type) {	1128	} elsif (ref $type) {
869	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
870		1130
871	} else {	1131	} else {
872	shift @arg;	1132	shift @arg;
873	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
874	}	1134	}
875	}	1135	}
876	}	1136	}
877		1137
878	sub _object_attach {	1138	sub _object_attach {
…		…
888	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
889	}	1149	}
890		1150
891	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
892	} else {	1152	} else {
893	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
894	}	1154	}
895		1155
896	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
897	}	1157	}
898		1158
…		…
957		1217
958	for (@$callbacks) {	1218	for (@$callbacks) {
959	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
960		1220
961	if ($@) {	1221	if ($@) {
962	warn "$@";
963	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
964	override;	1223	override;
965	}	1224	}
966		1225
967	return 1 if $override;	1226	return 1 if $override;
968	}	1227	}
969		1228
970	0	1229	0
971	}	1230	}
972		1231
973	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
974		1233
975	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
976		1235
977	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
978		1237
…		…
1031		1290
1032	sub reattach {	1291	sub reattach {
1033	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1034	my ($obj) = @_;	1293	my ($obj) = @_;
1035		1294
		1295	# no longer needed after getting rid of delete_package?
1036	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
1037		1297
1038	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1039		1299
1040	@$registry = ();	1300	@$registry = ();
1041		1301
…		…
1046	for (@$attach) {	1306	for (@$attach) {
1047	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1048	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1049	}	1309	}
1050	} else {	1310	} else {
1051	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1052	}	1312	}
1053	}	1313	}
1054	}	1314	}
1055		1315
1056	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1083	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1084		1344
1085	sync_job {	1345	sync_job {
1086	if (length $$rdata) {	1346	if (length $$rdata) {
1087	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1088	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1089	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1090		1351
1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1092	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1094	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	}
1095	close $fh;	1359	aio_close $fh;
1096		1360
1097	if (@$objs) {	1361	if (@$objs) {
1098	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) {
1099	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1101	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1102	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	}
1103	close $fh;	1370	aio_close $fh;
1104	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1105	}	1372	}
1106	} else {	1373	} else {
1107	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1108	}	1375	}
1109		1376
1110	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1111	} else {	1381	} else {
1112	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1113	}	1383	}
1114	} else {	1384	} else {
1115	aio_unlink $filename;	1385	aio_unlink $filename;
1116	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1117	}	1387	}
…		…
1141	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1142	$av = $st->{objs};	1412	$av = $st->{objs};
1143	}	1413	}
1144		1414
1145	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1146	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1147	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1148		1419
1149	($data, $av)	1420	($data, $av)
1150	}	1421	}
1151		1422
1152	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1208	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1209		1480
1210	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1211	}	1482	}
1212		1483
		1484	use File::Glob ();
		1485
1213	cf::player->attach (	1486	cf::player->attach (
1214	on_command => sub {	1487	on_unknown_command => sub {
1215	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1216		1489
1217	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1218	or return;	1491	or return;
1219		1492
…		…
1227	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1228		1501
1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1230		1503
1231	if (ref $msg) {	1504	if (ref $msg) {
1232	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1233	"ARRAY" eq ref $msg
1234	? @$msg
1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1236		1506
1237	my @reply;	1507	my @reply;
1238		1508
1239	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1240	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1242		1512
1243	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1244	if $reply;	1514	if $reply;
1245		1515
1246	} else {	1516	} else {
1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1248	}	1518	}
1249		1519
1250	cf::override;	1520	cf::override;
1251	},	1521	},
1252	);	1522	);
1253		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
1254	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1255	cf::sync_job {	1553	cf::sync_job {
1256	my %todo;	1554	my %todo;
1257		1555
1258	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1259	next unless -r $path;	1557	next unless -r $path;
…		…
1277		1575
1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280		1578
1281	$ext{source} =	1579	$ext{source} =
1282	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1283	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1284	. $source	1582	. $source
1285	. "\n};\n1";	1583	. "\n};\n1";
1286		1584
1287	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1288	}	1586	}
1289		1587
		1588	my $pass = 0;
1290	my %done;	1589	my %done;
1291	while (%todo) {	1590	while (%todo) {
1292	my $progress;	1591	my $progress;
1293		1592
		1593	++$pass;
		1594
		1595	ext:
1294	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1295	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1296	goto skip	1598	next ext
1297	unless exists $done{$_};	1599	unless exists $done{$_};
1298	}	1600	}
1299		1601
1300	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1301		1603
1302	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 $@) {
1303	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1304	: "$v->{base}: extension inactive.\n";
1305		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1306	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1307	warn $msg;	1620
1308	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1309	exit 1;	1622	delete $todo{$k};
1310	}	1623	} else {
1311		1624	$done{$k} = delete $todo{$k};
1312	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1313	}	1630	}
1314
1315	$done{$k} = delete $todo{$k};
1316	push @EXTS, $v->{pkg};
1317	$progress = 1;
1318	}	1631	}
1319		1632
1320	skip:	1633	unless ($progress) {
1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1322	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1323	}	1643	}
1324	};	1644	};
1325	}	1645	}
1326		1646
1327	#############################################################################	1647	#############################################################################
1328		1648
1329	=back	1649	=back
1330		1650
1331	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1332		1652
1333	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1334		1654
1335	=cut	1655	=cut
1336		1656
1337	package cf::player;	1657	package cf::player;
1338		1658
…		…
1381		1701
1382	sub exists($) {	1702	sub exists($) {
1383	my ($login) = @_;	1703	my ($login) = @_;
1384		1704
1385	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1386	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1387	}	1707	}
1388		1708
1389	sub find($) {	1709	sub find($) {
1390	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1391	my $login = $_[0];	1711	my $login = $_[0];
…		…
1403	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1404	or return;	1724	or return;
1405		1725
1406	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1407	or return;	1727	or return;
		1728
1408	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1409	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1410	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1411	}	1732	}
1412	}	1733	}
1413	}	1734	}
1414		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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
1415	sub save($) {	1749	sub save($) {
1416	my ($pl) = @_;	1750	my ($pl) = @_;
1417		1751
1418	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1419		1753
…		…
1422		1756
1423	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1424		1758
1425	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1426	$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];
1427		1766
1428	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1429	cf::cede_to_tick;	1768	cf::cede_to_tick;
1430	}	1769	}
1431		1770
…		…
1463	my ($pl) = @_;	1802	my ($pl) = @_;
1464		1803
1465	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1466		1805
1467	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1468	$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
1469		1808
1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1471	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1472	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1473	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1474		1817
1475	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1476	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1477	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1515		1858
1516	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1517	my $path = path $login;	1860	my $path = path $login;
1518		1861
1519	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1520	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1522	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1523	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1524	}	1868	}
1525		1869
…		…
1529		1873
1530	\@logins	1874	\@logins
1531	}	1875	}
1532		1876
1533	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1534		1880
1535	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1536	player. May block.	1882	player. May block.
1537		1883
1538	=cut	1884	=cut
…		…
1556	}	1902	}
1557		1903
1558	\@paths	1904	\@paths
1559	}	1905	}
1560		1906
1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1562		1908
1563	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1564
1565	=cut
1566
1567	use re 'eval';
1568
1569	my $group;
1570	my $interior; $interior = qr{
1571	# match a pod interior sequence sans C<< >>
1572	(?:
1573	\ (.*?)\ (?{ $group = $^N })
1574	| < (??{$interior}) >
1575	)
1576	}x;
1577
1578	sub expand_cfpod {
1579	my ($self, $pod) = @_;
1580
1581	my $xml;
1582
1583	while () {
1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585	$group = $1;
1586
1587	$group =~ s/&/&amp;/g;
1588	$group =~ s/</&lt;/g;
1589
1590	$xml .= $group;
1591	} elsif ($pod =~ m%\G
1592	([BCGHITU])
1593	<
1594	(?:
1595	([^<>]*) (?{ $group = $^N })
1596	| < $interior >
1597	)
1598	>
1599	%gcsx
1600	) {
1601	my ($code, $data) = ($1, $group);
1602
1603	if ($code eq "B") {
1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605	} elsif ($code eq "I") {
1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607	} elsif ($code eq "U") {
1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609	} elsif ($code eq "C") {
1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611	} elsif ($code eq "T") {
1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613	} elsif ($code eq "G") {
1614	my ($male, $female) = split /\|/, $data;
1615	$data = $self->gender ? $female : $male;
1616	$xml .= expand_cfpod ($self, $data);
1617	} elsif ($code eq "H") {
1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620	"")
1621	[$self->{hintmode}];
1622	} else {
1623	$xml .= "error processing '$code($data)' directive";
1624	}
1625	} else {
1626	if ($pod =~ /\G(.+)/) {
1627	warn "parse error while expanding $pod (at $1)";
1628	}
1629	last;
1630	}
1631	}
1632
1633	for ($xml) {
1634	# create single paragraphs (very hackish)
1635	s/(?<=\S)\n(?=\w)/ /g;
1636
1637	# compress some whitespace
1638	s/\s+\n/\n/g; # ws line-ends
1639	s/\n\n+/\n/g; # double lines
1640	s/^\n+//; # beginning lines
1641	s/\n+$//; # ending lines
1642	}
1643
1644	$xml
1645	}
1646
1647	no re 'eval';
1648
1649	sub hintmode {
1650	$_[0]{hintmode} = $_[1] if @_ > 1;
1651	$_[0]{hintmode}
1652	}
1653		1910
1654	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1655		1912
1656	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1657		1914
…		…
1689		1946
1690	=cut	1947	=cut
1691		1948
1692	sub find_by_path($) {	1949	sub find_by_path($) {
1693	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1694		1953
1695	my ($match, $specificity);	1954	my ($match, $specificity);
1696		1955
1697	for my $region (list) {	1956	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1724	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1725	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1726		1985
1727	sub generate_random_map {	1986	sub generate_random_map {
1728	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1729	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1730	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1734	$rmp->{exit_on_final_map},
1735	$rmp->{xsize}, $rmp->{ysize},
1736	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1737	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1738	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1739	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1742	)
1743	}	1992	}
1744		1993
1745	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1746		1995
1747	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
…		…
1752		2001
1753	sub register {	2002	sub register {
1754	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1755	my $pkg = caller;	2004	my $pkg = caller;
1756		2005
1757	no strict;
1758	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1759		2007
1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1761	}	2009	}
1762		2010
1763	# also paths starting with '/'	2011	# also paths starting with '/'
1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1765		2013
1766	sub thawer_merge {	2014	sub thawer_merge {
1767	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1768		2016
1769	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1774	}	2022	}
1775		2023
1776	sub normalise {	2024	sub normalise {
1777	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1778		2026
1779	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1780		2028
1781	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1782		2030
1783	# map plan:	2031	# map plan:
1784	#	2032	#
…		…
1799	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1800	$path = "$base/$path";	2048	$path = "$base/$path";
1801	}	2049	}
1802		2050
1803	for ($path) {	2051	for ($path) {
1804	redo if s{//}{/};
1805	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1806	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1807	}	2054	}
1808		2055
1809	$path	2056	$path
…		…
1823	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1824	return $self;	2071	return $self;
1825	}	2072	}
1826	}	2073	}
1827		2074
1828	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1829	()	2076	()
1830	}	2077	}
1831		2078
		2079	# may re-bless or do other evil things
1832	sub init {	2080	sub init {
1833	my ($self) = @_;	2081	my ($self) = @_;
1834		2082
1835	$self	2083	$self
1836	}	2084	}
…		…
1855		2103
1856	# the temporary/swap location	2104	# the temporary/swap location
1857	sub save_path {	2105	sub save_path {
1858	my ($self) = @_;	2106	my ($self) = @_;
1859		2107
1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1861	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1862	}	2110	}
1863		2111
1864	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1865	sub uniq_path {	2113	sub uniq_path {
1866	my ($self) = @_;	2114	my ($self) = @_;
1867		2115
1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1869	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1870	}
1871
1872	# and all this just because we cannot iterate over
1873	# all maps in C++...
1874	sub change_all_map_light {
1875	my ($change) = @_;
1876
1877	$_->change_map_light ($change)
1878	for grep $_->outdoor, values %cf::MAP;
1879	}	2118	}
1880		2119
1881	sub decay_objects {	2120	sub decay_objects {
1882	my ($self) = @_;	2121	my ($self) = @_;
1883		2122
…		…
1910	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1911		2150
1912	1	2151	1
1913	}	2152	}
1914		2153
		2154	# used to laod the header of an original map
1915	sub load_header_orig {	2155	sub load_header_orig {
1916	my ($self) = @_;	2156	my ($self) = @_;
1917		2157
1918	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1919	}	2159	}
1920		2160
		2161	# used to laod the header of an instantiated map
1921	sub load_header_temp {	2162	sub load_header_temp {
1922	my ($self) = @_;	2163	my ($self) = @_;
1923		2164
1924	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1925	}	2166	}
1926		2167
		2168	# called after loading the header from an instantiated map
1927	sub prepare_temp {	2169	sub prepare_temp {
1928	my ($self) = @_;	2170	my ($self) = @_;
1929		2171
1930	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1931	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1932	# safety	2174	# safety
1933	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1934	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1935	}	2177	}
1936		2178
		2179	# called after loading the header from an original map
1937	sub prepare_orig {	2180	sub prepare_orig {
1938	my ($self) = @_;	2181	my ($self) = @_;
1939		2182
1940	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1941	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1965		2208
1966	sub find;	2209	sub find;
1967	sub find {	2210	sub find {
1968	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1969		2212
		2213	cf::cede_to_tick;
		2214
1970	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1971		2216
1972	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1973	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1974		2219
1975	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1976	my $guard1 = cf::lock_acquire "map_find:$path";
1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1978
1979	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1980	or return;	2222	or return;
1981		2223
1982	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1983		2225
…		…
1985	or return;	2227	or return;
1986		2228
1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1988	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1989	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1990	undef $guard1;	2233	undef $guard1;
1991	undef $guard2;
1992	$map->reset;	2234	$map->reset;
1993	return find $path;	2235	return find $path;
1994	}	2236	}
1995		2237
1996	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1997	}	2239	}
1998	}	2240	}
1999		2241
2000	sub pre_load { }	2242	sub pre_load { }
2001	sub post_load { }	2243	#sub post_load { } # XS
2002		2244
2003	sub load {	2245	sub load {
2004	my ($self) = @_;	2246	my ($self) = @_;
2005		2247
2006	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2009		2251
2010	{	2252	{
2011	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2012		2254
2013	return unless $self->valid;	2255	return unless $self->valid;
2014	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2015
2016	$self->in_memory (cf::MAP_LOADING);
2017		2257
2018	$self->alloc;	2258	$self->alloc;
2019		2259
2020	$self->pre_load;	2260	$self->pre_load;
2021	cf::cede_to_tick;	2261	cf::cede_to_tick;
2022		2262
		2263	if (exists $self->{load_path}) {
2023	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2024	$f->skip_block;	2265	$f->skip_block;
2025	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2026	or return;	2267	or return;
2027		2268
2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2029	if delete $self->{load_original};	2270	if delete $self->{load_original};
2030		2271
2031	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2032	utf8::encode $uniq;	2273	utf8::encode $uniq;
2033	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2034	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2035	$self->clear_unique_items;	2276	$self->clear_unique_items;
2036	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2037	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2038	}	2280	}
2039	}	2281	}
2040	}
2041		2282
2042	$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);
2043		2290
2044	cf::cede_to_tick;	2291	cf::cede_to_tick;
2045	# now do the right thing for maps	2292	# now do the right thing for maps
2046	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2047	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2051	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2052	$self->decay_objects;	2299	$self->decay_objects;
2053	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2054	$self->update_buttons;	2301	$self->update_buttons;
2055	cf::cede_to_tick;	2302	cf::cede_to_tick;
2056	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2057	cf::cede_to_tick;
2058	$self->activate;
2059	}	2304	}
2060		2305
2061	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2062	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2063
2064	$self->in_memory (cf::MAP_IN_MEMORY);
2065	}	2308	}
2066		2309
2067	$self->post_load;	2310	$self->post_load;
2068	}
2069		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2070	sub customise_for {	2318	sub customise_for {
2071	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2072		2320
2073	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2074	if $self->per_player;	2322	if $self->per_player;
…		…
2077	# if $self->per_party;	2325	# if $self->per_party;
2078		2326
2079	$self	2327	$self
2080	}	2328	}
2081		2329
2082	# find and load all maps in the 3x3 area around a map
2083	sub load_neighbours {
2084	my ($map) = @_;
2085
2086	my @neigh; # diagonal neighbours
2087
2088	for (0 .. 3) {
2089	my $neigh = $map->tile_path ($_)
2090	or next;
2091	$neigh = find $neigh, $map
2092	or next;
2093	$neigh->load;
2094
2095	push @neigh,
2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2098	}
2099
2100	for (grep defined $_->[0], @neigh) {
2101	my ($path, $origin) = @$_;
2102	my $neigh = find $path, $origin
2103	or next;
2104	$neigh->load;
2105	}
2106	}
2107
2108	sub find_sync {	2330	sub find_sync {
2109	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2110		2332
2111	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, $origin
2112	}	2338	}
2113		2339
2114	sub do_load_sync {	2340	sub do_load_sync {
2115	my ($map) = @_;	2341	my ($map) = @_;
2116		2342
		2343	# it's a bug to call this from the main context
2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2118	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2119		2346
2120	cf::sync_job { $map->load };	2347	$map->load;
2121	}	2348	}
2122		2349
2123	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2124	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2125		2352
2126	sub find_async {	2353	sub find_async {
2127	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2128		2355
2129	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2130		2357
2131	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2133	}	2360	}
2134		2361
2135	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2136		2363
2137	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2151	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2152		2379
2153	()	2380	()
2154	}	2381	}
2155		2382
		2383	# common code, used by both ->save and ->swapout
2156	sub save {	2384	sub _save {
2157	my ($self) = @_;	2385	my ($self) = @_;
2158
2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
2160		2386
2161	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2162		2388
2163	return unless $self->dirty;	2389	return unless $self->dirty;
2164		2390
…		…
2173		2399
2174	cf::async {	2400	cf::async {
2175	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2176	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2177	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2178		2406
2179	if ($uniq) {	2407	if ($uniq) {
2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2181	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2182	} else {	2410	} else {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2184	}	2412	}
2185	}	2413	}
2186		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2187	sub swap_out {	2423	sub swap_out {
2188	my ($self) = @_;	2424	my ($self) = @_;
2189		2425
2190	# save first because save cedes
2191	$self->save;
2192
2193	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2194		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2195	return if $self->players;	2430	return if $self->players;
2196	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
2197	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2198		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
2199	$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};
2200		2482
2201	$self->deactivate;	2483	$self->deactivate;
2202	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2203	$self->clear;	2485	$self->clear;
2204	}
2205
2206	sub reset_at {
2207	my ($self) = @_;
2208
2209	# TODO: safety, remove and allow resettable per-player maps
2210	return 1e99 if $self->{deny_reset};
2211
2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2214
2215	$time + $to
2216	}
2217
2218	sub should_reset {
2219	my ($self) = @_;
2220
2221	$self->reset_at <= $cf::RUNTIME
2222	}
2223
2224	sub reset {
2225	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228
2229	return if $self->players;
2230
2231	warn "resetting map ", $self->path;
2232
2233	$self->in_memory (cf::MAP_SWAPPED);
2234
2235	# need to save uniques path
2236	unless ($self->{deny_save}) {
2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
2238
2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2240	if $uniq;
2241	}
2242
2243	delete $cf::MAP{$self->path};
2244
2245	$self->deactivate;
2246	$_->clear_links_to ($self) for values %cf::MAP;
2247	$self->clear;
2248		2486
2249	$self->unlink_save;	2487	$self->unlink_save;
2250	$self->destroy;	2488	$self->destroy;
2251	}	2489	}
2252		2490
…		…
2260		2498
2261	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2262		2500
2263	$self->unlink_save;	2501	$self->unlink_save;
2264		2502
2265	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2266	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2267	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2268	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2270		2508
…		…
2319		2557
2320	sub unique_maps() {	2558	sub unique_maps() {
2321	[	2559	[
2322	map {	2560	map {
2323	utf8::decode $_;	2561	utf8::decode $_;
2324	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2325	? normalise $_	2565	: normalise $_
2326	: ()
2327	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2328	]	2567	]
2329	}	2568	}
2330		2569
2331	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	}
2332		2601
2333	=back	2602	=back
2334		2603
2335	=head3 cf::object	2604	=head3 cf::object
2336		2605
…		…
2340		2609
2341	=over 4	2610	=over 4
2342		2611
2343	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2344		2613
2345	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.
2346		2616
2347	=cut	2617	=cut
2348		2618
2349	sub inv_recursive_;	2619	sub inv_recursive_;
2350	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2355	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2356	}	2626	}
2357		2627
2358	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2359		2629
2360	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.
2361		2631
2362	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2363		2633
2364	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,
2365	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2397	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
2398	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2399		2669
2400	=cut	2670	=cut
2401		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
2402	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2403	# with dialog boxes.	2687	# with dialog boxes.
2404	#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
2405	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2406	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2417	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419		2703
2420	} else {	2704	} else {
2421	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2422	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2423	}	2707	}
2424	}	2708	}
2425	}	2709	}
2426		2710
2427	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2452		2736
2453	=item $player_object->enter_link	2737	=item $player_object->enter_link
2454		2738
2455	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}>).
2456		2740
2457	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.
2458	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.
2459		2745
2460	Will never block.	2746	Will never block.
2461		2747
2462	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2463		2749
…		…
2483	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2484	my ($self) = @_;	2770	my ($self) = @_;
2485		2771
2486	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2487		2773
		2774	++$self->{_link_recursion};
		2775
2488	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2489		2777
2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2491	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2492		2780
2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2494	}	2782	}
2495		2783
2496	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2497	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2498		2786
…		…
2515	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2516	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2517		2805
2518	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2519	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2520	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2521		2809
2522	$map->load;	2810	$map->load;
2523	$map->load_neighbours;
2524		2811
2525	return unless $self->contr->active;	2812	return unless $self->contr->active;
2526	$self->activate_recursive;
2527		2813
2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2529	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2530	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2531		2821
		2822	}
		2823
2532	=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)]])
2533		2825
2534	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
2535	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2536	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
2537	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
2538	be called at the end of this process.	2830	be called at the end of this process.
2539		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
2540	=cut	2835	=cut
2541		2836
2542	our $GOTOGEN;	2837	our $GOTOGEN;
2543		2838
2544	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2545	my ($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	}
2546		2847
2547	# 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
2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2549		2850
2550	$self->enter_link;	2851	$self->enter_link;
…		…
2570	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2571	}	2872	}
2572	}	2873	}
2573		2874
2574	my $map = eval {	2875	my $map = eval {
2575	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2576		2877
2577	if ($map) {	2878	if ($map) {
2578	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2579	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2580	} else {	2881	} else {
2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582	}	2883	}
2583		2884
2584	$map	2885	$map
…		…
2592	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2593	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2594	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2595	}	2896	}
2596		2897
2597	$done->() if $done;	2898	$done->($self) if $done;
2598	})->prio (1);	2899	})->prio (1);
2599	}	2900	}
2600		2901
2601	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2602		2903
…		…
2622	}	2923	}
2623		2924
2624	sub prepare_random_map {	2925	sub prepare_random_map {
2625	my ($exit) = @_;	2926	my ($exit) = @_;
2626		2927
2627	my $guard = cf::lock_acquire "exit_prepare:$exit";
2628
2629	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2630	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2631	# that depends on the exit object	2930	# that depends on the exit object
2632		2931
2633	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2635	if ($exit->map) {	2934	if ($exit->map) {
2636	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2637	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2638	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2639	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2640	}	2941	}
2641		2942
2642	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2643		2944
2644	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2645	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2646	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2647		2948
2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2649	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2650	undef $fh;	2951	undef $fh;
2651	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2652		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2653	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2654	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2655	}	2960	}
2656	}	2961	}
2657		2962
2658	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2659	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2660		2965
2661	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2662		2967
2663	if ($exit->slaying eq "/!") {
2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
2665	# the problem is that $exit might not survive long enough
2666	# so it needs to be done right now, right here
2667	cf::sync_job { prepare_random_map $exit };
2668	}
2669
2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2671	my $hp = $exit->stats->hp;
2672	my $sp = $exit->stats->sp;
2673
2674	$self->enter_link;	2968	$self->enter_link;
2675		2969
2676	# if exit is damned, update players death & WoR home-position
2677	$self->contr->savebed ($slaying, $hp, $sp)
2678	if $exit->flag (FLAG_DAMNED);
2679
2680	(async {	2970	(async {
2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2682		2972
2683	$self->deactivate_recursive; # just to be sure
2684	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
2685	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2686		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
2687	1;	3009	1
2688	}) {	3010	}) {
2689	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2690	. "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. "
2691	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2692	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2693		3015
2694	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2695	$self->leave_link;	3017	$self->leave_link;
2696	}	3018	}
2697	})->prio (1);	3019	})->prio (1);
2698	}	3020	}
2699		3021
…		…
2711	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2712	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2713		3035
2714	utf8::encode $text;	3036	utf8::encode $text;
2715	$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);
2716	}	3063	}
2717		3064
2718	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2719		3066
2720	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
…		…
2724		3071
2725	=cut	3072	=cut
2726		3073
2727	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2728	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	},
2729	"c/identify" => {	3082	"c/identify" => {
2730	id => "infobox",	3083	id => "infobox",
2731	title => "Identify",	3084	title => "Identify",
2732	reply => undef,	3085	reply => undef,
2733	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2735	"c/examine" => {	3088	"c/examine" => {
2736	id => "infobox",	3089	id => "infobox",
2737	title => "Examine",	3090	title => "Examine",
2738	reply => undef,	3091	reply => undef,
2739	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",
2740	},	3099	},
2741	"c/book" => {	3100	"c/book" => {
2742	id => "infobox",	3101	id => "infobox",
2743	title => "Book",	3102	title => "Book",
2744	reply => undef,	3103	reply => undef,
…		…
2760	id => "infobox",	3119	id => "infobox",
2761	title => "Body Parts",	3120	title => "Body Parts",
2762	reply => undef,	3121	reply => undef,
2763	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2764	},	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	},
2765	"c/uptime" => {	3160	"c/uptime" => {
2766	id => "infobox",	3161	id => "infobox",
2767	title => "Uptime",	3162	title => "Uptime",
2768	reply => undef,	3163	reply => undef,
2769	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2772	id => "infobox",	3167	id => "infobox",
2773	title => "Map Info",	3168	title => "Map Info",
2774	reply => undef,	3169	reply => undef,
2775	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2776	},	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" => $CHAT_CHANNEL,
2777	);	3186	);
2778		3187
2779	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2780	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2781		3190
2782	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2783		3193
2784	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2785		3195
2786	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2787	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2788	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2789		3199
2790	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2791	if $self->can_msg;
2792
2793	$channel = $channel->{id};	3201	$channel = $channel->{id};
2794		3202
2795	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2796	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2797	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2798	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2799	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2800	if $self->can_msg;
2801	}	3208	}
2802		3209
2803	$channel = $channel->{id};	3210	$channel = $channel->{id};
2804	}	3211	}
2805		3212
2806	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2807		3214
2808	if ($self->can_msg) {
2809	# default colour, mask it out	3215	# default colour, mask it out
2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2812		3218
2813	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2815	} else {	3222	);
2816	if ($color >= 0) {
2817	# replace some tags by gcfclient-compatible ones
2818	for ($msg) {
2819	1 while
2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825	}
2826		3223
2827	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2828
2829	utf8::encode $msg;
2830
2831	if (0 && $msg =~ /\[/) {
2832	# COMMAND/INFO
2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
2834	} else {
2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836	$self->send_packet ("drawinfo $color $msg")
2837	}
2838	}
2839	}
2840	}	3225	}
2841		3226
2842	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2843		3228
2844	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2847		3232
2848	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2849	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2850		3235
2851	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2854	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856	}	3241	}
2857	}	3242	}
2858		3243
2859	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2860		3245
…		…
2863	=cut	3248	=cut
2864		3249
2865	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2866	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2867		3252
2868	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870	} elsif ($self->extcmd == 1) {
2871	#TODO: version 1, remove
2872	unshift @msg, msgtype => "reply", msgid => $id;
2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874	}
2875	}	3256	}
2876		3257
2877	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2878		3259
2879	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2934	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2935		3316
2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2937		3318
2938	if (ref $msg) {	3319	if (ref $msg) {
2939	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2940	"ARRAY" eq ref $msg
2941	? @$msg
2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2943		3321
2944	my @reply;	3322	my @reply;
2945		3323
2946	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2947	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2949		3327
2950	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2951	if $reply;	3329	if $reply;
2952		3330
2953	} else {	3331	} else {
2954	warn "client " . ($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";
2955	}	3333	}
2956		3334
2957	cf::override;	3335	cf::override;
2958	},	3336	},
2959	);	3337	);
…		…
2979		3357
2980	$coro	3358	$coro
2981	}	3359	}
2982		3360
2983	cf::client->attach (	3361	cf::client->attach (
2984	on_destroy => sub {	3362	on_client_destroy => sub {
2985	my ($ns) = @_;	3363	my ($ns) = @_;
2986		3364
2987	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2988	},	3366	},
2989	);	3367	);
…		…
3005	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3006		3384
3007	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3008		3386
3009	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3010	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3011	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3012	sort time	3390	sort time
3013	));	3391	));
3014		3392
3015	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3018		3396
3019	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3020		3398
3021	cf::object	3399	cf::object
3022	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3023	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3024		3403
3025	cf::object::player	3404	cf::object::player
3026	player	3405	player
3027		3406
3028	cf::player	3407	cf::player
…		…
3033		3412
3034	=cut	3413	=cut
3035		3414
3036	for (	3415	for (
3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3039	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3040	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3041	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3042	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3043	) {	3422	) {
3044	no strict 'refs';
3045	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3046	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3047	for @funs;	3425	for @funs;
3048	}	3426	}
3049		3427
…		…
3064		3442
3065	my $qcode = $code;	3443	my $qcode = $code;
3066	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3067	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3068		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3069	local $_;	3450	local $_;
3070	local @safe::cf::_safe_eval_args = values %vars;
3071		3451
3072	my $eval =	3452	my $eval =
3073	"do {\n"	3453	"do {\n"
3074	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3075	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3076	. $code	3456	. $code
3077	. "\n}"	3457	. "\n}"
3078	;	3458	;
3079		3459
		3460	if ($CFG{safe_eval}) {
3080	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3081	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3082	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3083		3469
3084	if ($@) {	3470	if ($@) {
3085	warn "$@";	3471	warn "$@",
3086	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3087	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3088	}	3474	}
3089		3475
3090	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3091	}	3477	}
3092		3478
…		…
3106	=cut	3492	=cut
3107		3493
3108	sub register_script_function {	3494	sub register_script_function {
3109	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3110		3496
3111	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3112	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3113	}	3499	}
3114		3500
3115	=back	3501	=back
3116		3502
3117	=cut	3503	=cut
3118		3504
3119	#############################################################################	3505	#############################################################################
3120	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3121		3509
3122	sub load_facedata($) {	3510	sub load_facedata($) {
3123	my ($path) = @_;	3511	my ($path) = @_;
3124		3512
3125	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3126	# for this (global event?)	3514	# for this (global event?)
3127	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3128		3516
3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3130		3518
3131	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3132		3520
3133	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3134	0 < aio_load $path, $facedata
3135	or die "$path: $!";
3136
3137	$facedata = Coro::Storable::thaw $facedata;
3138		3522
3139	$facedata->{version} == 2	3523	$facedata->{version} == 2
3140	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3141		3525
3142	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3143	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3144	type => FT_RSRC,	3529	type => FT_RSRC,
3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3146	};	3532	};
3147	cf::cede_to_tick;	3533	cf::cede_to_tick;
3148		3534
3149	{	3535	{
3150	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3151		3537
3152	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
3154	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3155	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3158		3548
3159	cf::cede_to_tick;	3549	cf::cede_to_tick;
3160	}	3550	}
3161		3551
3162	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
3163	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
3164	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
3165	or next;	3556	or next;
		3557
3166	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3167	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3169	} else {	3561	} else {
3170	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3171	}	3563	}
3172		3564
3173	cf::cede_to_tick;	3565	cf::cede_to_tick;
3174	}	3566	}
3175	}	3567	}
…		…
3184		3576
3185	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3186	}	3578	}
3187		3579
3188	{	3580	{
3189	# TODO: for gcfclient pleasure, we should give resources
3190	# that gcfclient doesn't grok a >10000 face index.
3191	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3192		3582
3193	my $soundconf = delete $res->{"res/sound.conf"};
3194
3195	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197	my $data;
3198		3587
3199	if ($info->{type} & 1) {	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3200	# prepend meta info	3589	cf::face::set_type $idx, $type;
3201		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3202	my $meta = $enc->encode ({	3591	$FACEHASH{$info->{hash}} = $idx;#d#
3203	name => $name,
3204	%{ $info->{meta} || {} },
3205	});
3206
3207	$data = pack "(w/a*)*", $meta, $info->{data};
3208	} else {	3592	} else {
3209	$data = $info->{data};	3593	# $RESOURCE{$name} = $info; # unused
3210	}	3594	}
3211		3595
3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213	cf::face::set_type $idx, $info->{type};
3214
3215	cf::cede_to_tick;	3596	cf::cede_to_tick;
3216	}	3597	}
3217
3218	if ($soundconf) {
3219	$soundconf = $enc->decode (delete $soundconf->{data});
3220
3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222	my $sound = $soundconf->{compat}[$_]
3223	or next;
3224
3225	my $face = cf::face::find "sound/$sound->[1]";
3226	cf::sound::set $sound->[0] => $face;
3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228	}
3229
3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
3231	my $face = cf::face::find "sound/$v";
3232	cf::sound::set $k => $face;
3233	}
3234	}
3235	}	3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3236		3601
3237	1	3602	1
3238	}	3603	}
3239		3604
3240	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
…		…
3242		3607
3243	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
3244	$ns->fx_want ($k, $v);	3609	$ns->fx_want ($k, $v);
3245	}	3610	}
3246	};	3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
3247		3622
3248	sub reload_regions {	3623	sub reload_regions {
3249	# HACK to clear player env face cache, we need some signal framework	3624	# HACK to clear player env face cache, we need some signal framework
3250	# for this (global event?)	3625	# for this (global event?)
3251	%ext::player_env::MUSIC_FACE_CACHE = ();	3626	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3265	}	3640	}
3266		3641
3267	sub reload_archetypes {	3642	sub reload_archetypes {
3268	load_resource_file "$DATADIR/archetypes"	3643	load_resource_file "$DATADIR/archetypes"
3269	or die "unable to load archetypes\n";	3644	or die "unable to load archetypes\n";
3270	#d# NEED to laod twice to resolve forward references
3271	# this really needs to be done in an extra post-pass
3272	# (which needs to be synchronous, so solve it differently)
3273	load_resource_file "$DATADIR/archetypes"
3274	or die "unable to load archetypes\n";
3275	}	3645	}
3276		3646
3277	sub reload_treasures {	3647	sub reload_treasures {
3278	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3279	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3280	}	3650	}
3281		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3282	sub reload_resources {	3672	sub reload_resources {
3283	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3284		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
3285	reload_regions;	3680	reload_regions;
3286	reload_facedata;
3287	#reload_archetypes;#d#
3288	reload_archetypes;
3289	reload_treasures;	3681	reload_treasures;
3290		3682
3291	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
3292	}
3293
3294	sub init {
3295	reload_resources;
3296	}	3684	}
3297		3685
3298	sub reload_config {	3686	sub reload_config {
3299	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3300	or return;
3301		3688
3302	local $/;	3689	my $config = load_file "$CONFDIR/config";
3303	*CFG = YAML::Syck::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3304		3692
3305	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3306		3694
3307	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3308	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3309		3697
3310	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3314	};	3702	};
3315	warn $@ if $@;	3703	warn $@ if $@;
3316	}	3704	}
3317	}	3705	}
3318		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3319	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
3320	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3321	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3323	(async {	3748	(async {
3324	$Coro::current->{desc} = "IDLE BUG HANDLER";	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
3325	EV::loop EV::LOOP_ONESHOT;	3750	EV::loop EV::LOOP_ONESHOT;
3326	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
3327	};	3752	};
3328		3753
		3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
3329	reload_config;	3766	reload_config;
3330	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
3331	load_extensions;	3777	load_extensions;
3332		3778
3333	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3780
3335	EV::loop;	3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3336	}	3796	}
3337		3797
3338	#############################################################################	3798	#############################################################################
3339	# initialisation and cleanup	3799	# initialisation and cleanup
3340		3800
3341	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3342	BEGIN {	3802	BEGIN {
3343	our %SIGWATCHER = ();	3803	our %SIGWATCHER = ();
3344	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3346	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3347	};	3807	};
3348	}	3808	}
3349	}	3809	}
3350		3810
3351	sub write_runtime {	3811	sub write_runtime_sync {
3352	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
3353		3813
3354	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3355	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3356		3816
3357	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3358		3818
3359	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3360		3820
3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3362	or return;	3822	or return;
3363		3823
3364	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3365	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3366	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3376	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
3377		3837
3378	close $fh	3838	close $fh
3379	or return;	3839	or return;
3380		3840
3381	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3382	and return;	3842	and return;
3383		3843
3384	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3385		3845
3386	1	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
3387	}	3897	}
3388		3898
3389	sub emergency_save() {	3899	sub emergency_save() {
3390	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3391		3901
3392	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3393		3908
3394	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3395	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3396	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3397	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3398	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3399	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3400	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3401	$pl->valid or next;	3918	$pl->valid or next;
3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3403	$pl->save;	3920	$pl->save;
3404	}	3921	}
3405	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3406		3923
3407	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3408	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3409	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3410	$map->valid or next;	3929	$map->valid or next;
3411	$map->save;	3930	$map->save;
3412	}	3931	}
3413	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3414		3933
3415	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3416	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3417	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3418	};	3962	};
3419		3963
3420	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3421	}	3965	}
3422		3966
3423	sub post_cleanup {	3967	sub post_cleanup {
3424	my ($make_core) = @_;	3968	my ($make_core) = @_;
3425		3969
		3970	IO::AIO::flush;
		3971
3426	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3427	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
3428	}	4002	}
3429		4003
3430	sub do_reload_perl() {	4004	sub do_reload_perl() {
3431	# can/must only be called in main	4005	# can/must only be called in main
3432	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3433	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3434	return;	4008	return;
3435	}	4009	}
3436		4010
3437	warn "reloading...";	4011	return if $RELOAD++;
3438		4012
3439	warn "entering sync_job";	4013	my $t1 = AE::time;
3440		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
3441	cf::sync_job {	4021	cf::sync_job {
3442	cf::write_runtime; # external watchdog should not bark
3443	cf::emergency_save;	4022	#cf::emergency_save;
3444	cf::write_runtime; # external watchdog should not bark
3445		4023
3446	warn "syncing database to disk";
3447	BDB::db_env_txn_checkpoint $DB_ENV;
3448
3449	# if anything goes wrong in here, we should simply crash as we already saved
3450
3451	warn "flushing outstanding aio requests";
3452	for (;;) {
3453	BDB::flush;
3454	IO::AIO::flush;
3455	Coro::cede_notself;
3456	last unless IO::AIO::nreqs || BDB::nreqs;
3457	warn "iterate...";
3458	}
3459
3460	++$RELOAD;
3461
3462	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3463	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3464	%EXT_CORO = ();	4026	%EXT_CORO = ();
3465		4027
3466	warn "removing commands";	4028	trace "perl_reload: removing commands";
3467	%COMMAND = ();	4029	%COMMAND = ();
3468		4030
3469	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3470	%EXTCMD = ();	4032	%EXTCMD = ();
3471	%EXTICMD = ();	4033	%EXTICMD = ();
3472		4034
3473	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3474	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3475	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3476		4038
3477	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3478	eval {	4040	eval {
3479	$cb->($pkg);	4041	$cb->($pkg);
3480	1	4042	1
3481	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
3482	}	4048	}
3483		4049
3484	warn "... nuking $pkg";
3485	Symbol::delete_package $pkg;
3486	}
3487
3488	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3489	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3490	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3491		4053
3492	warn "... unloading $k";	4054	trace "... unloading $k";
3493	delete $INC{$k};	4055	delete $INC{$k};
3494		4056
3495	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3496	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3497		4059
3498	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3499	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3500	}	4065	}
3501		4066
3502	Symbol::delete_package $k;
3503	}
3504
3505	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3506	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3508		4070
3509	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3510	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3511	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3512		4074
3513	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3514	# and global variables created in xs	4076	# and global variables created in xs
3515	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3516		4078
3517	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3518		4080
3519	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3520	require cf;	4082	require cf;
3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3522		4084
3523	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3524	cf::reload_config;	4086	cf::reload_config;
3525		4087
3526	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3527	cf::load_extensions;	4089	cf::load_extensions;
3528		4090
		4091	if ($REATTACH_ON_RELOAD) {
3529	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3530	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3531	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3532	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3533	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3534	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3535		4099
3536	warn "leaving sync_job";	4100	cf::_post_init 1;
3537		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3538	1	4104	1
3539	} or do {	4105	} or do {
3540	warn $@;	4106	error $@;
3541	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3542	exit 1;	4108	};
		4109
		4110	--$RELOAD;
3543	};	4111	}
3544		4112
3545	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3546	};	4115	};
3547		4116
3548	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3549		4118
3550	sub reload_perl() {	4119	sub reload_perl() {
3551	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3552	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3553		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4127	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
3556	do_reload_perl;	4129	};
3557	};	4130	};
3558	}	4131	}
3559		4132
3560	register_command "reload" => sub {	4133	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
…		…
3567	reload_perl;	4140	reload_perl;
3568	};	4141	};
3569	}	4142	}
3570	};	4143	};
3571		4144
3572	unshift @INC, $LIBDIR;	4145	#############################################################################
3573		4146
3574	my $bug_warning = 0;	4147	my $bug_warning = 0;
3575		4148
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4149	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4151
3583	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4153	}
3587		4154
3588	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4157
3592	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4160	$signal->wait;
3595	}	4161	}
3596		4162
3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4163	sub tick {
3598	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3600	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3601	return;	4167	return;
3602	}	4168	}
3603		4169
3604	$NOW = $tick_start = EV::now;	4170	cf::one_tick; # one server iteration
3605		4171
3606	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3607
3608	$RUNTIME += $TICK;
3609	$NEXT_TICK = $_[0]->at;
3610		4173
3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3613	Coro::async_pool {	4176	Coro::async_pool {
3614	$Coro::current->{desc} = "runtime saver";	4177	$Coro::current->{desc} = "runtime saver";
3615	write_runtime	4178	write_runtime_sync
3616	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3617	};	4180	};
3618	}	4181	}
3619		4182
3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3621	$sig->send;	4184	$sig->send;
3622	}	4185	}
3623	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3624	$sig->send;
3625	}
3626		4187
3627	$LOAD = ($NOW - $tick_start) / $TICK;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629		4190
3630	_post_tick;	4191	if (0) {
3631	};	4192	if ($NEXT_TICK) {
3632	$TICK_WATCHER->priority (EV::MAXPRI);	4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
		4197	}
		4198	}
3633		4199
3634	{	4200	{
3635	# configure BDB	4201	# configure BDB
3636		4202
3637	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3638	BDB::max_poll_reqs $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3639	$Coro::BDB::WATCHER->priority (1);	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3640		4206
3641	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3642	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3644	| BDB::LOG_AUTOREMOVE, 1);	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3647		4214
3648	cf::sync_job {	4215	cf::sync_job {
3649	eval {	4216	eval {
…		…
3675	{	4242	{
3676	# configure IO::AIO	4243	# configure IO::AIO
3677		4244
3678	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3679	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3680	$Coro::AIO::WATCHER->priority (1);	4247	undef $AnyEvent::AIO::WATCHER;
3681	}	4248	}
3682		4249
3683	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3684		4252
3685	sub _log_backtrace {	4253	sub _log_backtrace {
3686	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3687		4255
3688	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3689		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3690	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3691	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3692	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3693	async {	4266	async {
3694	$Coro::current->{desc} = "abt $msg";	4267	$Coro::current->{desc} = "abt $msg";
3695		4268
3696	my @bt = fork_call {	4269	my @bt = fork_call {
3697	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
…		…
3708	}	4281	}
3709		4282
3710	@funcs	4283	@funcs
3711	};	4284	};
3712		4285
3713	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3714	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3715	--$_log_backtrace;	4289	--$_log_backtrace;
3716	};	4290	};
3717	} else {	4291	} else {
3718	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3719	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3720	}	4294	}
3721	}	4295	}
3722		4296
3723	# load additional modules	4297	# load additional modules
3724	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3725		4300
3726	END { cf::emergency_save }	4301	END { cf::emergency_save }
3727		4302
3728	1	4303	1
3729		4304

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