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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		78
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
47		82
48	our %COMMAND = ();	83	our %COMMAND = ();
49	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
50		85
51	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	87	our %EXTCMD = ();
53	our %EXTICMD = ();	88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	123	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
85		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
90	our $NOW;	138	our $NOW;
91		139
92	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	LOG llevError, $msg;	301	LOG llevWarn, $msg;
193	};	302	};
194	}
195		303
196	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
197	warn Carp::longmess $_[0];	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
198	Coro::terminate;	315	Coro::terminate
199	};	316	};
200		317
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	328	for my $pkg (qw(
212	cf::global cf::attachable	329	cf::global cf::attachable
213	cf::object cf::object::player	330	cf::object cf::object::player
214	cf::client cf::player	331	cf::client cf::player
215	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
216	cf::map cf::party cf::region	334	cf::party cf::region
217	)) {	335	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	337	}
221		338
222	$EV::DIED = sub {	339	$EV::DIED = sub {
223	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
224	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
225		347
226	#############################################################################	348	#############################################################################
227		349
228	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
229		351
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	373	$d
252	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
253	}	375	}
254		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
255	=item $ref = cf::decode_json $json	429	=item $ref = cf::decode_json $json
256		430
257	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
258		432
259	=item $json = cf::encode_json $ref	433	=item $json = cf::encode_json $ref
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		440
267	sub encode_json($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
269		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
		505
270	=item cf::lock_wait $string	506	=item cf::lock_wait $string
271		507
272	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
273		509
274	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
275		511
276	Wait until the given lock is available and then acquires it and returns	512	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	513	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
279	returned.	515	returned.
280		516
281	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	518	deadlocked coro.
…		…
288		524
289	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
290		526
291	=cut	527	=cut
292		528
293	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		530
296	sub lock_wait($) {	531	sub lock_wait($) {
297	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	533	}
310		534
311	sub lock_acquire($) {	535	sub lock_acquire($) {
312	my ($key) = @_;	536	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	537	}
326		538
327	sub lock_active($) {	539	sub lock_active($) {
328	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	541	}
332		542
333	sub freeze_mainloop {	543	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
335		545
336	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	547	}
342		548
343	=item cf::periodic $interval, $cb	549	=item cf::periodic $interval, $cb
344		550
345	Like EV::periodic, but randomly selects a starting point so that the actions	551	Like EV::periodic, but randomly selects a starting point so that the actions
346	get spread over timer.	552	get spread over time.
347		553
348	=cut	554	=cut
349		555
350	sub periodic($$) {	556	sub periodic($$) {
351	my ($interval, $cb) = @_;	557	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	561	EV::periodic $start, $interval, 0, $cb
356	}	562	}
357		563
358	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
359		565
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	567	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
363		573
364	The optional C<$name> can be used to identify the job to run. It might be	574	The optional C<$name> can be used to identify the job to run. It might be
365	used for statistical purposes and should identify the same time-class.	575	used for statistical purposes and should identify the same time-class.
366		576
367	Useful for short background jobs.	577	Useful for short background jobs.
368		578
369	=cut	579	=cut
370		580
371	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
373		584
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	587	$Coro::current->desc ("timeslot manager");
377		588
378	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
379		591
380	while () {	592	while () {
381	next_job:	593	next_job:
		594
382	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	596
384	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	601	$job->[2]->send;
388	Coro::cede;	602	Coro::cede;
389	goto next_job;	603	goto next_job;
390	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	606	}
392	}	607	}
393		608
394	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
395	# we do not use wait_for_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
396	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
397	$signal->wait;
398	} else {	612	} else {
		613	$busy = 0;
399	Coro::schedule;	614	Coro::schedule;
400	}	615	}
401	}	616	}
402	};	617	};
403		618
404	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
405	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
406		623
407	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
408	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
409		627
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
438	=cut	656	=cut
439		657
440	sub sync_job(&) {	658	sub sync_job(&) {
441	my ($job) = @_;	659	my ($job) = @_;
442		660
443	if ($Coro::current == $Coro::main) {	661	if (in_main) {
444	my $time = EV::time;	662	my $time = AE::time;
445		663
446	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
448		666
449	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
450		668
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
454		670
455	my $busy = 1;	671	my $busy = 1;
456	my @res;	672	my @res;
457		673
458	(async {	674	(async {
459	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	676	@res = eval { $job->() };
461	warn $@ if $@;	677	error $@ if $@;
462	undef $busy;	678	undef $busy;
463	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
464		680
465	while ($busy) {	681	while ($busy) {
466	if (Coro::nready) {	682	if (Coro::nready) {
…		…
468	} else {	684	} else {
469	EV::loop EV::LOOP_ONESHOT;	685	EV::loop EV::LOOP_ONESHOT;
470	}	686	}
471	}	687	}
472		688
473	$time = EV::time - $time;	689	my $time = AE::time - $time;
474		690
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
479		692
480	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
481	} else {	694	} else {
482	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
483		696
…		…
503	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
504		717
505	$coro	718	$coro
506	}	719	}
507		720
508	=item fork_call { }, $args	721	=item fork_call { }, @args
509		722
510	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
511	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
512	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
513	never block itself or use any form of event handling.	726	never block itself or use any form of event handling.
514		727
515	=cut	728	=cut
516		729
		730	sub post_fork {
		731	reset_signals;
		732	}
		733
517	sub fork_call(&@) {	734	sub fork_call(&@) {
518	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
519		736
520	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
521	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
523		740
524	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
525	reset_signals;	742	cf::post_fork;
526	&$cb	743	&$cb
527	}, @args;	744	} @args;
528		745
529	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
530	}	785	}
531		786
532	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
533		788
534	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
544	within each server.	799	within each server.
545		800
546	=cut	801	=cut
547		802
548	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
549	my ($name) = @_;	807	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
551		809
552	eval {	810	eval {
553	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
563	}	821	}
564		822
565	our $DB;	823	our $DB;
566		824
567	sub db_init {	825	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	826	$DB ||= db_table "db";
570	};
571	}	827	}
572		828
573	sub db_get($$) {	829	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
575		831
576	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
577	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
578		836
579	$! ? ()	837	$! ? ()
580	: $data	838	: $data
581	}
582	}	839	}
583		840
584	sub db_put($$$) {	841	sub db_put($$$) {
585	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		871
615	my @data;	872	my @data;
616	my $md5;	873	my $md5;
617		874
618	for (0 .. $#$src) {	875	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	877	}
622		878
623	# if processing is expensive, check	879	# if processing is expensive, check
624	# checksum first	880	# checksum first
625	if (1) {	881	if (1) {
…		…
642		898
643	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
644	my $data = $process->(\@data);	900	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
646		902
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		904
649	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
652		908
…		…
662		918
663	=cut	919	=cut
664		920
665	sub datalog($@) {	921	sub datalog($@) {
666	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	924	}
669		925
670	=back	926	=back
671		927
672	=cut	928	=cut
673		929
674	#############################################################################	930	#############################################################################
675		931
676	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
677		933
678	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
681		937
682	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
734		990
735	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
737		993
738	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
740		996
741	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
742		998
743	=over 4	999	=over 4
…		…
867		1123
868	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1126
871	} elsif (ref $type) {	1127	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
873		1129
874	} else {	1130	} else {
875	shift @arg;	1131	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
877	}	1133	}
878	}	1134	}
879	}	1135	}
880		1136
881	sub _object_attach {	1137	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
892	}	1148	}
893		1149
894	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
895	} else {	1151	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1153	}
898		1154
899	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
900	}	1156	}
901		1157
…		…
960		1216
961	for (@$callbacks) {	1217	for (@$callbacks) {
962	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
963		1219
964	if ($@) {	1220	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1222	override;
968	}	1223	}
969		1224
970	return 1 if $override;	1225	return 1 if $override;
971	}	1226	}
…		…
1034		1289
1035	sub reattach {	1290	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1292	my ($obj) = @_;
1038		1293
		1294	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1296
1041	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1042		1298
1043	@$registry = ();	1299	@$registry = ();
1044		1300
…		…
1049	for (@$attach) {	1305	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1052	}	1308	}
1053	} else {	1309	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1311	}
1056	}	1312	}
1057	}	1313	}
1058		1314
1059	cf::attachable->attach (	1315	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1087		1343
1088	sync_job {	1344	sync_job {
1089	if (length $$rdata) {	1345	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1093		1350
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
1098	close $fh;	1358	aio_close $fh;
1099		1359
1100	if (@$objs) {	1360	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
1106	close $fh;	1369	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1371	}
1109	} else {	1372	} else {
1110	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1111	}	1374	}
1112		1375
1113	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1380	} else {
1115	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1116	}	1382	}
1117	} else {	1383	} else {
1118	aio_unlink $filename;	1384	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1120	}	1386	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1411	$av = $st->{objs};
1146	}	1412	}
1147		1413
1148	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1151		1418
1152	($data, $av)	1419	($data, $av)
1153	}	1420	}
1154		1421
1155	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1211	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1212		1479
1213	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1214	}	1481	}
1215		1482
		1483	use File::Glob ();
		1484
1216	cf::player->attach (	1485	cf::player->attach (
1217	on_command => sub {	1486	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1219		1488
1220	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1221	or return;	1490	or return;
1222		1491
…		…
1230	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1231		1500
1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1233		1502
1234	if (ref $msg) {	1503	if (ref $msg) {
1235	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1236	"ARRAY" eq ref $msg
1237	? @$msg
1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239		1505
1240	my @reply;	1506	my @reply;
1241		1507
1242	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1243	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1245		1511
1246	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1247	if $reply;	1513	if $reply;
1248		1514
1249	} else {	1515	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1517	}
1252		1518
1253	cf::override;	1519	cf::override;
1254	},	1520	},
1255	);	1521	);
1256		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1257	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1258	cf::sync_job {	1539	cf::sync_job {
1259	my %todo;	1540	my %todo;
1260		1541
1261	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1543	next unless -r $path;
…		…
1280		1561
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1564
1284	$ext{source} =	1565	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1287	. $source	1568	. $source
1288	. "\n};\n1";	1569	. "\n};\n1";
1289		1570
1290	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1291	}	1572	}
1292		1573
		1574	my $pass = 0;
1293	my %done;	1575	my %done;
1294	while (%todo) {	1576	while (%todo) {
1295	my $progress;	1577	my $progress;
1296		1578
		1579	++$pass;
		1580
		1581	ext:
1297	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1584	next ext
1300	unless exists $done{$_};	1585	unless exists $done{$_};
1301	}	1586	}
1302		1587
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1589
1305	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1310	warn $msg;	1597
1311	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1599	delete $todo{$k};
1313	}	1600	} else {
1314		1601	$done{$k} = delete $todo{$k};
1315	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1316	}	1607	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1608	}
1322		1609
1323	skip:	1610	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1326	}	1620	}
1327	};	1621	};
1328	}	1622	}
1329		1623
1330	#############################################################################	1624	#############################################################################
1331		1625
1332	=back	1626	=back
1333		1627
1334	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1335		1629
1336	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1337		1631
1338	=cut	1632	=cut
1339		1633
1340	package cf::player;	1634	package cf::player;
1341		1635
…		…
1384		1678
1385	sub exists($) {	1679	sub exists($) {
1386	my ($login) = @_;	1680	my ($login) = @_;
1387		1681
1388	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1390	}	1684	}
1391		1685
1392	sub find($) {	1686	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1688	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1701	or return;
1408		1702
1409	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1410	or return;	1704	or return;
		1705
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1414	}	1709	}
1415	}	1710	}
1416	}	1711	}
1417		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
		1725
1418	sub save($) {	1726	sub save($) {
1419	my ($pl) = @_;	1727	my ($pl) = @_;
1420		1728
1421	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1422		1730
…		…
1425		1733
1426	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1427		1735
1428	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1430		1743
1431	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1745	cf::cede_to_tick;
1433	}	1746	}
1434		1747
…		…
1466	my ($pl) = @_;	1779	my ($pl) = @_;
1467		1780
1468	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1469		1782
1470	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1785
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1476	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1477		1794
1478	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1518		1835
1519	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1520	my $path = path $login;	1837	my $path = path $login;
1521		1838
1522	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1845	}
1528		1846
…		…
1532		1850
1533	\@logins	1851	\@logins
1534	}	1852	}
1535		1853
1536	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1537		1857
1538	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1539	player. May block.	1859	player. May block.
1540		1860
1541	=cut	1861	=cut
…		…
1559	}	1879	}
1560		1880
1561	\@paths	1881	\@paths
1562	}	1882	}
1563		1883
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1885
1566	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1887
1657	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1658		1889
1659	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1660		1891
…		…
1692		1923
1693	=cut	1924	=cut
1694		1925
1695	sub find_by_path($) {	1926	sub find_by_path($) {
1696	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1697		1930
1698	my ($match, $specificity);	1931	my ($match, $specificity);
1699		1932
1700	for my $region (list) {	1933	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1729		1962
1730	sub generate_random_map {	1963	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1733	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	1969	}
1747		1970
1748	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1749		1972
1750	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1755		1978
1756	sub register {	1979	sub register {
1757	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	1981	my $pkg = caller;
1759		1982
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		1984
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	1986	}
1765		1987
1766	# also paths starting with '/'	1988	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		1990
1769	sub thawer_merge {	1991	sub thawer_merge {
1770	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1771		1993
1772	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1777	}	1999	}
1778		2000
1779	sub normalise {	2001	sub normalise {
1780	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1781		2003
1782	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1783		2005
1784	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1785		2007
1786	# map plan:	2008	# map plan:
1787	#	2009	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2025	$path = "$base/$path";
1804	}	2026	}
1805		2027
1806	for ($path) {	2028	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1810	}	2031	}
1811		2032
1812	$path	2033	$path
…		…
1826	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1827	return $self;	2048	return $self;
1828	}	2049	}
1829	}	2050	}
1830		2051
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2053	()
1833	}	2054	}
1834		2055
		2056	# may re-bless or do other evil things
1835	sub init {	2057	sub init {
1836	my ($self) = @_;	2058	my ($self) = @_;
1837		2059
1838	$self	2060	$self
1839	}	2061	}
…		…
1858		2080
1859	# the temporary/swap location	2081	# the temporary/swap location
1860	sub save_path {	2082	sub save_path {
1861	my ($self) = @_;	2083	my ($self) = @_;
1862		2084
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1865	}	2087	}
1866		2088
1867	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1868	sub uniq_path {	2090	sub uniq_path {
1869	my ($self) = @_;	2091	my ($self) = @_;
1870		2092
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2095	}
1883		2096
1884	sub decay_objects {	2097	sub decay_objects {
1885	my ($self) = @_;	2098	my ($self) = @_;
1886		2099
…		…
1913	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1914		2127
1915	1	2128	1
1916	}	2129	}
1917		2130
		2131	# used to laod the header of an original map
1918	sub load_header_orig {	2132	sub load_header_orig {
1919	my ($self) = @_;	2133	my ($self) = @_;
1920		2134
1921	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1922	}	2136	}
1923		2137
		2138	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2139	sub load_header_temp {
1925	my ($self) = @_;	2140	my ($self) = @_;
1926		2141
1927	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1928	}	2143	}
1929		2144
		2145	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2146	sub prepare_temp {
1931	my ($self) = @_;	2147	my ($self) = @_;
1932		2148
1933	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1935	# safety	2151	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2154	}
1939		2155
		2156	# called after loading the header from an original map
1940	sub prepare_orig {	2157	sub prepare_orig {
1941	my ($self) = @_;	2158	my ($self) = @_;
1942		2159
1943	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2185
1969	sub find;	2186	sub find;
1970	sub find {	2187	sub find {
1971	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1972		2189
		2190	cf::cede_to_tick;
		2191
1973	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1974		2193
1975	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2196
1978	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1983	or return;	2199	or return;
1984		2200
1985	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1986		2202
…		…
1988	or return;	2204	or return;
1989		2205
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
1993	undef $guard1;	2210	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2211	$map->reset;
1996	return find $path;	2212	return find $path;
1997	}	2213	}
1998		2214
1999	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
2000	}	2216	}
2001	}	2217	}
2002		2218
2003	sub pre_load { }	2219	sub pre_load { }
2004	sub post_load { }	2220	#sub post_load { } # XS
2005		2221
2006	sub load {	2222	sub load {
2007	my ($self) = @_;	2223	my ($self) = @_;
2008		2224
2009	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2228
2013	{	2229	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
2015		2231
2016	return unless $self->valid;	2232	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2234
2021	$self->alloc;	2235	$self->alloc;
2022		2236
2023	$self->pre_load;	2237	$self->pre_load;
2024	cf::cede_to_tick;	2238	cf::cede_to_tick;
2025		2239
		2240	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2242	$f->skip_block;
2028	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2029	or return;	2244	or return;
2030		2245
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
2032	if delete $self->{load_original};	2247	if delete $self->{load_original};
2033		2248
2034	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2250	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2253	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2041	}	2257	}
2042	}	2258	}
2043	}
2044		2259
2045	$f->resolve_delayed_derefs;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
2046		2267
2047	cf::cede_to_tick;	2268	cf::cede_to_tick;
2048	# now do the right thing for maps	2269	# now do the right thing for maps
2049	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2276	$self->decay_objects;
2056	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2057	$self->update_buttons;	2278	$self->update_buttons;
2058	cf::cede_to_tick;	2279	cf::cede_to_tick;
2059	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2281	}
2063		2282
2064	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2285	}
2069		2286
2070	$self->post_load;	2287	$self->post_load;
2071	}
2072		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2295	sub customise_for {
2074	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2075		2297
2076	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2299	if $self->per_player;
…		…
2080	# if $self->per_party;	2302	# if $self->per_party;
2081		2303
2082	$self	2304	$self
2083	}	2305	}
2084		2306
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2307	sub find_sync {
2112	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2113		2309
2114	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
2115	}	2315	}
2116		2316
2117	sub do_load_sync {	2317	sub do_load_sync {
2118	my ($map) = @_;	2318	my ($map) = @_;
2119		2319
		2320	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2122		2323
2123	cf::sync_job { $map->load };	2324	$map->load;
2124	}	2325	}
2125		2326
2126	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2128		2329
2129	sub find_async {	2330	sub find_async {
2130	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2131		2332
2132	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2133		2334
2134	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
2136	}	2337	}
2137		2338
2138	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2139		2340
2140	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2155		2356
2156	()	2357	()
2157	}	2358	}
2158		2359
		2360	# common code, used by both ->save and ->swapout
2159	sub save {	2361	sub _save {
2160	my ($self) = @_;	2362	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2363
2164	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2165		2365
2166	return unless $self->dirty;	2366	return unless $self->dirty;
2167		2367
…		…
2176		2376
2177	cf::async {	2377	cf::async {
2178	$Coro::current->{desc} = "map player save";	2378	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2180	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2181		2383
2182	if ($uniq) {	2384	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2387	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2187	}	2389	}
2188	}	2390	}
2189		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2190	sub swap_out {	2400	sub swap_out {
2191	my ($self) = @_;	2401	my ($self) = @_;
2192		2402
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2198	return if $self->players;	2407	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2200	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2201		2426
		2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2429
		2430	$time + $to
		2431	}
		2432
		2433	sub should_reset {
		2434	my ($self) = @_;
		2435
		2436	$self->reset_at <= $cf::RUNTIME
		2437	}
		2438
		2439	sub reset {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	return if $self->players;
		2445
		2446	cf::trace "resetting map ", $self->path, "\n";
		2447
2202	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
		2457
		2458	delete $cf::MAP{$self->path};
2203		2459
2204	$self->deactivate;	2460	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2462	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2463
2252	$self->unlink_save;	2464	$self->unlink_save;
2253	$self->destroy;	2465	$self->destroy;
2254	}	2466	}
2255		2467
…		…
2263		2475
2264	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2265		2477
2266	$self->unlink_save;	2478	$self->unlink_save;
2267		2479
2268	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2485
…		…
2322		2534
2323	sub unique_maps() {	2535	sub unique_maps() {
2324	[	2536	[
2325	map {	2537	map {
2326	utf8::decode $_;	2538	utf8::decode $_;
2327	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2328	? normalise $_	2542	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2544	]
2332	}	2545	}
2333		2546
2334	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
2335		2578
2336	=back	2579	=back
2337		2580
2338	=head3 cf::object	2581	=head3 cf::object
2339		2582
…		…
2343		2586
2344	=over 4	2587	=over 4
2345		2588
2346	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2347		2590
2348	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2349		2593
2350	=cut	2594	=cut
2351		2595
2352	sub inv_recursive_;	2596	sub inv_recursive_;
2353	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2359	}	2603	}
2360		2604
2361	=item $ref = $ob->ref	2605	=item $ref = $ob->ref
2362		2606
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2607	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2608
2365	=item $ob = cf::object::deref ($refstring)	2609	=item $ob = cf::object::deref ($refstring)
2366		2610
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2612	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2402		2646
2403	=cut	2647	=cut
2404		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
		2662
2405	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2664	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2680
2423	} else {	2681	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2684	}
2427	}	2685	}
2428	}	2686	}
2429		2687
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2713
2456	=item $player_object->enter_link	2714	=item $player_object->enter_link
2457		2715
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2717
2460	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
2462		2722
2463	Will never block.	2723	Will never block.
2464		2724
2465	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2466		2726
…		…
2486	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2747	my ($self) = @_;
2488		2748
2489	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2490		2750
		2751	++$self->{_link_recursion};
		2752
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2754
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2495		2757
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2759	}
2498		2760
2499	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2501		2763
…		…
2518	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2520		2782
2521	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2524		2786
2525	$map->load;	2787	$map->load;
2526	$map->load_neighbours;
2527		2788
2528	return unless $self->contr->active;	2789	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2790
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2533	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2534		2798
		2799	}
		2800
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2802
2537	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2807	be called at the end of this process.
2542		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
2543	=cut	2812	=cut
2544		2813
2545	our $GOTOGEN;	2814	our $GOTOGEN;
2546		2815
2547	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2548	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
2549		2824
2550	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2827
2553	$self->enter_link;	2828	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2574	}	2849	}
2575	}	2850	}
2576		2851
2577	my $map = eval {	2852	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2854
2580	if ($map) {	2855	if ($map) {
2581	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2858	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2860	}
2586		2861
2587	$map	2862	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2598	}	2873	}
2599		2874
2600	$done->() if $done;	2875	$done->($self) if $done;
2601	})->prio (1);	2876	})->prio (1);
2602	}	2877	}
2603		2878
2604	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2605		2880
…		…
2625	}	2900	}
2626		2901
2627	sub prepare_random_map {	2902	sub prepare_random_map {
2628	my ($exit) = @_;	2903	my ($exit) = @_;
2629		2904
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2907	# that depends on the exit object
2635		2908
2636	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2911	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2643	}	2918	}
2644		2919
2645	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2646		2921
2647	my $data = cf::encode_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2650		2925
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2928	undef $fh;
2654	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2655		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2658	}	2937	}
2659	}	2938	}
2660		2939
2661	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2663		2942
2664	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2665		2944
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2945	$self->enter_link;
2678		2946
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2947	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2685		2949
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2688	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2689		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2690	1;	2986	1
2691	}) {	2987	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2992
2697	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	2994	$self->leave_link;
2699	}	2995	}
2700	})->prio (1);	2996	})->prio (1);
2701	}	2997	}
2702		2998
…		…
2714	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2716		3012
2717	utf8::encode $text;	3013	utf8::encode $text;
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2719	}	3040	}
2720		3041
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3043
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2727		3048
2728	=cut	3049	=cut
2729		3050
2730	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
2732	"c/identify" => {	3059	"c/identify" => {
2733	id => "infobox",	3060	id => "infobox",
2734	title => "Identify",	3061	title => "Identify",
2735	reply => undef,	3062	reply => undef,
2736	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3065	"c/examine" => {
2739	id => "infobox",	3066	id => "infobox",
2740	title => "Examine",	3067	title => "Examine",
2741	reply => undef,	3068	reply => undef,
2742	tooltip => "Signs and other items you examined",	3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
2743	},	3076	},
2744	"c/book" => {	3077	"c/book" => {
2745	id => "infobox",	3078	id => "infobox",
2746	title => "Book",	3079	title => "Book",
2747	reply => undef,	3080	reply => undef,
…		…
2763	id => "infobox",	3096	id => "infobox",
2764	title => "Body Parts",	3097	title => "Body Parts",
2765	reply => undef,	3098	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2767	},	3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
2768	"c/uptime" => {	3137	"c/uptime" => {
2769	id => "infobox",	3138	id => "infobox",
2770	title => "Uptime",	3139	title => "Uptime",
2771	reply => undef,	3140	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3144	id => "infobox",
2776	title => "Map Info",	3145	title => "Map Info",
2777	reply => undef,	3146	reply => undef,
2778	tooltip => "Information related to the maps",	3147	tooltip => "Information related to the maps",
2779	},	3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
2780	);	3163	);
2781		3164
2782	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3167
2785	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2786		3170
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3172
2789	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2792		3176
2793	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3178	$channel = $channel->{id};
2797		3179
2798	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3185	}
2805		3186
2806	$channel = $channel->{id};	3187	$channel = $channel->{id};
2807	}	3188	}
2808		3189
2809	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2810		3191
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3192	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2815		3195
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3199	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3200
2830	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3202	}
2844		3203
2845	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2846		3205
2847	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2850		3209
2851	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2853		3212
2854	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}	3218	}
2860	}	3219	}
2861		3220
2862	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2863		3222
…		…
2866	=cut	3225	=cut
2867		3226
2868	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2870		3229
2871	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}
2878	}	3233	}
2879		3234
2880	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2881		3236
2882	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2937	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2938		3293
2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940		3295
2941	if (ref $msg) {	3296	if (ref $msg) {
2942	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2943	"ARRAY" eq ref $msg
2944	? @$msg
2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946		3298
2947	my @reply;	3299	my @reply;
2948		3300
2949	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2950	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2952		3304
2953	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2954	if $reply;	3306	if $reply;
2955		3307
2956	} else {	3308	} else {
2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958	}	3310	}
2959		3311
2960	cf::override;	3312	cf::override;
2961	},	3313	},
2962	);	3314	);
…		…
2982		3334
2983	$coro	3335	$coro
2984	}	3336	}
2985		3337
2986	cf::client->attach (	3338	cf::client->attach (
2987	on_destroy => sub {	3339	on_client_destroy => sub {
2988	my ($ns) = @_;	3340	my ($ns) = @_;
2989		3341
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3343	},
2992	);	3344	);
…		…
3008	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
3009		3361
3010	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
3011		3363
3012	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
3015	sort time	3367	sort time
3016	));	3368	));
3017		3369
3018	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3021		3373
3022	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3023		3375
3024	cf::object	3376	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
3027		3380
3028	cf::object::player	3381	cf::object::player
3029	player	3382	player
3030		3383
3031	cf::player	3384	cf::player
…		…
3036		3389
3037	=cut	3390	=cut
3038		3391
3039	for (	3392	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3046	) {	3399	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3402	for @funs;
3051	}	3403	}
3052		3404
…		…
3067		3419
3068	my $qcode = $code;	3420	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3071		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3072	local $_;	3427	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3428
3075	my $eval =	3429	my $eval =
3076	"do {\n"	3430	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3433	. $code
3080	. "\n}"	3434	. "\n}"
3081	;	3435	;
3082		3436
		3437	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3086		3446
3087	if ($@) {	3447	if ($@) {
3088	warn "$@";	3448	warn "$@",
3089	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3091	}	3451	}
3092		3452
3093	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3094	}	3454	}
3095		3455
…		…
3109	=cut	3469	=cut
3110		3470
3111	sub register_script_function {	3471	sub register_script_function {
3112	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3113		3473
3114	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3116	}	3476	}
3117		3477
3118	=back	3478	=back
3119		3479
3120	=cut	3480	=cut
…		…
3129	# for this (global event?)	3489	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3131		3491
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3493
3134	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3135		3495
3136	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3497
3142	$facedata->{version} == 2	3498	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3500
3145	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3146	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,	3504	type => FT_RSRC,
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
3149	};	3507	};
3150	cf::cede_to_tick;	3508	cf::cede_to_tick;
3151		3509
3152	{	3510	{
3153	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
…		…
3155	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3515
3158	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3162		3521
3163	cf::cede_to_tick;	3522	cf::cede_to_tick;
3164	}	3523	}
3165		3524
3166	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
…		…
3171		3530
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3534	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3536	}
3178		3537
3179	cf::cede_to_tick;	3538	cf::cede_to_tick;
3180	}	3539	}
3181	}	3540	}
…		…
3190		3549
3191	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3192	}	3551	}
3193		3552
3194	{	3553	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3198		3555
3199	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3560
3204	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3219	} else {	3564	} else {
3220	$RESOURCE{$name} = $info;	3565	# $RESOURCE{$name} = $info; # unused
3221	}	3566	}
3222		3567
3223	cf::cede_to_tick;	3568	cf::cede_to_tick;
3224	}	3569	}
3225	}	3570	}
3226		3571
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3573
3229	1	3574	1
3230	}	3575	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3576
3252	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3578	my ($ns, $want) = @_;
3254		3579
3255	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3257	}	3582	}
3258	};	3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
3259		3594
3260	sub reload_regions {	3595	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3597	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3277	}	3612	}
3278		3613
3279	sub reload_archetypes {	3614	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3617	}
3288		3618
3289	sub reload_treasures {	3619	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3292	}	3622	}
3293		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
3294	sub reload_resources {	3644	sub reload_resources {
3295	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3296		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3297	reload_regions;	3652	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3653	reload_treasures;
3302		3654
3303	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3656	}
3309		3657
3310	sub reload_config {	3658	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3312	or return;
3313		3660
3314	local $/;	3661	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3316		3664
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3666
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3321		3669
3322	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3326	};	3674	};
3327	warn $@ if $@;	3675	warn $@ if $@;
3328	}	3676	}
3329	}	3677	}
3330		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3331	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
3332	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3720	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3722	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3339	};	3724	};
3340		3725
		3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
3341	reload_config;	3738	reload_config;
3342	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
3343	load_extensions;	3749	load_extensions;
3344		3750
3345	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3752
3347	EV::loop;	3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3348	}	3768	}
3349		3769
3350	#############################################################################	3770	#############################################################################
3351	# initialisation and cleanup	3771	# initialisation and cleanup
3352		3772
3353	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3354	BEGIN {	3774	BEGIN {
3355	our %SIGWATCHER = ();	3775	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3359	};	3779	};
3360	}	3780	}
3361	}	3781	}
3362		3782
3363	sub write_runtime {	3783	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3365		3785
3366	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3368		3788
3369	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3790
3371	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3372		3792
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3794	or return;
3375		3795
3376	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3389		3809
3390	close $fh	3810	close $fh
3391	or return;	3811	or return;
3392		3812
3393	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3814	and return;
3395		3815
3396	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		3817
3398	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3399	}	3869	}
3400		3870
3401	sub emergency_save() {	3871	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3403		3873
3404	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3405		3880
3406	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3407	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3890	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3892	$pl->save;
3416	}	3893	}
3417	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3418		3895
3419	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3901	$map->valid or next;
3423	$map->save;	3902	$map->save;
3424	}	3903	}
3425	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3426		3905
3427	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3430	};	3934	};
3431		3935
3432	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3433	}	3937	}
3434		3938
3435	sub post_cleanup {	3939	sub post_cleanup {
3436	my ($make_core) = @_;	3940	my ($make_core) = @_;
3437		3941
		3942	IO::AIO::flush;
		3943
3438	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3440	}	3974	}
3441		3975
3442	sub do_reload_perl() {	3976	sub do_reload_perl() {
3443	# can/must only be called in main	3977	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3445	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3446	return;	3980	return;
3447	}	3981	}
3448		3982
3449	warn "reloading...";	3983	return if $RELOAD++;
3450		3984
3451	warn "entering sync_job";	3985	my $t1 = AE::time;
3452		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3453	cf::sync_job {	3993	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	3994	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		3995
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	3998	%EXT_CORO = ();
3477		3999
3478	warn "removing commands";	4000	trace "perl_reload: removing commands";
3479	%COMMAND = ();	4001	%COMMAND = ();
3480		4002
3481	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	4004	%EXTCMD = ();
3483	%EXTICMD = ();	4005	%EXTICMD = ();
3484		4006
3485	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3488		4010
3489	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3490	eval {	4012	eval {
3491	$cb->($pkg);	4013	$cb->($pkg);
3492	1	4014	1
3493	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3494	}	4020	}
3495		4021
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		4025
3504	warn "... unloading $k";	4026	trace "... unloading $k";
3505	delete $INC{$k};	4027	delete $INC{$k};
3506		4028
3507	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3509		4031
3510	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3512	}	4037	}
3513		4038
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4042
3521	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4046
3525	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4048	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3528		4050
3529	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3530		4052
3531	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3532	require cf;	4054	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3534		4056
3535	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4058	cf::reload_config;
3537		4059
3538	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4061	cf::load_extensions;
3540		4062
		4063	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3547		4071
3548	warn "leaving sync_job";	4072	cf::_post_init 1;
3549		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3550	1	4076	1
3551	} or do {	4077	} or do {
3552	warn $@;	4078	error $@;
3553	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3555	};	4083	}
3556		4084
3557	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3558	};	4087	};
3559		4088
3560	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3561		4090
3562	sub reload_perl() {	4091	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3565		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
3567	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3568	do_reload_perl;	4101	};
3569	};	4102	};
3570	}	4103	}
3571		4104
3572	register_command "reload" => sub {	4105	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4112	reload_perl;
3580	};	4113	};
3581	}	4114	}
3582	};	4115	};
3583		4116
3584	unshift @INC, $LIBDIR;	4117	#############################################################################
3585		4118
3586	my $bug_warning = 0;	4119	my $bug_warning = 0;
3587		4120
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4121	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4123
3595	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4125	}
3599		4126
3600	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4129
3604	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4132	$signal->wait;
3607	}	4133	}
3608		4134
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4135	sub tick {
3610	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3613	return;	4139	return;
3614	}	4140	}
3615		4141
3616	$NOW = $tick_start = EV::now;	4142	cf::one_tick; # one server iteration
3617		4143
3618	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4145
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4148	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4150	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3629	};	4152	};
3630	}	4153	}
3631		4154
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4156	$sig->send;
3634	}	4157	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4159
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4162
3642	_post_tick;	4163	if (0) {
3643	};	4164	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
		4169	}
		4170	}
3645		4171
3646	{	4172	{
3647	# configure BDB	4173	# configure BDB
3648		4174
3649	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4178
3653	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4186
3660	cf::sync_job {	4187	cf::sync_job {
3661	eval {	4188	eval {
…		…
3687	{	4214	{
3688	# configure IO::AIO	4215	# configure IO::AIO
3689		4216
3690	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4219	undef $AnyEvent::AIO::WATCHER;
3693	}	4220	}
3694		4221
3695	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3696		4224
3697	sub _log_backtrace {	4225	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3699		4227
3700	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3701		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3705	async {	4238	async {
3706	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3707		4240
3708	my @bt = fork_call {	4241	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4253	}
3721		4254
3722	@funcs	4255	@funcs
3723	};	4256	};
3724		4257
3725	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4261	--$_log_backtrace;
3728	};	4262	};
3729	} else {	4263	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4266	}
3733	}	4267	}
3734		4268
3735	# load additional modules	4269	# load additional modules
3736	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3737		4272
3738	END { cf::emergency_save }	4273	END { cf::emergency_save }
3739		4274
3740	1	4275	1
3741		4276

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