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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.400 by root, Mon Dec 17 06:36:34 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML::Syck ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
89		134
90	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
92	our $NOW;	138	our $NOW;
93		139
94	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		146
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
104		159
105	binmode STDOUT;	160	binmode STDOUT;
106	binmode STDERR;	161	binmode STDERR;
107		162
108	# read virtual server time, if available	163	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
113	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
114		171
115	mkdir $_	172	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		174
118	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
119		176
120	sub cf::map::normalise;	177	sub cf::map::normalise;
121		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
122	#############################################################################	183	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
125		197
126	=over 4	198	=over 4
127		199
128	=item $cf::UPTIME	200	=item $cf::UPTIME
129		201
130	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.
131		218
132	=item $cf::RUNTIME	219	=item $cf::RUNTIME
133		220
134	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
135	every server tick.	222	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
144	database environment.	231	database environment.
145		232
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	233	=item $cf::LOADAVG
155		234
156	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
167	from wherever your confdir points to.	246	from wherever your confdir points to.
168		247
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		249
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
175	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
176		272
177	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
178	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
179	that call.	275	that call.
180		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
181	=back	283	=back
182		284
183	=cut	285	=cut
184		286
185	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	294	my $msg = join "", @_;
188		295
189	$msg .= "\n"	296	$msg .= "\n"
190	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
191		298
192	$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;
193		300
194	LOG llevError, $msg;	301	LOG llevWarn, $msg;
195	};	302	};
196	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		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
		315	Coro::terminate
		316	};
197		317
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	328	for my $pkg (qw(
209	cf::global cf::attachable	329	cf::global cf::attachable
210	cf::object cf::object::player	330	cf::object cf::object::player
211	cf::client cf::player	331	cf::client cf::player
212	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
213	cf::map cf::party cf::region	334	cf::party cf::region
214	)) {	335	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	337	}
218		338
219	$EV::DIED = sub {	339	$EV::DIED = sub {
220	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
221	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
222		347
223	#############################################################################	348	#############################################################################
224		349
225	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
226		351
…		…
247	$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;
248	$d	373	$d
249	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
250	}	375	}
251		376
		377	=item $scalar = 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
252	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
253		392
254	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
255		394
256	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		402
264	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
266		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
267	=item cf::lock_wait $string	468	=item cf::lock_wait $string
268		469
269	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
270		471
271	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
272		473
273	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
276	returned.	477	returned.
277		478
278	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	480	deadlocked coro.
…		…
285		486
286	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
287		488
288	=cut	489	=cut
289		490
290	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		492
293	sub lock_wait($) {	493	sub lock_wait($) {
294	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	495	}
307		496
308	sub lock_acquire($) {	497	sub lock_acquire($) {
309	my ($key) = @_;	498	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	499	}
323		500
324	sub lock_active($) {	501	sub lock_active($) {
325	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	503	}
329		504
330	sub freeze_mainloop {	505	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
332		507
333	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;
335	};
336	$TICK_WATCHER->stop;
337	$guard
338	}	509	}
339		510
340	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
341		512
342	Like EV::periodic, but randomly selects a starting point so that the actions	513	Like EV::periodic, but randomly selects a starting point so that the actions
343	get spread over timer.	514	get spread over time.
344		515
345	=cut	516	=cut
346		517
347	sub periodic($$) {	518	sub periodic($$) {
348	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
352	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
353	}	524	}
354		525
355	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
356		527
357	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
358	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
359	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
360		535
361	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
362	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
363		538
364	Useful for short background jobs.	539	Useful for short background jobs.
365		540
366	=cut	541	=cut
367		542
368	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
369	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
370		546
371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
373	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
374		550
375	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
376		553
377	while () {	554	while () {
378	next_job:	555	next_job:
		556
379	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
380	if ($avail > 0.01) {	558
381	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
382	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
383	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
384	$job->[2]->send;	563	$job->[2]->send;
385	Coro::cede;	564	Coro::cede;
386	goto next_job;	565	goto next_job;
387	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
388	}	568	}
389	}	569	}
390		570
391	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
392	# we do not use wait_for_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
393	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
394	$signal->wait;
395	} else {	574	} else {
		575	$busy = 0;
396	Coro::schedule;	576	Coro::schedule;
397	}	577	}
398	}	578	}
399	};	579	};
400		580
401	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
402	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
403		585
404	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
405	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
406		589
407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
435	=cut	618	=cut
436		619
437	sub sync_job(&) {	620	sub sync_job(&) {
438	my ($job) = @_;	621	my ($job) = @_;
439		622
440	if ($Coro::current == $Coro::main) {	623	if (in_main) {
441	my $time = EV::time;	624	my $time = AE::time;
442		625
443	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
444	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
445		628
446	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
447		630
448	# TODO: use suspend/resume instead
449	# (but this is cancel-safe)
450	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
451		632
452	my $busy = 1;	633	my $busy = 1;
453	my @res;	634	my @res;
454		635
455	(async {	636	(async {
456	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
457	@res = eval { $job->() };	638	@res = eval { $job->() };
458	warn $@ if $@;	639	error $@ if $@;
459	undef $busy;	640	undef $busy;
460	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
461		642
462	while ($busy) {	643	while ($busy) {
463	if (Coro::nready) {	644	if (Coro::nready) {
…		…
465	} else {	646	} else {
466	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
467	}	648	}
468	}	649	}
469		650
470	$time = EV::time - $time;	651	my $time = AE::time - $time;
471		652
472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
476		654
477	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
478	} else {	656	} else {
479	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
480		658
…		…
500	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
501		679
502	$coro	680	$coro
503	}	681	}
504		682
505	=item fork_call { }, $args	683	=item fork_call { }, @args
506		684
507	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
508	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
509	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
510	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
511		689
512	=cut	690	=cut
513		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
514	sub fork_call(&@) {	696	sub fork_call(&@) {
515	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
516		698
517	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
518	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
519	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
520		702
521	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
522	reset_signals;	704	cf::post_fork;
523	&$cb	705	&$cb
524	}, @args;	706	} @args;
525		707
526	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
527	}	747	}
528		748
529	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
530		750
531	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
541	within each server.	761	within each server.
542		762
543	=cut	763	=cut
544		764
545	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
546	my ($name) = @_;	769	my ($name) = @_;
547	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
548		771
549	eval {	772	eval {
550	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
560	}	783	}
561		784
562	our $DB;	785	our $DB;
563		786
564	sub db_init {	787	sub db_init {
565	cf::sync_job {
566	$DB ||= db_table "db";	788	$DB ||= db_table "db";
567	};
568	}	789	}
569		790
570	sub db_get($$) {	791	sub db_get($$) {
571	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
572		793
573	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
574	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
575		798
576	$! ? ()	799	$! ? ()
577	: $data	800	: $data
578	}
579	}	801	}
580		802
581	sub db_put($$$) {	803	sub db_put($$$) {
582	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
611		833
612	my @data;	834	my @data;
613	my $md5;	835	my $md5;
614		836
615	for (0 .. $#$src) {	837	for (0 .. $#$src) {
616	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
617	or Carp::croak "$src->[$_]: $!";
618	}	839	}
619		840
620	# if processing is expensive, check	841	# if processing is expensive, check
621	# checksum first	842	# checksum first
622	if (1) {	843	if (1) {
…		…
639		860
640	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
641	my $data = $process->(\@data);	862	my $data = $process->(\@data);
642	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
643		864
644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
645		866
646	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
647	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
648	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
649		870
…		…
659		880
660	=cut	881	=cut
661		882
662	sub datalog($@) {	883	sub datalog($@) {
663	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
665	}	886	}
666		887
667	=back	888	=back
668		889
669	=cut	890	=cut
670		891
671	#############################################################################	892	#############################################################################
672		893
673	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
674		895
675	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
676	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
677	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
678		899
679	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
680	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
730	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
731		952
732	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
733	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
734		955
735	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
736	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
737		958
738	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
739		960
740	=over 4	961	=over 4
…		…
864		1085
865	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
866	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
867		1088
868	} elsif (ref $type) {	1089	} elsif (ref $type) {
869	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
870		1091
871	} else {	1092	} else {
872	shift @arg;	1093	shift @arg;
873	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
874	}	1095	}
875	}	1096	}
876	}	1097	}
877		1098
878	sub _object_attach {	1099	sub _object_attach {
…		…
888	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
889	}	1110	}
890		1111
891	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
892	} else {	1113	} else {
893	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
894	}	1115	}
895		1116
896	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
897	}	1118	}
898		1119
…		…
957		1178
958	for (@$callbacks) {	1179	for (@$callbacks) {
959	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
960		1181
961	if ($@) {	1182	if ($@) {
962	warn "$@";
963	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
964	override;	1184	override;
965	}	1185	}
966		1186
967	return 1 if $override;	1187	return 1 if $override;
968	}	1188	}
969		1189
970	0	1190	0
971	}	1191	}
972		1192
973	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
974		1194
975	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
976		1196
977	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
978		1198
…		…
1031		1251
1032	sub reattach {	1252	sub reattach {
1033	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1034	my ($obj) = @_;	1254	my ($obj) = @_;
1035		1255
		1256	# no longer needed after getting rid of delete_package?
1036	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1037		1258
1038	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1039		1260
1040	@$registry = ();	1261	@$registry = ();
1041		1262
…		…
1046	for (@$attach) {	1267	for (@$attach) {
1047	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1048	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1049	}	1270	}
1050	} else {	1271	} else {
1051	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1052	}	1273	}
1053	}	1274	}
1054	}	1275	}
1055		1276
1056	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1083	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1084		1305
1085	sync_job {	1306	sync_job {
1086	if (length $$rdata) {	1307	if (length $$rdata) {
1087	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1088	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1089	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1090		1312
1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1092	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1094	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
1095	close $fh;	1320	aio_close $fh;
1096		1321
1097	if (@$objs) {	1322	if (@$objs) {
1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1099	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1101	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1102	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
1103	close $fh;	1331	aio_close $fh;
1104	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1105	}	1333	}
1106	} else {	1334	} else {
1107	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1108	}	1336	}
1109		1337
1110	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1111	} else {	1342	} else {
1112	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1113	}	1344	}
1114	} else {	1345	} else {
1115	aio_unlink $filename;	1346	aio_unlink $filename;
1116	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1117	}	1348	}
…		…
1141	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1142	$av = $st->{objs};	1373	$av = $st->{objs};
1143	}	1374	}
1144		1375
1145	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1146	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1147	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1148		1380
1149	($data, $av)	1381	($data, $av)
1150	}	1382	}
1151		1383
1152	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1208	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1209		1441
1210	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1211	}	1443	}
1212		1444
		1445	use File::Glob ();
		1446
1213	cf::player->attach (	1447	cf::player->attach (
1214	on_command => sub {	1448	on_unknown_command => sub {
1215	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1216		1450
1217	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1218	or return;	1452	or return;
1219		1453
…		…
1242		1476
1243	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1244	if $reply;	1478	if $reply;
1245		1479
1246	} else {	1480	} else {
1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1248	}	1482	}
1249		1483
1250	cf::override;	1484	cf::override;
1251	},	1485	},
1252	);	1486	);
1253		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1254	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1255	cf::sync_job {	1504	cf::sync_job {
1256	my %todo;	1505	my %todo;
1257		1506
1258	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1259	next unless -r $path;	1508	next unless -r $path;
…		…
1277		1526
1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280		1529
1281	$ext{source} =	1530	$ext{source} =
1282	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1283	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1284	. $source	1533	. $source
1285	. "\n};\n1";	1534	. "\n};\n1";
1286		1535
1287	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1288	}	1537	}
1289		1538
		1539	my $pass = 0;
1290	my %done;	1540	my %done;
1291	while (%todo) {	1541	while (%todo) {
1292	my $progress;	1542	my $progress;
1293		1543
		1544	++$pass;
		1545
		1546	ext:
1294	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1295	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1296	goto skip	1549	next ext
1297	unless exists $done{$_};	1550	unless exists $done{$_};
1298	}	1551	}
1299		1552
1300	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1301		1554
1302	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1303	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1304	: "$v->{base}: extension inactive.\n";
1305		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1306	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1307	warn $msg;	1562
1308	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1309	exit 1;	1564	delete $todo{$k};
1310	}	1565	} else {
1311		1566	$done{$k} = delete $todo{$k};
1312	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1313	}	1572	}
1314
1315	$done{$k} = delete $todo{$k};
1316	push @EXTS, $v->{pkg};
1317	$progress = 1;
1318	}	1573	}
1319		1574
1320	skip:	1575	unless ($progress) {
1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1322	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1323	}	1585	}
1324	};	1586	};
1325	}	1587	}
1326		1588
1327	#############################################################################	1589	#############################################################################
1328		1590
1329	=back	1591	=back
1330		1592
1331	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1332		1594
1333	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1334		1596
1335	=cut	1597	=cut
1336		1598
1337	package cf::player;	1599	package cf::player;
1338		1600
…		…
1381		1643
1382	sub exists($) {	1644	sub exists($) {
1383	my ($login) = @_;	1645	my ($login) = @_;
1384		1646
1385	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1386	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1387	}	1649	}
1388		1650
1389	sub find($) {	1651	sub find($) {
1390	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1391	my $login = $_[0];	1653	my $login = $_[0];
…		…
1403	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1404	or return;	1666	or return;
1405		1667
1406	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1407	or return;	1669	or return;
		1670
1408	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1409	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1410	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1411	}	1674	}
1412	}	1675	}
1413	}	1676	}
1414		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1415	sub save($) {	1691	sub save($) {
1416	my ($pl) = @_;	1692	my ($pl) = @_;
1417		1693
1418	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1419		1695
…		…
1422		1698
1423	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1424		1700
1425	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1426	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1427		1708
1428	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1429	cf::cede_to_tick;	1710	cf::cede_to_tick;
1430	}	1711	}
1431		1712
…		…
1463	my ($pl) = @_;	1744	my ($pl) = @_;
1464		1745
1465	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1466		1747
1467	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1468	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1469		1750
1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1471	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1472	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1473	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1474		1759
1475	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1476	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1477	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1515		1800
1516	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1517	my $path = path $login;	1802	my $path = path $login;
1518		1803
1519	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1520	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1522	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1523	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1524	}	1810	}
1525		1811
…		…
1529		1815
1530	\@logins	1816	\@logins
1531	}	1817	}
1532		1818
1533	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1534		1822
1535	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1536	player. May block.	1824	player. May block.
1537		1825
1538	=cut	1826	=cut
…		…
1556	}	1844	}
1557		1845
1558	\@paths	1846	\@paths
1559	}	1847	}
1560		1848
1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1562		1850
1563	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1564
1565	=cut
1566
1567	use re 'eval';
1568
1569	my $group;
1570	my $interior; $interior = qr{
1571	# match a pod interior sequence sans C<< >>
1572	(?:
1573	\ (.*?)\ (?{ $group = $^N })
1574	| < (??{$interior}) >
1575	)
1576	}x;
1577
1578	sub expand_cfpod {
1579	my ($self, $pod) = @_;
1580
1581	my $xml;
1582
1583	while () {
1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585	$group = $1;
1586
1587	$group =~ s/&/&amp;/g;
1588	$group =~ s/</&lt;/g;
1589
1590	$xml .= $group;
1591	} elsif ($pod =~ m%\G
1592	([BCGHITU])
1593	<
1594	(?:
1595	([^<>]*) (?{ $group = $^N })
1596	| < $interior >
1597	)
1598	>
1599	%gcsx
1600	) {
1601	my ($code, $data) = ($1, $group);
1602
1603	if ($code eq "B") {
1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605	} elsif ($code eq "I") {
1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607	} elsif ($code eq "U") {
1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609	} elsif ($code eq "C") {
1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611	} elsif ($code eq "T") {
1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613	} elsif ($code eq "G") {
1614	my ($male, $female) = split /\|/, $data;
1615	$data = $self->gender ? $female : $male;
1616	$xml .= expand_cfpod ($self, $data);
1617	} elsif ($code eq "H") {
1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620	"")
1621	[$self->{hintmode}];
1622	} else {
1623	$xml .= "error processing '$code($data)' directive";
1624	}
1625	} else {
1626	if ($pod =~ /\G(.+)/) {
1627	warn "parse error while expanding $pod (at $1)";
1628	}
1629	last;
1630	}
1631	}
1632
1633	for ($xml) {
1634	# create single paragraphs (very hackish)
1635	s/(?<=\S)\n(?=\w)/ /g;
1636
1637	# compress some whitespace
1638	s/\s+\n/\n/g; # ws line-ends
1639	s/\n\n+/\n/g; # double lines
1640	s/^\n+//; # beginning lines
1641	s/\n+$//; # ending lines
1642	}
1643
1644	$xml
1645	}
1646
1647	no re 'eval';
1648
1649	sub hintmode {
1650	$_[0]{hintmode} = $_[1] if @_ > 1;
1651	$_[0]{hintmode}
1652	}
1653		1852
1654	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1655		1854
1656	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1657		1856
…		…
1689		1888
1690	=cut	1889	=cut
1691		1890
1692	sub find_by_path($) {	1891	sub find_by_path($) {
1693	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1694		1895
1695	my ($match, $specificity);	1896	my ($match, $specificity);
1696		1897
1697	for my $region (list) {	1898	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1724	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1725	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1726		1927
1727	sub generate_random_map {	1928	sub generate_random_map {
1728	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1729	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1730	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1734	$rmp->{exit_on_final_map},
1735	$rmp->{xsize}, $rmp->{ysize},
1736	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1737	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1738	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1739	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1742	)
1743	}	1934	}
1744		1935
1745	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1746		1937
1747	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1752		1943
1753	sub register {	1944	sub register {
1754	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1755	my $pkg = caller;	1946	my $pkg = caller;
1756		1947
1757	no strict;
1758	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1759		1949
1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1761	}	1951	}
1762		1952
1763	# also paths starting with '/'	1953	# also paths starting with '/'
1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1765		1955
1766	sub thawer_merge {	1956	sub thawer_merge {
1767	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1768		1958
1769	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1774	}	1964	}
1775		1965
1776	sub normalise {	1966	sub normalise {
1777	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1778		1968
1779	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1780		1970
1781	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1782		1972
1783	# map plan:	1973	# map plan:
1784	#	1974	#
…		…
1799	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1800	$path = "$base/$path";	1990	$path = "$base/$path";
1801	}	1991	}
1802		1992
1803	for ($path) {	1993	for ($path) {
1804	redo if s{//}{/};
1805	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1806	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1807	}	1996	}
1808		1997
1809	$path	1998	$path
…		…
1823	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1824	return $self;	2013	return $self;
1825	}	2014	}
1826	}	2015	}
1827		2016
1828	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1829	()	2018	()
1830	}	2019	}
1831		2020
		2021	# may re-bless or do other evil things
1832	sub init {	2022	sub init {
1833	my ($self) = @_;	2023	my ($self) = @_;
1834		2024
1835	$self	2025	$self
1836	}	2026	}
…		…
1855		2045
1856	# the temporary/swap location	2046	# the temporary/swap location
1857	sub save_path {	2047	sub save_path {
1858	my ($self) = @_;	2048	my ($self) = @_;
1859		2049
1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1861	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1862	}	2052	}
1863		2053
1864	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1865	sub uniq_path {	2055	sub uniq_path {
1866	my ($self) = @_;	2056	my ($self) = @_;
1867		2057
1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1869	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1870	}
1871
1872	# and all this just because we cannot iterate over
1873	# all maps in C++...
1874	sub change_all_map_light {
1875	my ($change) = @_;
1876
1877	$_->change_map_light ($change)
1878	for grep $_->outdoor, values %cf::MAP;
1879	}	2060	}
1880		2061
1881	sub decay_objects {	2062	sub decay_objects {
1882	my ($self) = @_;	2063	my ($self) = @_;
1883		2064
…		…
1910	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1911		2092
1912	1	2093	1
1913	}	2094	}
1914		2095
		2096	# used to laod the header of an original map
1915	sub load_header_orig {	2097	sub load_header_orig {
1916	my ($self) = @_;	2098	my ($self) = @_;
1917		2099
1918	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1919	}	2101	}
1920		2102
		2103	# used to laod the header of an instantiated map
1921	sub load_header_temp {	2104	sub load_header_temp {
1922	my ($self) = @_;	2105	my ($self) = @_;
1923		2106
1924	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1925	}	2108	}
1926		2109
		2110	# called after loading the header from an instantiated map
1927	sub prepare_temp {	2111	sub prepare_temp {
1928	my ($self) = @_;	2112	my ($self) = @_;
1929		2113
1930	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1931	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1932	# safety	2116	# safety
1933	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1934	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1935	}	2119	}
1936		2120
		2121	# called after loading the header from an original map
1937	sub prepare_orig {	2122	sub prepare_orig {
1938	my ($self) = @_;	2123	my ($self) = @_;
1939		2124
1940	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1941	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1965		2150
1966	sub find;	2151	sub find;
1967	sub find {	2152	sub find {
1968	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1969		2154
		2155	cf::cede_to_tick;
		2156
1970	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1971		2158
1972	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1973	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1974		2161
1975	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1976	my $guard1 = cf::lock_acquire "map_find:$path";
1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1978
1979	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1980	or return;	2164	or return;
1981		2165
1982	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1983		2167
…		…
1985	or return;	2169	or return;
1986		2170
1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1988	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1989	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1990	undef $guard1;	2175	undef $guard1;
1991	undef $guard2;
1992	$map->reset;	2176	$map->reset;
1993	return find $path;	2177	return find $path;
1994	}	2178	}
1995		2179
1996	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1997	}	2181	}
1998	}	2182	}
1999		2183
2000	sub pre_load { }	2184	sub pre_load { }
2001	sub post_load { }	2185	#sub post_load { } # XS
2002		2186
2003	sub load {	2187	sub load {
2004	my ($self) = @_;	2188	my ($self) = @_;
2005		2189
2006	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2009		2193
2010	{	2194	{
2011	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2012		2196
2013	return unless $self->valid;	2197	return unless $self->valid;
2014	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2015
2016	$self->in_memory (cf::MAP_LOADING);
2017		2199
2018	$self->alloc;	2200	$self->alloc;
2019		2201
2020	$self->pre_load;	2202	$self->pre_load;
2021	cf::cede_to_tick;	2203	cf::cede_to_tick;
2022		2204
		2205	if (exists $self->{load_path}) {
2023	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2024	$f->skip_block;	2207	$f->skip_block;
2025	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2026	or return;	2209	or return;
2027		2210
2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2029	if delete $self->{load_original};	2212	if delete $self->{load_original};
2030		2213
2031	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2032	utf8::encode $uniq;	2215	utf8::encode $uniq;
2033	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2034	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2035	$self->clear_unique_items;	2218	$self->clear_unique_items;
2036	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2037	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2038	}	2222	}
2039	}	2223	}
2040	}
2041		2224
2042	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
2043		2232
2044	cf::cede_to_tick;	2233	cf::cede_to_tick;
2045	# now do the right thing for maps	2234	# now do the right thing for maps
2046	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2047	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2051	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2052	$self->decay_objects;	2241	$self->decay_objects;
2053	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2054	$self->update_buttons;	2243	$self->update_buttons;
2055	cf::cede_to_tick;	2244	cf::cede_to_tick;
2056	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2057	cf::cede_to_tick;
2058	$self->activate;
2059	}	2246	}
2060		2247
2061	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2062	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2063
2064	$self->in_memory (cf::MAP_IN_MEMORY);
2065	}	2250	}
2066		2251
2067	$self->post_load;	2252	$self->post_load;
2068	}
2069		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
2070	sub customise_for {	2260	sub customise_for {
2071	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2072		2262
2073	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2074	if $self->per_player;	2264	if $self->per_player;
…		…
2077	# if $self->per_party;	2267	# if $self->per_party;
2078		2268
2079	$self	2269	$self
2080	}	2270	}
2081		2271
2082	# find and load all maps in the 3x3 area around a map
2083	sub load_neighbours {
2084	my ($map) = @_;
2085
2086	my @neigh; # diagonal neighbours
2087
2088	for (0 .. 3) {
2089	my $neigh = $map->tile_path ($_)
2090	or next;
2091	$neigh = find $neigh, $map
2092	or next;
2093	$neigh->load;
2094
2095	push @neigh,
2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2098	}
2099
2100	for (grep defined $_->[0], @neigh) {
2101	my ($path, $origin) = @$_;
2102	my $neigh = find $path, $origin
2103	or next;
2104	$neigh->load;
2105	}
2106	}
2107
2108	sub find_sync {	2272	sub find_sync {
2109	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2110		2274
2111	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2112	}	2280	}
2113		2281
2114	sub do_load_sync {	2282	sub do_load_sync {
2115	my ($map) = @_;	2283	my ($map) = @_;
2116		2284
		2285	# it's a bug to call this from the main context
2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2118	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2119		2288
2120	cf::sync_job { $map->load };	2289	$map->load;
2121	}	2290	}
2122		2291
2123	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2124	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2125		2294
2126	sub find_async {	2295	sub find_async {
2127	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2128		2297
2129	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2130		2299
2131	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2133	}	2302	}
2134		2303
2135	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2136		2305
2137	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2151	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2152		2321
2153	()	2322	()
2154	}	2323	}
2155		2324
		2325	# common code, used by both ->save and ->swapout
2156	sub save {	2326	sub _save {
2157	my ($self) = @_;	2327	my ($self) = @_;
2158
2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
2160		2328
2161	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2162		2330
2163	return unless $self->dirty;	2331	return unless $self->dirty;
2164		2332
…		…
2173		2341
2174	cf::async {	2342	cf::async {
2175	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2176	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2177	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2178		2348
2179	if ($uniq) {	2349	if ($uniq) {
2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2181	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2182	} else {	2352	} else {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2184	}	2354	}
2185	}	2355	}
2186		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2187	sub swap_out {	2365	sub swap_out {
2188	my ($self) = @_;	2366	my ($self) = @_;
2189		2367
2190	# save first because save cedes
2191	$self->save;
2192
2193	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2194		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2195	return if $self->players;	2372	return if $self->players;
2196	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2197	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2198		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2199	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2200		2424
2201	$self->deactivate;	2425	$self->deactivate;
2202	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2203	$self->clear;	2427	$self->clear;
2204	}
2205
2206	sub reset_at {
2207	my ($self) = @_;
2208
2209	# TODO: safety, remove and allow resettable per-player maps
2210	return 1e99 if $self->{deny_reset};
2211
2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2214
2215	$time + $to
2216	}
2217
2218	sub should_reset {
2219	my ($self) = @_;
2220
2221	$self->reset_at <= $cf::RUNTIME
2222	}
2223
2224	sub reset {
2225	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228
2229	return if $self->players;
2230
2231	warn "resetting map ", $self->path;
2232
2233	$self->in_memory (cf::MAP_SWAPPED);
2234
2235	# need to save uniques path
2236	unless ($self->{deny_save}) {
2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
2238
2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2240	if $uniq;
2241	}
2242
2243	delete $cf::MAP{$self->path};
2244
2245	$self->deactivate;
2246	$_->clear_links_to ($self) for values %cf::MAP;
2247	$self->clear;
2248		2428
2249	$self->unlink_save;	2429	$self->unlink_save;
2250	$self->destroy;	2430	$self->destroy;
2251	}	2431	}
2252		2432
…		…
2260		2440
2261	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2262		2442
2263	$self->unlink_save;	2443	$self->unlink_save;
2264		2444
2265	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2266	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2267	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2268	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2270		2450
…		…
2319		2499
2320	sub unique_maps() {	2500	sub unique_maps() {
2321	[	2501	[
2322	map {	2502	map {
2323	utf8::decode $_;	2503	utf8::decode $_;
2324	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2325	? normalise $_	2507	: normalise $_
2326	: ()
2327	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2328	]	2509	]
2329	}	2510	}
2330		2511
2331	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2332		2543
2333	=back	2544	=back
2334		2545
2335	=head3 cf::object	2546	=head3 cf::object
2336		2547
…		…
2340		2551
2341	=over 4	2552	=over 4
2342		2553
2343	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2344		2555
2345	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2346		2558
2347	=cut	2559	=cut
2348		2560
2349	sub inv_recursive_;	2561	sub inv_recursive_;
2350	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2355	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2356	}	2568	}
2357		2569
2358	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2359		2571
2360	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2361		2573
2362	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2363		2575
2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2365	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2397	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2398	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2399		2611
2400	=cut	2612	=cut
2401		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2402	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2403	# with dialog boxes.	2629	# with dialog boxes.
2404	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2405	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2406	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2417	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419		2645
2420	} else {	2646	} else {
2421	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2422	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2423	}	2649	}
2424	}	2650	}
2425	}	2651	}
2426		2652
2427	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2452		2678
2453	=item $player_object->enter_link	2679	=item $player_object->enter_link
2454		2680
2455	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2456		2682
2457	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2458	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2459		2687
2460	Will never block.	2688	Will never block.
2461		2689
2462	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2463		2691
…		…
2483	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2484	my ($self) = @_;	2712	my ($self) = @_;
2485		2713
2486	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2487		2715
		2716	++$self->{_link_recursion};
		2717
2488	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2489		2719
2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2491	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2492		2722
2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2494	}	2724	}
2495		2725
2496	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2497	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2498		2728
…		…
2515	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2516	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2517		2747
2518	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2519	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2520	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2521		2751
2522	$map->load;	2752	$map->load;
2523	$map->load_neighbours;
2524		2753
2525	return unless $self->contr->active;	2754	return unless $self->contr->active;
2526	$self->activate_recursive;
2527		2755
2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2529	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2530	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2531		2763
		2764	}
		2765
2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2533		2767
2534	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2535	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2536	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2537	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2538	be called at the end of this process.	2772	be called at the end of this process.
2539		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2540	=cut	2777	=cut
2541		2778
2542	our $GOTOGEN;	2779	our $GOTOGEN;
2543		2780
2544	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2545	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2546		2789
2547	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2549		2792
2550	$self->enter_link;	2793	$self->enter_link;
…		…
2570	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2571	}	2814	}
2572	}	2815	}
2573		2816
2574	my $map = eval {	2817	my $map = eval {
2575	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2576		2819
2577	if ($map) {	2820	if ($map) {
2578	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2579	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2580	} else {	2823	} else {
2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582	}	2825	}
2583		2826
2584	$map	2827	$map
…		…
2592	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2593	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2594	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2595	}	2838	}
2596		2839
2597	$done->() if $done;	2840	$done->($self) if $done;
2598	})->prio (1);	2841	})->prio (1);
2599	}	2842	}
2600		2843
2601	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2602		2845
…		…
2622	}	2865	}
2623		2866
2624	sub prepare_random_map {	2867	sub prepare_random_map {
2625	my ($exit) = @_;	2868	my ($exit) = @_;
2626		2869
2627	my $guard = cf::lock_acquire "exit_prepare:$exit";
2628
2629	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2630	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2631	# that depends on the exit object	2872	# that depends on the exit object
2632		2873
2633	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2635	if ($exit->map) {	2876	if ($exit->map) {
2636	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2637	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2638	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2639	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2640	}	2883	}
2641		2884
2642	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2643		2886
2644	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2645	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2646	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2647		2890
2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2649	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2650	undef $fh;	2893	undef $fh;
2651	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2652		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2653	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2654	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2655	}	2902	}
2656	}	2903	}
2657		2904
2658	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2659	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2660		2907
2661	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2662		2909
2663	if ($exit->slaying eq "/!") {
2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
2665	# the problem is that $exit might not survive long enough
2666	# so it needs to be done right now, right here
2667	cf::sync_job { prepare_random_map $exit };
2668	}
2669
2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2671	my $hp = $exit->stats->hp;
2672	my $sp = $exit->stats->sp;
2673
2674	$self->enter_link;	2910	$self->enter_link;
2675		2911
2676	# if exit is damned, update players death & WoR home-position
2677	$self->contr->savebed ($slaying, $hp, $sp)
2678	if $exit->flag (FLAG_DAMNED);
2679
2680	(async {	2912	(async {
2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2682		2914
2683	$self->deactivate_recursive; # just to be sure
2684	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2685	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2686		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2687	1;	2951	1
2688	}) {	2952	}) {
2689	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2690	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2691	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2692	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2693		2957
2694	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2695	$self->leave_link;	2959	$self->leave_link;
2696	}	2960	}
2697	})->prio (1);	2961	})->prio (1);
2698	}	2962	}
2699		2963
…		…
2711	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2712	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2713		2977
2714	utf8::encode $text;	2978	utf8::encode $text;
2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2716	}	3005	}
2717		3006
2718	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2719		3008
2720	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2724		3013
2725	=cut	3014	=cut
2726		3015
2727	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2728	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2729	"c/identify" => {	3024	"c/identify" => {
2730	id => "infobox",	3025	id => "infobox",
2731	title => "Identify",	3026	title => "Identify",
2732	reply => undef,	3027	reply => undef,
2733	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2735	"c/examine" => {	3030	"c/examine" => {
2736	id => "infobox",	3031	id => "infobox",
2737	title => "Examine",	3032	title => "Examine",
2738	reply => undef,	3033	reply => undef,
2739	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
2740	},	3041	},
2741	"c/book" => {	3042	"c/book" => {
2742	id => "infobox",	3043	id => "infobox",
2743	title => "Book",	3044	title => "Book",
2744	reply => undef,	3045	reply => undef,
…		…
2760	id => "infobox",	3061	id => "infobox",
2761	title => "Body Parts",	3062	title => "Body Parts",
2762	reply => undef,	3063	reply => undef,
2763	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2764	},	3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
2765	"c/uptime" => {	3102	"c/uptime" => {
2766	id => "infobox",	3103	id => "infobox",
2767	title => "Uptime",	3104	title => "Uptime",
2768	reply => undef,	3105	reply => undef,
2769	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2772	id => "infobox",	3109	id => "infobox",
2773	title => "Map Info",	3110	title => "Map Info",
2774	reply => undef,	3111	reply => undef,
2775	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2776	},	3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2777	);	3128	);
2778		3129
2779	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2780	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2781		3132
2782	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2783		3135
2784	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2785		3137
2786	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2787	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2788	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2789		3141
2790	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2791	if $self->can_msg;
2792
2793	$channel = $channel->{id};	3143	$channel = $channel->{id};
2794		3144
2795	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2796	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2797	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2798	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2799	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2800	if $self->can_msg;
2801	}	3150	}
2802		3151
2803	$channel = $channel->{id};	3152	$channel = $channel->{id};
2804	}	3153	}
2805		3154
2806	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2807		3156
2808	if ($self->can_msg) {
2809	# default colour, mask it out	3157	# default colour, mask it out
2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2812		3160
2813	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2815	} else {	3164	);
2816	if ($color >= 0) {
2817	# replace some tags by gcfclient-compatible ones
2818	for ($msg) {
2819	1 while
2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825	}
2826		3165
2827	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2828
2829	utf8::encode $msg;
2830
2831	if (0 && $msg =~ /\[/) {
2832	# COMMAND/INFO
2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
2834	} else {
2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836	$self->send_packet ("drawinfo $color $msg")
2837	}
2838	}
2839	}
2840	}	3167	}
2841		3168
2842	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2843		3170
2844	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2847		3174
2848	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2849	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2850		3177
2851	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2854	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856	}	3183	}
2857	}	3184	}
2858		3185
2859	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2860		3187
…		…
2864		3191
2865	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2866	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2867		3194
2868	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2871	#TODO: version 1, remove	3198	#TODO: version 1, remove
2872	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874	}	3201	}
2875	}	3202	}
2876		3203
2877	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2878		3205
…		…
2949		3276
2950	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2951	if $reply;	3278	if $reply;
2952		3279
2953	} else {	3280	} else {
2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2955	}	3282	}
2956		3283
2957	cf::override;	3284	cf::override;
2958	},	3285	},
2959	);	3286	);
…		…
2979		3306
2980	$coro	3307	$coro
2981	}	3308	}
2982		3309
2983	cf::client->attach (	3310	cf::client->attach (
2984	on_destroy => sub {	3311	on_client_destroy => sub {
2985	my ($ns) = @_;	3312	my ($ns) = @_;
2986		3313
2987	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2988	},	3315	},
2989	);	3316	);
…		…
3005	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3006		3333
3007	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3008		3335
3009	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3010	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3011	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3012	sort time	3339	sort time
3013	));	3340	));
3014		3341
3015	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3018		3345
3019	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3020		3347
3021	cf::object	3348	cf::object
3022	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3023	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3024		3352
3025	cf::object::player	3353	cf::object::player
3026	player	3354	player
3027		3355
3028	cf::player	3356	cf::player
…		…
3033		3361
3034	=cut	3362	=cut
3035		3363
3036	for (	3364	for (
3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3039	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3040	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3041	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3042	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3043	) {	3371	) {
3044	no strict 'refs';
3045	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3046	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3047	for @funs;	3374	for @funs;
3048	}	3375	}
3049		3376
…		…
3064		3391
3065	my $qcode = $code;	3392	my $qcode = $code;
3066	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3067	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3068		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3069	local $_;	3399	local $_;
3070	local @safe::cf::_safe_eval_args = values %vars;
3071		3400
3072	my $eval =	3401	my $eval =
3073	"do {\n"	3402	"do {\n"
3074	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3075	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3076	. $code	3405	. $code
3077	. "\n}"	3406	. "\n}"
3078	;	3407	;
3079		3408
		3409	if ($CFG{safe_eval}) {
3080	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3081	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3082	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3083		3418
3084	if ($@) {	3419	if ($@) {
3085	warn "$@";	3420	warn "$@",
3086	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3087	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3088	}	3423	}
3089		3424
3090	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3091	}	3426	}
3092		3427
…		…
3106	=cut	3441	=cut
3107		3442
3108	sub register_script_function {	3443	sub register_script_function {
3109	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3110		3445
3111	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3112	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3113	}	3448	}
3114		3449
3115	=back	3450	=back
3116		3451
3117	=cut	3452	=cut
…		…
3126	# for this (global event?)	3461	# for this (global event?)
3127	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3128		3463
3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3130		3465
3131	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3132		3467
3133	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3134	0 < aio_load $path, $facedata
3135	or die "$path: $!";
3136
3137	$facedata = Coro::Storable::thaw $facedata;
3138		3469
3139	$facedata->{version} == 2	3470	$facedata->{version} == 2
3140	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3141		3472
3142	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3143	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3144	type => FT_RSRC,	3476	type => FT_RSRC,
3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3146	};	3479	};
3147	cf::cede_to_tick;	3480	cf::cede_to_tick;
3148		3481
3149	{	3482	{
3150	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
3151		3484
3152	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
3154	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3155	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3158		3493
3159	cf::cede_to_tick;	3494	cf::cede_to_tick;
3160	}	3495	}
3161		3496
3162	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
3163	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
3164	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
3165	or next;	3501	or next;
		3502
3166	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3167	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3169	} else {	3506	} else {
3170	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3171	}	3508	}
3172		3509
3173	cf::cede_to_tick;	3510	cf::cede_to_tick;
3174	}	3511	}
3175	}	3512	}
…		…
3184		3521
3185	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3186	}	3523	}
3187		3524
3188	{	3525	{
3189	# TODO: for gcfclient pleasure, we should give resources
3190	# that gcfclient doesn't grok a >10000 face index.
3191	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3192		3527
3193	my $soundconf = delete $res->{"res/sound.conf"};
3194
3195	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197	my $data;
3198		3531
3199	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3200	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
3201
3202	my $meta = $enc->encode ({
3203	name => $name,
3204	%{ $info->{meta} || {} },
3205	});
3206
3207	$data = pack "(w/a*)*", $meta, $info->{data};
3208	} else {	3534	} else {
3209	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
3210	}	3536	}
3211		3537
3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213	cf::face::set_type $idx, $info->{type};
3214
3215	cf::cede_to_tick;	3538	cf::cede_to_tick;
3216	}	3539	}
3217
3218	if ($soundconf) {
3219	$soundconf = $enc->decode (delete $soundconf->{data});
3220
3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222	my $sound = $soundconf->{compat}[$_]
3223	or next;
3224
3225	my $face = cf::face::find "sound/$sound->[1]";
3226	cf::sound::set $sound->[0] => $face;
3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228	}
3229
3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
3231	my $face = cf::face::find "sound/$v";
3232	cf::sound::set $k => $face;
3233	}
3234	}
3235	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3236		3543
3237	1	3544	1
3238	}	3545	}
3239		3546
3240	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3242		3549
3243	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3244	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3245	}	3552	}
3246	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3247		3564
3248	sub reload_regions {	3565	sub reload_regions {
3249	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3250	# for this (global event?)	3567	# for this (global event?)
3251	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3265	}	3582	}
3266		3583
3267	sub reload_archetypes {	3584	sub reload_archetypes {
3268	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3269	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3270	#d# NEED to laod twice to resolve forward references
3271	# this really needs to be done in an extra post-pass
3272	# (which needs to be synchronous, so solve it differently)
3273	load_resource_file "$DATADIR/archetypes"
3274	or die "unable to load archetypes\n";
3275	}	3587	}
3276		3588
3277	sub reload_treasures {	3589	sub reload_treasures {
3278	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3279	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3280	}	3592	}
3281		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3282	sub reload_resources {	3614	sub reload_resources {
3283	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3284		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3285	reload_regions;	3622	reload_regions;
3286	reload_facedata;
3287	#reload_archetypes;#d#
3288	reload_archetypes;
3289	reload_treasures;	3623	reload_treasures;
3290		3624
3291	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3292	}
3293
3294	sub init {
3295	reload_resources;
3296	}	3626	}
3297		3627
3298	sub reload_config {	3628	sub reload_config {
3299	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3300	or return;
3301		3630
3302	local $/;	3631	my $config = load_file "$CONFDIR/config";
3303	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3304		3634
3305	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3306		3636
3307	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3308	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3309		3639
3310	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3314	};	3644	};
3315	warn $@ if $@;	3645	warn $@ if $@;
3316	}	3646	}
3317	}	3647	}
3318		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3319	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3320	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3321	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3323	(async {	3690	(async {
3324	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3325	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3326	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3327	};	3694	};
3328		3695
		3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
3329	reload_config;	3708	reload_config;
3330	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3331	load_extensions;	3719	load_extensions;
3332		3720
3333	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3722
3335	EV::loop;	3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3336	}	3738	}
3337		3739
3338	#############################################################################	3740	#############################################################################
3339	# initialisation and cleanup	3741	# initialisation and cleanup
3340		3742
3341	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3342	BEGIN {	3744	BEGIN {
3343	our %SIGWATCHER = ();	3745	our %SIGWATCHER = ();
3344	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3346	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3347	};	3749	};
3348	}	3750	}
3349	}	3751	}
3350		3752
3351	sub write_runtime {	3753	sub write_runtime_sync {
3352	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3353		3755
3354	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3355	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3356		3758
3357	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3358		3760
3359	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3360		3762
3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3362	or return;	3764	or return;
3363		3765
3364	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3365	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3366	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3376	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3377		3779
3378	close $fh	3780	close $fh
3379	or return;	3781	or return;
3380		3782
3381	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3382	and return;	3784	and return;
3383		3785
3384	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3385		3787
3386	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3387	}	3839	}
3388		3840
3389	sub emergency_save() {	3841	sub emergency_save() {
3390	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3391		3843
3392	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3393		3850
3394	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3395	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3396	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3397	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3398	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3399	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3400	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3401	$pl->valid or next;	3860	$pl->valid or next;
3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3403	$pl->save;	3862	$pl->save;
3404	}	3863	}
3405	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3406		3865
3407	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3408	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3409	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3410	$map->valid or next;	3871	$map->valid or next;
3411	$map->save;	3872	$map->save;
3412	}	3873	}
3413	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3414		3875
3415	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3416	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3417	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3418	};	3904	};
3419		3905
3420	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3421	}	3907	}
3422		3908
3423	sub post_cleanup {	3909	sub post_cleanup {
3424	my ($make_core) = @_;	3910	my ($make_core) = @_;
3425		3911
		3912	IO::AIO::flush;
		3913
3426	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3427	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3428	}	3944	}
3429		3945
3430	sub do_reload_perl() {	3946	sub do_reload_perl() {
3431	# can/must only be called in main	3947	# can/must only be called in main
3432	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3433	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3434	return;	3950	return;
3435	}	3951	}
3436		3952
3437	warn "reloading...";	3953	return if $RELOAD++;
3438		3954
3439	warn "entering sync_job";	3955	my $t1 = AE::time;
3440		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3441	cf::sync_job {	3963	cf::sync_job {
3442	cf::write_runtime; # external watchdog should not bark
3443	cf::emergency_save;	3964	#cf::emergency_save;
3444	cf::write_runtime; # external watchdog should not bark
3445		3965
3446	warn "syncing database to disk";
3447	BDB::db_env_txn_checkpoint $DB_ENV;
3448
3449	# if anything goes wrong in here, we should simply crash as we already saved
3450
3451	warn "flushing outstanding aio requests";
3452	for (;;) {
3453	BDB::flush;
3454	IO::AIO::flush;
3455	Coro::cede_notself;
3456	last unless IO::AIO::nreqs || BDB::nreqs;
3457	warn "iterate...";
3458	}
3459
3460	++$RELOAD;
3461
3462	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3463	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3464	%EXT_CORO = ();	3968	%EXT_CORO = ();
3465		3969
3466	warn "removing commands";	3970	trace "perl_reload: removing commands";
3467	%COMMAND = ();	3971	%COMMAND = ();
3468		3972
3469	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3470	%EXTCMD = ();	3974	%EXTCMD = ();
3471	%EXTICMD = ();	3975	%EXTICMD = ();
3472		3976
3473	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3474	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3475	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3476		3980
3477	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3478	eval {	3982	eval {
3479	$cb->($pkg);	3983	$cb->($pkg);
3480	1	3984	1
3481	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3482	}	3990	}
3483		3991
3484	warn "... nuking $pkg";
3485	Symbol::delete_package $pkg;
3486	}
3487
3488	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3489	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3490	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3491		3995
3492	warn "... unloading $k";	3996	trace "... unloading $k";
3493	delete $INC{$k};	3997	delete $INC{$k};
3494		3998
3495	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3496	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3497		4001
3498	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3499	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3500	}	4007	}
3501		4008
3502	Symbol::delete_package $k;
3503	}
3504
3505	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3506	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3508		4012
3509	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3510	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3511	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3512		4016
3513	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3514	# and global variables created in xs	4018	# and global variables created in xs
3515	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3516		4020
3517	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3518		4022
3519	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3520	require cf;	4024	require cf;
3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3522		4026
3523	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3524	cf::reload_config;	4028	cf::reload_config;
3525		4029
3526	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3527	cf::load_extensions;	4031	cf::load_extensions;
3528		4032
		4033	if ($REATTACH_ON_RELOAD) {
3529	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3530	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3531	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3532	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3533	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3534	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3535		4041
3536	warn "leaving sync_job";	4042	cf::_post_init 1;
3537		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3538	1	4046	1
3539	} or do {	4047	} or do {
3540	warn $@;	4048	error $@;
3541	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3542	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3543	};	4053	}
3544		4054
3545	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3546	};	4057	};
3547		4058
3548	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3549		4060
3550	sub reload_perl() {	4061	sub reload_perl() {
3551	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3552	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3553		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3556	do_reload_perl;	4071	};
3557	};	4072	};
3558	}	4073	}
3559		4074
3560	register_command "reload" => sub {	4075	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
…		…
3567	reload_perl;	4082	reload_perl;
3568	};	4083	};
3569	}	4084	}
3570	};	4085	};
3571		4086
3572	unshift @INC, $LIBDIR;	4087	#############################################################################
3573		4088
3574	my $bug_warning = 0;	4089	my $bug_warning = 0;
3575		4090
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4091	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4093
3583	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4095	}
3587		4096
3588	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4099
3592	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4102	$signal->wait;
3595	}	4103	}
3596		4104
3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4105	sub tick {
3598	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3600	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3601	return;	4109	return;
3602	}	4110	}
3603		4111
3604	$NOW = $tick_start = EV::now;	4112	cf::one_tick; # one server iteration
3605		4113
3606	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3607
3608	$RUNTIME += $TICK;
3609	$NEXT_TICK += $TICK;
3610		4115
3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3612	$NEXT_RUNTIME_WRITE = $NOW + 10;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3613	Coro::async_pool {	4118	Coro::async_pool {
3614	$Coro::current->{desc} = "runtime saver";	4119	$Coro::current->{desc} = "runtime saver";
3615	write_runtime	4120	write_runtime_sync
3616	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
3617	};	4122	};
3618	}	4123	}
3619		4124
3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3621	$sig->send;	4126	$sig->send;
3622	}	4127	}
3623	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3624	$sig->send;
3625	}
3626		4129
3627	$LOAD = ($NOW - $tick_start) / $TICK;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629		4132
3630	_post_tick;	4133	if (0) {
3631	};	4134	if ($NEXT_TICK) {
3632	$TICK_WATCHER->priority (EV::MAXPRI);	4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
		4139	}
		4140	}
3633		4141
3634	{	4142	{
		4143	# configure BDB
		4144
3635	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3636	BDB::max_poll_reqs $TICK * 0.1;	4146	BDB::max_poll_reqs $TICK * 0.1;
		4147	#$AnyEvent::BDB::WATCHER->priority (1);
3637		4148
3638	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3639	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
3640	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3641	| BDB::LOG_AUTOREMOVE, 1);	4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3642	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3643	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3644		4156
3645	cf::sync_job {	4157	cf::sync_job {
3646	eval {	4158	eval {
…		…
3668	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3669	};	4181	};
3670	}	4182	}
3671		4183
3672	{	4184	{
		4185	# configure IO::AIO
		4186
3673	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3674
3675	undef $Coro::AIO::WATCHER;
3676	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3677	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4189	undef $AnyEvent::AIO::WATCHER;
3678	}	4190	}
3679		4191
3680	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3681		4194
3682	sub _log_backtrace {	4195	sub _log_backtrace {
3683	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3684		4197
3685	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3686		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3687	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3688	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3689	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3690	async {	4208	async {
3691	$Coro::current->{desc} = "abt $msg";	4209	$Coro::current->{desc} = "abt $msg";
3692		4210
3693	my @bt = fork_call {	4211	my @bt = fork_call {
3694	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
…		…
3705	}	4223	}
3706		4224
3707	@funcs	4225	@funcs
3708	};	4226	};
3709		4227
3710	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3711	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3712	--$_log_backtrace;	4231	--$_log_backtrace;
3713	};	4232	};
3714	} else {	4233	} else {
3715	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3716	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3717	}	4236	}
3718	}	4237	}
3719		4238
3720	# load additional modules	4239	# load additional modules
3721	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3722		4242
3723	END { cf::emergency_save }	4243	END { cf::emergency_save }
3724		4244
3725	1	4245	1
3726		4246

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