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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 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 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
44	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
89		134
90	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
92		139
93	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
94	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
95	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
96		143
97	# 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 ∕
98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
99		146
100	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)
101	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
102	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
103		159
104	binmode STDOUT;	160	binmode STDOUT;
105	binmode STDERR;	161	binmode STDERR;
106		162
107	# read virtual server time, if available	163	# read virtual server time, if available
108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
109	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
110	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
111	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
112	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
113		171
114	mkdir $_	172	mkdir $_
115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
116		174
117	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
118		176
119	sub cf::map::normalise;	177	sub cf::map::normalise;
120		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
121	#############################################################################	183	#############################################################################
122		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
123	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
124		197
125	=over 4	198	=over 4
126		199
127	=item $cf::UPTIME	200	=item $cf::UPTIME
128		201
129	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.
130		218
131	=item $cf::RUNTIME	219	=item $cf::RUNTIME
132		220
133	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
134	every server tick.	222	every server tick.
…		…
140	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
143	database environment.	231	database environment.
144		232
145	=item $cf::NOW
146
147	The time of the last (current) server tick.
148
149	=item $cf::TICK
150
151	The interval between server ticks, in seconds.
152
153	=item $cf::LOADAVG	233	=item $cf::LOADAVG
154		234
155	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
156	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
157	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
166	from wherever your confdir points to.	246	from wherever your confdir points to.
167		247
168	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
169		249
170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
171	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
173		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
174	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
175		272
176	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
177	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
178	that call.	275	that call.
179		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
180	=back	283	=back
181		284
182	=cut	285	=cut
183		286
184	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
185	*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 {
186	my $msg = join "", @_;	294	my $msg = join "", @_;
187		295
188	$msg .= "\n"	296	$msg .= "\n"
189	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
190		298
191	$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;
192		300
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	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	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$EV::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$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;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		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
251	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
261	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
262		402
263	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
265		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
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
277	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
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	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.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		492
292	sub lock_wait($) {	493	sub lock_wait($) {
293	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	495	}
306		496
307	sub lock_acquire($) {	497	sub lock_acquire($) {
308	my ($key) = @_;	498	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	499	}
322		500
323	sub lock_active($) {	501	sub lock_active($) {
324	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	503	}
328		504
329	sub freeze_mainloop {	505	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
331		507
332	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;
334	};
335	$TICK_WATCHER->stop;
336	$guard
337	}	509	}
338		510
339	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
340		512
341	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
342	get spread over timer.	514	get spread over time.
343		515
344	=cut	516	=cut
345		517
346	sub periodic($$) {	518	sub periodic($$) {
347	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
351	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
352	}	524	}
353		525
354	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
355		527
356	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
357	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
358	of cpu time till the next tick. The slot is only valid till the next cede.	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.
359		535
360	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
361	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
362		538
363	Useful for short background jobs.	539	Useful for short background jobs.
364		540
365	=cut	541	=cut
366		542
367	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
368	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
369		546
370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
372	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
373		550
374	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
375		553
376	while () {	554	while () {
377	next_job:	555	next_job:
		556
378	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
379	if ($avail > 0.01) {	558
380	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
381	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
382	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
383	$job->[2]->send;	563	$job->[2]->send;
384	Coro::cede;	564	Coro::cede;
385	goto next_job;	565	goto next_job;
386	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
387	}	568	}
388	}	569	}
389		570
390	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
391	# 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
392	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
393	$signal->wait;
394	} else {	574	} else {
		575	$busy = 0;
395	Coro::schedule;	576	Coro::schedule;
396	}	577	}
397	}	578	}
398	};	579	};
399		580
400	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
401	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
402		585
403	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
404	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
405		589
406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
434	=cut	618	=cut
435		619
436	sub sync_job(&) {	620	sub sync_job(&) {
437	my ($job) = @_;	621	my ($job) = @_;
438		622
439	if ($Coro::current == $Coro::main) {	623	if (in_main) {
440	my $time = EV::time;	624	my $time = AE::time;
441		625
442	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
443	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
444		628
445	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
446		630
447	# TODO: use suspend/resume instead
448	# (but this is cancel-safe)
449	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
450		632
451	my $busy = 1;	633	my $busy = 1;
452	my @res;	634	my @res;
453		635
454	(async {	636	(async {
455	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
456	@res = eval { $job->() };	638	@res = eval { $job->() };
457	warn $@ if $@;	639	error $@ if $@;
458	undef $busy;	640	undef $busy;
459	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
460		642
461	while ($busy) {	643	while ($busy) {
462	if (Coro::nready) {	644	if (Coro::nready) {
…		…
464	} else {	646	} else {
465	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
466	}	648	}
467	}	649	}
468		650
469	$time = EV::time - $time;	651	my $time = AE::time - $time;
470		652
471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
475		654
476	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
477	} else {	656	} else {
478	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
479		658
…		…
499	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
500		679
501	$coro	680	$coro
502	}	681	}
503		682
504	=item fork_call { }, $args	683	=item fork_call { }, @args
505		684
506	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
507	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
508	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
509	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
510		689
511	=cut	690	=cut
512		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
513	sub fork_call(&@) {	696	sub fork_call(&@) {
514	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
515		698
516	# 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,
517	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
518	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
519		702
520	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
521	reset_signals;	704	cf::post_fork;
522	&$cb	705	&$cb
523	}, @args;	706	} @args;
524		707
525	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
526	}	747	}
527		748
528	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
529		750
530	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
540	within each server.	761	within each server.
541		762
542	=cut	763	=cut
543		764
544	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
545	my ($name) = @_;	769	my ($name) = @_;
546	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
547		771
548	eval {	772	eval {
549	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
559	}	783	}
560		784
561	our $DB;	785	our $DB;
562		786
563	sub db_init {	787	sub db_init {
564	cf::sync_job {
565	$DB ||= db_table "db";	788	$DB ||= db_table "db";
566	};
567	}	789	}
568		790
569	sub db_get($$) {	791	sub db_get($$) {
570	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
571		793
572	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
573	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
574		798
575	$! ? ()	799	$! ? ()
576	: $data	800	: $data
577	}
578	}	801	}
579		802
580	sub db_put($$$) {	803	sub db_put($$$) {
581	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
610		833
611	my @data;	834	my @data;
612	my $md5;	835	my $md5;
613		836
614	for (0 .. $#$src) {	837	for (0 .. $#$src) {
615	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
616	or Carp::croak "$src->[$_]: $!";
617	}	839	}
618		840
619	# if processing is expensive, check	841	# if processing is expensive, check
620	# checksum first	842	# checksum first
621	if (1) {	843	if (1) {
…		…
638		860
639	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
640	my $data = $process->(\@data);	862	my $data = $process->(\@data);
641	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
642		864
643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
644		866
645	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
646	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
647	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
648		870
…		…
658		880
659	=cut	881	=cut
660		882
661	sub datalog($@) {	883	sub datalog($@) {
662	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
664	}	886	}
665		887
666	=back	888	=back
667		889
668	=cut	890	=cut
669		891
670	#############################################################################	892	#############################################################################
671		893
672	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
673		895
674	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
675	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")
676	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
677		899
678	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>
679	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
…		…
729	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
730		952
731	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
732	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
733		955
734	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
735	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
736		958
737	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
738		960
739	=over 4	961	=over 4
…		…
863		1085
864	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
865	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
866		1088
867	} elsif (ref $type) {	1089	} elsif (ref $type) {
868	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
869		1091
870	} else {	1092	} else {
871	shift @arg;	1093	shift @arg;
872	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
873	}	1095	}
874	}	1096	}
875	}	1097	}
876		1098
877	sub _object_attach {	1099	sub _object_attach {
…		…
887	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
888	}	1110	}
889		1111
890	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
891	} else {	1113	} else {
892	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
893	}	1115	}
894		1116
895	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
896	}	1118	}
897		1119
…		…
956		1178
957	for (@$callbacks) {	1179	for (@$callbacks) {
958	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
959		1181
960	if ($@) {	1182	if ($@) {
961	warn "$@";
962	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
963	override;	1184	override;
964	}	1185	}
965		1186
966	return 1 if $override;	1187	return 1 if $override;
967	}	1188	}
968		1189
969	0	1190	0
970	}	1191	}
971		1192
972	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
973		1194
974	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
975		1196
976	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
977		1198
…		…
1030		1251
1031	sub reattach {	1252	sub reattach {
1032	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1033	my ($obj) = @_;	1254	my ($obj) = @_;
1034		1255
		1256	# no longer needed after getting rid of delete_package?
1035	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
1036		1258
1037	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1038		1260
1039	@$registry = ();	1261	@$registry = ();
1040		1262
…		…
1045	for (@$attach) {	1267	for (@$attach) {
1046	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1047	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1048	}	1270	}
1049	} else {	1271	} else {
1050	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1051	}	1273	}
1052	}	1274	}
1053	}	1275	}
1054		1276
1055	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1082	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1083		1305
1084	sync_job {	1306	sync_job {
1085	if (length $$rdata) {	1307	if (length $$rdata) {
1086	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1087	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1088	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1089		1312
1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1091	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1093	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	}
1094	close $fh;	1320	aio_close $fh;
1095		1321
1096	if (@$objs) {	1322	if (@$objs) {
1097	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) {
1098	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1100	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1101	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	}
1102	close $fh;	1331	aio_close $fh;
1103	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1104	}	1333	}
1105	} else {	1334	} else {
1106	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1107	}	1336	}
1108		1337
1109	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1110	} else {	1342	} else {
1111	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1112	}	1344	}
1113	} else {	1345	} else {
1114	aio_unlink $filename;	1346	aio_unlink $filename;
1115	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1116	}	1348	}
…		…
1140	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1141	$av = $st->{objs};	1373	$av = $st->{objs};
1142	}	1374	}
1143		1375
1144	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1145	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1146	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1147		1380
1148	($data, $av)	1381	($data, $av)
1149	}	1382	}
1150		1383
1151	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1207	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1208		1441
1209	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1210	}	1443	}
1211		1444
		1445	use File::Glob ();
		1446
1212	cf::player->attach (	1447	cf::player->attach (
1213	on_command => sub {	1448	on_unknown_command => sub {
1214	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1215		1450
1216	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1217	or return;	1452	or return;
1218		1453
…		…
1241		1476
1242	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1243	if $reply;	1478	if $reply;
1244		1479
1245	} else {	1480	} else {
1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1247	}	1482	}
1248		1483
1249	cf::override;	1484	cf::override;
1250	},	1485	},
1251	);	1486	);
1252		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
1253	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1254	cf::sync_job {	1504	cf::sync_job {
1255	my %todo;	1505	my %todo;
1256		1506
1257	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1258	next unless -r $path;	1508	next unless -r $path;
…		…
1276		1526
1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279		1529
1280	$ext{source} =	1530	$ext{source} =
1281	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1282	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1283	. $source	1533	. $source
1284	. "\n};\n1";	1534	. "\n};\n1";
1285		1535
1286	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1287	}	1537	}
1288		1538
		1539	my $pass = 0;
1289	my %done;	1540	my %done;
1290	while (%todo) {	1541	while (%todo) {
1291	my $progress;	1542	my $progress;
1292		1543
		1544	++$pass;
		1545
		1546	ext:
1293	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1294	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1295	goto skip	1549	next ext
1296	unless exists $done{$_};	1550	unless exists $done{$_};
1297	}	1551	}
1298		1552
1299	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1300		1554
1301	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1302	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1303	: "$v->{base}: extension inactive.\n";
1304		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1305	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1306	warn $msg;	1562
1307	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1308	exit 1;	1564	delete $todo{$k};
1309	}	1565	} else {
1310		1566	$done{$k} = delete $todo{$k};
1311	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1312	}	1572	}
1313
1314	$done{$k} = delete $todo{$k};
1315	push @EXTS, $v->{pkg};
1316	$progress = 1;
1317	}	1573	}
1318		1574
1319	skip:	1575	unless ($progress) {
1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1321	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	}
1322	}	1585	}
1323	};	1586	};
1324	}	1587	}
1325		1588
1326	#############################################################################	1589	#############################################################################
1327		1590
1328	=back	1591	=back
1329		1592
1330	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1331		1594
1332	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1333		1596
1334	=cut	1597	=cut
1335		1598
1336	package cf::player;	1599	package cf::player;
1337		1600
…		…
1380		1643
1381	sub exists($) {	1644	sub exists($) {
1382	my ($login) = @_;	1645	my ($login) = @_;
1383		1646
1384	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1385	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1386	}	1649	}
1387		1650
1388	sub find($) {	1651	sub find($) {
1389	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1390	my $login = $_[0];	1653	my $login = $_[0];
…		…
1402	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1403	or return;	1666	or return;
1404		1667
1405	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1406	or return;	1669	or return;
		1670
1407	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1408	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1409	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1410	}	1674	}
1411	}	1675	}
1412	}	1676	}
1413		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
1414	sub save($) {	1691	sub save($) {
1415	my ($pl) = @_;	1692	my ($pl) = @_;
1416		1693
1417	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1418		1695
…		…
1421		1698
1422	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1423		1700
1424	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1425	$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];
1426		1708
1427	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1428	cf::cede_to_tick;	1710	cf::cede_to_tick;
1429	}	1711	}
1430		1712
…		…
1462	my ($pl) = @_;	1744	my ($pl) = @_;
1463		1745
1464	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1465		1747
1466	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1467	$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
1468		1750
1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1470	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1471	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1472	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1473		1759
1474	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1475	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1476	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1514		1800
1515	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1516	my $path = path $login;	1802	my $path = path $login;
1517		1803
1518	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1519	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1521	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1522	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1523	}	1810	}
1524		1811
…		…
1528		1815
1529	\@logins	1816	\@logins
1530	}	1817	}
1531		1818
1532	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1533		1822
1534	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1535	player. May block.	1824	player. May block.
1536		1825
1537	=cut	1826	=cut
…		…
1555	}	1844	}
1556		1845
1557	\@paths	1846	\@paths
1558	}	1847	}
1559		1848
1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1561		1850
1562	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1563
1564	=cut
1565
1566	use re 'eval';
1567
1568	my $group;
1569	my $interior; $interior = qr{
1570	# match a pod interior sequence sans C<< >>
1571	(?:
1572	\ (.*?)\ (?{ $group = $^N })
1573	| < (??{$interior}) >
1574	)
1575	}x;
1576
1577	sub expand_cfpod {
1578	my ($self, $pod) = @_;
1579
1580	my $xml;
1581
1582	while () {
1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584	$group = $1;
1585
1586	$group =~ s/&/&amp;/g;
1587	$group =~ s/</&lt;/g;
1588
1589	$xml .= $group;
1590	} elsif ($pod =~ m%\G
1591	([BCGHITU])
1592	<
1593	(?:
1594	([^<>]*) (?{ $group = $^N })
1595	| < $interior >
1596	)
1597	>
1598	%gcsx
1599	) {
1600	my ($code, $data) = ($1, $group);
1601
1602	if ($code eq "B") {
1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604	} elsif ($code eq "I") {
1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606	} elsif ($code eq "U") {
1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608	} elsif ($code eq "C") {
1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610	} elsif ($code eq "T") {
1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612	} elsif ($code eq "G") {
1613	my ($male, $female) = split /\|/, $data;
1614	$data = $self->gender ? $female : $male;
1615	$xml .= expand_cfpod ($self, $data);
1616	} elsif ($code eq "H") {
1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619	"")
1620	[$self->{hintmode}];
1621	} else {
1622	$xml .= "error processing '$code($data)' directive";
1623	}
1624	} else {
1625	if ($pod =~ /\G(.+)/) {
1626	warn "parse error while expanding $pod (at $1)";
1627	}
1628	last;
1629	}
1630	}
1631
1632	for ($xml) {
1633	# create single paragraphs (very hackish)
1634	s/(?<=\S)\n(?=\w)/ /g;
1635
1636	# compress some whitespace
1637	s/\s+\n/\n/g; # ws line-ends
1638	s/\n\n+/\n/g; # double lines
1639	s/^\n+//; # beginning lines
1640	s/\n+$//; # ending lines
1641	}
1642
1643	$xml
1644	}
1645
1646	no re 'eval';
1647
1648	sub hintmode {
1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1650	$_[0]{hintmode}
1651	}
1652		1852
1653	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1654		1854
1655	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1656		1856
…		…
1688		1888
1689	=cut	1889	=cut
1690		1890
1691	sub find_by_path($) {	1891	sub find_by_path($) {
1692	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1693		1895
1694	my ($match, $specificity);	1896	my ($match, $specificity);
1695		1897
1696	for my $region (list) {	1898	for my $region (list) {
1697	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1723	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1724	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1725		1927
1726	sub generate_random_map {	1928	sub generate_random_map {
1727	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1728	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1729	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1733	$rmp->{exit_on_final_map},
1734	$rmp->{xsize}, $rmp->{ysize},
1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1741	)
1742	}	1934	}
1743		1935
1744	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1745		1937
1746	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
…		…
1751		1943
1752	sub register {	1944	sub register {
1753	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1754	my $pkg = caller;	1946	my $pkg = caller;
1755		1947
1756	no strict;
1757	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1758		1949
1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1760	}	1951	}
1761		1952
1762	# also paths starting with '/'	1953	# also paths starting with '/'
1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1764		1955
1765	sub thawer_merge {	1956	sub thawer_merge {
1766	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1767		1958
1768	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1773	}	1964	}
1774		1965
1775	sub normalise {	1966	sub normalise {
1776	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1777		1968
1778	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1779		1970
1780	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1781		1972
1782	# map plan:	1973	# map plan:
1783	#	1974	#
…		…
1798	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1799	$path = "$base/$path";	1990	$path = "$base/$path";
1800	}	1991	}
1801		1992
1802	for ($path) {	1993	for ($path) {
1803	redo if s{//}{/};
1804	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1805	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1806	}	1996	}
1807		1997
1808	$path	1998	$path
…		…
1822	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1823	return $self;	2013	return $self;
1824	}	2014	}
1825	}	2015	}
1826		2016
1827	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1828	()	2018	()
1829	}	2019	}
1830		2020
		2021	# may re-bless or do other evil things
1831	sub init {	2022	sub init {
1832	my ($self) = @_;	2023	my ($self) = @_;
1833		2024
1834	$self	2025	$self
1835	}	2026	}
…		…
1854		2045
1855	# the temporary/swap location	2046	# the temporary/swap location
1856	sub save_path {	2047	sub save_path {
1857	my ($self) = @_;	2048	my ($self) = @_;
1858		2049
1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1860	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1861	}	2052	}
1862		2053
1863	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1864	sub uniq_path {	2055	sub uniq_path {
1865	my ($self) = @_;	2056	my ($self) = @_;
1866		2057
1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1868	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1869	}
1870
1871	# and all this just because we cannot iterate over
1872	# all maps in C++...
1873	sub change_all_map_light {
1874	my ($change) = @_;
1875
1876	$_->change_map_light ($change)
1877	for grep $_->outdoor, values %cf::MAP;
1878	}	2060	}
1879		2061
1880	sub decay_objects {	2062	sub decay_objects {
1881	my ($self) = @_;	2063	my ($self) = @_;
1882		2064
…		…
1909	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1910		2092
1911	1	2093	1
1912	}	2094	}
1913		2095
		2096	# used to laod the header of an original map
1914	sub load_header_orig {	2097	sub load_header_orig {
1915	my ($self) = @_;	2098	my ($self) = @_;
1916		2099
1917	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1918	}	2101	}
1919		2102
		2103	# used to laod the header of an instantiated map
1920	sub load_header_temp {	2104	sub load_header_temp {
1921	my ($self) = @_;	2105	my ($self) = @_;
1922		2106
1923	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1924	}	2108	}
1925		2109
		2110	# called after loading the header from an instantiated map
1926	sub prepare_temp {	2111	sub prepare_temp {
1927	my ($self) = @_;	2112	my ($self) = @_;
1928		2113
1929	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1930	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1931	# safety	2116	# safety
1932	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1933	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1934	}	2119	}
1935		2120
		2121	# called after loading the header from an original map
1936	sub prepare_orig {	2122	sub prepare_orig {
1937	my ($self) = @_;	2123	my ($self) = @_;
1938		2124
1939	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1940	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1964		2150
1965	sub find;	2151	sub find;
1966	sub find {	2152	sub find {
1967	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1968		2154
		2155	cf::cede_to_tick;
		2156
1969	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1970		2158
1971	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1972	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1973		2161
1974	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1975	my $guard1 = cf::lock_acquire "map_find:$path";
1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1978	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1979	or return;	2164	or return;
1980		2165
1981	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1982		2167
…		…
1984	or return;	2169	or return;
1985		2170
1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1987	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1988	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1989	undef $guard1;	2175	undef $guard1;
1990	undef $guard2;
1991	$map->reset;	2176	$map->reset;
1992	return find $path;	2177	return find $path;
1993	}	2178	}
1994		2179
1995	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1996	}	2181	}
1997	}	2182	}
1998		2183
1999	sub pre_load { }	2184	sub pre_load { }
2000	sub post_load { }	2185	#sub post_load { } # XS
2001		2186
2002	sub load {	2187	sub load {
2003	my ($self) = @_;	2188	my ($self) = @_;
2004		2189
2005	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2008		2193
2009	{	2194	{
2010	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2011		2196
2012	return unless $self->valid;	2197	return unless $self->valid;
2013	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2014
2015	$self->in_memory (cf::MAP_LOADING);
2016		2199
2017	$self->alloc;	2200	$self->alloc;
2018		2201
2019	$self->pre_load;	2202	$self->pre_load;
2020	cf::cede_to_tick;	2203	cf::cede_to_tick;
2021		2204
		2205	if (exists $self->{load_path}) {
2022	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2023	$f->skip_block;	2207	$f->skip_block;
2024	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2025	or return;	2209	or return;
2026		2210
2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2028	if delete $self->{load_original};	2212	if delete $self->{load_original};
2029		2213
2030	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2031	utf8::encode $uniq;	2215	utf8::encode $uniq;
2032	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2033	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2034	$self->clear_unique_items;	2218	$self->clear_unique_items;
2035	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2036	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2037	}	2222	}
2038	}	2223	}
2039	}
2040		2224
2041	$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);
2042		2232
2043	cf::cede_to_tick;	2233	cf::cede_to_tick;
2044	# now do the right thing for maps	2234	# now do the right thing for maps
2045	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2046	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2050	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2051	$self->decay_objects;	2241	$self->decay_objects;
2052	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2053	$self->update_buttons;	2243	$self->update_buttons;
2054	cf::cede_to_tick;	2244	cf::cede_to_tick;
2055	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2056	cf::cede_to_tick;
2057	$self->activate;
2058	}	2246	}
2059		2247
2060	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2061	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2062
2063	$self->in_memory (cf::MAP_IN_MEMORY);
2064	}	2250	}
2065		2251
2066	$self->post_load;	2252	$self->post_load;
2067	}
2068		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
2069	sub customise_for {	2260	sub customise_for {
2070	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2071		2262
2072	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2073	if $self->per_player;	2264	if $self->per_player;
…		…
2076	# if $self->per_party;	2267	# if $self->per_party;
2077		2268
2078	$self	2269	$self
2079	}	2270	}
2080		2271
2081	# find and load all maps in the 3x3 area around a map
2082	sub load_neighbours {
2083	my ($map) = @_;
2084
2085	my @neigh; # diagonal neighbours
2086
2087	for (0 .. 3) {
2088	my $neigh = $map->tile_path ($_)
2089	or next;
2090	$neigh = find $neigh, $map
2091	or next;
2092	$neigh->load;
2093
2094	push @neigh,
2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2097	}
2098
2099	for (grep defined $_->[0], @neigh) {
2100	my ($path, $origin) = @$_;
2101	my $neigh = find $path, $origin
2102	or next;
2103	$neigh->load;
2104	}
2105	}
2106
2107	sub find_sync {	2272	sub find_sync {
2108	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2109		2274
2110	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
2111	}	2280	}
2112		2281
2113	sub do_load_sync {	2282	sub do_load_sync {
2114	my ($map) = @_;	2283	my ($map) = @_;
2115		2284
		2285	# it's a bug to call this from the main context
2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2117	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2118		2288
2119	cf::sync_job { $map->load };	2289	$map->load;
2120	}	2290	}
2121		2291
2122	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2123	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2124		2294
2125	sub find_async {	2295	sub find_async {
2126	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2127		2297
2128	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2129		2299
2130	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2132	}	2302	}
2133		2303
2134	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2135		2305
2136	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2150	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2151		2321
2152	()	2322	()
2153	}	2323	}
2154		2324
		2325	# common code, used by both ->save and ->swapout
2155	sub save {	2326	sub _save {
2156	my ($self) = @_;	2327	my ($self) = @_;
2157
2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
2159		2328
2160	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2161		2330
2162	return unless $self->dirty;	2331	return unless $self->dirty;
2163		2332
…		…
2172		2341
2173	cf::async {	2342	cf::async {
2174	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2175	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2176	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2177		2348
2178	if ($uniq) {	2349	if ($uniq) {
2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2181	} else {	2352	} else {
2182	$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);
2183	}	2354	}
2184	}	2355	}
2185		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2186	sub swap_out {	2365	sub swap_out {
2187	my ($self) = @_;	2366	my ($self) = @_;
2188		2367
2189	# save first because save cedes
2190	$self->save;
2191
2192	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2193		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2194	return if $self->players;	2372	return if $self->players;
2195	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
2196	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2197		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
2198	$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};
2199		2424
2200	$self->deactivate;	2425	$self->deactivate;
2201	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2202	$self->clear;	2427	$self->clear;
2203	}
2204
2205	sub reset_at {
2206	my ($self) = @_;
2207
2208	# TODO: safety, remove and allow resettable per-player maps
2209	return 1e99 if $self->{deny_reset};
2210
2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2213
2214	$time + $to
2215	}
2216
2217	sub should_reset {
2218	my ($self) = @_;
2219
2220	$self->reset_at <= $cf::RUNTIME
2221	}
2222
2223	sub reset {
2224	my ($self) = @_;
2225
2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2227
2228	return if $self->players;
2229
2230	warn "resetting map ", $self->path;
2231
2232	$self->in_memory (cf::MAP_SWAPPED);
2233
2234	# need to save uniques path
2235	unless ($self->{deny_save}) {
2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
2237
2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2239	if $uniq;
2240	}
2241
2242	delete $cf::MAP{$self->path};
2243
2244	$self->deactivate;
2245	$_->clear_links_to ($self) for values %cf::MAP;
2246	$self->clear;
2247		2428
2248	$self->unlink_save;	2429	$self->unlink_save;
2249	$self->destroy;	2430	$self->destroy;
2250	}	2431	}
2251		2432
…		…
2259		2440
2260	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2261		2442
2262	$self->unlink_save;	2443	$self->unlink_save;
2263		2444
2264	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2265	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2266	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2267	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2269		2450
…		…
2318		2499
2319	sub unique_maps() {	2500	sub unique_maps() {
2320	[	2501	[
2321	map {	2502	map {
2322	utf8::decode $_;	2503	utf8::decode $_;
2323	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2324	? normalise $_	2507	: normalise $_
2325	: ()
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2509	]
2328	}	2510	}
2329		2511
2330	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	}
2331		2543
2332	=back	2544	=back
2333		2545
2334	=head3 cf::object	2546	=head3 cf::object
2335		2547
…		…
2339		2551
2340	=over 4	2552	=over 4
2341		2553
2342	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2343		2555
2344	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.
2345		2558
2346	=cut	2559	=cut
2347		2560
2348	sub inv_recursive_;	2561	sub inv_recursive_;
2349	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2354	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2355	}	2568	}
2356		2569
2357	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2358		2571
2359	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.
2360		2573
2361	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2362		2575
2363	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,
2364	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2396	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
2397	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2398		2611
2399	=cut	2612	=cut
2400		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
2401	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2402	# with dialog boxes.	2629	# with dialog boxes.
2403	#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
2404	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2405	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2416	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418		2645
2419	} else {	2646	} else {
2420	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2421	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422	}	2649	}
2423	}	2650	}
2424	}	2651	}
2425		2652
2426	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2451		2678
2452	=item $player_object->enter_link	2679	=item $player_object->enter_link
2453		2680
2454	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}>).
2455		2682
2456	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.
2457	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.
2458		2687
2459	Will never block.	2688	Will never block.
2460		2689
2461	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2462		2691
…		…
2482	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2483	my ($self) = @_;	2712	my ($self) = @_;
2484		2713
2485	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2486		2715
		2716	++$self->{_link_recursion};
		2717
2487	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2488		2719
2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2490	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2491		2722
2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2493	}	2724	}
2494		2725
2495	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2496	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2497		2728
…		…
2514	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2515	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2516		2747
2517	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2518	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2519	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2520		2751
2521	$map->load;	2752	$map->load;
2522	$map->load_neighbours;
2523		2753
2524	return unless $self->contr->active;	2754	return unless $self->contr->active;
2525	$self->activate_recursive;
2526		2755
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2529	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2530		2763
		2764	}
		2765
2531	=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)]])
2532		2767
2533	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
2534	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2537	be called at the end of this process.	2772	be called at the end of this process.
2538		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
2539	=cut	2777	=cut
2540		2778
2541	our $GOTOGEN;	2779	our $GOTOGEN;
2542		2780
2543	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2544	my ($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	}
2545		2789
2546	# 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
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2792
2549	$self->enter_link;	2793	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2570	}	2814	}
2571	}	2815	}
2572		2816
2573	my $map = eval {	2817	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2819
2576	if ($map) {	2820	if ($map) {
2577	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2823	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2825	}
2582		2826
2583	$map	2827	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2594	}	2838	}
2595		2839
2596	$done->() if $done;	2840	$done->($self) if $done;
2597	})->prio (1);	2841	})->prio (1);
2598	}	2842	}
2599		2843
2600	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2601		2845
…		…
2621	}	2865	}
2622		2866
2623	sub prepare_random_map {	2867	sub prepare_random_map {
2624	my ($exit) = @_;	2868	my ($exit) = @_;
2625		2869
2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
2627
2628	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2629	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2630	# that depends on the exit object	2872	# that depends on the exit object
2631		2873
2632	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2634	if ($exit->map) {	2876	if ($exit->map) {
2635	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2636	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2637	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2638	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2639	}	2883	}
2640		2884
2641	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2642		2886
2643	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2644	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2645	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2646		2890
2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2648	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2649	undef $fh;	2893	undef $fh;
2650	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2651		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2652	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2653	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2654	}	2902	}
2655	}	2903	}
2656		2904
2657	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2658	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2659		2907
2660	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2661		2909
2662	if ($exit->slaying eq "/!") {
2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
2664	# the problem is that $exit might not survive long enough
2665	# so it needs to be done right now, right here
2666	cf::sync_job { prepare_random_map $exit };
2667	}
2668
2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2670	my $hp = $exit->stats->hp;
2671	my $sp = $exit->stats->sp;
2672
2673	$self->enter_link;	2910	$self->enter_link;
2674		2911
2675	# if exit is damned, update players death & WoR home-position
2676	$self->contr->savebed ($slaying, $hp, $sp)
2677	if $exit->flag (FLAG_DAMNED);
2678
2679	(async {	2912	(async {
2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2681		2914
2682	$self->deactivate_recursive; # just to be sure
2683	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
2684	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2685		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
2686	1;	2951	1
2687	}) {	2952	}) {
2688	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2689	. "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. "
2690	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2691	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2692		2957
2693	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2694	$self->leave_link;	2959	$self->leave_link;
2695	}	2960	}
2696	})->prio (1);	2961	})->prio (1);
2697	}	2962	}
2698		2963
…		…
2710	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2711	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2712		2977
2713	utf8::encode $text;	2978	utf8::encode $text;
2714	$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);
2715	}	3005	}
2716		3006
2717	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2718		3008
2719	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
…		…
2723		3013
2724	=cut	3014	=cut
2725		3015
2726	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2727	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	},
2728	"c/identify" => {	3024	"c/identify" => {
2729	id => "infobox",	3025	id => "infobox",
2730	title => "Identify",	3026	title => "Identify",
2731	reply => undef,	3027	reply => undef,
2732	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2734	"c/examine" => {	3030	"c/examine" => {
2735	id => "infobox",	3031	id => "infobox",
2736	title => "Examine",	3032	title => "Examine",
2737	reply => undef,	3033	reply => undef,
2738	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",
2739	},	3041	},
2740	"c/book" => {	3042	"c/book" => {
2741	id => "infobox",	3043	id => "infobox",
2742	title => "Book",	3044	title => "Book",
2743	reply => undef,	3045	reply => undef,
…		…
2759	id => "infobox",	3061	id => "infobox",
2760	title => "Body Parts",	3062	title => "Body Parts",
2761	reply => undef,	3063	reply => undef,
2762	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2763	},	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	},
2764	"c/uptime" => {	3102	"c/uptime" => {
2765	id => "infobox",	3103	id => "infobox",
2766	title => "Uptime",	3104	title => "Uptime",
2767	reply => undef,	3105	reply => undef,
2768	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2771	id => "infobox",	3109	id => "infobox",
2772	title => "Map Info",	3110	title => "Map Info",
2773	reply => undef,	3111	reply => undef,
2774	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2775	},	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" => $CHAT_CHANNEL,
2776	);	3128	);
2777		3129
2778	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2779	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2780		3132
2781	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2782		3135
2783	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2784		3137
2785	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2786	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2787	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2788		3141
2789	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2790	if $self->can_msg;
2791
2792	$channel = $channel->{id};	3143	$channel = $channel->{id};
2793		3144
2794	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2795	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2796	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2797	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2798	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800	}	3150	}
2801		3151
2802	$channel = $channel->{id};	3152	$channel = $channel->{id};
2803	}	3153	}
2804		3154
2805	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2806		3156
2807	if ($self->can_msg) {
2808	# default colour, mask it out	3157	# default colour, mask it out
2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2811		3160
2812	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2814	} else {	3164	);
2815	if ($color >= 0) {
2816	# replace some tags by gcfclient-compatible ones
2817	for ($msg) {
2818	1 while
2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824	}
2825		3165
2826	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2827
2828	utf8::encode $msg;
2829
2830	if (0 && $msg =~ /\[/) {
2831	# COMMAND/INFO
2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2833	} else {
2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835	$self->send_packet ("drawinfo $color $msg")
2836	}
2837	}
2838	}
2839	}	3167	}
2840		3168
2841	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2842		3170
2843	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2846		3174
2847	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2848	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2849		3177
2850	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2853	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855	}	3183	}
2856	}	3184	}
2857		3185
2858	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2859		3187
…		…
2863		3191
2864	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2865	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2866		3194
2867	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2870	#TODO: version 1, remove	3198	#TODO: version 1, remove
2871	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873	}	3201	}
2874	}	3202	}
2875		3203
2876	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2877		3205
…		…
2948		3276
2949	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2950	if $reply;	3278	if $reply;
2951		3279
2952	} else {	3280	} else {
2953	warn "client " . ($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";
2954	}	3282	}
2955		3283
2956	cf::override;	3284	cf::override;
2957	},	3285	},
2958	);	3286	);
…		…
2978		3306
2979	$coro	3307	$coro
2980	}	3308	}
2981		3309
2982	cf::client->attach (	3310	cf::client->attach (
2983	on_destroy => sub {	3311	on_client_destroy => sub {
2984	my ($ns) = @_;	3312	my ($ns) = @_;
2985		3313
2986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2987	},	3315	},
2988	);	3316	);
…		…
3004	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3005		3333
3006	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3007		3335
3008	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3009	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3010	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3011	sort time	3339	sort time
3012	));	3340	));
3013		3341
3014	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3017		3345
3018	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3019		3347
3020	cf::object	3348	cf::object
3021	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3022	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3023		3352
3024	cf::object::player	3353	cf::object::player
3025	player	3354	player
3026		3355
3027	cf::player	3356	cf::player
…		…
3032		3361
3033	=cut	3362	=cut
3034		3363
3035	for (	3364	for (
3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3038	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3039	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3040	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3041	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3042	) {	3371	) {
3043	no strict 'refs';
3044	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3045	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3046	for @funs;	3374	for @funs;
3047	}	3375	}
3048		3376
…		…
3063		3391
3064	my $qcode = $code;	3392	my $qcode = $code;
3065	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3066	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3067		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3068	local $_;	3399	local $_;
3069	local @safe::cf::_safe_eval_args = values %vars;
3070		3400
3071	my $eval =	3401	my $eval =
3072	"do {\n"	3402	"do {\n"
3073	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3074	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3075	. $code	3405	. $code
3076	. "\n}"	3406	. "\n}"
3077	;	3407	;
3078		3408
		3409	if ($CFG{safe_eval}) {
3079	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3080	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3081	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3082		3418
3083	if ($@) {	3419	if ($@) {
3084	warn "$@";	3420	warn "$@",
3085	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3086	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3087	}	3423	}
3088		3424
3089	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3090	}	3426	}
3091		3427
…		…
3105	=cut	3441	=cut
3106		3442
3107	sub register_script_function {	3443	sub register_script_function {
3108	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3109		3445
3110	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3111	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3112	}	3448	}
3113		3449
3114	=back	3450	=back
3115		3451
3116	=cut	3452	=cut
…		…
3125	# for this (global event?)	3461	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3127		3463
3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129		3465
3130	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3131		3467
3132	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3133	0 < aio_load $path, $facedata
3134	or die "$path: $!";
3135
3136	$facedata = Coro::Storable::thaw $facedata;
3137		3469
3138	$facedata->{version} == 2	3470	$facedata->{version} == 2
3139	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3140		3472
3141	# 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]);
3142	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3143	type => FT_RSRC,	3476	type => FT_RSRC,
3144	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),
3145	};	3479	};
3146	cf::cede_to_tick;	3480	cf::cede_to_tick;
3147		3481
3148	{	3482	{
3149	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
3150		3484
3151	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
3153	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3154	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3156	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} , $info->{glyph} ;
3157		3493
3158	cf::cede_to_tick;	3494	cf::cede_to_tick;
3159	}	3495	}
3160		3496
3161	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
3162	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
3163	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
3164	or next;	3501	or next;
		3502
3165	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3166	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168	} else {	3506	} else {
3169	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3170	}	3508	}
3171		3509
3172	cf::cede_to_tick;	3510	cf::cede_to_tick;
3173	}	3511	}
3174	}	3512	}
…		…
3183		3521
3184	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3185	}	3523	}
3186		3524
3187	{	3525	{
3188	# TODO: for gcfclient pleasure, we should give resources
3189	# that gcfclient doesn't grok a >10000 face index.
3190	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3191		3527
3192	my $soundconf = delete $res->{"res/sound.conf"};
3193
3194	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196	my $data;
3197		3531
3198	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3199	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
3200
3201	my $meta = $enc->encode ({
3202	name => $name,
3203	%{ $info->{meta} || {} },
3204	});
3205
3206	$data = pack "(w/a*)*", $meta, $info->{data};
3207	} else {	3534	} else {
3208	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
3209	}	3536	}
3210		3537
3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212	cf::face::set_type $idx, $info->{type};
3213
3214	cf::cede_to_tick;	3538	cf::cede_to_tick;
3215	}	3539	}
3216
3217	if ($soundconf) {
3218	$soundconf = $enc->decode (delete $soundconf->{data});
3219
3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221	my $sound = $soundconf->{compat}[$_]
3222	or next;
3223
3224	my $face = cf::face::find "sound/$sound->[1]";
3225	cf::sound::set $sound->[0] => $face;
3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227	}
3228
3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
3230	my $face = cf::face::find "sound/$v";
3231	cf::sound::set $k => $face;
3232	}
3233	}
3234	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3235		3543
3236	1	3544	1
3237	}	3545	}
3238		3546
3239	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3241		3549
3242	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3243	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3244	}	3552	}
3245	};	3553	};
		3554
		3555	sub load_resource_file($) {
		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	$status
		3563	}
3246		3564
3247	sub reload_regions {	3565	sub reload_regions {
3248	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3249	# for this (global event?)	3567	# for this (global event?)
3250	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3264	}	3582	}
3265		3583
3266	sub reload_archetypes {	3584	sub reload_archetypes {
3267	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3268	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3269	#d# NEED to laod twice to resolve forward references
3270	# this really needs to be done in an extra post-pass
3271	# (which needs to be synchronous, so solve it differently)
3272	load_resource_file "$DATADIR/archetypes"
3273	or die "unable to load archetypes\n";
3274	}	3587	}
3275		3588
3276	sub reload_treasures {	3589	sub reload_treasures {
3277	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3278	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3279	}	3592	}
3280		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
3281	sub reload_resources {	3614	sub reload_resources {
3282	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3283		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3284	reload_regions;	3622	reload_regions;
3285	reload_facedata;
3286	#reload_archetypes;#d#
3287	reload_archetypes;
3288	reload_treasures;	3623	reload_treasures;
3289		3624
3290	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3291	}
3292
3293	sub init {
3294	reload_resources;
3295	}	3626	}
3296		3627
3297	sub reload_config {	3628	sub reload_config {
3298	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3299	or return;
3300		3630
3301	local $/;	3631	my $config = load_file "$CONFDIR/config";
3302	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3303		3634
3304	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3305		3636
3306	$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};
3307	$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};
3308		3639
3309	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3313	};	3644	};
3314	warn $@ if $@;	3645	warn $@ if $@;
3315	}	3646	}
3316	}	3647	}
3317		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
3318	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
3319	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3320	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3321	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#
3322	(async {	3690	(async {
3323	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3324	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3325	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3326	};	3694	};
3327		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;
3328	reload_config;	3708	reload_config;
3329	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
3330	load_extensions;	3719	load_extensions;
3331		3720
3332	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3722
3334	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	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3335	}	3739	}
3336		3740
3337	#############################################################################	3741	#############################################################################
3338	# initialisation and cleanup	3742	# initialisation and cleanup
3339		3743
3340	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3341	BEGIN {	3745	BEGIN {
3342	our %SIGWATCHER = ();	3746	our %SIGWATCHER = ();
3343	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3345	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3346	};	3750	};
3347	}	3751	}
3348	}	3752	}
3349		3753
3350	sub write_runtime {	3754	sub write_runtime_sync {
3351	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3352		3756
3353	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3354	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3355		3759
3356	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3357		3761
3358	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3359		3763
3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3361	or return;	3765	or return;
3362		3766
3363	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3364	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3365	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3375	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3376		3780
3377	close $fh	3781	close $fh
3378	or return;	3782	or return;
3379		3783
3380	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3381	and return;	3785	and return;
3382		3786
3383	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3384		3788
3385	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3386	}	3840	}
3387		3841
3388	sub emergency_save() {	3842	sub emergency_save() {
3389	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3390		3844
3391	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3392		3851
3393	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3394	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3395	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3396	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3397	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3398	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3399	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3400	$pl->valid or next;	3861	$pl->valid or next;
3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3402	$pl->save;	3863	$pl->save;
3403	}	3864	}
3404	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3405		3866
3406	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3407	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3408	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3409	$map->valid or next;	3872	$map->valid or next;
3410	$map->save;	3873	$map->save;
3411	}	3874	}
3412	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3413		3876
3414	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3415	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3416	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3417	};	3905	};
3418		3906
3419	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3420	}	3908	}
3421		3909
3422	sub post_cleanup {	3910	sub post_cleanup {
3423	my ($make_core) = @_;	3911	my ($make_core) = @_;
3424		3912
		3913	IO::AIO::flush;
		3914
3425	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3426	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3427	}	3945	}
3428		3946
3429	sub do_reload_perl() {	3947	sub do_reload_perl() {
3430	# can/must only be called in main	3948	# can/must only be called in main
3431	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3432	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3433	return;	3951	return;
3434	}	3952	}
3435		3953
3436	warn "reloading...";	3954	return if $RELOAD++;
3437		3955
3438	warn "entering sync_job";	3956	my $t1 = AE::time;
3439		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3440	cf::sync_job {	3964	cf::sync_job {
3441	cf::write_runtime; # external watchdog should not bark
3442	cf::emergency_save;	3965	#cf::emergency_save;
3443	cf::write_runtime; # external watchdog should not bark
3444		3966
3445	warn "syncing database to disk";
3446	BDB::db_env_txn_checkpoint $DB_ENV;
3447
3448	# if anything goes wrong in here, we should simply crash as we already saved
3449
3450	warn "flushing outstanding aio requests";
3451	for (;;) {
3452	BDB::flush;
3453	IO::AIO::flush;
3454	Coro::cede_notself;
3455	last unless IO::AIO::nreqs || BDB::nreqs;
3456	warn "iterate...";
3457	}
3458
3459	++$RELOAD;
3460
3461	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3462	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3463	%EXT_CORO = ();	3969	%EXT_CORO = ();
3464		3970
3465	warn "removing commands";	3971	trace "perl_reload: removing commands";
3466	%COMMAND = ();	3972	%COMMAND = ();
3467		3973
3468	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3469	%EXTCMD = ();	3975	%EXTCMD = ();
3470	%EXTICMD = ();	3976	%EXTICMD = ();
3471		3977
3472	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3473	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3474	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3475		3981
3476	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3477	eval {	3983	eval {
3478	$cb->($pkg);	3984	$cb->($pkg);
3479	1	3985	1
3480	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3481	}	3991	}
3482		3992
3483	warn "... nuking $pkg";
3484	Symbol::delete_package $pkg;
3485	}
3486
3487	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3488	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3490		3996
3491	warn "... unloading $k";	3997	trace "... unloading $k";
3492	delete $INC{$k};	3998	delete $INC{$k};
3493		3999
3494	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3495	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3496		4002
3497	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3498	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3499	}	4008	}
3500		4009
3501	Symbol::delete_package $k;
3502	}
3503
3504	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3505	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3507		4013
3508	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3509	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3510	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3511		4017
3512	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3513	# and global variables created in xs	4019	# and global variables created in xs
3514	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3515		4021
3516	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3517		4023
3518	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3519	require cf;	4025	require cf;
3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3521		4027
3522	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3523	cf::reload_config;	4029	cf::reload_config;
3524		4030
3525	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3526	cf::load_extensions;	4032	cf::load_extensions;
3527		4033
		4034	if ($REATTACH_ON_RELOAD) {
3528	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3529	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3530	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3531	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3532	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3533	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3534		4042
3535	warn "leaving sync_job";	4043	cf::_post_init 1;
3536		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3537	1	4047	1
3538	} or do {	4048	} or do {
3539	warn $@;	4049	error $@;
3540	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3541	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3542	};	4054	}
3543		4055
3544	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3545	};	4058	};
3546		4059
3547	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3548		4061
3549	sub reload_perl() {	4062	sub reload_perl() {
3550	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3551	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3552		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
3554	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3555	do_reload_perl;	4072	};
3556	};	4073	};
3557	}	4074	}
3558		4075
3559	register_command "reload" => sub {	4076	register_command "reload" => sub {
3560	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
…		…
3566	reload_perl;	4083	reload_perl;
3567	};	4084	};
3568	}	4085	}
3569	};	4086	};
3570		4087
3571	unshift @INC, $LIBDIR;	4088	#############################################################################
3572		4089
3573	my $bug_warning = 0;	4090	my $bug_warning = 0;
3574		4091
3575	our @WAIT_FOR_TICK;
3576	our @WAIT_FOR_TICK_BEGIN;
3577
3578	sub wait_for_tick {	4092	sub wait_for_tick() {
3579	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3580	return if $Coro::current == $Coro::main;
3581		4094
3582	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3583	push @WAIT_FOR_TICK, $signal;
3584	$signal->wait;
3585	}	4096	}
3586		4097
3587	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3588	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3589	return if $Coro::current == $Coro::main;
3590		4100
3591	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3592	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3593	$signal->wait;	4103	$signal->wait;
3594	}	4104	}
3595		4105
3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4106	sub tick {
3597	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3599	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3600	return;	4110	return;
3601	}	4111	}
3602		4112
3603	$NOW = $tick_start = EV::now;	4113	cf::one_tick; # one server iteration
3604		4114
3605	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3606
3607	$RUNTIME += $TICK;
3608	$NEXT_TICK += $TICK;
3609		4116
3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3611	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3612	Coro::async_pool {	4119	Coro::async_pool {
3613	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3614	write_runtime	4121	write_runtime_sync
3615	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3616	};	4123	};
3617	}	4124	}
3618		4125
3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3620	$sig->send;	4127	$sig->send;
3621	}	4128	}
3622	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3623	$sig->send;
3624	}
3625		4130
3626	$LOAD = ($NOW - $tick_start) / $TICK;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3628		4133
3629	_post_tick;	4134	if (0) {
3630	};	4135	if ($NEXT_TICK) {
3631	$TICK_WATCHER->priority (EV::MAXPRI);	4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
		4140	}
		4141	}
3632		4142
3633	{	4143	{
		4144	# configure BDB
		4145
3634	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3635	BDB::max_poll_time $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	4148	$AnyEvent::BDB::WATCHER->priority (1);
3637
3638	BDB::set_sync_prepare {
3639	my $status;
3640	my $current = $Coro::current;
3641	(
3642	sub {
3643	$status = $!;
3644	$current->ready; undef $current;
3645	},
3646	sub {
3647	Coro::schedule while defined $current;
3648	$! = $status;
3649	},
3650	)
3651	};
3652		4149
3653	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4157
3660	cf::sync_job {	4158	cf::sync_job {
3661	eval {	4159	eval {
…		…
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4182	};
3685	}	4183	}
3686		4184
3687	{	4185	{
		4186	# configure IO::AIO
		4187
3688	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4190	undef $AnyEvent::AIO::WATCHER;
3693	}	4191	}
3694		4192
3695	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3696		4195
3697	sub _log_backtrace {	4196	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3699		4198
3700	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3701		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3705	async {	4209	async {
3706	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3707		4211
3708	my @bt = fork_call {	4212	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4224	}
3721		4225
3722	@funcs	4226	@funcs
3723	};	4227	};
3724		4228
3725	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4232	--$_log_backtrace;
3728	};	4233	};
3729	} else {	4234	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4237	}
3733	}	4238	}
3734		4239
3735	# load additional modules	4240	# load additional modules
3736	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3737		4243
3738	END { cf::emergency_save }	4244	END { cf::emergency_save }
3739		4245
3740	1	4246	1
3741		4247

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