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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.409 by root, Mon Jan 14 11:41:48 2008 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		78
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
47		82
48	our %COMMAND = ();	83	our %COMMAND = ();
49	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
50		85
51	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	87	our %EXTCMD = ();
53	our %EXTICMD = ();	88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
71	our %RESOURCE;	113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	123	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
85		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
90	our $NOW;	138	our $NOW;
91		139
92	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	LOG llevError, $msg;	301	LOG llevWarn, $msg;
193	};	302	};
194	}
195		303
196	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
197	warn Carp::longmess $_[0];	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
198	Coro::terminate;	315	Coro::terminate
199	};	316	};
200		317
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	328	for my $pkg (qw(
212	cf::global cf::attachable	329	cf::global cf::attachable
213	cf::object cf::object::player	330	cf::object cf::object::player
214	cf::client cf::player	331	cf::client cf::player
215	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
216	cf::map cf::party cf::region	334	cf::party cf::region
217	)) {	335	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	337	}
221		338
222	$EV::DIED = sub {	339	$EV::DIED = sub {
223	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
224	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
225		347
226	#############################################################################	348	#############################################################################
227		349
228	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
229		351
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	373	$d
252	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
253	}	375	}
254		376
		377	=item $scalar = 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
255	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
256		392
257	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
258		394
259	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
265	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
266		402
267	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
269		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
270	=item cf::lock_wait $string	468	=item cf::lock_wait $string
271		469
272	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
273		471
274	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
275		473
276	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
277	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,
278	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
279	returned.	477	returned.
280		478
281	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
282	deadlocked coro.	480	deadlocked coro.
…		…
288		486
289	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.
290		488
291	=cut	489	=cut
292		490
293	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		492
296	sub lock_wait($) {	493	sub lock_wait($) {
297	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	495	}
310		496
311	sub lock_acquire($) {	497	sub lock_acquire($) {
312	my ($key) = @_;	498	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	499	}
326		500
327	sub lock_active($) {	501	sub lock_active($) {
328	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	503	}
332		504
333	sub freeze_mainloop {	505	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
335		507
336	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	509	}
342		510
343	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
344		512
345	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
346	get spread over timer.	514	get spread over time.
347		515
348	=cut	516	=cut
349		517
350	sub periodic($$) {	518	sub periodic($$) {
351	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
356	}	524	}
357		525
358	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
359		527
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	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.
363		535
364	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
365	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
366		538
367	Useful for short background jobs.	539	Useful for short background jobs.
368		540
369	=cut	541	=cut
370		542
371	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
373		546
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
377		550
378	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
379		553
380	while () {	554	while () {
381	next_job:	555	next_job:
		556
382	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	558
384	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	563	$job->[2]->send;
388	Coro::cede;	564	Coro::cede;
389	goto next_job;	565	goto next_job;
390	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	568	}
392	}	569	}
393		570
394	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
395	# 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
396	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
397	$signal->wait;
398	} else {	574	} else {
		575	$busy = 0;
399	Coro::schedule;	576	Coro::schedule;
400	}	577	}
401	}	578	}
402	};	579	};
403		580
404	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
405	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
406		585
407	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
408	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
409		589
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
438	=cut	618	=cut
439		619
440	sub sync_job(&) {	620	sub sync_job(&) {
441	my ($job) = @_;	621	my ($job) = @_;
442		622
443	if ($Coro::current == $Coro::main) {	623	if (in_main) {
444	my $time = EV::time;	624	my $time = AE::time;
445		625
446	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
448		628
449	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
450		630
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
454		632
455	my $busy = 1;	633	my $busy = 1;
456	my @res;	634	my @res;
457		635
458	(async {	636	(async {
459	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	638	@res = eval { $job->() };
461	warn $@ if $@;	639	error $@ if $@;
462	undef $busy;	640	undef $busy;
463	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
464		642
465	while ($busy) {	643	while ($busy) {
466	if (Coro::nready) {	644	if (Coro::nready) {
…		…
468	} else {	646	} else {
469	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
470	}	648	}
471	}	649	}
472		650
473	$time = EV::time - $time;	651	my $time = AE::time - $time;
474		652
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
479		654
480	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
481	} else {	656	} else {
482	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
483		658
…		…
503	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
504		679
505	$coro	680	$coro
506	}	681	}
507		682
508	=item fork_call { }, $args	683	=item fork_call { }, @args
509		684
510	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
511	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
512	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
513	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
514		689
515	=cut	690	=cut
516		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
517	sub fork_call(&@) {	696	sub fork_call(&@) {
518	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
519		698
520	# 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,
521	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
523		702
524	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
525	reset_signals;	704	cf::post_fork;
526	&$cb	705	&$cb
527	}, @args;	706	} @args;
528		707
529	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
530	}	747	}
531		748
532	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
533		750
534	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
544	within each server.	761	within each server.
545		762
546	=cut	763	=cut
547		764
548	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
549	my ($name) = @_;	769	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
551		771
552	eval {	772	eval {
553	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
563	}	783	}
564		784
565	our $DB;	785	our $DB;
566		786
567	sub db_init {	787	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	788	$DB ||= db_table "db";
570	};
571	}	789	}
572		790
573	sub db_get($$) {	791	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
575		793
576	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
577	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
578		798
579	$! ? ()	799	$! ? ()
580	: $data	800	: $data
581	}
582	}	801	}
583		802
584	sub db_put($$$) {	803	sub db_put($$$) {
585	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		833
615	my @data;	834	my @data;
616	my $md5;	835	my $md5;
617		836
618	for (0 .. $#$src) {	837	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	839	}
622		840
623	# if processing is expensive, check	841	# if processing is expensive, check
624	# checksum first	842	# checksum first
625	if (1) {	843	if (1) {
…		…
642		860
643	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
644	my $data = $process->(\@data);	862	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
646		864
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		866
649	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
652		870
…		…
662		880
663	=cut	881	=cut
664		882
665	sub datalog($@) {	883	sub datalog($@) {
666	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	886	}
669		887
670	=back	888	=back
671		889
672	=cut	890	=cut
673		891
674	#############################################################################	892	#############################################################################
675		893
676	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
677		895
678	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
679	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")
680	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
681		899
682	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>
683	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
…		…
733	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
734		952
735	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
736	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
737		955
738	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
740		958
741	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
742		960
743	=over 4	961	=over 4
…		…
867		1085
868	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1088
871	} elsif (ref $type) {	1089	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
873		1091
874	} else {	1092	} else {
875	shift @arg;	1093	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
877	}	1095	}
878	}	1096	}
879	}	1097	}
880		1098
881	sub _object_attach {	1099	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
892	}	1110	}
893		1111
894	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
895	} else {	1113	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1115	}
898		1116
899	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
900	}	1118	}
901		1119
…		…
960		1178
961	for (@$callbacks) {	1179	for (@$callbacks) {
962	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
963		1181
964	if ($@) {	1182	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1184	override;
968	}	1185	}
969		1186
970	return 1 if $override;	1187	return 1 if $override;
971	}	1188	}
…		…
1034		1251
1035	sub reattach {	1252	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1254	my ($obj) = @_;
1038		1255
		1256	# no longer needed after getting rid of delete_package?
1039	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
1040		1258
1041	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1042		1260
1043	@$registry = ();	1261	@$registry = ();
1044		1262
…		…
1049	for (@$attach) {	1267	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1052	}	1270	}
1053	} else {	1271	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1273	}
1056	}	1274	}
1057	}	1275	}
1058		1276
1059	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1087		1305
1088	sync_job {	1306	sync_job {
1089	if (length $$rdata) {	1307	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1093		1312
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	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	}
1098	close $fh;	1320	aio_close $fh;
1099		1321
1100	if (@$objs) {	1322	if (@$objs) {
1101	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) {
1102	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1105	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	}
1106	close $fh;	1331	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1333	}
1109	} else {	1334	} else {
1110	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1111	}	1336	}
1112		1337
1113	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1342	} else {
1115	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1116	}	1344	}
1117	} else {	1345	} else {
1118	aio_unlink $filename;	1346	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1120	}	1348	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1373	$av = $st->{objs};
1146	}	1374	}
1147		1375
1148	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1151		1380
1152	($data, $av)	1381	($data, $av)
1153	}	1382	}
1154		1383
1155	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1211	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1212		1441
1213	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1214	}	1443	}
1215		1444
		1445	use File::Glob ();
		1446
1216	cf::player->attach (	1447	cf::player->attach (
1217	on_command => sub {	1448	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1219		1450
1220	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1221	or return;	1452	or return;
1222		1453
…		…
1245		1476
1246	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1247	if $reply;	1478	if $reply;
1248		1479
1249	} else {	1480	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1482	}
1252		1483
1253	cf::override;	1484	cf::override;
1254	},	1485	},
1255	);	1486	);
1256		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
1257	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1258	cf::sync_job {	1504	cf::sync_job {
1259	my %todo;	1505	my %todo;
1260		1506
1261	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1508	next unless -r $path;
…		…
1280		1526
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1529
1284	$ext{source} =	1530	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1287	. $source	1533	. $source
1288	. "\n};\n1";	1534	. "\n};\n1";
1289		1535
1290	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1291	}	1537	}
1292		1538
		1539	my $pass = 0;
1293	my %done;	1540	my %done;
1294	while (%todo) {	1541	while (%todo) {
1295	my $progress;	1542	my $progress;
1296		1543
		1544	++$pass;
		1545
		1546	ext:
1297	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1549	next ext
1300	unless exists $done{$_};	1550	unless exists $done{$_};
1301	}	1551	}
1302		1552
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1554
1305	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1310	warn $msg;	1562
1311	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1564	delete $todo{$k};
1313	}	1565	} else {
1314		1566	$done{$k} = delete $todo{$k};
1315	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1316	}	1572	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1573	}
1322		1574
1323	skip:	1575	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	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	}
1326	}	1585	}
1327	};	1586	};
1328	}	1587	}
1329		1588
1330	#############################################################################	1589	#############################################################################
1331		1590
1332	=back	1591	=back
1333		1592
1334	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1335		1594
1336	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1337		1596
1338	=cut	1597	=cut
1339		1598
1340	package cf::player;	1599	package cf::player;
1341		1600
…		…
1384		1643
1385	sub exists($) {	1644	sub exists($) {
1386	my ($login) = @_;	1645	my ($login) = @_;
1387		1646
1388	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1390	}	1649	}
1391		1650
1392	sub find($) {	1651	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1653	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1666	or return;
1408		1667
1409	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1410	or return;	1669	or return;
		1670
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1414	}	1674	}
1415	}	1675	}
1416	}	1676	}
1417		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
1418	sub save($) {	1691	sub save($) {
1419	my ($pl) = @_;	1692	my ($pl) = @_;
1420		1693
1421	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1422		1695
…		…
1425		1698
1426	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1427		1700
1428	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1429	$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];
1430		1708
1431	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1710	cf::cede_to_tick;
1433	}	1711	}
1434		1712
…		…
1466	my ($pl) = @_;	1744	my ($pl) = @_;
1467		1745
1468	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1469		1747
1470	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1471	$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
1472		1750
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1476	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1477		1759
1478	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1518		1800
1519	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1520	my $path = path $login;	1802	my $path = path $login;
1521		1803
1522	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1810	}
1528		1811
…		…
1532		1815
1533	\@logins	1816	\@logins
1534	}	1817	}
1535		1818
1536	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1537		1822
1538	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1539	player. May block.	1824	player. May block.
1540		1825
1541	=cut	1826	=cut
…		…
1559	}	1844	}
1560		1845
1561	\@paths	1846	\@paths
1562	}	1847	}
1563		1848
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1850
1566	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1852
1657	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1658		1854
1659	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1660		1856
…		…
1692		1888
1693	=cut	1889	=cut
1694		1890
1695	sub find_by_path($) {	1891	sub find_by_path($) {
1696	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1697		1895
1698	my ($match, $specificity);	1896	my ($match, $specificity);
1699		1897
1700	for my $region (list) {	1898	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1729		1927
1730	sub generate_random_map {	1928	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1733	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	1934	}
1747		1935
1748	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1749		1937
1750	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
…		…
1755		1943
1756	sub register {	1944	sub register {
1757	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	1946	my $pkg = caller;
1759		1947
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		1949
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	1951	}
1765		1952
1766	# also paths starting with '/'	1953	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		1955
1769	sub thawer_merge {	1956	sub thawer_merge {
1770	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1771		1958
1772	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1777	}	1964	}
1778		1965
1779	sub normalise {	1966	sub normalise {
1780	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1781		1968
1782	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1783		1970
1784	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1785		1972
1786	# map plan:	1973	# map plan:
1787	#	1974	#
…		…
1802	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	1990	$path = "$base/$path";
1804	}	1991	}
1805		1992
1806	for ($path) {	1993	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1810	}	1996	}
1811		1997
1812	$path	1998	$path
…		…
1826	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1827	return $self;	2013	return $self;
1828	}	2014	}
1829	}	2015	}
1830		2016
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2018	()
1833	}	2019	}
1834		2020
		2021	# may re-bless or do other evil things
1835	sub init {	2022	sub init {
1836	my ($self) = @_;	2023	my ($self) = @_;
1837		2024
1838	$self	2025	$self
1839	}	2026	}
…		…
1858		2045
1859	# the temporary/swap location	2046	# the temporary/swap location
1860	sub save_path {	2047	sub save_path {
1861	my ($self) = @_;	2048	my ($self) = @_;
1862		2049
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1865	}	2052	}
1866		2053
1867	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1868	sub uniq_path {	2055	sub uniq_path {
1869	my ($self) = @_;	2056	my ($self) = @_;
1870		2057
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2060	}
1883		2061
1884	sub decay_objects {	2062	sub decay_objects {
1885	my ($self) = @_;	2063	my ($self) = @_;
1886		2064
…		…
1913	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1914		2092
1915	1	2093	1
1916	}	2094	}
1917		2095
		2096	# used to laod the header of an original map
1918	sub load_header_orig {	2097	sub load_header_orig {
1919	my ($self) = @_;	2098	my ($self) = @_;
1920		2099
1921	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1922	}	2101	}
1923		2102
		2103	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2104	sub load_header_temp {
1925	my ($self) = @_;	2105	my ($self) = @_;
1926		2106
1927	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1928	}	2108	}
1929		2109
		2110	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2111	sub prepare_temp {
1931	my ($self) = @_;	2112	my ($self) = @_;
1932		2113
1933	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1935	# safety	2116	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2119	}
1939		2120
		2121	# called after loading the header from an original map
1940	sub prepare_orig {	2122	sub prepare_orig {
1941	my ($self) = @_;	2123	my ($self) = @_;
1942		2124
1943	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2150
1969	sub find;	2151	sub find;
1970	sub find {	2152	sub find {
1971	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1972		2154
		2155	cf::cede_to_tick;
		2156
1973	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1974		2158
1975	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2161
1978	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1983	or return;	2164	or return;
1984		2165
1985	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1986		2167
…		…
1988	or return;	2169	or return;
1989		2170
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1993	undef $guard1;	2175	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2176	$map->reset;
1996	return find $path;	2177	return find $path;
1997	}	2178	}
1998		2179
1999	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
2000	}	2181	}
2001	}	2182	}
2002		2183
2003	sub pre_load { }	2184	sub pre_load { }
2004	sub post_load { }	2185	#sub post_load { } # XS
2005		2186
2006	sub load {	2187	sub load {
2007	my ($self) = @_;	2188	my ($self) = @_;
2008		2189
2009	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2193
2013	{	2194	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2015		2196
2016	return unless $self->valid;	2197	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2199
2021	$self->alloc;	2200	$self->alloc;
2022		2201
2023	$self->pre_load;	2202	$self->pre_load;
2024	cf::cede_to_tick;	2203	cf::cede_to_tick;
2025		2204
		2205	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2207	$f->skip_block;
2028	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2029	or return;	2209	or return;
2030		2210
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2032	if delete $self->{load_original};	2212	if delete $self->{load_original};
2033		2213
2034	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2215	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2218	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2041	}	2222	}
2042	}	2223	}
2043	}
2044		2224
2045	$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);
2046		2232
2047	cf::cede_to_tick;	2233	cf::cede_to_tick;
2048	# now do the right thing for maps	2234	# now do the right thing for maps
2049	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2241	$self->decay_objects;
2056	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2057	$self->update_buttons;	2243	$self->update_buttons;
2058	cf::cede_to_tick;	2244	cf::cede_to_tick;
2059	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2246	}
2063		2247
2064	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2250	}
2069		2251
2070	$self->post_load;	2252	$self->post_load;
2071	}
2072		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
2073	sub customise_for {	2260	sub customise_for {
2074	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2075		2262
2076	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2264	if $self->per_player;
…		…
2080	# if $self->per_party;	2267	# if $self->per_party;
2081		2268
2082	$self	2269	$self
2083	}	2270	}
2084		2271
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2272	sub find_sync {
2112	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2113		2274
2114	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
2115	}	2280	}
2116		2281
2117	sub do_load_sync {	2282	sub do_load_sync {
2118	my ($map) = @_;	2283	my ($map) = @_;
2119		2284
		2285	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2122		2288
2123	cf::sync_job { $map->load };	2289	$map->load;
2124	}	2290	}
2125		2291
2126	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2128		2294
2129	sub find_async {	2295	sub find_async {
2130	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2131		2297
2132	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2133		2299
2134	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2136	}	2302	}
2137		2303
2138	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2139		2305
2140	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2155		2321
2156	()	2322	()
2157	}	2323	}
2158		2324
		2325	# common code, used by both ->save and ->swapout
2159	sub save {	2326	sub _save {
2160	my ($self) = @_;	2327	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2328
2164	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2165		2330
2166	return unless $self->dirty;	2331	return unless $self->dirty;
2167		2332
…		…
2176		2341
2177	cf::async {	2342	cf::async {
2178	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2180	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2181		2348
2182	if ($uniq) {	2349	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2352	} else {
2186	$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);
2187	}	2354	}
2188	}	2355	}
2189		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2190	sub swap_out {	2365	sub swap_out {
2191	my ($self) = @_;	2366	my ($self) = @_;
2192		2367
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2198	return if $self->players;	2372	return if $self->players;
2199	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
2200	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2201		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
2202	$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};
2203		2424
2204	$self->deactivate;	2425	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2427	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2428
2252	$self->unlink_save;	2429	$self->unlink_save;
2253	$self->destroy;	2430	$self->destroy;
2254	}	2431	}
2255		2432
…		…
2263		2440
2264	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2265		2442
2266	$self->unlink_save;	2443	$self->unlink_save;
2267		2444
2268	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2450
…		…
2322		2499
2323	sub unique_maps() {	2500	sub unique_maps() {
2324	[	2501	[
2325	map {	2502	map {
2326	utf8::decode $_;	2503	utf8::decode $_;
2327	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2328	? normalise $_	2507	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2509	]
2332	}	2510	}
2333		2511
2334	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	}
2335		2543
2336	=back	2544	=back
2337		2545
2338	=head3 cf::object	2546	=head3 cf::object
2339		2547
…		…
2343		2551
2344	=over 4	2552	=over 4
2345		2553
2346	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2347		2555
2348	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.
2349		2558
2350	=cut	2559	=cut
2351		2560
2352	sub inv_recursive_;	2561	sub inv_recursive_;
2353	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2359	}	2568	}
2360		2569
2361	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2362		2571
2363	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.
2364		2573
2365	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2366		2575
2367	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,
2368	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2400	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
2401	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2402		2611
2403	=cut	2612	=cut
2404		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
2405	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2629	# with dialog boxes.
2407	#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
2408	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2645
2423	} else {	2646	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2649	}
2427	}	2650	}
2428	}	2651	}
2429		2652
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2678
2456	=item $player_object->enter_link	2679	=item $player_object->enter_link
2457		2680
2458	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}>).
2459		2682
2460	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.
2461	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.
2462		2687
2463	Will never block.	2688	Will never block.
2464		2689
2465	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2466		2691
…		…
2486	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2712	my ($self) = @_;
2488		2713
2489	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2490		2715
		2716	++$self->{_link_recursion};
		2717
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2719
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2495		2722
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2724	}
2498		2725
2499	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2501		2728
…		…
2518	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2520		2747
2521	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2524		2751
2525	$map->load;	2752	$map->load;
2526	$map->load_neighbours;
2527		2753
2528	return unless $self->contr->active;	2754	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2755
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2533	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2534		2763
		2764	}
		2765
2535	=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)]])
2536		2767
2537	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
2538	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2772	be called at the end of this process.
2542		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
2543	=cut	2777	=cut
2544		2778
2545	our $GOTOGEN;	2779	our $GOTOGEN;
2546		2780
2547	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2548	my ($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	}
2549		2789
2550	# 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
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2792
2553	$self->enter_link;	2793	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2574	}	2814	}
2575	}	2815	}
2576		2816
2577	my $map = eval {	2817	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2819
2580	if ($map) {	2820	if ($map) {
2581	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2823	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2825	}
2586		2826
2587	$map	2827	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2598	}	2838	}
2599		2839
2600	$done->() if $done;	2840	$done->($self) if $done;
2601	})->prio (1);	2841	})->prio (1);
2602	}	2842	}
2603		2843
2604	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2605		2845
…		…
2625	}	2865	}
2626		2866
2627	sub prepare_random_map {	2867	sub prepare_random_map {
2628	my ($exit) = @_;	2868	my ($exit) = @_;
2629		2869
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2872	# that depends on the exit object
2635		2873
2636	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2876	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2643	}	2883	}
2644		2884
2645	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2646		2886
2647	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2650		2890
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2893	undef $fh;
2654	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2655		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2658	}	2902	}
2659	}	2903	}
2660		2904
2661	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2663		2907
2664	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2665		2909
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2910	$self->enter_link;
2678		2911
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2912	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2685		2914
2686	$self->deactivate_recursive; # just to be sure
2687	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
2688	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2689		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
2690	1;	2951	1
2691	}) {	2952	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "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. "
2694	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2957
2697	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	2959	$self->leave_link;
2699	}	2960	}
2700	})->prio (1);	2961	})->prio (1);
2701	}	2962	}
2702		2963
…		…
2714	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2716		2977
2717	utf8::encode $text;	2978	utf8::encode $text;
2718	$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);
2719	}	3005	}
2720		3006
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3008
2723	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
…		…
2727		3013
2728	=cut	3014	=cut
2729		3015
2730	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2731	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	},
2732	"c/identify" => {	3024	"c/identify" => {
2733	id => "infobox",	3025	id => "infobox",
2734	title => "Identify",	3026	title => "Identify",
2735	reply => undef,	3027	reply => undef,
2736	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3030	"c/examine" => {
2739	id => "infobox",	3031	id => "infobox",
2740	title => "Examine",	3032	title => "Examine",
2741	reply => undef,	3033	reply => undef,
2742	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",
2743	},	3041	},
2744	"c/book" => {	3042	"c/book" => {
2745	id => "infobox",	3043	id => "infobox",
2746	title => "Book",	3044	title => "Book",
2747	reply => undef,	3045	reply => undef,
…		…
2763	id => "infobox",	3061	id => "infobox",
2764	title => "Body Parts",	3062	title => "Body Parts",
2765	reply => undef,	3063	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2767	},	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	},
2768	"c/uptime" => {	3102	"c/uptime" => {
2769	id => "infobox",	3103	id => "infobox",
2770	title => "Uptime",	3104	title => "Uptime",
2771	reply => undef,	3105	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3109	id => "infobox",
2776	title => "Map Info",	3110	title => "Map Info",
2777	reply => undef,	3111	reply => undef,
2778	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2779	},	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" => $CHAT_CHANNEL,
2780	);	3128	);
2781		3129
2782	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3132
2785	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2786		3135
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3137
2789	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2792		3141
2793	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3143	$channel = $channel->{id};
2797		3144
2798	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3150	}
2805		3151
2806	$channel = $channel->{id};	3152	$channel = $channel->{id};
2807	}	3153	}
2808		3154
2809	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2810		3156
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3157	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2815		3160
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3164	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3165
2830	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3167	}
2844		3168
2845	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2846		3170
2847	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2850		3174
2851	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2853		3177
2854	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}	3183	}
2860	}	3184	}
2861		3185
2862	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2863		3187
…		…
2867		3191
2868	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2870		3194
2871	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove	3198	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}	3201	}
2878	}	3202	}
2879		3203
2880	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2881		3205
…		…
2952		3276
2953	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2954	if $reply;	3278	if $reply;
2955		3279
2956	} else {	3280	} else {
2957	warn "client " . ($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";
2958	}	3282	}
2959		3283
2960	cf::override;	3284	cf::override;
2961	},	3285	},
2962	);	3286	);
…		…
2982		3306
2983	$coro	3307	$coro
2984	}	3308	}
2985		3309
2986	cf::client->attach (	3310	cf::client->attach (
2987	on_destroy => sub {	3311	on_client_destroy => sub {
2988	my ($ns) = @_;	3312	my ($ns) = @_;
2989		3313
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3315	},
2992	);	3316	);
…		…
3008	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3009		3333
3010	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3011		3335
3012	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3015	sort time	3339	sort time
3016	));	3340	));
3017		3341
3018	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3021		3345
3022	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3023		3347
3024	cf::object	3348	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3027		3352
3028	cf::object::player	3353	cf::object::player
3029	player	3354	player
3030		3355
3031	cf::player	3356	cf::player
…		…
3036		3361
3037	=cut	3362	=cut
3038		3363
3039	for (	3364	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3046	) {	3371	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3374	for @funs;
3051	}	3375	}
3052		3376
…		…
3067		3391
3068	my $qcode = $code;	3392	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3071		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3072	local $_;	3399	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3400
3075	my $eval =	3401	my $eval =
3076	"do {\n"	3402	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3405	. $code
3080	. "\n}"	3406	. "\n}"
3081	;	3407	;
3082		3408
		3409	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3086		3418
3087	if ($@) {	3419	if ($@) {
3088	warn "$@";	3420	warn "$@",
3089	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3091	}	3423	}
3092		3424
3093	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3094	}	3426	}
3095		3427
…		…
3109	=cut	3441	=cut
3110		3442
3111	sub register_script_function {	3443	sub register_script_function {
3112	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3113		3445
3114	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3116	}	3448	}
3117		3449
3118	=back	3450	=back
3119		3451
3120	=cut	3452	=cut
…		…
3129	# for this (global event?)	3461	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3131		3463
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3465
3134	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3135		3467
3136	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3469
3142	$facedata->{version} == 2	3470	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3472
3145	# 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]);
3146	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,	3476	type => FT_RSRC,
3148	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),
3149	};	3479	};
3150	cf::cede_to_tick;	3480	cf::cede_to_tick;
3151		3481
3152	{	3482	{
3153	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
…		…
3155	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3487
3158	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	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} , $info->{glyph} ;
3162		3493
3163	cf::cede_to_tick;	3494	cf::cede_to_tick;
3164	}	3495	}
3165		3496
3166	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
…		…
3171		3502
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3506	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3508	}
3178		3509
3179	cf::cede_to_tick;	3510	cf::cede_to_tick;
3180	}	3511	}
3181	}	3512	}
…		…
3190		3521
3191	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3192	}	3523	}
3193		3524
3194	{	3525	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3198		3527
3199	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3529	if (defined $info->{type}) {
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3531
3204	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3533	cf::face::set_type $idx, $info->{type};
3219	} else {	3534	} else {
3220	$RESOURCE{$name} = $info;	3535	$RESOURCE{$name} = $info; # unused
3221	}	3536	}
3222		3537
3223	cf::cede_to_tick;	3538	cf::cede_to_tick;
3224	}	3539	}
3225	}	3540	}
3226		3541
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3543
3229	1	3544	1
3230	}	3545	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3546
3252	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3548	my ($ns, $want) = @_;
3254		3549
3255	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3257	}	3552	}
3258	};	3553	};
		3554
		3555	sub load_resource_file($) {
		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	$status
		3563	}
3259		3564
3260	sub reload_regions {	3565	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3567	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3277	}	3582	}
3278		3583
3279	sub reload_archetypes {	3584	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3587	}
3288		3588
3289	sub reload_treasures {	3589	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3292	}	3592	}
3293		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
3294	sub reload_resources {	3614	sub reload_resources {
3295	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3296		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3297	reload_regions;	3622	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3623	reload_treasures;
3302		3624
3303	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3626	}
3309		3627
3310	sub reload_config {	3628	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3312	or return;
3313		3630
3314	local $/;	3631	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3316		3634
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3636
3319	$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};
3320	$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};
3321		3639
3322	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3326	};	3644	};
3327	warn $@ if $@;	3645	warn $@ if $@;
3328	}	3646	}
3329	}	3647	}
3330		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
3331	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
3332	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3334	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#
3335	(async {	3690	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3339	};	3694	};
3340		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;
3341	reload_config;	3708	reload_config;
3342	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
3343	load_extensions;	3719	load_extensions;
3344		3720
3345	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3722
3347	EV::loop;	3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3348	}	3738	}
3349		3739
3350	#############################################################################	3740	#############################################################################
3351	# initialisation and cleanup	3741	# initialisation and cleanup
3352		3742
3353	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3354	BEGIN {	3744	BEGIN {
3355	our %SIGWATCHER = ();	3745	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3359	};	3749	};
3360	}	3750	}
3361	}	3751	}
3362		3752
3363	sub write_runtime {	3753	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3365		3755
3366	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3368		3758
3369	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3760
3371	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3372		3762
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3764	or return;
3375		3765
3376	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3389		3779
3390	close $fh	3780	close $fh
3391	or return;	3781	or return;
3392		3782
3393	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3784	and return;
3395		3785
3396	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		3787
3398	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3399	}	3839	}
3400		3840
3401	sub emergency_save() {	3841	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3403		3843
3404	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3405		3850
3406	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3407	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3860	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3862	$pl->save;
3416	}	3863	}
3417	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3418		3865
3419	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3871	$map->valid or next;
3423	$map->save;	3872	$map->save;
3424	}	3873	}
3425	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3426		3875
3427	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3430	};	3904	};
3431		3905
3432	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3433	}	3907	}
3434		3908
3435	sub post_cleanup {	3909	sub post_cleanup {
3436	my ($make_core) = @_;	3910	my ($make_core) = @_;
3437		3911
		3912	IO::AIO::flush;
		3913
3438	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3440	}	3944	}
3441		3945
3442	sub do_reload_perl() {	3946	sub do_reload_perl() {
3443	# can/must only be called in main	3947	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3445	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3446	return;	3950	return;
3447	}	3951	}
3448		3952
3449	warn "reloading...";	3953	return if $RELOAD++;
3450		3954
3451	warn "entering sync_job";	3955	my $t1 = AE::time;
3452		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3453	cf::sync_job {	3963	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	3964	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		3965
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	3968	%EXT_CORO = ();
3477		3969
3478	warn "removing commands";	3970	trace "perl_reload: removing commands";
3479	%COMMAND = ();	3971	%COMMAND = ();
3480		3972
3481	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	3974	%EXTCMD = ();
3483	%EXTICMD = ();	3975	%EXTICMD = ();
3484		3976
3485	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3488		3980
3489	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3490	eval {	3982	eval {
3491	$cb->($pkg);	3983	$cb->($pkg);
3492	1	3984	1
3493	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3494	}	3990	}
3495		3991
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		3995
3504	warn "... unloading $k";	3996	trace "... unloading $k";
3505	delete $INC{$k};	3997	delete $INC{$k};
3506		3998
3507	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3509		4001
3510	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3512	}	4007	}
3513		4008
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4012
3521	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4016
3525	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4018	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3528		4020
3529	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3530		4022
3531	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3532	require cf;	4024	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3534		4026
3535	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4028	cf::reload_config;
3537		4029
3538	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4031	cf::load_extensions;
3540		4032
		4033	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3547		4041
3548	warn "leaving sync_job";	4042	cf::_post_init 1;
3549		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3550	1	4046	1
3551	} or do {	4047	} or do {
3552	warn $@;	4048	error $@;
3553	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3555	};	4053	}
3556		4054
3557	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3558	};	4057	};
3559		4058
3560	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3561		4060
3562	sub reload_perl() {	4061	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3565		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3567	do_reload_perl;	4069	do_reload_perl;
3568	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
		4071	};
3569	};	4072	};
3570	}	4073	}
3571		4074
3572	register_command "reload" => sub {	4075	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4082	reload_perl;
3580	};	4083	};
3581	}	4084	}
3582	};	4085	};
3583		4086
3584	unshift @INC, $LIBDIR;	4087	#############################################################################
3585		4088
3586	my $bug_warning = 0;	4089	my $bug_warning = 0;
3587		4090
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4091	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4093
3595	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4095	}
3599		4096
3600	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4099
3604	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4102	$signal->wait;
3607	}	4103	}
3608		4104
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4105	sub tick {
3610	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3613	return;	4109	return;
3614	}	4110	}
3615		4111
3616	$NOW = $tick_start = EV::now;	4112	cf::one_tick; # one server iteration
3617		4113
3618	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4115
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4118	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4119	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4120	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
3629	};	4122	};
3630	}	4123	}
3631		4124
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4126	$sig->send;
3634	}	4127	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4129
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4132
3642	_post_tick;	4133	if (0) {
3643	};	4134	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
		4139	}
		4140	}
3645		4141
3646	{	4142	{
3647	# configure BDB	4143	# configure BDB
3648		4144
3649	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4146	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4147	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4148
3653	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4156
3660	cf::sync_job {	4157	cf::sync_job {
3661	eval {	4158	eval {
…		…
3687	{	4184	{
3688	# configure IO::AIO	4185	# configure IO::AIO
3689		4186
3690	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4189	undef $AnyEvent::AIO::WATCHER;
3693	}	4190	}
3694		4191
3695	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3696		4194
3697	sub _log_backtrace {	4195	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3699		4197
3700	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3701		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3705	async {	4208	async {
3706	$Coro::current->{desc} = "abt $msg";	4209	$Coro::current->{desc} = "abt $msg";
3707		4210
3708	my @bt = fork_call {	4211	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4223	}
3721		4224
3722	@funcs	4225	@funcs
3723	};	4226	};
3724		4227
3725	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4231	--$_log_backtrace;
3728	};	4232	};
3729	} else {	4233	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4236	}
3733	}	4237	}
3734		4238
3735	# load additional modules	4239	# load additional modules
3736	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3737		4242
3738	END { cf::emergency_save }	4243	END { cf::emergency_save }
3739		4244
3740	1	4245	1
3741		4246

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