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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.400 by root, Mon Dec 17 06:36:34 2007 UTC vs.
Revision 1.577 by root, Tue Jan 3 11:25:33 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML::Syck ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
89		134
90	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
92	our $NOW;	138	our $NOW;
93		139
94	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
98	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		146
101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
103	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
104		159
105	binmode STDOUT;	160	binmode STDOUT;
106	binmode STDERR;	161	binmode STDERR;
107		162
108	# read virtual server time, if available	163	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
113	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
114		171
115	mkdir $_	172	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		174
118	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
119		176
120	sub cf::map::normalise;	177	sub cf::map::normalise;
121		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
122	#############################################################################	183	#############################################################################
123		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
124	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
125		197
126	=over 4	198	=over 4
127		199
128	=item $cf::UPTIME	200	=item $cf::UPTIME
129		201
130	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
131		218
132	=item $cf::RUNTIME	219	=item $cf::RUNTIME
133		220
134	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
135	every server tick.	222	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
144	database environment.	231	database environment.
145		232
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	233	=item $cf::LOADAVG
155		234
156	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
167	from wherever your confdir points to.	246	from wherever your confdir points to.
168		247
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		249
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
175	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
176		272
177	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179	that call.	275	that call.
180		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
181	=back	283	=back
182		284
183	=cut	285	=cut
184		286
185	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
186	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
187	my $msg = join "", @_;	294	my $msg = join "", @_;
188		295
189	$msg .= "\n"	296	$msg .= "\n"
190	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
191		298
192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
193		300
194	LOG llevError, $msg;	301	LOG llevWarn, $msg;
195	};	302	};
196	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
197		317
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	328	for my $pkg (qw(
209	cf::global cf::attachable	329	cf::global cf::attachable
210	cf::object cf::object::player	330	cf::object cf::object::player
211	cf::client cf::player	331	cf::client cf::player
212	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
213	cf::map cf::party cf::region	334	cf::party cf::region
214	)) {	335	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	337	}
218		338
219	$EV::DIED = sub {	339	$EV::DIED = sub {
220	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
221	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
222		347
223	#############################################################################	348	#############################################################################
224		349
225	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
226		351
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	373	$d
249	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
250	}	375	}
251		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
252	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
253		392
254	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
255		394
256	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		402
264	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
266		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
267	=item cf::lock_wait $string	468	=item cf::lock_wait $string
268		469
269	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
270		471
271	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
272		473
273	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
276	returned.	477	returned.
277		478
278	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	480	deadlocked coro.
…		…
285		486
286	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
287		488
288	=cut	489	=cut
289		490
290	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		492
293	sub lock_wait($) {	493	sub lock_wait($) {
294	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	495	}
307		496
308	sub lock_acquire($) {	497	sub lock_acquire($) {
309	my ($key) = @_;	498	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	499	}
323		500
324	sub lock_active($) {	501	sub lock_active($) {
325	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	503	}
329		504
330	sub freeze_mainloop {	505	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
332		507
333	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;
335	};
336	$TICK_WATCHER->stop;
337	$guard
338	}	509	}
339		510
340	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
341		512
342	Like EV::periodic, but randomly selects a starting point so that the actions	513	Like EV::periodic, but randomly selects a starting point so that the actions
343	get spread over timer.	514	get spread over time.
344		515
345	=cut	516	=cut
346		517
347	sub periodic($$) {	518	sub periodic($$) {
348	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
352	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
353	}	524	}
354		525
355	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
356		527
357	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
358	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
359	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
360		535
361	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
362	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
363		538
364	Useful for short background jobs.	539	Useful for short background jobs.
365		540
366	=cut	541	=cut
367		542
368	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
369	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
370		546
371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
373	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
374		550
375	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
376		553
377	while () {	554	while () {
378	next_job:	555	next_job:
		556
379	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
380	if ($avail > 0.01) {	558
381	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
382	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
383	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
384	$job->[2]->send;	563	$job->[2]->send;
385	Coro::cede;	564	Coro::cede;
386	goto next_job;	565	goto next_job;
387	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
388	}	568	}
389	}	569	}
390		570
391	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
392	# we do not use wait_for_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
393	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
394	$signal->wait;
395	} else {	574	} else {
		575	$busy = 0;
396	Coro::schedule;	576	Coro::schedule;
397	}	577	}
398	}	578	}
399	};	579	};
400		580
401	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
402	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
403		585
404	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
405	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
406		589
407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
435	=cut	618	=cut
436		619
437	sub sync_job(&) {	620	sub sync_job(&) {
438	my ($job) = @_;	621	my ($job) = @_;
439		622
440	if ($Coro::current == $Coro::main) {	623	if (in_main) {
441	my $time = EV::time;	624	my $time = AE::time;
442		625
443	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
444	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
445		628
446	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
447		630
448	# TODO: use suspend/resume instead
449	# (but this is cancel-safe)
450	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
451		632
452	my $busy = 1;	633	my $busy = 1;
453	my @res;	634	my @res;
454		635
455	(async {	636	(async {
456	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
457	@res = eval { $job->() };	638	@res = eval { $job->() };
458	warn $@ if $@;	639	error $@ if $@;
459	undef $busy;	640	undef $busy;
460	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
461		642
462	while ($busy) {	643	while ($busy) {
463	if (Coro::nready) {	644	if (Coro::nready) {
…		…
465	} else {	646	} else {
466	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
467	}	648	}
468	}	649	}
469		650
470	$time = EV::time - $time;	651	my $time = AE::time - $time;
471		652
472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
476		654
477	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
478	} else {	656	} else {
479	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
480		658
…		…
500	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
501		679
502	$coro	680	$coro
503	}	681	}
504		682
505	=item fork_call { }, $args	683	=item fork_call { }, @args
506		684
507	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
508	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
509	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
510	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
511		689
512	=cut	690	=cut
513		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
514	sub fork_call(&@) {	696	sub fork_call(&@) {
515	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
516		698
517	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
518	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
519	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
520		702
521	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
522	reset_signals;	704	cf::post_fork;
523	&$cb	705	&$cb
524	}, @args;	706	} @args;
525		707
526	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
527	}	747	}
528		748
529	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
530		750
531	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
541	within each server.	761	within each server.
542		762
543	=cut	763	=cut
544		764
545	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
546	my ($name) = @_;	769	my ($name) = @_;
547	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
548		771
549	eval {	772	eval {
550	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
560	}	783	}
561		784
562	our $DB;	785	our $DB;
563		786
564	sub db_init {	787	sub db_init {
565	cf::sync_job {
566	$DB ||= db_table "db";	788	$DB ||= db_table "db";
567	};
568	}	789	}
569		790
570	sub db_get($$) {	791	sub db_get($$) {
571	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
572		793
573	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
574	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
575		798
576	$! ? ()	799	$! ? ()
577	: $data	800	: $data
578	}
579	}	801	}
580		802
581	sub db_put($$$) {	803	sub db_put($$$) {
582	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
611		833
612	my @data;	834	my @data;
613	my $md5;	835	my $md5;
614		836
615	for (0 .. $#$src) {	837	for (0 .. $#$src) {
616	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
617	or Carp::croak "$src->[$_]: $!";
618	}	839	}
619		840
620	# if processing is expensive, check	841	# if processing is expensive, check
621	# checksum first	842	# checksum first
622	if (1) {	843	if (1) {
…		…
639		860
640	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
641	my $data = $process->(\@data);	862	my $data = $process->(\@data);
642	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
643		864
644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
645		866
646	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
647	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
648	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
649		870
…		…
659		880
660	=cut	881	=cut
661		882
662	sub datalog($@) {	883	sub datalog($@) {
663	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
665	}	886	}
666		887
667	=back	888	=back
668		889
669	=cut	890	=cut
670		891
671	#############################################################################	892	#############################################################################
672		893
673	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
674		895
675	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
676	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
677	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
678		899
679	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
680	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
730	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
731		952
732	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
733	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
734		955
735	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
736	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
737		958
738	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
739		960
740	=over 4	961	=over 4
…		…
864		1085
865	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
866	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
867		1088
868	} elsif (ref $type) {	1089	} elsif (ref $type) {
869	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
870		1091
871	} else {	1092	} else {
872	shift @arg;	1093	shift @arg;
873	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
874	}	1095	}
875	}	1096	}
876	}	1097	}
877		1098
878	sub _object_attach {	1099	sub _object_attach {
…		…
888	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
889	}	1110	}
890		1111
891	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
892	} else {	1113	} else {
893	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
894	}	1115	}
895		1116
896	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
897	}	1118	}
898		1119
…		…
957		1178
958	for (@$callbacks) {	1179	for (@$callbacks) {
959	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
960		1181
961	if ($@) {	1182	if ($@) {
962	warn "$@";
963	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
964	override;	1184	override;
965	}	1185	}
966		1186
967	return 1 if $override;	1187	return 1 if $override;
968	}	1188	}
969		1189
970	0	1190	0
971	}	1191	}
972		1192
973	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
974		1194
975	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
976		1196
977	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
978		1198
…		…
1031		1251
1032	sub reattach {	1252	sub reattach {
1033	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1034	my ($obj) = @_;	1254	my ($obj) = @_;
1035		1255
		1256	# no longer needed after getting rid of delete_package?
1036	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1037		1258
1038	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1039		1260
1040	@$registry = ();	1261	@$registry = ();
1041		1262
…		…
1046	for (@$attach) {	1267	for (@$attach) {
1047	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1048	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1049	}	1270	}
1050	} else {	1271	} else {
1051	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1052	}	1273	}
1053	}	1274	}
1054	}	1275	}
1055		1276
1056	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1083	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1084		1305
1085	sync_job {	1306	sync_job {
1086	if (length $$rdata) {	1307	if (length $$rdata) {
1087	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1088	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1089	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1090		1312
1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1092	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1094	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1095	close $fh;	1320	aio_close $fh;
1096		1321
1097	if (@$objs) {	1322	if (@$objs) {
1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1099	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1101	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1102	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1103	close $fh;	1331	aio_close $fh;
1104	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1105	}	1333	}
1106	} else {	1334	} else {
1107	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1108	}	1336	}
1109		1337
1110	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1111	} else {	1342	} else {
1112	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1113	}	1344	}
1114	} else {	1345	} else {
1115	aio_unlink $filename;	1346	aio_unlink $filename;
1116	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1117	}	1348	}
…		…
1141	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1142	$av = $st->{objs};	1373	$av = $st->{objs};
1143	}	1374	}
1144		1375
1145	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1146	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1147	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1148		1380
1149	($data, $av)	1381	($data, $av)
1150	}	1382	}
1151		1383
1152	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1208	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1209		1441
1210	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1211	}	1443	}
1212		1444
		1445	use File::Glob ();
		1446
1213	cf::player->attach (	1447	cf::player->attach (
1214	on_command => sub {	1448	on_unknown_command => sub {
1215	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1216		1450
1217	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1218	or return;	1452	or return;
1219		1453
…		…
1227	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1228		1462
1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1230		1464
1231	if (ref $msg) {	1465	if (ref $msg) {
1232	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1233	"ARRAY" eq ref $msg
1234	? @$msg
1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1236		1467
1237	my @reply;	1468	my @reply;
1238		1469
1239	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1240	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1242		1473
1243	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1244	if $reply;	1475	if $reply;
1245		1476
1246	} else {	1477	} else {
1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1248	}	1479	}
1249		1480
1250	cf::override;	1481	cf::override;
1251	},	1482	},
1252	);	1483	);
1253		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1254	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1255	cf::sync_job {	1501	cf::sync_job {
1256	my %todo;	1502	my %todo;
1257		1503
1258	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1259	next unless -r $path;	1505	next unless -r $path;
…		…
1277		1523
1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280		1526
1281	$ext{source} =	1527	$ext{source} =
1282	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1283	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1284	. $source	1530	. $source
1285	. "\n};\n1";	1531	. "\n};\n1";
1286		1532
1287	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1288	}	1534	}
1289		1535
		1536	my $pass = 0;
1290	my %done;	1537	my %done;
1291	while (%todo) {	1538	while (%todo) {
1292	my $progress;	1539	my $progress;
1293		1540
		1541	++$pass;
		1542
		1543	ext:
1294	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1295	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1296	goto skip	1546	next ext
1297	unless exists $done{$_};	1547	unless exists $done{$_};
1298	}	1548	}
1299		1549
1300	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1301		1551
1302	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1303	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1304	: "$v->{base}: extension inactive.\n";
1305		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1306	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1307	warn $msg;	1559
1308	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1309	exit 1;	1561	delete $todo{$k};
1310	}	1562	} else {
1311		1563	$done{$k} = delete $todo{$k};
1312	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1313	}	1569	}
1314
1315	$done{$k} = delete $todo{$k};
1316	push @EXTS, $v->{pkg};
1317	$progress = 1;
1318	}	1570	}
1319		1571
1320	skip:	1572	unless ($progress) {
1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1322	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1323	}	1582	}
1324	};	1583	};
1325	}	1584	}
1326		1585
1327	#############################################################################	1586	#############################################################################
1328		1587
1329	=back	1588	=back
1330		1589
1331	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1332		1591
1333	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1334		1593
1335	=cut	1594	=cut
1336		1595
1337	package cf::player;	1596	package cf::player;
1338		1597
…		…
1381		1640
1382	sub exists($) {	1641	sub exists($) {
1383	my ($login) = @_;	1642	my ($login) = @_;
1384		1643
1385	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1386	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1387	}	1646	}
1388		1647
1389	sub find($) {	1648	sub find($) {
1390	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1391	my $login = $_[0];	1650	my $login = $_[0];
…		…
1403	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1404	or return;	1663	or return;
1405		1664
1406	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1407	or return;	1666	or return;
		1667
1408	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1409	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1410	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1411	}	1671	}
1412	}	1672	}
1413	}	1673	}
1414		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
		1687
1415	sub save($) {	1688	sub save($) {
1416	my ($pl) = @_;	1689	my ($pl) = @_;
1417		1690
1418	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1419		1692
…		…
1422		1695
1423	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1424		1697
1425	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1426	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1427		1705
1428	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1429	cf::cede_to_tick;	1707	cf::cede_to_tick;
1430	}	1708	}
1431		1709
…		…
1463	my ($pl) = @_;	1741	my ($pl) = @_;
1464		1742
1465	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1466		1744
1467	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1468	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1469		1747
1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1471	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1472	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1473	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1474		1756
1475	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1476	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1477	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1515		1797
1516	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1517	my $path = path $login;	1799	my $path = path $login;
1518		1800
1519	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1520	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1522	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1523	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1524	}	1807	}
1525		1808
…		…
1529		1812
1530	\@logins	1813	\@logins
1531	}	1814	}
1532		1815
1533	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1534		1819
1535	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1536	player. May block.	1821	player. May block.
1537		1822
1538	=cut	1823	=cut
…		…
1556	}	1841	}
1557		1842
1558	\@paths	1843	\@paths
1559	}	1844	}
1560		1845
1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1562		1847
1563	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1564
1565	=cut
1566
1567	use re 'eval';
1568
1569	my $group;
1570	my $interior; $interior = qr{
1571	# match a pod interior sequence sans C<< >>
1572	(?:
1573	\ (.*?)\ (?{ $group = $^N })
1574	| < (??{$interior}) >
1575	)
1576	}x;
1577
1578	sub expand_cfpod {
1579	my ($self, $pod) = @_;
1580
1581	my $xml;
1582
1583	while () {
1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585	$group = $1;
1586
1587	$group =~ s/&/&amp;/g;
1588	$group =~ s/</&lt;/g;
1589
1590	$xml .= $group;
1591	} elsif ($pod =~ m%\G
1592	([BCGHITU])
1593	<
1594	(?:
1595	([^<>]*) (?{ $group = $^N })
1596	| < $interior >
1597	)
1598	>
1599	%gcsx
1600	) {
1601	my ($code, $data) = ($1, $group);
1602
1603	if ($code eq "B") {
1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605	} elsif ($code eq "I") {
1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607	} elsif ($code eq "U") {
1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609	} elsif ($code eq "C") {
1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611	} elsif ($code eq "T") {
1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613	} elsif ($code eq "G") {
1614	my ($male, $female) = split /\|/, $data;
1615	$data = $self->gender ? $female : $male;
1616	$xml .= expand_cfpod ($self, $data);
1617	} elsif ($code eq "H") {
1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620	"")
1621	[$self->{hintmode}];
1622	} else {
1623	$xml .= "error processing '$code($data)' directive";
1624	}
1625	} else {
1626	if ($pod =~ /\G(.+)/) {
1627	warn "parse error while expanding $pod (at $1)";
1628	}
1629	last;
1630	}
1631	}
1632
1633	for ($xml) {
1634	# create single paragraphs (very hackish)
1635	s/(?<=\S)\n(?=\w)/ /g;
1636
1637	# compress some whitespace
1638	s/\s+\n/\n/g; # ws line-ends
1639	s/\n\n+/\n/g; # double lines
1640	s/^\n+//; # beginning lines
1641	s/\n+$//; # ending lines
1642	}
1643
1644	$xml
1645	}
1646
1647	no re 'eval';
1648
1649	sub hintmode {
1650	$_[0]{hintmode} = $_[1] if @_ > 1;
1651	$_[0]{hintmode}
1652	}
1653		1849
1654	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1655		1851
1656	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1657		1853
…		…
1689		1885
1690	=cut	1886	=cut
1691		1887
1692	sub find_by_path($) {	1888	sub find_by_path($) {
1693	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1694		1892
1695	my ($match, $specificity);	1893	my ($match, $specificity);
1696		1894
1697	for my $region (list) {	1895	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1724	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1725	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1726		1924
1727	sub generate_random_map {	1925	sub generate_random_map {
1728	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1729	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1730	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1734	$rmp->{exit_on_final_map},
1735	$rmp->{xsize}, $rmp->{ysize},
1736	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1737	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1738	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1739	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1742	)
1743	}	1931	}
1744		1932
1745	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1746		1934
1747	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1752		1940
1753	sub register {	1941	sub register {
1754	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1755	my $pkg = caller;	1943	my $pkg = caller;
1756		1944
1757	no strict;
1758	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1759		1946
1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1761	}	1948	}
1762		1949
1763	# also paths starting with '/'	1950	# also paths starting with '/'
1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1765		1952
1766	sub thawer_merge {	1953	sub thawer_merge {
1767	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1768		1955
1769	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1774	}	1961	}
1775		1962
1776	sub normalise {	1963	sub normalise {
1777	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1778		1965
1779	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1780		1967
1781	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1782		1969
1783	# map plan:	1970	# map plan:
1784	#	1971	#
…		…
1799	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1800	$path = "$base/$path";	1987	$path = "$base/$path";
1801	}	1988	}
1802		1989
1803	for ($path) {	1990	for ($path) {
1804	redo if s{//}{/};
1805	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1806	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1807	}	1993	}
1808		1994
1809	$path	1995	$path
…		…
1823	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1824	return $self;	2010	return $self;
1825	}	2011	}
1826	}	2012	}
1827		2013
1828	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1829	()	2015	()
1830	}	2016	}
1831		2017
		2018	# may re-bless or do other evil things
1832	sub init {	2019	sub init {
1833	my ($self) = @_;	2020	my ($self) = @_;
1834		2021
1835	$self	2022	$self
1836	}	2023	}
…		…
1855		2042
1856	# the temporary/swap location	2043	# the temporary/swap location
1857	sub save_path {	2044	sub save_path {
1858	my ($self) = @_;	2045	my ($self) = @_;
1859		2046
1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1861	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1862	}	2049	}
1863		2050
1864	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1865	sub uniq_path {	2052	sub uniq_path {
1866	my ($self) = @_;	2053	my ($self) = @_;
1867		2054
1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1869	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1870	}
1871
1872	# and all this just because we cannot iterate over
1873	# all maps in C++...
1874	sub change_all_map_light {
1875	my ($change) = @_;
1876
1877	$_->change_map_light ($change)
1878	for grep $_->outdoor, values %cf::MAP;
1879	}	2057	}
1880		2058
1881	sub decay_objects {	2059	sub decay_objects {
1882	my ($self) = @_;	2060	my ($self) = @_;
1883		2061
…		…
1910	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1911		2089
1912	1	2090	1
1913	}	2091	}
1914		2092
		2093	# used to laod the header of an original map
1915	sub load_header_orig {	2094	sub load_header_orig {
1916	my ($self) = @_;	2095	my ($self) = @_;
1917		2096
1918	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1919	}	2098	}
1920		2099
		2100	# used to laod the header of an instantiated map
1921	sub load_header_temp {	2101	sub load_header_temp {
1922	my ($self) = @_;	2102	my ($self) = @_;
1923		2103
1924	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1925	}	2105	}
1926		2106
		2107	# called after loading the header from an instantiated map
1927	sub prepare_temp {	2108	sub prepare_temp {
1928	my ($self) = @_;	2109	my ($self) = @_;
1929		2110
1930	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1931	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1932	# safety	2113	# safety
1933	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1934	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1935	}	2116	}
1936		2117
		2118	# called after loading the header from an original map
1937	sub prepare_orig {	2119	sub prepare_orig {
1938	my ($self) = @_;	2120	my ($self) = @_;
1939		2121
1940	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1941	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1965		2147
1966	sub find;	2148	sub find;
1967	sub find {	2149	sub find {
1968	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1969		2151
		2152	cf::cede_to_tick;
		2153
1970	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1971		2155
1972	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1973	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1974		2158
1975	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1976	my $guard1 = cf::lock_acquire "map_find:$path";
1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1978
1979	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1980	or return;	2161	or return;
1981		2162
1982	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1983		2164
…		…
1985	or return;	2166	or return;
1986		2167
1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1988	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1989	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1990	undef $guard1;	2172	undef $guard1;
1991	undef $guard2;
1992	$map->reset;	2173	$map->reset;
1993	return find $path;	2174	return find $path;
1994	}	2175	}
1995		2176
1996	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1997	}	2178	}
1998	}	2179	}
1999		2180
2000	sub pre_load { }	2181	sub pre_load { }
2001	sub post_load { }	2182	#sub post_load { } # XS
2002		2183
2003	sub load {	2184	sub load {
2004	my ($self) = @_;	2185	my ($self) = @_;
2005		2186
2006	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2009		2190
2010	{	2191	{
2011	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
2012		2193
2013	return unless $self->valid;	2194	return unless $self->valid;
2014	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
2015
2016	$self->in_memory (cf::MAP_LOADING);
2017		2196
2018	$self->alloc;	2197	$self->alloc;
2019		2198
2020	$self->pre_load;	2199	$self->pre_load;
2021	cf::cede_to_tick;	2200	cf::cede_to_tick;
2022		2201
		2202	if (exists $self->{load_path}) {
2023	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
2024	$f->skip_block;	2204	$f->skip_block;
2025	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
2026	or return;	2206	or return;
2027		2207
2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
2029	if delete $self->{load_original};	2209	if delete $self->{load_original};
2030		2210
2031	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
2032	utf8::encode $uniq;	2212	utf8::encode $uniq;
2033	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
2034	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
2035	$self->clear_unique_items;	2215	$self->clear_unique_items;
2036	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
2037	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
2038	}	2219	}
2039	}	2220	}
2040	}
2041		2221
2042	$f->resolve_delayed_derefs;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
2043		2229
2044	cf::cede_to_tick;	2230	cf::cede_to_tick;
2045	# now do the right thing for maps	2231	# now do the right thing for maps
2046	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
2047	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
2051	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
2052	$self->decay_objects;	2238	$self->decay_objects;
2053	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
2054	$self->update_buttons;	2240	$self->update_buttons;
2055	cf::cede_to_tick;	2241	cf::cede_to_tick;
2056	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
2057	cf::cede_to_tick;
2058	$self->activate;
2059	}	2243	}
2060		2244
2061	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
2062	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
2063
2064	$self->in_memory (cf::MAP_IN_MEMORY);
2065	}	2247	}
2066		2248
2067	$self->post_load;	2249	$self->post_load;
2068	}
2069		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
2070	sub customise_for {	2257	sub customise_for {
2071	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
2072		2259
2073	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
2074	if $self->per_player;	2261	if $self->per_player;
…		…
2077	# if $self->per_party;	2264	# if $self->per_party;
2078		2265
2079	$self	2266	$self
2080	}	2267	}
2081		2268
2082	# find and load all maps in the 3x3 area around a map
2083	sub load_neighbours {
2084	my ($map) = @_;
2085
2086	my @neigh; # diagonal neighbours
2087
2088	for (0 .. 3) {
2089	my $neigh = $map->tile_path ($_)
2090	or next;
2091	$neigh = find $neigh, $map
2092	or next;
2093	$neigh->load;
2094
2095	push @neigh,
2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2098	}
2099
2100	for (grep defined $_->[0], @neigh) {
2101	my ($path, $origin) = @$_;
2102	my $neigh = find $path, $origin
2103	or next;
2104	$neigh->load;
2105	}
2106	}
2107
2108	sub find_sync {	2269	sub find_sync {
2109	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2110		2271
2111	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
2112	}	2277	}
2113		2278
2114	sub do_load_sync {	2279	sub do_load_sync {
2115	my ($map) = @_;	2280	my ($map) = @_;
2116		2281
		2282	# it's a bug to call this from the main context
2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2118	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2119		2285
2120	cf::sync_job { $map->load };	2286	$map->load;
2121	}	2287	}
2122		2288
2123	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2124	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2125		2291
2126	sub find_async {	2292	sub find_async {
2127	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2128		2294
2129	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2130		2296
2131	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2133	}	2299	}
2134		2300
2135	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2136		2302
2137	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2151	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2152		2318
2153	()	2319	()
2154	}	2320	}
2155		2321
		2322	# common code, used by both ->save and ->swapout
2156	sub save {	2323	sub _save {
2157	my ($self) = @_;	2324	my ($self) = @_;
2158
2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
2160		2325
2161	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2162		2327
2163	return unless $self->dirty;	2328	return unless $self->dirty;
2164		2329
…		…
2173		2338
2174	cf::async {	2339	cf::async {
2175	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2176	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2177	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2178		2345
2179	if ($uniq) {	2346	if ($uniq) {
2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2181	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2182	} else {	2349	} else {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2184	}	2351	}
2185	}	2352	}
2186		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2187	sub swap_out {	2362	sub swap_out {
2188	my ($self) = @_;	2363	my ($self) = @_;
2189		2364
2190	# save first because save cedes
2191	$self->save;
2192
2193	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2194		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2195	return if $self->players;	2369	return if $self->players;
2196	return if $self->in_memory != cf::MAP_IN_MEMORY;	2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
		2380	$self->clear;
		2381	}
		2382
		2383	sub reset_at {
		2384	my ($self) = @_;
		2385
		2386	# TODO: safety, remove and allow resettable per-player maps
2197	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2198		2388
		2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2391
		2392	$time + $to
		2393	}
		2394
		2395	sub should_reset {
		2396	my ($self) = @_;
		2397
		2398	$self->reset_at <= $cf::RUNTIME
		2399	}
		2400
		2401	sub reset {
		2402	my ($self) = @_;
		2403
		2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2405
		2406	return if $self->players;
		2407
		2408	cf::trace "resetting map ", $self->path, "\n";
		2409
2199	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
		2419
		2420	delete $cf::MAP{$self->path};
2200		2421
2201	$self->deactivate;	2422	$self->deactivate;
2202	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2203	$self->clear;	2424	$self->clear;
2204	}
2205
2206	sub reset_at {
2207	my ($self) = @_;
2208
2209	# TODO: safety, remove and allow resettable per-player maps
2210	return 1e99 if $self->{deny_reset};
2211
2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2214
2215	$time + $to
2216	}
2217
2218	sub should_reset {
2219	my ($self) = @_;
2220
2221	$self->reset_at <= $cf::RUNTIME
2222	}
2223
2224	sub reset {
2225	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228
2229	return if $self->players;
2230
2231	warn "resetting map ", $self->path;
2232
2233	$self->in_memory (cf::MAP_SWAPPED);
2234
2235	# need to save uniques path
2236	unless ($self->{deny_save}) {
2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
2238
2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2240	if $uniq;
2241	}
2242
2243	delete $cf::MAP{$self->path};
2244
2245	$self->deactivate;
2246	$_->clear_links_to ($self) for values %cf::MAP;
2247	$self->clear;
2248		2425
2249	$self->unlink_save;	2426	$self->unlink_save;
2250	$self->destroy;	2427	$self->destroy;
2251	}	2428	}
2252		2429
…		…
2260		2437
2261	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2262		2439
2263	$self->unlink_save;	2440	$self->unlink_save;
2264		2441
2265	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2266	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2267	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2268	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2270		2447
…		…
2319		2496
2320	sub unique_maps() {	2497	sub unique_maps() {
2321	[	2498	[
2322	map {	2499	map {
2323	utf8::decode $_;	2500	utf8::decode $_;
2324	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2325	? normalise $_	2504	: normalise $_
2326	: ()
2327	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2328	]	2506	]
2329	}	2507	}
2330		2508
2331	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2332		2540
2333	=back	2541	=back
2334		2542
2335	=head3 cf::object	2543	=head3 cf::object
2336		2544
…		…
2340		2548
2341	=over 4	2549	=over 4
2342		2550
2343	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2344		2552
2345	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2346		2555
2347	=cut	2556	=cut
2348		2557
2349	sub inv_recursive_;	2558	sub inv_recursive_;
2350	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2355	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2356	}	2565	}
2357		2566
2358	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2359		2568
2360	creates and returns a persistent reference to an objetc that can be stored as a string.	2569	Creates and returns a persistent reference to an object that can be stored as a string.
2361		2570
2362	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2363		2572
2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2365	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2397	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2398	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2399		2608
2400	=cut	2609	=cut
2401		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
		2624
2402	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2403	# with dialog boxes.	2626	# with dialog boxes.
2404	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2405	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2406	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2417	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419		2642
2420	} else {	2643	} else {
2421	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2422	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2423	}	2646	}
2424	}	2647	}
2425	}	2648	}
2426		2649
2427	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2452		2675
2453	=item $player_object->enter_link	2676	=item $player_object->enter_link
2454		2677
2455	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2456		2679
2457	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2458	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2459		2684
2460	Will never block.	2685	Will never block.
2461		2686
2462	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2463		2688
…		…
2483	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2484	my ($self) = @_;	2709	my ($self) = @_;
2485		2710
2486	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2487		2712
		2713	++$self->{_link_recursion};
		2714
2488	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2489		2716
2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2491	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2492		2719
2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2494	}	2721	}
2495		2722
2496	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2497	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2498		2725
…		…
2515	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2516	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2517		2744
2518	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2519	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2520	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2521		2748
2522	$map->load;	2749	$map->load;
2523	$map->load_neighbours;
2524		2750
2525	return unless $self->contr->active;	2751	return unless $self->contr->active;
2526	$self->activate_recursive;
2527		2752
2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2529	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2530	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2531		2760
		2761	}
		2762
2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2533		2764
2534	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2535	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2536	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2537	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2538	be called at the end of this process.	2769	be called at the end of this process.
2539		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2540	=cut	2774	=cut
2541		2775
2542	our $GOTOGEN;	2776	our $GOTOGEN;
2543		2777
2544	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2545	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2546		2786
2547	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2549		2789
2550	$self->enter_link;	2790	$self->enter_link;
…		…
2570	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2571	}	2811	}
2572	}	2812	}
2573		2813
2574	my $map = eval {	2814	my $map = eval {
2575	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2576		2816
2577	if ($map) {	2817	if ($map) {
2578	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2579	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2580	} else {	2820	} else {
2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582	}	2822	}
2583		2823
2584	$map	2824	$map
…		…
2592	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2593	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2594	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2595	}	2835	}
2596		2836
2597	$done->() if $done;	2837	$done->($self) if $done;
2598	})->prio (1);	2838	})->prio (1);
2599	}	2839	}
2600		2840
2601	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2602		2842
…		…
2622	}	2862	}
2623		2863
2624	sub prepare_random_map {	2864	sub prepare_random_map {
2625	my ($exit) = @_;	2865	my ($exit) = @_;
2626		2866
2627	my $guard = cf::lock_acquire "exit_prepare:$exit";
2628
2629	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2630	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2631	# that depends on the exit object	2869	# that depends on the exit object
2632		2870
2633	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2635	if ($exit->map) {	2873	if ($exit->map) {
2636	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2637	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2638	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2639	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2640	}	2880	}
2641		2881
2642	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2643		2883
2644	my $data = cf::encode_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2645	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2646	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2647		2887
2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2649	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2650	undef $fh;	2890	undef $fh;
2651	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2652		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2653	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2654	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2655	}	2899	}
2656	}	2900	}
2657		2901
2658	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2659	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2660		2904
2661	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2662		2906
2663	if ($exit->slaying eq "/!") {
2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
2665	# the problem is that $exit might not survive long enough
2666	# so it needs to be done right now, right here
2667	cf::sync_job { prepare_random_map $exit };
2668	}
2669
2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2671	my $hp = $exit->stats->hp;
2672	my $sp = $exit->stats->sp;
2673
2674	$self->enter_link;	2907	$self->enter_link;
2675		2908
2676	# if exit is damned, update players death & WoR home-position
2677	$self->contr->savebed ($slaying, $hp, $sp)
2678	if $exit->flag (FLAG_DAMNED);
2679
2680	(async {	2909	(async {
2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2682		2911
2683	$self->deactivate_recursive; # just to be sure
2684	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2685	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2686		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2687	1;	2948	1
2688	}) {	2949	}) {
2689	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2690	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2691	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2692	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2693		2954
2694	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2695	$self->leave_link;	2956	$self->leave_link;
2696	}	2957	}
2697	})->prio (1);	2958	})->prio (1);
2698	}	2959	}
2699		2960
…		…
2711	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2712	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2713		2974
2714	utf8::encode $text;	2975	utf8::encode $text;
2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2716	}	3002	}
2717		3003
2718	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2719		3005
2720	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2724		3010
2725	=cut	3011	=cut
2726		3012
2727	# non-persistent channels (usually the info channel)	3013	# non-persistent channels (usually the info channel)
2728	our %CHANNEL = (	3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
2729	"c/identify" => {	3021	"c/identify" => {
2730	id => "infobox",	3022	id => "infobox",
2731	title => "Identify",	3023	title => "Identify",
2732	reply => undef,	3024	reply => undef,
2733	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2735	"c/examine" => {	3027	"c/examine" => {
2736	id => "infobox",	3028	id => "infobox",
2737	title => "Examine",	3029	title => "Examine",
2738	reply => undef,	3030	reply => undef,
2739	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
2740	},	3038	},
2741	"c/book" => {	3039	"c/book" => {
2742	id => "infobox",	3040	id => "infobox",
2743	title => "Book",	3041	title => "Book",
2744	reply => undef,	3042	reply => undef,
…		…
2760	id => "infobox",	3058	id => "infobox",
2761	title => "Body Parts",	3059	title => "Body Parts",
2762	reply => undef,	3060	reply => undef,
2763	tooltip => "Shows which body parts you posess and are available",	3061	tooltip => "Shows which body parts you posess and are available",
2764	},	3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
2765	"c/uptime" => {	3099	"c/uptime" => {
2766	id => "infobox",	3100	id => "infobox",
2767	title => "Uptime",	3101	title => "Uptime",
2768	reply => undef,	3102	reply => undef,
2769	tooltip => "How long the server has been running since last restart",	3103	tooltip => "How long the server has been running since last restart",
…		…
2772	id => "infobox",	3106	id => "infobox",
2773	title => "Map Info",	3107	title => "Map Info",
2774	reply => undef,	3108	reply => undef,
2775	tooltip => "Information related to the maps",	3109	tooltip => "Information related to the maps",
2776	},	3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
2777	);	3125	);
2778		3126
2779	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2780	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2781		3129
2782	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2783		3132
2784	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2785		3134
2786	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2787	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2788	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2789		3138
2790	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2791	if $self->can_msg;
2792
2793	$channel = $channel->{id};	3140	$channel = $channel->{id};
2794		3141
2795	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2796	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2797	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2798	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2799	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2800	if $self->can_msg;
2801	}	3147	}
2802		3148
2803	$channel = $channel->{id};	3149	$channel = $channel->{id};
2804	}	3150	}
2805		3151
2806	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2807		3153
2808	if ($self->can_msg) {
2809	# default colour, mask it out	3154	# default colour, mask it out
2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2812		3157
2813	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2815	} else {	3161	);
2816	if ($color >= 0) {
2817	# replace some tags by gcfclient-compatible ones
2818	for ($msg) {
2819	1 while
2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825	}
2826		3162
2827	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2828
2829	utf8::encode $msg;
2830
2831	if (0 && $msg =~ /\[/) {
2832	# COMMAND/INFO
2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
2834	} else {
2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836	$self->send_packet ("drawinfo $color $msg")
2837	}
2838	}
2839	}
2840	}	3164	}
2841		3165
2842	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2843		3167
2844	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2847		3171
2848	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2849	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2850		3174
2851	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2854	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856	}	3180	}
2857	}	3181	}
2858		3182
2859	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2860		3184
…		…
2863	=cut	3187	=cut
2864		3188
2865	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2866	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2867		3191
2868	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870	} elsif ($self->extcmd == 1) {
2871	#TODO: version 1, remove
2872	unshift @msg, msgtype => "reply", msgid => $id;
2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874	}
2875	}	3195	}
2876		3196
2877	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2878		3198
2879	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2934	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2935		3255
2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2937		3257
2938	if (ref $msg) {	3258	if (ref $msg) {
2939	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2940	"ARRAY" eq ref $msg
2941	? @$msg
2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2943		3260
2944	my @reply;	3261	my @reply;
2945		3262
2946	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2947	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2949		3266
2950	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2951	if $reply;	3268	if $reply;
2952		3269
2953	} else {	3270	} else {
2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2955	}	3272	}
2956		3273
2957	cf::override;	3274	cf::override;
2958	},	3275	},
2959	);	3276	);
…		…
2979		3296
2980	$coro	3297	$coro
2981	}	3298	}
2982		3299
2983	cf::client->attach (	3300	cf::client->attach (
2984	on_destroy => sub {	3301	on_client_destroy => sub {
2985	my ($ns) = @_;	3302	my ($ns) = @_;
2986		3303
2987	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2988	},	3305	},
2989	);	3306	);
…		…
3005	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
3006		3323
3007	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
3008		3325
3009	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
3010	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
3011	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
3012	sort time	3329	sort time
3013	));	3330	));
3014		3331
3015	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
3018		3335
3019	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
3020		3337
3021	cf::object	3338	cf::object
3022	contr pay_amount pay_player map x y force_find force_add destroy	3339	contr pay_amount pay_player map x y force_find force_add destroy
3023	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
3024		3342
3025	cf::object::player	3343	cf::object::player
3026	player	3344	player
3027		3345
3028	cf::player	3346	cf::player
…		…
3033		3351
3034	=cut	3352	=cut
3035		3353
3036	for (	3354	for (
3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
3039	decrease_ob_nr destroy)],	3357	decrease split destroy change_exp value msg lore send_msg)],
3040	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
3041	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
3042	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
3043	) {	3361	) {
3044	no strict 'refs';
3045	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
3046	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3047	for @funs;	3364	for @funs;
3048	}	3365	}
3049		3366
…		…
3064		3381
3065	my $qcode = $code;	3382	my $qcode = $code;
3066	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3067	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
3068		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
3069	local $_;	3389	local $_;
3070	local @safe::cf::_safe_eval_args = values %vars;
3071		3390
3072	my $eval =	3391	my $eval =
3073	"do {\n"	3392	"do {\n"
3074	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3075	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
3076	. $code	3395	. $code
3077	. "\n}"	3396	. "\n}"
3078	;	3397	;
3079		3398
		3399	if ($CFG{safe_eval}) {
3080	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
3081	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3082	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
3083		3408
3084	if ($@) {	3409	if ($@) {
3085	warn "$@";	3410	warn "$@",
3086	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
3087	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
3088	}	3413	}
3089		3414
3090	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
3091	}	3416	}
3092		3417
…		…
3106	=cut	3431	=cut
3107		3432
3108	sub register_script_function {	3433	sub register_script_function {
3109	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
3110		3435
3111	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
3112	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
3113	}	3438	}
3114		3439
3115	=back	3440	=back
3116		3441
3117	=cut	3442	=cut
…		…
3126	# for this (global event?)	3451	# for this (global event?)
3127	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3128		3453
3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3130		3455
3131	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3132		3457
3133	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3134	0 < aio_load $path, $facedata
3135	or die "$path: $!";
3136
3137	$facedata = Coro::Storable::thaw $facedata;
3138		3459
3139	$facedata->{version} == 2	3460	$facedata->{version} == 2
3140	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3141		3462
3142	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3143	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3144	type => FT_RSRC,	3466	type => FT_RSRC,
3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
3146	};	3469	};
3147	cf::cede_to_tick;	3470	cf::cede_to_tick;
3148		3471
3149	{	3472	{
3150	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
3151		3474
3152	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
3154	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3155	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3158		3483
3159	cf::cede_to_tick;	3484	cf::cede_to_tick;
3160	}	3485	}
3161		3486
3162	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
3163	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
3164	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
3165	or next;	3491	or next;
		3492
3166	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3167	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3169	} else {	3496	} else {
3170	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3171	}	3498	}
3172		3499
3173	cf::cede_to_tick;	3500	cf::cede_to_tick;
3174	}	3501	}
3175	}	3502	}
…		…
3184		3511
3185	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3186	}	3513	}
3187		3514
3188	{	3515	{
3189	# TODO: for gcfclient pleasure, we should give resources
3190	# that gcfclient doesn't grok a >10000 face index.
3191	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3192		3517
3193	my $soundconf = delete $res->{"res/sound.conf"};
3194
3195	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197	my $data;
3198		3521
3199	if ($info->{type} & 1) {	3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3200	# prepend meta info	3523	cf::face::set_type $idx, $info->{type};
3201
3202	my $meta = $enc->encode ({
3203	name => $name,
3204	%{ $info->{meta} || {} },
3205	});
3206
3207	$data = pack "(w/a*)*", $meta, $info->{data};
3208	} else {	3524	} else {
3209	$data = $info->{data};	3525	$RESOURCE{$name} = $info; # unused
3210	}	3526	}
3211		3527
3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213	cf::face::set_type $idx, $info->{type};
3214
3215	cf::cede_to_tick;	3528	cf::cede_to_tick;
3216	}	3529	}
3217
3218	if ($soundconf) {
3219	$soundconf = $enc->decode (delete $soundconf->{data});
3220
3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222	my $sound = $soundconf->{compat}[$_]
3223	or next;
3224
3225	my $face = cf::face::find "sound/$sound->[1]";
3226	cf::sound::set $sound->[0] => $face;
3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228	}
3229
3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
3231	my $face = cf::face::find "sound/$v";
3232	cf::sound::set $k => $face;
3233	}
3234	}
3235	}	3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3236		3533
3237	1	3534	1
3238	}	3535	}
3239		3536
3240	register_exticmd fx_want => sub {	3537	register_exticmd fx_want => sub {
…		…
3242		3539
3243	while (my ($k, $v) = each %$want) {	3540	while (my ($k, $v) = each %$want) {
3244	$ns->fx_want ($k, $v);	3541	$ns->fx_want ($k, $v);
3245	}	3542	}
3246	};	3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
3247		3554
3248	sub reload_regions {	3555	sub reload_regions {
3249	# HACK to clear player env face cache, we need some signal framework	3556	# HACK to clear player env face cache, we need some signal framework
3250	# for this (global event?)	3557	# for this (global event?)
3251	%ext::player_env::MUSIC_FACE_CACHE = ();	3558	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3265	}	3572	}
3266		3573
3267	sub reload_archetypes {	3574	sub reload_archetypes {
3268	load_resource_file "$DATADIR/archetypes"	3575	load_resource_file "$DATADIR/archetypes"
3269	or die "unable to load archetypes\n";	3576	or die "unable to load archetypes\n";
3270	#d# NEED to laod twice to resolve forward references
3271	# this really needs to be done in an extra post-pass
3272	# (which needs to be synchronous, so solve it differently)
3273	load_resource_file "$DATADIR/archetypes"
3274	or die "unable to load archetypes\n";
3275	}	3577	}
3276		3578
3277	sub reload_treasures {	3579	sub reload_treasures {
3278	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
3279	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
3280	}	3582	}
3281		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
3282	sub reload_resources {	3604	sub reload_resources {
3283	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
3284		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
3285	reload_regions;	3612	reload_regions;
3286	reload_facedata;
3287	#reload_archetypes;#d#
3288	reload_archetypes;
3289	reload_treasures;	3613	reload_treasures;
3290		3614
3291	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
3292	}
3293
3294	sub init {
3295	reload_resources;
3296	}	3616	}
3297		3617
3298	sub reload_config {	3618	sub reload_config {
3299	open my $fh, "<:utf8", "$CONFDIR/config"	3619	trace "reloading config file...\n";
3300	or return;
3301		3620
3302	local $/;	3621	my $config = load_file "$CONFDIR/config";
3303	*CFG = YAML::Syck::Load <$fh>;	3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
3304		3624
3305	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3306		3626
3307	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3308	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3309		3629
3310	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
3314	};	3634	};
3315	warn $@ if $@;	3635	warn $@ if $@;
3316	}	3636	}
3317	}	3637	}
3318		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
3319	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
3320	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
3321	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3323	(async {	3680	(async {
3324	$Coro::current->{desc} = "IDLE BUG HANDLER";	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
3325	EV::loop EV::LOOP_ONESHOT;	3682	EV::loop EV::LOOP_ONESHOT;
3326	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
3327	};	3684	};
3328		3685
		3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
3329	reload_config;	3698	reload_config;
3330	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
3331	load_extensions;	3709	load_extensions;
3332		3710
3333	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3712
3335	EV::loop;	3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
3336	}	3728	}
3337		3729
3338	#############################################################################	3730	#############################################################################
3339	# initialisation and cleanup	3731	# initialisation and cleanup
3340		3732
3341	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
3342	BEGIN {	3734	BEGIN {
3343	our %SIGWATCHER = ();	3735	our %SIGWATCHER = ();
3344	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3346	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
3347	};	3739	};
3348	}	3740	}
3349	}	3741	}
3350		3742
3351	sub write_runtime {	3743	sub write_runtime_sync {
3352	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
3353		3745
3354	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
3355	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
3356		3748
3357	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3358		3750
3359	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
3360		3752
3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3362	or return;	3754	or return;
3363		3755
3364	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
3365	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
3366	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
3376	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
3377		3769
3378	close $fh	3770	close $fh
3379	or return;	3771	or return;
3380		3772
3381	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3382	and return;	3774	and return;
3383		3775
3384	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3385		3777
3386	1	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
3387	}	3829	}
3388		3830
3389	sub emergency_save() {	3831	sub emergency_save() {
3390	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
3391		3833
3392	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
3393		3840
3394	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
3395	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
3396	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
3397	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
3398	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
3399	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
3400	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
3401	$pl->valid or next;	3850	$pl->valid or next;
3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3403	$pl->save;	3852	$pl->save;
3404	}	3853	}
3405	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
3406		3855
3407	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
3408	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
3409	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
3410	$map->valid or next;	3861	$map->valid or next;
3411	$map->save;	3862	$map->save;
3412	}	3863	}
3413	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
3414		3865
3415	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
3416	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
3417	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
3418	};	3894	};
3419		3895
3420	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
3421	}	3897	}
3422		3898
3423	sub post_cleanup {	3899	sub post_cleanup {
3424	my ($make_core) = @_;	3900	my ($make_core) = @_;
3425		3901
		3902	IO::AIO::flush;
		3903
3426	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
3427	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
3428	}	3934	}
3429		3935
3430	sub do_reload_perl() {	3936	sub do_reload_perl() {
3431	# can/must only be called in main	3937	# can/must only be called in main
3432	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
3433	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
3434	return;	3940	return;
3435	}	3941	}
3436		3942
3437	warn "reloading...";	3943	return if $RELOAD++;
3438		3944
3439	warn "entering sync_job";	3945	my $t1 = AE::time;
3440		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
3441	cf::sync_job {	3953	cf::sync_job {
3442	cf::write_runtime; # external watchdog should not bark
3443	cf::emergency_save;	3954	#cf::emergency_save;
3444	cf::write_runtime; # external watchdog should not bark
3445		3955
3446	warn "syncing database to disk";
3447	BDB::db_env_txn_checkpoint $DB_ENV;
3448
3449	# if anything goes wrong in here, we should simply crash as we already saved
3450
3451	warn "flushing outstanding aio requests";
3452	for (;;) {
3453	BDB::flush;
3454	IO::AIO::flush;
3455	Coro::cede_notself;
3456	last unless IO::AIO::nreqs || BDB::nreqs;
3457	warn "iterate...";
3458	}
3459
3460	++$RELOAD;
3461
3462	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
3463	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
3464	%EXT_CORO = ();	3958	%EXT_CORO = ();
3465		3959
3466	warn "removing commands";	3960	trace "perl_reload: removing commands";
3467	%COMMAND = ();	3961	%COMMAND = ();
3468		3962
3469	warn "removing ext/exti commands";	3963	trace "perl_reload: removing ext/exti commands";
3470	%EXTCMD = ();	3964	%EXTCMD = ();
3471	%EXTICMD = ();	3965	%EXTICMD = ();
3472		3966
3473	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
3474	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
3475	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
3476		3970
3477	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
3478	eval {	3972	eval {
3479	$cb->($pkg);	3973	$cb->($pkg);
3480	1	3974	1
3481	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
3482	}	3980	}
3483		3981
3484	warn "... nuking $pkg";
3485	Symbol::delete_package $pkg;
3486	}
3487
3488	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3489	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
3490	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3491		3985
3492	warn "... unloading $k";	3986	trace "... unloading $k";
3493	delete $INC{$k};	3987	delete $INC{$k};
3494		3988
3495	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
3496	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
3497		3991
3498	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
3499	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
3500	}	3997	}
3501		3998
3502	Symbol::delete_package $k;
3503	}
3504
3505	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
3506	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3508		4002
3509	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
3510	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
3511	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3512		4006
3513	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
3514	# and global variables created in xs	4008	# and global variables created in xs
3515	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
3516		4010
3517	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
3518		4012
3519	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
3520	require cf;	4014	require cf;
3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
3522		4016
3523	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
3524	cf::reload_config;	4018	cf::reload_config;
3525		4019
3526	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
3527	cf::load_extensions;	4021	cf::load_extensions;
3528		4022
		4023	if ($REATTACH_ON_RELOAD) {
3529	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
3530	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
3531	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
3532	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
3533	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
3534	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
3535		4031
3536	warn "leaving sync_job";	4032	cf::_post_init 1;
3537		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
3538	1	4036	1
3539	} or do {	4037	} or do {
3540	warn $@;	4038	error $@;
3541	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
3542	exit 1;	4040	};
		4041
		4042	--$RELOAD;
3543	};	4043	}
3544		4044
3545	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
3546	};	4047	};
3547		4048
3548	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
3549		4050
3550	sub reload_perl() {	4051	sub reload_perl() {
3551	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
3552	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
3553		4054
		4055	$RELOAD_WATCHER ||= cf::async {
		4056	Coro::AIO::aio_wait cache_extensions;
		4057
3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4059	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
3556	do_reload_perl;	4061	};
3557	};	4062	};
3558	}	4063	}
3559		4064
3560	register_command "reload" => sub {	4065	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
…		…
3567	reload_perl;	4072	reload_perl;
3568	};	4073	};
3569	}	4074	}
3570	};	4075	};
3571		4076
3572	unshift @INC, $LIBDIR;	4077	#############################################################################
3573		4078
3574	my $bug_warning = 0;	4079	my $bug_warning = 0;
3575		4080
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4081	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4083
3583	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4085	}
3587		4086
3588	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4089
3592	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4092	$signal->wait;
3595	}	4093	}
3596		4094
3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4095	sub tick {
3598	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3600	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3601	return;	4099	return;
3602	}	4100	}
3603		4101
3604	$NOW = $tick_start = EV::now;	4102	cf::one_tick; # one server iteration
3605		4103
3606	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3607
3608	$RUNTIME += $TICK;
3609	$NEXT_TICK += $TICK;
3610		4105
3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3612	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3613	Coro::async_pool {	4108	Coro::async_pool {
3614	$Coro::current->{desc} = "runtime saver";	4109	$Coro::current->{desc} = "runtime saver";
3615	write_runtime	4110	write_runtime_sync
3616	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3617	};	4112	};
3618	}	4113	}
3619		4114
3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3621	$sig->send;	4116	$sig->send;
3622	}	4117	}
3623	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3624	$sig->send;
3625	}
3626		4119
3627	$LOAD = ($NOW - $tick_start) / $TICK;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629		4122
3630	_post_tick;	4123	if (0) {
3631	};	4124	if ($NEXT_TICK) {
3632	$TICK_WATCHER->priority (EV::MAXPRI);	4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
		4129	}
		4130	}
3633		4131
3634	{	4132	{
		4133	# configure BDB
		4134
3635	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3636	BDB::max_poll_reqs $TICK * 0.1;	4136	BDB::max_poll_reqs $TICK * 0.1;
		4137	#$AnyEvent::BDB::WATCHER->priority (1);
3637		4138
3638	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3639	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
3640	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3641	| BDB::LOG_AUTOREMOVE, 1);	4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3642	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3643	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3644		4146
3645	cf::sync_job {	4147	cf::sync_job {
3646	eval {	4148	eval {
…		…
3668	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3669	};	4171	};
3670	}	4172	}
3671		4173
3672	{	4174	{
		4175	# configure IO::AIO
		4176
3673	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3674
3675	undef $Coro::AIO::WATCHER;
3676	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3677	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4179	undef $AnyEvent::AIO::WATCHER;
3678	}	4180	}
3679		4181
3680	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3681		4184
3682	sub _log_backtrace {	4185	sub _log_backtrace {
3683	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3684		4187
3685	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3686		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3687	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3688	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3689	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3690	async {	4198	async {
3691	$Coro::current->{desc} = "abt $msg";	4199	$Coro::current->{desc} = "abt $msg";
3692		4200
3693	my @bt = fork_call {	4201	my @bt = fork_call {
3694	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
…		…
3705	}	4213	}
3706		4214
3707	@funcs	4215	@funcs
3708	};	4216	};
3709		4217
3710	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3711	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3712	--$_log_backtrace;	4221	--$_log_backtrace;
3713	};	4222	};
3714	} else {	4223	} else {
3715	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3716	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3717	}	4226	}
3718	}	4227	}
3719		4228
3720	# load additional modules	4229	# load additional modules
3721	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3722		4232
3723	END { cf::emergency_save }	4233	END { cf::emergency_save }
3724		4234
3725	1	4235	1
3726		4236

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