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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC vs.
Revision 1.577 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 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
44	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
89		134
90	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
92		139
93	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
94	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
95	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
96		143
97	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
99		146
100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
101	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
102	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
103		159
104	binmode STDOUT;	160	binmode STDOUT;
105	binmode STDERR;	161	binmode STDERR;
106		162
107	# read virtual server time, if available	163	# read virtual server time, if available
108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
109	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
110	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
111	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
112	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
113		171
114	mkdir $_	172	mkdir $_
115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
116		174
117	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
118		176
119	sub cf::map::normalise;	177	sub cf::map::normalise;
120		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
121	#############################################################################	183	#############################################################################
122		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
123	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
124		197
125	=over 4	198	=over 4
126		199
127	=item $cf::UPTIME	200	=item $cf::UPTIME
128		201
129	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
130		218
131	=item $cf::RUNTIME	219	=item $cf::RUNTIME
132		220
133	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
134	every server tick.	222	every server tick.
…		…
140	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
143	database environment.	231	database environment.
144		232
145	=item $cf::NOW
146
147	The time of the last (current) server tick.
148
149	=item $cf::TICK
150
151	The interval between server ticks, in seconds.
152
153	=item $cf::LOADAVG	233	=item $cf::LOADAVG
154		234
155	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
156	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
157	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
166	from wherever your confdir points to.	246	from wherever your confdir points to.
167		247
168	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
169		249
170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
171	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
173		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
174	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
175		272
176	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
178	that call.	275	that call.
179		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
180	=back	283	=back
181		284
182	=cut	285	=cut
183		286
184	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
185	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
186	my $msg = join "", @_;	294	my $msg = join "", @_;
187		295
188	$msg .= "\n"	296	$msg .= "\n"
189	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
190		298
191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
192		300
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$EV::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
265		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
277	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		492
292	sub lock_wait($) {	493	sub lock_wait($) {
293	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	495	}
306		496
307	sub lock_acquire($) {	497	sub lock_acquire($) {
308	my ($key) = @_;	498	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	499	}
322		500
323	sub lock_active($) {	501	sub lock_active($) {
324	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	503	}
328		504
329	sub freeze_mainloop {	505	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
331		507
332	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;
334	};
335	$TICK_WATCHER->stop;
336	$guard
337	}	509	}
338		510
339	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
340		512
341	Like EV::periodic, but randomly selects a starting point so that the actions	513	Like EV::periodic, but randomly selects a starting point so that the actions
342	get spread over timer.	514	get spread over time.
343		515
344	=cut	516	=cut
345		517
346	sub periodic($$) {	518	sub periodic($$) {
347	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
351	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
352	}	524	}
353		525
354	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
355		527
356	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
357	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
358	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
359		535
360	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
361	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
362		538
363	Useful for short background jobs.	539	Useful for short background jobs.
364		540
365	=cut	541	=cut
366		542
367	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
368	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
369		546
370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
372	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
373		550
374	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
375		553
376	while () {	554	while () {
377	next_job:	555	next_job:
		556
378	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
379	if ($avail > 0.01) {	558
380	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
381	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
382	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
383	$job->[2]->send;	563	$job->[2]->send;
384	Coro::cede;	564	Coro::cede;
385	goto next_job;	565	goto next_job;
386	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
387	}	568	}
388	}	569	}
389		570
390	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
391	# we do not use wait_for_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
392	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
393	$signal->wait;
394	} else {	574	} else {
		575	$busy = 0;
395	Coro::schedule;	576	Coro::schedule;
396	}	577	}
397	}	578	}
398	};	579	};
399		580
400	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
401	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
402		585
403	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
404	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
405		589
406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
434	=cut	618	=cut
435		619
436	sub sync_job(&) {	620	sub sync_job(&) {
437	my ($job) = @_;	621	my ($job) = @_;
438		622
439	if ($Coro::current == $Coro::main) {	623	if (in_main) {
440	my $time = EV::time;	624	my $time = AE::time;
441		625
442	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
443	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
444		628
445	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
446		630
447	# TODO: use suspend/resume instead
448	# (but this is cancel-safe)
449	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
450		632
451	my $busy = 1;	633	my $busy = 1;
452	my @res;	634	my @res;
453		635
454	(async {	636	(async {
455	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
456	@res = eval { $job->() };	638	@res = eval { $job->() };
457	warn $@ if $@;	639	error $@ if $@;
458	undef $busy;	640	undef $busy;
459	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
460		642
461	while ($busy) {	643	while ($busy) {
462	if (Coro::nready) {	644	if (Coro::nready) {
…		…
464	} else {	646	} else {
465	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
466	}	648	}
467	}	649	}
468		650
469	$time = EV::time - $time;	651	my $time = AE::time - $time;
470		652
471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
475		654
476	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
477	} else {	656	} else {
478	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
479		658
…		…
499	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
500		679
501	$coro	680	$coro
502	}	681	}
503		682
504	=item fork_call { }, $args	683	=item fork_call { }, @args
505		684
506	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
507	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
508	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
509	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
510		689
511	=cut	690	=cut
512		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
513	sub fork_call(&@) {	696	sub fork_call(&@) {
514	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
515		698
516	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
517	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
518	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
519		702
520	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
521	reset_signals;	704	cf::post_fork;
522	&$cb	705	&$cb
523	}, @args;	706	} @args;
524		707
525	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
526	}	747	}
527		748
528	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
529		750
530	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
540	within each server.	761	within each server.
541		762
542	=cut	763	=cut
543		764
544	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
545	my ($name) = @_;	769	my ($name) = @_;
546	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
547		771
548	eval {	772	eval {
549	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
559	}	783	}
560		784
561	our $DB;	785	our $DB;
562		786
563	sub db_init {	787	sub db_init {
564	cf::sync_job {
565	$DB ||= db_table "db";	788	$DB ||= db_table "db";
566	};
567	}	789	}
568		790
569	sub db_get($$) {	791	sub db_get($$) {
570	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
571		793
572	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
573	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
574		798
575	$! ? ()	799	$! ? ()
576	: $data	800	: $data
577	}
578	}	801	}
579		802
580	sub db_put($$$) {	803	sub db_put($$$) {
581	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
610		833
611	my @data;	834	my @data;
612	my $md5;	835	my $md5;
613		836
614	for (0 .. $#$src) {	837	for (0 .. $#$src) {
615	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
616	or Carp::croak "$src->[$_]: $!";
617	}	839	}
618		840
619	# if processing is expensive, check	841	# if processing is expensive, check
620	# checksum first	842	# checksum first
621	if (1) {	843	if (1) {
…		…
638		860
639	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
640	my $data = $process->(\@data);	862	my $data = $process->(\@data);
641	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
642		864
643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
644		866
645	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
646	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
647	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
648		870
…		…
658		880
659	=cut	881	=cut
660		882
661	sub datalog($@) {	883	sub datalog($@) {
662	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
664	}	886	}
665		887
666	=back	888	=back
667		889
668	=cut	890	=cut
669		891
670	#############################################################################	892	#############################################################################
671		893
672	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
673		895
674	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
675	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
676	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
677		899
678	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
679	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
729	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
730		952
731	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
732	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
733		955
734	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
735	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
736		958
737	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
738		960
739	=over 4	961	=over 4
…		…
863		1085
864	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
865	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
866		1088
867	} elsif (ref $type) {	1089	} elsif (ref $type) {
868	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
869		1091
870	} else {	1092	} else {
871	shift @arg;	1093	shift @arg;
872	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
873	}	1095	}
874	}	1096	}
875	}	1097	}
876		1098
877	sub _object_attach {	1099	sub _object_attach {
…		…
887	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
888	}	1110	}
889		1111
890	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
891	} else {	1113	} else {
892	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
893	}	1115	}
894		1116
895	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
896	}	1118	}
897		1119
…		…
956		1178
957	for (@$callbacks) {	1179	for (@$callbacks) {
958	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
959		1181
960	if ($@) {	1182	if ($@) {
961	warn "$@";
962	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
963	override;	1184	override;
964	}	1185	}
965		1186
966	return 1 if $override;	1187	return 1 if $override;
967	}	1188	}
968		1189
969	0	1190	0
970	}	1191	}
971		1192
972	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
973		1194
974	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
975		1196
976	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
977		1198
…		…
1030		1251
1031	sub reattach {	1252	sub reattach {
1032	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1033	my ($obj) = @_;	1254	my ($obj) = @_;
1034		1255
		1256	# no longer needed after getting rid of delete_package?
1035	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1036		1258
1037	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1038		1260
1039	@$registry = ();	1261	@$registry = ();
1040		1262
…		…
1045	for (@$attach) {	1267	for (@$attach) {
1046	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1047	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1048	}	1270	}
1049	} else {	1271	} else {
1050	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1051	}	1273	}
1052	}	1274	}
1053	}	1275	}
1054		1276
1055	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1082	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1083		1305
1084	sync_job {	1306	sync_job {
1085	if (length $$rdata) {	1307	if (length $$rdata) {
1086	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1087	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1088	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1089		1312
1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1091	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1093	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1094	close $fh;	1320	aio_close $fh;
1095		1321
1096	if (@$objs) {	1322	if (@$objs) {
1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1100	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1101	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1102	close $fh;	1331	aio_close $fh;
1103	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1104	}	1333	}
1105	} else {	1334	} else {
1106	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1107	}	1336	}
1108		1337
1109	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1110	} else {	1342	} else {
1111	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1112	}	1344	}
1113	} else {	1345	} else {
1114	aio_unlink $filename;	1346	aio_unlink $filename;
1115	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1116	}	1348	}
…		…
1140	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1141	$av = $st->{objs};	1373	$av = $st->{objs};
1142	}	1374	}
1143		1375
1144	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1145	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1146	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1147		1380
1148	($data, $av)	1381	($data, $av)
1149	}	1382	}
1150		1383
1151	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1207	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1208		1441
1209	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1210	}	1443	}
1211		1444
		1445	use File::Glob ();
		1446
1212	cf::player->attach (	1447	cf::player->attach (
1213	on_command => sub {	1448	on_unknown_command => sub {
1214	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1215		1450
1216	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1217	or return;	1452	or return;
1218		1453
…		…
1226	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1227		1462
1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1229		1464
1230	if (ref $msg) {	1465	if (ref $msg) {
1231	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1232	"ARRAY" eq ref $msg
1233	? @$msg
1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1235		1467
1236	my @reply;	1468	my @reply;
1237		1469
1238	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1239	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1241		1473
1242	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1243	if $reply;	1475	if $reply;
1244		1476
1245	} else {	1477	} else {
1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1247	}	1479	}
1248		1480
1249	cf::override;	1481	cf::override;
1250	},	1482	},
1251	);	1483	);
1252		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
1253	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1254	cf::sync_job {	1501	cf::sync_job {
1255	my %todo;	1502	my %todo;
1256		1503
1257	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1258	next unless -r $path;	1505	next unless -r $path;
…		…
1276		1523
1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279		1526
1280	$ext{source} =	1527	$ext{source} =
1281	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1282	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1283	. $source	1530	. $source
1284	. "\n};\n1";	1531	. "\n};\n1";
1285		1532
1286	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1287	}	1534	}
1288		1535
		1536	my $pass = 0;
1289	my %done;	1537	my %done;
1290	while (%todo) {	1538	while (%todo) {
1291	my $progress;	1539	my $progress;
1292		1540
		1541	++$pass;
		1542
		1543	ext:
1293	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1294	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1295	goto skip	1546	next ext
1296	unless exists $done{$_};	1547	unless exists $done{$_};
1297	}	1548	}
1298		1549
1299	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1300		1551
1301	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1302	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1303	: "$v->{base}: extension inactive.\n";
1304		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1305	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1306	warn $msg;	1559
1307	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1308	exit 1;	1561	delete $todo{$k};
1309	}	1562	} else {
1310		1563	$done{$k} = delete $todo{$k};
1311	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1312	}	1569	}
1313
1314	$done{$k} = delete $todo{$k};
1315	push @EXTS, $v->{pkg};
1316	$progress = 1;
1317	}	1570	}
1318		1571
1319	skip:	1572	unless ($progress) {
1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1321	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	}
1322	}	1582	}
1323	};	1583	};
1324	}	1584	}
1325		1585
1326	#############################################################################	1586	#############################################################################
1327		1587
1328	=back	1588	=back
1329		1589
1330	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1331		1591
1332	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1333		1593
1334	=cut	1594	=cut
1335		1595
1336	package cf::player;	1596	package cf::player;
1337		1597
…		…
1380		1640
1381	sub exists($) {	1641	sub exists($) {
1382	my ($login) = @_;	1642	my ($login) = @_;
1383		1643
1384	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1385	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1386	}	1646	}
1387		1647
1388	sub find($) {	1648	sub find($) {
1389	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1390	my $login = $_[0];	1650	my $login = $_[0];
…		…
1402	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1403	or return;	1663	or return;
1404		1664
1405	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1406	or return;	1666	or return;
		1667
1407	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1408	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1409	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1410	}	1671	}
1411	}	1672	}
1412	}	1673	}
1413		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
1414	sub save($) {	1688	sub save($) {
1415	my ($pl) = @_;	1689	my ($pl) = @_;
1416		1690
1417	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1418		1692
…		…
1421		1695
1422	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1423		1697
1424	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1425	$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];
1426		1705
1427	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1428	cf::cede_to_tick;	1707	cf::cede_to_tick;
1429	}	1708	}
1430		1709
…		…
1462	my ($pl) = @_;	1741	my ($pl) = @_;
1463		1742
1464	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1465		1744
1466	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1467	$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
1468		1747
1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1470	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1471	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1472	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1473		1756
1474	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1475	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1476	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1514		1797
1515	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1516	my $path = path $login;	1799	my $path = path $login;
1517		1800
1518	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1519	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1521	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1522	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1523	}	1807	}
1524		1808
…		…
1528		1812
1529	\@logins	1813	\@logins
1530	}	1814	}
1531		1815
1532	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1533		1819
1534	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1535	player. May block.	1821	player. May block.
1536		1822
1537	=cut	1823	=cut
…		…
1555	}	1841	}
1556		1842
1557	\@paths	1843	\@paths
1558	}	1844	}
1559		1845
1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1561		1847
1562	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1563
1564	=cut
1565
1566	use re 'eval';
1567
1568	my $group;
1569	my $interior; $interior = qr{
1570	# match a pod interior sequence sans C<< >>
1571	(?:
1572	\ (.*?)\ (?{ $group = $^N })
1573	| < (??{$interior}) >
1574	)
1575	}x;
1576
1577	sub expand_cfpod {
1578	my ($self, $pod) = @_;
1579
1580	my $xml;
1581
1582	while () {
1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584	$group = $1;
1585
1586	$group =~ s/&/&amp;/g;
1587	$group =~ s/</&lt;/g;
1588
1589	$xml .= $group;
1590	} elsif ($pod =~ m%\G
1591	([BCGHITU])
1592	<
1593	(?:
1594	([^<>]*) (?{ $group = $^N })
1595	| < $interior >
1596	)
1597	>
1598	%gcsx
1599	) {
1600	my ($code, $data) = ($1, $group);
1601
1602	if ($code eq "B") {
1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604	} elsif ($code eq "I") {
1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606	} elsif ($code eq "U") {
1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608	} elsif ($code eq "C") {
1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610	} elsif ($code eq "T") {
1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612	} elsif ($code eq "G") {
1613	my ($male, $female) = split /\|/, $data;
1614	$data = $self->gender ? $female : $male;
1615	$xml .= expand_cfpod ($self, $data);
1616	} elsif ($code eq "H") {
1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619	"")
1620	[$self->{hintmode}];
1621	} else {
1622	$xml .= "error processing '$code($data)' directive";
1623	}
1624	} else {
1625	if ($pod =~ /\G(.+)/) {
1626	warn "parse error while expanding $pod (at $1)";
1627	}
1628	last;
1629	}
1630	}
1631
1632	for ($xml) {
1633	# create single paragraphs (very hackish)
1634	s/(?<=\S)\n(?=\w)/ /g;
1635
1636	# compress some whitespace
1637	s/\s+\n/\n/g; # ws line-ends
1638	s/\n\n+/\n/g; # double lines
1639	s/^\n+//; # beginning lines
1640	s/\n+$//; # ending lines
1641	}
1642
1643	$xml
1644	}
1645
1646	no re 'eval';
1647
1648	sub hintmode {
1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1650	$_[0]{hintmode}
1651	}
1652		1849
1653	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1654		1851
1655	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1656		1853
…		…
1688		1885
1689	=cut	1886	=cut
1690		1887
1691	sub find_by_path($) {	1888	sub find_by_path($) {
1692	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1693		1892
1694	my ($match, $specificity);	1893	my ($match, $specificity);
1695		1894
1696	for my $region (list) {	1895	for my $region (list) {
1697	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1723	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1724	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1725		1924
1726	sub generate_random_map {	1925	sub generate_random_map {
1727	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1728	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1729	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1733	$rmp->{exit_on_final_map},
1734	$rmp->{xsize}, $rmp->{ysize},
1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1741	)
1742	}	1931	}
1743		1932
1744	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1745		1934
1746	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
…		…
1751		1940
1752	sub register {	1941	sub register {
1753	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1754	my $pkg = caller;	1943	my $pkg = caller;
1755		1944
1756	no strict;
1757	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1758		1946
1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1760	}	1948	}
1761		1949
1762	# also paths starting with '/'	1950	# also paths starting with '/'
1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1764		1952
1765	sub thawer_merge {	1953	sub thawer_merge {
1766	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1767		1955
1768	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1773	}	1961	}
1774		1962
1775	sub normalise {	1963	sub normalise {
1776	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1777		1965
1778	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1779		1967
1780	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1781		1969
1782	# map plan:	1970	# map plan:
1783	#	1971	#
…		…
1798	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1799	$path = "$base/$path";	1987	$path = "$base/$path";
1800	}	1988	}
1801		1989
1802	for ($path) {	1990	for ($path) {
1803	redo if s{//}{/};
1804	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1805	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1806	}	1993	}
1807		1994
1808	$path	1995	$path
…		…
1822	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1823	return $self;	2010	return $self;
1824	}	2011	}
1825	}	2012	}
1826		2013
1827	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1828	()	2015	()
1829	}	2016	}
1830		2017
		2018	# may re-bless or do other evil things
1831	sub init {	2019	sub init {
1832	my ($self) = @_;	2020	my ($self) = @_;
1833		2021
1834	$self	2022	$self
1835	}	2023	}
…		…
1854		2042
1855	# the temporary/swap location	2043	# the temporary/swap location
1856	sub save_path {	2044	sub save_path {
1857	my ($self) = @_;	2045	my ($self) = @_;
1858		2046
1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1860	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1861	}	2049	}
1862		2050
1863	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1864	sub uniq_path {	2052	sub uniq_path {
1865	my ($self) = @_;	2053	my ($self) = @_;
1866		2054
1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1868	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1869	}
1870
1871	# and all this just because we cannot iterate over
1872	# all maps in C++...
1873	sub change_all_map_light {
1874	my ($change) = @_;
1875
1876	$_->change_map_light ($change)
1877	for grep $_->outdoor, values %cf::MAP;
1878	}	2057	}
1879		2058
1880	sub decay_objects {	2059	sub decay_objects {
1881	my ($self) = @_;	2060	my ($self) = @_;
1882		2061
…		…
1909	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1910		2089
1911	1	2090	1
1912	}	2091	}
1913		2092
		2093	# used to laod the header of an original map
1914	sub load_header_orig {	2094	sub load_header_orig {
1915	my ($self) = @_;	2095	my ($self) = @_;
1916		2096
1917	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1918	}	2098	}
1919		2099
		2100	# used to laod the header of an instantiated map
1920	sub load_header_temp {	2101	sub load_header_temp {
1921	my ($self) = @_;	2102	my ($self) = @_;
1922		2103
1923	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1924	}	2105	}
1925		2106
		2107	# called after loading the header from an instantiated map
1926	sub prepare_temp {	2108	sub prepare_temp {
1927	my ($self) = @_;	2109	my ($self) = @_;
1928		2110
1929	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1930	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1931	# safety	2113	# safety
1932	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1933	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1934	}	2116	}
1935		2117
		2118	# called after loading the header from an original map
1936	sub prepare_orig {	2119	sub prepare_orig {
1937	my ($self) = @_;	2120	my ($self) = @_;
1938		2121
1939	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1940	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1964		2147
1965	sub find;	2148	sub find;
1966	sub find {	2149	sub find {
1967	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1968		2151
		2152	cf::cede_to_tick;
		2153
1969	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1970		2155
1971	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1972	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1973		2158
1974	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1975	my $guard1 = cf::lock_acquire "map_find:$path";
1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1978	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1979	or return;	2161	or return;
1980		2162
1981	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1982		2164
…		…
1984	or return;	2166	or return;
1985		2167
1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1987	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1988	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1989	undef $guard1;	2172	undef $guard1;
1990	undef $guard2;
1991	$map->reset;	2173	$map->reset;
1992	return find $path;	2174	return find $path;
1993	}	2175	}
1994		2176
1995	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1996	}	2178	}
1997	}	2179	}
1998		2180
1999	sub pre_load { }	2181	sub pre_load { }
2000	sub post_load { }	2182	#sub post_load { } # XS
2001		2183
2002	sub load {	2184	sub load {
2003	my ($self) = @_;	2185	my ($self) = @_;
2004		2186
2005	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2008		2190
2009	{	2191	{
2010	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
2011		2193
2012	return unless $self->valid;	2194	return unless $self->valid;
2013	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
2014
2015	$self->in_memory (cf::MAP_LOADING);
2016		2196
2017	$self->alloc;	2197	$self->alloc;
2018		2198
2019	$self->pre_load;	2199	$self->pre_load;
2020	cf::cede_to_tick;	2200	cf::cede_to_tick;
2021		2201
		2202	if (exists $self->{load_path}) {
2022	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
2023	$f->skip_block;	2204	$f->skip_block;
2024	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
2025	or return;	2206	or return;
2026		2207
2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
2028	if delete $self->{load_original};	2209	if delete $self->{load_original};
2029		2210
2030	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
2031	utf8::encode $uniq;	2212	utf8::encode $uniq;
2032	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
2033	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
2034	$self->clear_unique_items;	2215	$self->clear_unique_items;
2035	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
2036	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
2037	}	2219	}
2038	}	2220	}
2039	}
2040		2221
2041	$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);
2042		2229
2043	cf::cede_to_tick;	2230	cf::cede_to_tick;
2044	# now do the right thing for maps	2231	# now do the right thing for maps
2045	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
2046	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
2050	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
2051	$self->decay_objects;	2238	$self->decay_objects;
2052	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
2053	$self->update_buttons;	2240	$self->update_buttons;
2054	cf::cede_to_tick;	2241	cf::cede_to_tick;
2055	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
2056	cf::cede_to_tick;
2057	$self->activate;
2058	}	2243	}
2059		2244
2060	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
2061	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
2062
2063	$self->in_memory (cf::MAP_IN_MEMORY);
2064	}	2247	}
2065		2248
2066	$self->post_load;	2249	$self->post_load;
2067	}
2068		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
2069	sub customise_for {	2257	sub customise_for {
2070	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
2071		2259
2072	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
2073	if $self->per_player;	2261	if $self->per_player;
…		…
2076	# if $self->per_party;	2264	# if $self->per_party;
2077		2265
2078	$self	2266	$self
2079	}	2267	}
2080		2268
2081	# find and load all maps in the 3x3 area around a map
2082	sub load_neighbours {
2083	my ($map) = @_;
2084
2085	my @neigh; # diagonal neighbours
2086
2087	for (0 .. 3) {
2088	my $neigh = $map->tile_path ($_)
2089	or next;
2090	$neigh = find $neigh, $map
2091	or next;
2092	$neigh->load;
2093
2094	push @neigh,
2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2097	}
2098
2099	for (grep defined $_->[0], @neigh) {
2100	my ($path, $origin) = @$_;
2101	my $neigh = find $path, $origin
2102	or next;
2103	$neigh->load;
2104	}
2105	}
2106
2107	sub find_sync {	2269	sub find_sync {
2108	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2109		2271
2110	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
2111	}	2277	}
2112		2278
2113	sub do_load_sync {	2279	sub do_load_sync {
2114	my ($map) = @_;	2280	my ($map) = @_;
2115		2281
		2282	# it's a bug to call this from the main context
2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2117	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2118		2285
2119	cf::sync_job { $map->load };	2286	$map->load;
2120	}	2287	}
2121		2288
2122	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2123	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2124		2291
2125	sub find_async {	2292	sub find_async {
2126	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2127		2294
2128	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2129		2296
2130	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2132	}	2299	}
2133		2300
2134	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2135		2302
2136	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2150	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2151		2318
2152	()	2319	()
2153	}	2320	}
2154		2321
		2322	# common code, used by both ->save and ->swapout
2155	sub save {	2323	sub _save {
2156	my ($self) = @_;	2324	my ($self) = @_;
2157
2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
2159		2325
2160	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2161		2327
2162	return unless $self->dirty;	2328	return unless $self->dirty;
2163		2329
…		…
2172		2338
2173	cf::async {	2339	cf::async {
2174	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2175	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2176	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2177		2345
2178	if ($uniq) {	2346	if ($uniq) {
2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2181	} else {	2349	} else {
2182	$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);
2183	}	2351	}
2184	}	2352	}
2185		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2186	sub swap_out {	2362	sub swap_out {
2187	my ($self) = @_;	2363	my ($self) = @_;
2188		2364
2189	# save first because save cedes
2190	$self->save;
2191
2192	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2193		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2194	return if $self->players;	2369	return if $self->players;
2195	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
2196	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2197		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
2198	$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};
2199		2421
2200	$self->deactivate;	2422	$self->deactivate;
2201	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2202	$self->clear;	2424	$self->clear;
2203	}
2204
2205	sub reset_at {
2206	my ($self) = @_;
2207
2208	# TODO: safety, remove and allow resettable per-player maps
2209	return 1e99 if $self->{deny_reset};
2210
2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2213
2214	$time + $to
2215	}
2216
2217	sub should_reset {
2218	my ($self) = @_;
2219
2220	$self->reset_at <= $cf::RUNTIME
2221	}
2222
2223	sub reset {
2224	my ($self) = @_;
2225
2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2227
2228	return if $self->players;
2229
2230	warn "resetting map ", $self->path;
2231
2232	$self->in_memory (cf::MAP_SWAPPED);
2233
2234	# need to save uniques path
2235	unless ($self->{deny_save}) {
2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
2237
2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2239	if $uniq;
2240	}
2241
2242	delete $cf::MAP{$self->path};
2243
2244	$self->deactivate;
2245	$_->clear_links_to ($self) for values %cf::MAP;
2246	$self->clear;
2247		2425
2248	$self->unlink_save;	2426	$self->unlink_save;
2249	$self->destroy;	2427	$self->destroy;
2250	}	2428	}
2251		2429
…		…
2259		2437
2260	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2261		2439
2262	$self->unlink_save;	2440	$self->unlink_save;
2263		2441
2264	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2265	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2266	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2267	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2269		2447
…		…
2318		2496
2319	sub unique_maps() {	2497	sub unique_maps() {
2320	[	2498	[
2321	map {	2499	map {
2322	utf8::decode $_;	2500	utf8::decode $_;
2323	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2324	? normalise $_	2504	: normalise $_
2325	: ()
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2506	]
2328	}	2507	}
2329		2508
2330	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	}
2331		2540
2332	=back	2541	=back
2333		2542
2334	=head3 cf::object	2543	=head3 cf::object
2335		2544
…		…
2339		2548
2340	=over 4	2549	=over 4
2341		2550
2342	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2343		2552
2344	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.
2345		2555
2346	=cut	2556	=cut
2347		2557
2348	sub inv_recursive_;	2558	sub inv_recursive_;
2349	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2354	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2355	}	2565	}
2356		2566
2357	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2358		2568
2359	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.
2360		2570
2361	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2362		2572
2363	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,
2364	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2396	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
2397	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2398		2608
2399	=cut	2609	=cut
2400		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
2401	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2402	# with dialog boxes.	2626	# with dialog boxes.
2403	#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
2404	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2405	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2416	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418		2642
2419	} else {	2643	} else {
2420	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2421	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422	}	2646	}
2423	}	2647	}
2424	}	2648	}
2425		2649
2426	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2451		2675
2452	=item $player_object->enter_link	2676	=item $player_object->enter_link
2453		2677
2454	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}>).
2455		2679
2456	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.
2457	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.
2458		2684
2459	Will never block.	2685	Will never block.
2460		2686
2461	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2462		2688
…		…
2482	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2483	my ($self) = @_;	2709	my ($self) = @_;
2484		2710
2485	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2486		2712
		2713	++$self->{_link_recursion};
		2714
2487	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2488		2716
2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2490	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2491		2719
2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2493	}	2721	}
2494		2722
2495	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2496	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2497		2725
…		…
2514	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2515	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2516		2744
2517	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2518	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2519	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2520		2748
2521	$map->load;	2749	$map->load;
2522	$map->load_neighbours;
2523		2750
2524	return unless $self->contr->active;	2751	return unless $self->contr->active;
2525	$self->activate_recursive;
2526		2752
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2529	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2530		2760
		2761	}
		2762
2531	=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)]])
2532		2764
2533	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
2534	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2537	be called at the end of this process.	2769	be called at the end of this process.
2538		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
2539	=cut	2774	=cut
2540		2775
2541	our $GOTOGEN;	2776	our $GOTOGEN;
2542		2777
2543	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2544	my ($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	}
2545		2786
2546	# 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
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2789
2549	$self->enter_link;	2790	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2570	}	2811	}
2571	}	2812	}
2572		2813
2573	my $map = eval {	2814	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2816
2576	if ($map) {	2817	if ($map) {
2577	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2820	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2822	}
2582		2823
2583	$map	2824	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2594	}	2835	}
2595		2836
2596	$done->() if $done;	2837	$done->($self) if $done;
2597	})->prio (1);	2838	})->prio (1);
2598	}	2839	}
2599		2840
2600	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2601		2842
…		…
2621	}	2862	}
2622		2863
2623	sub prepare_random_map {	2864	sub prepare_random_map {
2624	my ($exit) = @_;	2865	my ($exit) = @_;
2625		2866
2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
2627
2628	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2629	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2630	# that depends on the exit object	2869	# that depends on the exit object
2631		2870
2632	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2634	if ($exit->map) {	2873	if ($exit->map) {
2635	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2636	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2637	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2638	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2639	}	2880	}
2640		2881
2641	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2642		2883
2643	my $data = cf::encode_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2644	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2645	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2646		2887
2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2648	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2649	undef $fh;	2890	undef $fh;
2650	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2651		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2652	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2653	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2654	}	2899	}
2655	}	2900	}
2656		2901
2657	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2658	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2659		2904
2660	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2661		2906
2662	if ($exit->slaying eq "/!") {
2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
2664	# the problem is that $exit might not survive long enough
2665	# so it needs to be done right now, right here
2666	cf::sync_job { prepare_random_map $exit };
2667	}
2668
2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2670	my $hp = $exit->stats->hp;
2671	my $sp = $exit->stats->sp;
2672
2673	$self->enter_link;	2907	$self->enter_link;
2674		2908
2675	# if exit is damned, update players death & WoR home-position
2676	$self->contr->savebed ($slaying, $hp, $sp)
2677	if $exit->flag (FLAG_DAMNED);
2678
2679	(async {	2909	(async {
2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2681		2911
2682	$self->deactivate_recursive; # just to be sure
2683	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
2684	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2685		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
2686	1;	2948	1
2687	}) {	2949	}) {
2688	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2689	. "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. "
2690	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2691	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2692		2954
2693	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2694	$self->leave_link;	2956	$self->leave_link;
2695	}	2957	}
2696	})->prio (1);	2958	})->prio (1);
2697	}	2959	}
2698		2960
…		…
2710	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2711	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2712		2974
2713	utf8::encode $text;	2975	utf8::encode $text;
2714	$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);
2715	}	3002	}
2716		3003
2717	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2718		3005
2719	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
…		…
2723		3010
2724	=cut	3011	=cut
2725		3012
2726	# non-persistent channels (usually the info channel)	3013	# non-persistent channels (usually the info channel)
2727	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	},
2728	"c/identify" => {	3021	"c/identify" => {
2729	id => "infobox",	3022	id => "infobox",
2730	title => "Identify",	3023	title => "Identify",
2731	reply => undef,	3024	reply => undef,
2732	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2734	"c/examine" => {	3027	"c/examine" => {
2735	id => "infobox",	3028	id => "infobox",
2736	title => "Examine",	3029	title => "Examine",
2737	reply => undef,	3030	reply => undef,
2738	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",
2739	},	3038	},
2740	"c/book" => {	3039	"c/book" => {
2741	id => "infobox",	3040	id => "infobox",
2742	title => "Book",	3041	title => "Book",
2743	reply => undef,	3042	reply => undef,
…		…
2759	id => "infobox",	3058	id => "infobox",
2760	title => "Body Parts",	3059	title => "Body Parts",
2761	reply => undef,	3060	reply => undef,
2762	tooltip => "Shows which body parts you posess and are available",	3061	tooltip => "Shows which body parts you posess and are available",
2763	},	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	},
2764	"c/uptime" => {	3099	"c/uptime" => {
2765	id => "infobox",	3100	id => "infobox",
2766	title => "Uptime",	3101	title => "Uptime",
2767	reply => undef,	3102	reply => undef,
2768	tooltip => "How long the server has been running since last restart",	3103	tooltip => "How long the server has been running since last restart",
…		…
2771	id => "infobox",	3106	id => "infobox",
2772	title => "Map Info",	3107	title => "Map Info",
2773	reply => undef,	3108	reply => undef,
2774	tooltip => "Information related to the maps",	3109	tooltip => "Information related to the maps",
2775	},	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" => $CHAT_CHANNEL,
2776	);	3125	);
2777		3126
2778	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2779	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2780		3129
2781	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2782		3132
2783	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2784		3134
2785	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2786	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2787	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2788		3138
2789	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2790	if $self->can_msg;
2791
2792	$channel = $channel->{id};	3140	$channel = $channel->{id};
2793		3141
2794	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2795	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2796	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2797	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2798	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800	}	3147	}
2801		3148
2802	$channel = $channel->{id};	3149	$channel = $channel->{id};
2803	}	3150	}
2804		3151
2805	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2806		3153
2807	if ($self->can_msg) {
2808	# default colour, mask it out	3154	# default colour, mask it out
2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2811		3157
2812	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2814	} else {	3161	);
2815	if ($color >= 0) {
2816	# replace some tags by gcfclient-compatible ones
2817	for ($msg) {
2818	1 while
2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824	}
2825		3162
2826	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2827
2828	utf8::encode $msg;
2829
2830	if (0 && $msg =~ /\[/) {
2831	# COMMAND/INFO
2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2833	} else {
2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835	$self->send_packet ("drawinfo $color $msg")
2836	}
2837	}
2838	}
2839	}	3164	}
2840		3165
2841	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2842		3167
2843	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2846		3171
2847	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2848	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2849		3174
2850	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2853	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855	}	3180	}
2856	}	3181	}
2857		3182
2858	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2859		3184
…		…
2862	=cut	3187	=cut
2863		3188
2864	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2865	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2866		3191
2867	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869	} elsif ($self->extcmd == 1) {
2870	#TODO: version 1, remove
2871	unshift @msg, msgtype => "reply", msgid => $id;
2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873	}
2874	}	3195	}
2875		3196
2876	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2877		3198
2878	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2933	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2934		3255
2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2936		3257
2937	if (ref $msg) {	3258	if (ref $msg) {
2938	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2939	"ARRAY" eq ref $msg
2940	? @$msg
2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2942		3260
2943	my @reply;	3261	my @reply;
2944		3262
2945	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2946	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2948		3266
2949	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2950	if $reply;	3268	if $reply;
2951		3269
2952	} else {	3270	} else {
2953	warn "client " . ($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";
2954	}	3272	}
2955		3273
2956	cf::override;	3274	cf::override;
2957	},	3275	},
2958	);	3276	);
…		…
2978		3296
2979	$coro	3297	$coro
2980	}	3298	}
2981		3299
2982	cf::client->attach (	3300	cf::client->attach (
2983	on_destroy => sub {	3301	on_client_destroy => sub {
2984	my ($ns) = @_;	3302	my ($ns) = @_;
2985		3303
2986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2987	},	3305	},
2988	);	3306	);
…		…
3004	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
3005		3323
3006	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
3007		3325
3008	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
3009	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
3010	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
3011	sort time	3329	sort time
3012	));	3330	));
3013		3331
3014	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
3017		3335
3018	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
3019		3337
3020	cf::object	3338	cf::object
3021	contr pay_amount pay_player map x y force_find force_add destroy	3339	contr pay_amount pay_player map x y force_find force_add destroy
3022	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
3023		3342
3024	cf::object::player	3343	cf::object::player
3025	player	3344	player
3026		3345
3027	cf::player	3346	cf::player
…		…
3032		3351
3033	=cut	3352	=cut
3034		3353
3035	for (	3354	for (
3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
3038	decrease_ob_nr destroy)],	3357	decrease split destroy change_exp value msg lore send_msg)],
3039	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
3040	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
3041	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
3042	) {	3361	) {
3043	no strict 'refs';
3044	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
3045	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3046	for @funs;	3364	for @funs;
3047	}	3365	}
3048		3366
…		…
3063		3381
3064	my $qcode = $code;	3382	my $qcode = $code;
3065	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3066	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
3067		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
3068	local $_;	3389	local $_;
3069	local @safe::cf::_safe_eval_args = values %vars;
3070		3390
3071	my $eval =	3391	my $eval =
3072	"do {\n"	3392	"do {\n"
3073	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3074	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
3075	. $code	3395	. $code
3076	. "\n}"	3396	. "\n}"
3077	;	3397	;
3078		3398
		3399	if ($CFG{safe_eval}) {
3079	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
3080	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3081	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
3082		3408
3083	if ($@) {	3409	if ($@) {
3084	warn "$@";	3410	warn "$@",
3085	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
3086	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
3087	}	3413	}
3088		3414
3089	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
3090	}	3416	}
3091		3417
…		…
3105	=cut	3431	=cut
3106		3432
3107	sub register_script_function {	3433	sub register_script_function {
3108	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
3109		3435
3110	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
3111	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
3112	}	3438	}
3113		3439
3114	=back	3440	=back
3115		3441
3116	=cut	3442	=cut
…		…
3125	# for this (global event?)	3451	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3127		3453
3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129		3455
3130	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3131		3457
3132	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3133	0 < aio_load $path, $facedata
3134	or die "$path: $!";
3135
3136	$facedata = Coro::Storable::thaw $facedata;
3137		3459
3138	$facedata->{version} == 2	3460	$facedata->{version} == 2
3139	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3140		3462
3141	# 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]);
3142	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3143	type => FT_RSRC,	3466	type => FT_RSRC,
3144	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),
3145	};	3469	};
3146	cf::cede_to_tick;	3470	cf::cede_to_tick;
3147		3471
3148	{	3472	{
3149	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
3150		3474
3151	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
3153	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3154	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3156	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} , $info->{glyph} ;
3157		3483
3158	cf::cede_to_tick;	3484	cf::cede_to_tick;
3159	}	3485	}
3160		3486
3161	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
3162	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
3163	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
3164	or next;	3491	or next;
		3492
3165	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3166	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168	} else {	3496	} else {
3169	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3170	}	3498	}
3171		3499
3172	cf::cede_to_tick;	3500	cf::cede_to_tick;
3173	}	3501	}
3174	}	3502	}
…		…
3183		3511
3184	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3185	}	3513	}
3186		3514
3187	{	3515	{
3188	# TODO: for gcfclient pleasure, we should give resources
3189	# that gcfclient doesn't grok a >10000 face index.
3190	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3191		3517
3192	my $soundconf = delete $res->{"res/sound.conf"};
3193
3194	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196	my $data;
3197		3521
3198	if ($info->{type} & 1) {	3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3199	# prepend meta info	3523	cf::face::set_type $idx, $info->{type};
3200
3201	my $meta = $enc->encode ({
3202	name => $name,
3203	%{ $info->{meta} || {} },
3204	});
3205
3206	$data = pack "(w/a*)*", $meta, $info->{data};
3207	} else {	3524	} else {
3208	$data = $info->{data};	3525	$RESOURCE{$name} = $info; # unused
3209	}	3526	}
3210		3527
3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212	cf::face::set_type $idx, $info->{type};
3213
3214	cf::cede_to_tick;	3528	cf::cede_to_tick;
3215	}	3529	}
3216
3217	if ($soundconf) {
3218	$soundconf = $enc->decode (delete $soundconf->{data});
3219
3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221	my $sound = $soundconf->{compat}[$_]
3222	or next;
3223
3224	my $face = cf::face::find "sound/$sound->[1]";
3225	cf::sound::set $sound->[0] => $face;
3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227	}
3228
3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
3230	my $face = cf::face::find "sound/$v";
3231	cf::sound::set $k => $face;
3232	}
3233	}
3234	}	3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3235		3533
3236	1	3534	1
3237	}	3535	}
3238		3536
3239	register_exticmd fx_want => sub {	3537	register_exticmd fx_want => sub {
…		…
3241		3539
3242	while (my ($k, $v) = each %$want) {	3540	while (my ($k, $v) = each %$want) {
3243	$ns->fx_want ($k, $v);	3541	$ns->fx_want ($k, $v);
3244	}	3542	}
3245	};	3543	};
		3544
		3545	sub load_resource_file($) {
		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	$status
		3553	}
3246		3554
3247	sub reload_regions {	3555	sub reload_regions {
3248	# HACK to clear player env face cache, we need some signal framework	3556	# HACK to clear player env face cache, we need some signal framework
3249	# for this (global event?)	3557	# for this (global event?)
3250	%ext::player_env::MUSIC_FACE_CACHE = ();	3558	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3264	}	3572	}
3265		3573
3266	sub reload_archetypes {	3574	sub reload_archetypes {
3267	load_resource_file "$DATADIR/archetypes"	3575	load_resource_file "$DATADIR/archetypes"
3268	or die "unable to load archetypes\n";	3576	or die "unable to load archetypes\n";
3269	#d# NEED to laod twice to resolve forward references
3270	# this really needs to be done in an extra post-pass
3271	# (which needs to be synchronous, so solve it differently)
3272	load_resource_file "$DATADIR/archetypes"
3273	or die "unable to load archetypes\n";
3274	}	3577	}
3275		3578
3276	sub reload_treasures {	3579	sub reload_treasures {
3277	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
3278	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
3279	}	3582	}
3280		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
3281	sub reload_resources {	3604	sub reload_resources {
3282	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
3283		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
3284	reload_regions;	3612	reload_regions;
3285	reload_facedata;
3286	#reload_archetypes;#d#
3287	reload_archetypes;
3288	reload_treasures;	3613	reload_treasures;
3289		3614
3290	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
3291	}
3292
3293	sub init {
3294	reload_resources;
3295	}	3616	}
3296		3617
3297	sub reload_config {	3618	sub reload_config {
3298	open my $fh, "<:utf8", "$CONFDIR/config"	3619	trace "reloading config file...\n";
3299	or return;
3300		3620
3301	local $/;	3621	my $config = load_file "$CONFDIR/config";
3302	*CFG = YAML::Syck::Load <$fh>;	3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
3303		3624
3304	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3305		3626
3306	$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};
3307	$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};
3308		3629
3309	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
3313	};	3634	};
3314	warn $@ if $@;	3635	warn $@ if $@;
3315	}	3636	}
3316	}	3637	}
3317		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
3318	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
3319	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
3320	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
3321	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#
3322	(async {	3680	(async {
3323	$Coro::current->{desc} = "IDLE BUG HANDLER";	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
3324	EV::loop EV::LOOP_ONESHOT;	3682	EV::loop EV::LOOP_ONESHOT;
3325	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
3326	};	3684	};
3327		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;
3328	reload_config;	3698	reload_config;
3329	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
3330	load_extensions;	3709	load_extensions;
3331		3710
3332	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3712
3334	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;
3335	}	3728	}
3336		3729
3337	#############################################################################	3730	#############################################################################
3338	# initialisation and cleanup	3731	# initialisation and cleanup
3339		3732
3340	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
3341	BEGIN {	3734	BEGIN {
3342	our %SIGWATCHER = ();	3735	our %SIGWATCHER = ();
3343	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3345	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
3346	};	3739	};
3347	}	3740	}
3348	}	3741	}
3349		3742
3350	sub write_runtime {	3743	sub write_runtime_sync {
3351	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
3352		3745
3353	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
3354	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
3355		3748
3356	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3357		3750
3358	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
3359		3752
3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3361	or return;	3754	or return;
3362		3755
3363	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
3364	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
3365	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
3375	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
3376		3769
3377	close $fh	3770	close $fh
3378	or return;	3771	or return;
3379		3772
3380	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3381	and return;	3774	and return;
3382		3775
3383	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3384		3777
3385	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 };
3386	}	3829	}
3387		3830
3388	sub emergency_save() {	3831	sub emergency_save() {
3389	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
3390		3833
3391	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;
3392		3840
3393	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
3394	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
3395	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
3396	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
3397	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
3398	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
3399	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
3400	$pl->valid or next;	3850	$pl->valid or next;
3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3402	$pl->save;	3852	$pl->save;
3403	}	3853	}
3404	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
3405		3855
3406	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";
3407	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
3408	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
3409	$map->valid or next;	3861	$map->valid or next;
3410	$map->save;	3862	$map->save;
3411	}	3863	}
3412	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
3413		3865
3414	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";
3415	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
3416	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 $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
3417	};	3894	};
3418		3895
3419	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
3420	}	3897	}
3421		3898
3422	sub post_cleanup {	3899	sub post_cleanup {
3423	my ($make_core) = @_;	3900	my ($make_core) = @_;
3424		3901
		3902	IO::AIO::flush;
		3903
3425	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
3426	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	}
3427	}	3934	}
3428		3935
3429	sub do_reload_perl() {	3936	sub do_reload_perl() {
3430	# can/must only be called in main	3937	# can/must only be called in main
3431	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
3432	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
3433	return;	3940	return;
3434	}	3941	}
3435		3942
3436	warn "reloading...";	3943	return if $RELOAD++;
3437		3944
3438	warn "entering sync_job";	3945	my $t1 = AE::time;
3439		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
3440	cf::sync_job {	3953	cf::sync_job {
3441	cf::write_runtime; # external watchdog should not bark
3442	cf::emergency_save;	3954	#cf::emergency_save;
3443	cf::write_runtime; # external watchdog should not bark
3444		3955
3445	warn "syncing database to disk";
3446	BDB::db_env_txn_checkpoint $DB_ENV;
3447
3448	# if anything goes wrong in here, we should simply crash as we already saved
3449
3450	warn "flushing outstanding aio requests";
3451	for (;;) {
3452	BDB::flush;
3453	IO::AIO::flush;
3454	Coro::cede_notself;
3455	last unless IO::AIO::nreqs || BDB::nreqs;
3456	warn "iterate...";
3457	}
3458
3459	++$RELOAD;
3460
3461	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
3462	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
3463	%EXT_CORO = ();	3958	%EXT_CORO = ();
3464		3959
3465	warn "removing commands";	3960	trace "perl_reload: removing commands";
3466	%COMMAND = ();	3961	%COMMAND = ();
3467		3962
3468	warn "removing ext/exti commands";	3963	trace "perl_reload: removing ext/exti commands";
3469	%EXTCMD = ();	3964	%EXTCMD = ();
3470	%EXTICMD = ();	3965	%EXTICMD = ();
3471		3966
3472	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
3473	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
3474	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
3475		3970
3476	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
3477	eval {	3972	eval {
3478	$cb->($pkg);	3973	$cb->($pkg);
3479	1	3974	1
3480	} 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;
3481	}	3980	}
3482		3981
3483	warn "... nuking $pkg";
3484	Symbol::delete_package $pkg;
3485	}
3486
3487	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3488	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3490		3985
3491	warn "... unloading $k";	3986	trace "... unloading $k";
3492	delete $INC{$k};	3987	delete $INC{$k};
3493		3988
3494	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
3495	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
3496		3991
3497	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
3498	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
3499	}	3997	}
3500		3998
3501	Symbol::delete_package $k;
3502	}
3503
3504	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
3505	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
3506	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);
3507		4002
3508	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
3509	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
3510	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3511		4006
3512	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
3513	# and global variables created in xs	4008	# and global variables created in xs
3514	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
3515		4010
3516	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
3517		4012
3518	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
3519	require cf;	4014	require cf;
3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
3521		4016
3522	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
3523	cf::reload_config;	4018	cf::reload_config;
3524		4019
3525	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
3526	cf::load_extensions;	4021	cf::load_extensions;
3527		4022
		4023	if ($REATTACH_ON_RELOAD) {
3528	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
3529	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
3530	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
3531	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
3532	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
3533	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
3534		4031
3535	warn "leaving sync_job";	4032	cf::_post_init 1;
3536		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
3537	1	4036	1
3538	} or do {	4037	} or do {
3539	warn $@;	4038	error $@;
3540	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
3541	exit 1;	4040	};
		4041
		4042	--$RELOAD;
3542	};	4043	}
3543		4044
3544	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
3545	};	4047	};
3546		4048
3547	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
3548		4050
3549	sub reload_perl() {	4051	sub reload_perl() {
3550	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
3551	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
3552		4054
		4055	$RELOAD_WATCHER ||= cf::async {
		4056	Coro::AIO::aio_wait cache_extensions;
		4057
3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4059	do_reload_perl;
3554	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
3555	do_reload_perl;	4061	};
3556	};	4062	};
3557	}	4063	}
3558		4064
3559	register_command "reload" => sub {	4065	register_command "reload" => sub {
3560	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
…		…
3566	reload_perl;	4072	reload_perl;
3567	};	4073	};
3568	}	4074	}
3569	};	4075	};
3570		4076
3571	unshift @INC, $LIBDIR;	4077	#############################################################################
3572		4078
3573	my $bug_warning = 0;	4079	my $bug_warning = 0;
3574		4080
3575	our @WAIT_FOR_TICK;
3576	our @WAIT_FOR_TICK_BEGIN;
3577
3578	sub wait_for_tick {	4081	sub wait_for_tick() {
3579	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3580	return if $Coro::current == $Coro::main;
3581		4083
3582	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
3583	push @WAIT_FOR_TICK, $signal;
3584	$signal->wait;
3585	}	4085	}
3586		4086
3587	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3588	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3589	return if $Coro::current == $Coro::main;
3590		4089
3591	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3592	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3593	$signal->wait;	4092	$signal->wait;
3594	}	4093	}
3595		4094
3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4095	sub tick {
3597	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3599	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3600	return;	4099	return;
3601	}	4100	}
3602		4101
3603	$NOW = $tick_start = EV::now;	4102	cf::one_tick; # one server iteration
3604		4103
3605	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3606
3607	$RUNTIME += $TICK;
3608	$NEXT_TICK += $TICK;
3609		4105
3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3611	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3612	Coro::async_pool {	4108	Coro::async_pool {
3613	$Coro::current->{desc} = "runtime saver";	4109	$Coro::current->{desc} = "runtime saver";
3614	write_runtime	4110	write_runtime_sync
3615	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3616	};	4112	};
3617	}	4113	}
3618		4114
3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3620	$sig->send;	4116	$sig->send;
3621	}	4117	}
3622	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3623	$sig->send;
3624	}
3625		4119
3626	$LOAD = ($NOW - $tick_start) / $TICK;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3628		4122
3629	_post_tick;	4123	if (0) {
3630	};	4124	if ($NEXT_TICK) {
3631	$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	}
3632		4131
3633	{	4132	{
		4133	# configure BDB
		4134
3634	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3635	BDB::max_poll_time $TICK * 0.1;	4136	BDB::max_poll_reqs $TICK * 0.1;
3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	4137	#$AnyEvent::BDB::WATCHER->priority (1);
3637
3638	BDB::set_sync_prepare {
3639	my $status;
3640	my $current = $Coro::current;
3641	(
3642	sub {
3643	$status = $!;
3644	$current->ready; undef $current;
3645	},
3646	sub {
3647	Coro::schedule while defined $current;
3648	$! = $status;
3649	},
3650	)
3651	};
3652		4138
3653	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| 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;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4146
3660	cf::sync_job {	4147	cf::sync_job {
3661	eval {	4148	eval {
…		…
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4171	};
3685	}	4172	}
3686		4173
3687	{	4174	{
		4175	# configure IO::AIO
		4176
3688	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4179	undef $AnyEvent::AIO::WATCHER;
3693	}	4180	}
3694		4181
3695	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3696		4184
3697	sub _log_backtrace {	4185	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3699		4187
3700	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3701		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3705	async {	4198	async {
3706	$Coro::current->{desc} = "abt $msg";	4199	$Coro::current->{desc} = "abt $msg";
3707		4200
3708	my @bt = fork_call {	4201	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4213	}
3721		4214
3722	@funcs	4215	@funcs
3723	};	4216	};
3724		4217
3725	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4221	--$_log_backtrace;
3728	};	4222	};
3729	} else {	4223	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4226	}
3733	}	4227	}
3734		4228
3735	# load additional modules	4229	# load additional modules
3736	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3737		4232
3738	END { cf::emergency_save }	4233	END { cf::emergency_save }
3739		4234
3740	1	4235	1
3741		4236

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