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Revision 1.412 by root, Wed Apr 2 11:13:55 2008 UTC vs.
Revision 1.578 by root, Wed Jan 4 02:48:57 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 1.86;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.32 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	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;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
86	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	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;
93		120
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	123	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		125
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	129	our $DB_ENV;
105		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
106	our %CFG;	133	our %CFG;
107		134
108	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
110	our $NOW;	138	our $NOW;
111		139
112	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	149	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
123		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
124	binmode STDOUT;	160	binmode STDOUT;
125	binmode STDERR;	161	binmode STDERR;
126		162
127	# read virtual server time, if available	163	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
132	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
133		171
134	mkdir $_	172	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		174
137	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
138		176
139	sub cf::map::normalise;	177	sub cf::map::normalise;
140		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
141	#############################################################################	183	#############################################################################
142		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
143	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
144		197
145	=over 4	198	=over 4
146		199
147	=item $cf::UPTIME	200	=item $cf::UPTIME
148		201
149	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.
150		218
151	=item $cf::RUNTIME	219	=item $cf::RUNTIME
152		220
153	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
154	every server tick.	222	every server tick.
…		…
160	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
163	database environment.	231	database environment.
164		232
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	233	=item $cf::LOADAVG
174		234
175	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	246	from wherever your confdir points to.
187		247
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		249
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
194	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
195		272
196	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
197	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
198	that call.	275	that call.
199		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
200	=back	283	=back
201		284
202	=cut	285	=cut
203		286
204	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
205	*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 {
206	my $msg = join "", @_;	294	my $msg = join "", @_;
207		295
208	$msg .= "\n"	296	$msg .= "\n"
209	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
210		298
211	$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;
212		300
213	LOG llevError, $msg;	301	LOG llevWarn, $msg;
214	};	302	};
215	}
216		303
217	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	305	return unless $^S eq 0; # "eq", not "=="
219		306
220	if ($Coro::current == $Coro::main) {#d#	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	310	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	311	return;#d#
223	}#d#	312	}#d#
224		313
225	# kill coroutine otherwise	314	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	315	Coro::terminate
228	};	316	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		317
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	328	for my $pkg (qw(
243	cf::global cf::attachable	329	cf::global cf::attachable
244	cf::object cf::object::player	330	cf::object cf::object::player
245	cf::client cf::player	331	cf::client cf::player
246	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
247	cf::map cf::party cf::region	334	cf::party cf::region
248	)) {	335	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	337	}
252		338
253	$EV::DIED = sub {	339	$EV::DIED = sub {
254	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
255	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
256		347
257	#############################################################################	348	#############################################################################
258		349
259	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
260		351
…		…
281	$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;
282	$d	373	$d
283	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
284	}	375	}
285		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
286	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
287		392
288	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
289		394
290	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
296	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
297		402
298	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	468	=item cf::lock_wait $string
302		469
303	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
304		471
305	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
306		473
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
310	returned.	477	returned.
311		478
312	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
313	deadlocked coro.	480	deadlocked coro.
…		…
319		486
320	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.
321		488
322	=cut	489	=cut
323		490
324	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		492
327	sub lock_wait($) {	493	sub lock_wait($) {
328	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	495	}
341		496
342	sub lock_acquire($) {	497	sub lock_acquire($) {
343	my ($key) = @_;	498	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	499	}
357		500
358	sub lock_active($) {	501	sub lock_active($) {
359	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	503	}
363		504
364	sub freeze_mainloop {	505	sub freeze_mainloop {
365	tick_inhibit_inc;	506	tick_inhibit_inc;
366		507
367	Coro::guard \&tick_inhibit_dec;	508	&Guard::guard (\&tick_inhibit_dec);
368	}	509	}
369		510
370	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
371		512
372	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
373	get spread over timer.	514	get spread over time.
374		515
375	=cut	516	=cut
376		517
377	sub periodic($$) {	518	sub periodic($$) {
378	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
383	}	524	}
384		525
385	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
386		527
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	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
389	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.
390		535
391	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
392	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
393		538
394	Useful for short background jobs.	539	Useful for short background jobs.
395		540
396	=cut	541	=cut
397		542
398	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
400		546
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
404		550
405	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
406		553
407	while () {	554	while () {
408	next_job:	555	next_job:
		556
409	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	558
411	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	563	$job->[2]->send;
415	Coro::cede;	564	Coro::cede;
416	goto next_job;	565	goto next_job;
417	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	568	}
419	}	569	}
420		570
421	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
422	# 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
423	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	574	} else {
		575	$busy = 0;
426	Coro::schedule;	576	Coro::schedule;
427	}	577	}
428	}	578	}
429	};	579	};
430		580
431	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
432	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
433		585
434	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
435	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
436		589
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
465	=cut	618	=cut
466		619
467	sub sync_job(&) {	620	sub sync_job(&) {
468	my ($job) = @_;	621	my ($job) = @_;
469		622
470	if ($Coro::current == $Coro::main) {	623	if (in_main) {
471	my $time = EV::time;	624	my $time = AE::time;
472		625
473	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
475		628
476	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
477		630
478	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
479		632
480	my $busy = 1;	633	my $busy = 1;
481	my @res;	634	my @res;
482		635
483	(async {	636	(async {
484	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	638	@res = eval { $job->() };
486	warn $@ if $@;	639	error $@ if $@;
487	undef $busy;	640	undef $busy;
488	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
489		642
490	while ($busy) {	643	while ($busy) {
491	if (Coro::nready) {	644	if (Coro::nready) {
…		…
493	} else {	646	} else {
494	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
495	}	648	}
496	}	649	}
497		650
498	my $time = EV::time - $time;	651	my $time = AE::time - $time;
499		652
500	$TICK_START += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
501		654
502	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
503	} else {	656	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
526		679
527	$coro	680	$coro
528	}	681	}
529		682
530	=item fork_call { }, $args	683	=item fork_call { }, @args
531		684
532	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
533	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
534	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
535	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
536		689
537	=cut	690	=cut
538		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
539	sub fork_call(&@) {	696	sub fork_call(&@) {
540	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
541		698
542	# 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,
543	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
545		702
546	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
547	reset_signals;	704	cf::post_fork;
548	&$cb	705	&$cb
549	}, @args;	706	} @args;
550		707
551	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
552	}	747	}
553		748
554	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
555		750
556	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
566	within each server.	761	within each server.
567		762
568	=cut	763	=cut
569		764
570	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
571	my ($name) = @_;	769	my ($name) = @_;
572	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
573		771
574	eval {	772	eval {
575	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
585	}	783	}
586		784
587	our $DB;	785	our $DB;
588		786
589	sub db_init {	787	sub db_init {
590	cf::sync_job {
591	$DB ||= db_table "db";	788	$DB ||= db_table "db";
592	};
593	}	789	}
594		790
595	sub db_get($$) {	791	sub db_get($$) {
596	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
597		793
598	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
599	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
600		798
601	$! ? ()	799	$! ? ()
602	: $data	800	: $data
603	}
604	}	801	}
605		802
606	sub db_put($$$) {	803	sub db_put($$$) {
607	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
636		833
637	my @data;	834	my @data;
638	my $md5;	835	my $md5;
639		836
640	for (0 .. $#$src) {	837	for (0 .. $#$src) {
641	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
642	or Carp::croak "$src->[$_]: $!";
643	}	839	}
644		840
645	# if processing is expensive, check	841	# if processing is expensive, check
646	# checksum first	842	# checksum first
647	if (1) {	843	if (1) {
…		…
664		860
665	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
666	my $data = $process->(\@data);	862	my $data = $process->(\@data);
667	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
668		864
669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
670		866
671	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
672	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
673	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
674		870
…		…
684		880
685	=cut	881	=cut
686		882
687	sub datalog($@) {	883	sub datalog($@) {
688	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
690	}	886	}
691		887
692	=back	888	=back
693		889
694	=cut	890	=cut
695		891
696	#############################################################################	892	#############################################################################
697		893
698	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
699		895
700	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
701	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")
702	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
703		899
704	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>
705	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
…		…
755	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
756		952
757	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
758	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
759		955
760	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
761	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.
762		958
763	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
764		960
765	=over 4	961	=over 4
…		…
889		1085
890	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
891	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
892		1088
893	} elsif (ref $type) {	1089	} elsif (ref $type) {
894	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
895		1091
896	} else {	1092	} else {
897	shift @arg;	1093	shift @arg;
898	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
899	}	1095	}
900	}	1096	}
901	}	1097	}
902		1098
903	sub _object_attach {	1099	sub _object_attach {
…		…
913	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
914	}	1110	}
915		1111
916	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
917	} else {	1113	} else {
918	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
919	}	1115	}
920		1116
921	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
922	}	1118	}
923		1119
…		…
982		1178
983	for (@$callbacks) {	1179	for (@$callbacks) {
984	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
985		1181
986	if ($@) {	1182	if ($@) {
987	warn "$@";
988	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
989	override;	1184	override;
990	}	1185	}
991		1186
992	return 1 if $override;	1187	return 1 if $override;
993	}	1188	}
…		…
1056		1251
1057	sub reattach {	1252	sub reattach {
1058	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1059	my ($obj) = @_;	1254	my ($obj) = @_;
1060		1255
		1256	# no longer needed after getting rid of delete_package?
1061	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
1062		1258
1063	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1064		1260
1065	@$registry = ();	1261	@$registry = ();
1066		1262
…		…
1071	for (@$attach) {	1267	for (@$attach) {
1072	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1073	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1074	}	1270	}
1075	} else {	1271	} else {
1076	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1077	}	1273	}
1078	}	1274	}
1079	}	1275	}
1080		1276
1081	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1108	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1109		1305
1110	sync_job {	1306	sync_job {
1111	if (length $$rdata) {	1307	if (length $$rdata) {
1112	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1113	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1114	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1115		1312
1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1117	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1119	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	}
1120	close $fh;	1320	aio_close $fh;
1121		1321
1122	if (@$objs) {	1322	if (@$objs) {
1123	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) {
1124	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1126	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1127	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	}
1128	close $fh;	1331	aio_close $fh;
1129	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1130	}	1333	}
1131	} else {	1334	} else {
1132	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1133	}	1336	}
1134		1337
1135	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1136	} else {	1342	} else {
1137	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1138	}	1344	}
1139	} else {	1345	} else {
1140	aio_unlink $filename;	1346	aio_unlink $filename;
1141	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1142	}	1348	}
…		…
1166	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1167	$av = $st->{objs};	1373	$av = $st->{objs};
1168	}	1374	}
1169		1375
1170	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1171	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1172	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1173		1380
1174	($data, $av)	1381	($data, $av)
1175	}	1382	}
1176		1383
1177	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1233	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1234		1441
1235	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1236	}	1443	}
1237		1444
		1445	use File::Glob ();
		1446
1238	cf::player->attach (	1447	cf::player->attach (
1239	on_command => sub {	1448	on_unknown_command => sub {
1240	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1241		1450
1242	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1243	or return;	1452	or return;
1244		1453
…		…
1252	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1253		1462
1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1255		1464
1256	if (ref $msg) {	1465	if (ref $msg) {
1257	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1258	"ARRAY" eq ref $msg
1259	? @$msg
1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1261		1467
1262	my @reply;	1468	my @reply;
1263		1469
1264	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1265	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1267		1473
1268	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1269	if $reply;	1475	if $reply;
1270		1476
1271	} else {	1477	} else {
1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1273	}	1479	}
1274		1480
1275	cf::override;	1481	cf::override;
1276	},	1482	},
1277	);	1483	);
1278		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
1279	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1280	cf::sync_job {	1501	cf::sync_job {
1281	my %todo;	1502	my %todo;
1282		1503
1283	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1284	next unless -r $path;	1505	next unless -r $path;
…		…
1302		1523
1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305		1526
1306	$ext{source} =	1527	$ext{source} =
1307	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1308	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1309	. $source	1530	. $source
1310	. "\n};\n1";	1531	. "\n};\n1";
1311		1532
1312	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1313	}	1534	}
1314		1535
		1536	my $pass = 0;
1315	my %done;	1537	my %done;
1316	while (%todo) {	1538	while (%todo) {
1317	my $progress;	1539	my $progress;
1318		1540
		1541	++$pass;
		1542
		1543	ext:
1319	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1320	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1321	goto skip	1546	next ext
1322	unless exists $done{$_};	1547	unless exists $done{$_};
1323	}	1548	}
1324		1549
1325	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1326		1551
1327	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1328	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1329	: "$v->{base}: extension inactive.\n";
1330		1556
1331	if (exists $v->{meta}{mandatory}) {
1332	warn $msg;
1333	cf::cleanup "mandatory extension failed to load, exiting.";	1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1334	}	1558	if exists $v->{meta}{mandatory};
1335		1559
1336	warn $msg;	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1337	}	1569	}
1338
1339	$done{$k} = delete $todo{$k};
1340	push @EXTS, $v->{pkg};
1341	$progress = 1;
1342	}	1570	}
1343		1571
1344	skip:	1572	unless ($progress) {
1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1346	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	}
1347	}	1582	}
1348	};	1583	};
1349	}	1584	}
1350		1585
1351	#############################################################################	1586	#############################################################################
1352		1587
1353	=back	1588	=back
1354		1589
1355	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1356		1591
1357	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1358		1593
1359	=cut	1594	=cut
1360		1595
1361	package cf::player;	1596	package cf::player;
1362		1597
…		…
1405		1640
1406	sub exists($) {	1641	sub exists($) {
1407	my ($login) = @_;	1642	my ($login) = @_;
1408		1643
1409	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1410	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1411	}	1646	}
1412		1647
1413	sub find($) {	1648	sub find($) {
1414	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1415	my $login = $_[0];	1650	my $login = $_[0];
…		…
1427	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1428	or return;	1663	or return;
1429		1664
1430	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1431	or return;	1666	or return;
		1667
1432	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1433	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1434	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1435	}	1671	}
1436	}	1672	}
1437	}	1673	}
1438		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
1439	sub save($) {	1688	sub save($) {
1440	my ($pl) = @_;	1689	my ($pl) = @_;
1441		1690
1442	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1443		1692
…		…
1446		1695
1447	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1448		1697
1449	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1450	$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];
1451		1705
1452	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1453	cf::cede_to_tick;	1707	cf::cede_to_tick;
1454	}	1708	}
1455		1709
…		…
1487	my ($pl) = @_;	1741	my ($pl) = @_;
1488		1742
1489	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1490		1744
1491	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1492	$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
1493		1747
1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1495	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1496	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1497	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1498		1756
1499	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1500	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1501	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1539		1797
1540	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1541	my $path = path $login;	1799	my $path = path $login;
1542		1800
1543	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1544	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1546	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1547	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1548	}	1807	}
1549		1808
…		…
1553		1812
1554	\@logins	1813	\@logins
1555	}	1814	}
1556		1815
1557	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1558		1819
1559	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1560	player. May block.	1821	player. May block.
1561		1822
1562	=cut	1823	=cut
…		…
1580	}	1841	}
1581		1842
1582	\@paths	1843	\@paths
1583	}	1844	}
1584		1845
1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1586		1847
1587	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1588
1589	=cut
1590
1591	use re 'eval';
1592
1593	my $group;
1594	my $interior; $interior = qr{
1595	# match a pod interior sequence sans C<< >>
1596	(?:
1597	\ (.*?)\ (?{ $group = $^N })
1598	| < (??{$interior}) >
1599	)
1600	}x;
1601
1602	sub expand_cfpod {
1603	my ($self, $pod) = @_;
1604
1605	my $xml;
1606
1607	while () {
1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609	$group = $1;
1610
1611	$group =~ s/&/&amp;/g;
1612	$group =~ s/</&lt;/g;
1613
1614	$xml .= $group;
1615	} elsif ($pod =~ m%\G
1616	([BCGHITU])
1617	<
1618	(?:
1619	([^<>]*) (?{ $group = $^N })
1620	| < $interior >
1621	)
1622	>
1623	%gcsx
1624	) {
1625	my ($code, $data) = ($1, $group);
1626
1627	if ($code eq "B") {
1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629	} elsif ($code eq "I") {
1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631	} elsif ($code eq "U") {
1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633	} elsif ($code eq "C") {
1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635	} elsif ($code eq "T") {
1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637	} elsif ($code eq "G") {
1638	my ($male, $female) = split /\|/, $data;
1639	$data = $self->gender ? $female : $male;
1640	$xml .= expand_cfpod ($self, $data);
1641	} elsif ($code eq "H") {
1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644	"")
1645	[$self->{hintmode}];
1646	} else {
1647	$xml .= "error processing '$code($data)' directive";
1648	}
1649	} else {
1650	if ($pod =~ /\G(.+)/) {
1651	warn "parse error while expanding $pod (at $1)";
1652	}
1653	last;
1654	}
1655	}
1656
1657	for ($xml) {
1658	# create single paragraphs (very hackish)
1659	s/(?<=\S)\n(?=\w)/ /g;
1660
1661	# compress some whitespace
1662	s/\s+\n/\n/g; # ws line-ends
1663	s/\n\n+/\n/g; # double lines
1664	s/^\n+//; # beginning lines
1665	s/\n+$//; # ending lines
1666	}
1667
1668	$xml
1669	}
1670
1671	no re 'eval';
1672
1673	sub hintmode {
1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1675	$_[0]{hintmode}
1676	}
1677		1849
1678	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1679		1851
1680	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1681		1853
…		…
1713		1885
1714	=cut	1886	=cut
1715		1887
1716	sub find_by_path($) {	1888	sub find_by_path($) {
1717	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1718		1892
1719	my ($match, $specificity);	1893	my ($match, $specificity);
1720		1894
1721	for my $region (list) {	1895	for my $region (list) {
1722	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1748	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1749	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1750		1924
1751	sub generate_random_map {	1925	sub generate_random_map {
1752	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1753	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1754	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1758	$rmp->{exit_on_final_map},
1759	$rmp->{xsize}, $rmp->{ysize},
1760	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1761	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1762	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1763	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1764	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1765	(cf::region::find $rmp->{region}), $rmp->{custom}
1766	)
1767	}	1931	}
1768		1932
1769	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1770		1934
1771	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
…		…
1776		1940
1777	sub register {	1941	sub register {
1778	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1779	my $pkg = caller;	1943	my $pkg = caller;
1780		1944
1781	no strict;
1782	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1783		1946
1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1785	}	1948	}
1786		1949
1787	# also paths starting with '/'	1950	# also paths starting with '/'
1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1789		1952
1790	sub thawer_merge {	1953	sub thawer_merge {
1791	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1792		1955
1793	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1798	}	1961	}
1799		1962
1800	sub normalise {	1963	sub normalise {
1801	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1802		1965
1803	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1804		1967
1805	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1806		1969
1807	# map plan:	1970	# map plan:
1808	#	1971	#
…		…
1823	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1824	$path = "$base/$path";	1987	$path = "$base/$path";
1825	}	1988	}
1826		1989
1827	for ($path) {	1990	for ($path) {
1828	redo if s{//}{/};
1829	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1830	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1831	}	1993	}
1832		1994
1833	$path	1995	$path
…		…
1847	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1848	return $self;	2010	return $self;
1849	}	2011	}
1850	}	2012	}
1851		2013
1852	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1853	()	2015	()
1854	}	2016	}
1855		2017
		2018	# may re-bless or do other evil things
1856	sub init {	2019	sub init {
1857	my ($self) = @_;	2020	my ($self) = @_;
1858		2021
1859	$self	2022	$self
1860	}	2023	}
…		…
1879		2042
1880	# the temporary/swap location	2043	# the temporary/swap location
1881	sub save_path {	2044	sub save_path {
1882	my ($self) = @_;	2045	my ($self) = @_;
1883		2046
1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1885	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1886	}	2049	}
1887		2050
1888	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1889	sub uniq_path {	2052	sub uniq_path {
1890	my ($self) = @_;	2053	my ($self) = @_;
1891		2054
1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1893	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1894	}
1895
1896	# and all this just because we cannot iterate over
1897	# all maps in C++...
1898	sub change_all_map_light {
1899	my ($change) = @_;
1900
1901	$_->change_map_light ($change)
1902	for grep $_->outdoor, values %cf::MAP;
1903	}	2057	}
1904		2058
1905	sub decay_objects {	2059	sub decay_objects {
1906	my ($self) = @_;	2060	my ($self) = @_;
1907		2061
…		…
1934	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1935		2089
1936	1	2090	1
1937	}	2091	}
1938		2092
		2093	# used to laod the header of an original map
1939	sub load_header_orig {	2094	sub load_header_orig {
1940	my ($self) = @_;	2095	my ($self) = @_;
1941		2096
1942	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1943	}	2098	}
1944		2099
		2100	# used to laod the header of an instantiated map
1945	sub load_header_temp {	2101	sub load_header_temp {
1946	my ($self) = @_;	2102	my ($self) = @_;
1947		2103
1948	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1949	}	2105	}
1950		2106
		2107	# called after loading the header from an instantiated map
1951	sub prepare_temp {	2108	sub prepare_temp {
1952	my ($self) = @_;	2109	my ($self) = @_;
1953		2110
1954	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1955	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1956	# safety	2113	# safety
1957	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1958	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1959	}	2116	}
1960		2117
		2118	# called after loading the header from an original map
1961	sub prepare_orig {	2119	sub prepare_orig {
1962	my ($self) = @_;	2120	my ($self) = @_;
1963		2121
1964	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1965	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1989		2147
1990	sub find;	2148	sub find;
1991	sub find {	2149	sub find {
1992	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1993		2151
		2152	cf::cede_to_tick;
		2153
1994	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1995		2155
1996	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1997	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1998		2158
1999	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
2000	my $guard1 = cf::lock_acquire "map_find:$path";
2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
2003	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
2004	or return;	2161	or return;
2005		2162
2006	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
2007		2164
…		…
2009	or return;	2166	or return;
2010		2167
2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
2013	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
2014	undef $guard1;	2172	undef $guard1;
2015	undef $guard2;
2016	$map->reset;	2173	$map->reset;
2017	return find $path;	2174	return find $path;
2018	}	2175	}
2019		2176
2020	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
2021	}	2178	}
2022	}	2179	}
2023		2180
2024	sub pre_load { }	2181	sub pre_load { }
2025	sub post_load { }	2182	#sub post_load { } # XS
2026		2183
2027	sub load {	2184	sub load {
2028	my ($self) = @_;	2185	my ($self) = @_;
2029		2186
2030	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2033		2190
2034	{	2191	{
2035	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
2036		2193
2037	return unless $self->valid;	2194	return unless $self->valid;
2038	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
2039
2040	$self->in_memory (cf::MAP_LOADING);
2041		2196
2042	$self->alloc;	2197	$self->alloc;
2043		2198
2044	$self->pre_load;	2199	$self->pre_load;
2045	cf::cede_to_tick;	2200	cf::cede_to_tick;
2046		2201
		2202	if (exists $self->{load_path}) {
2047	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
2048	$f->skip_block;	2204	$f->skip_block;
2049	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
2050	or return;	2206	or return;
2051		2207
2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
2053	if delete $self->{load_original};	2209	if delete $self->{load_original};
2054		2210
2055	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
2056	utf8::encode $uniq;	2212	utf8::encode $uniq;
2057	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
2058	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
2059	$self->clear_unique_items;	2215	$self->clear_unique_items;
2060	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
2061	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
2062	}	2219	}
2063	}	2220	}
2064	}
2065		2221
2066	$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);
2067		2229
2068	cf::cede_to_tick;	2230	cf::cede_to_tick;
2069	# now do the right thing for maps	2231	# now do the right thing for maps
2070	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
2071	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
2075	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
2076	$self->decay_objects;	2238	$self->decay_objects;
2077	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
2078	$self->update_buttons;	2240	$self->update_buttons;
2079	cf::cede_to_tick;	2241	cf::cede_to_tick;
2080	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
2081	cf::cede_to_tick;
2082	$self->activate;
2083	}	2243	}
2084		2244
2085	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
2086	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
2087
2088	$self->in_memory (cf::MAP_IN_MEMORY);
2089	}	2247	}
2090		2248
2091	$self->post_load;	2249	$self->post_load;
2092	}
2093		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
2094	sub customise_for {	2257	sub customise_for {
2095	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
2096		2259
2097	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
2098	if $self->per_player;	2261	if $self->per_player;
…		…
2101	# if $self->per_party;	2264	# if $self->per_party;
2102		2265
2103	$self	2266	$self
2104	}	2267	}
2105		2268
2106	# find and load all maps in the 3x3 area around a map
2107	sub load_neighbours {
2108	my ($map) = @_;
2109
2110	my @neigh; # diagonal neighbours
2111
2112	for (0 .. 3) {
2113	my $neigh = $map->tile_path ($_)
2114	or next;
2115	$neigh = find $neigh, $map
2116	or next;
2117	$neigh->load;
2118
2119	push @neigh,
2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2122	}
2123
2124	for (grep defined $_->[0], @neigh) {
2125	my ($path, $origin) = @$_;
2126	my $neigh = find $path, $origin
2127	or next;
2128	$neigh->load;
2129	}
2130	}
2131
2132	sub find_sync {	2269	sub find_sync {
2133	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2134		2271
2135	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
2136	}	2277	}
2137		2278
2138	sub do_load_sync {	2279	sub do_load_sync {
2139	my ($map) = @_;	2280	my ($map) = @_;
2140		2281
		2282	# it's a bug to call this from the main context
2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2142	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2143		2285
2144	cf::sync_job { $map->load };	2286	$map->load;
2145	}	2287	}
2146		2288
2147	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2148	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2149		2291
2150	sub find_async {	2292	sub find_async {
2151	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2152		2294
2153	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2154		2296
2155	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2157	}	2299	}
2158		2300
2159	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2160		2302
2161	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2175	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2176		2318
2177	()	2319	()
2178	}	2320	}
2179		2321
		2322	# common code, used by both ->save and ->swapout
2180	sub save {	2323	sub _save {
2181	my ($self) = @_;	2324	my ($self) = @_;
2182
2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
2184		2325
2185	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2186		2327
2187	return unless $self->dirty;	2328	return unless $self->dirty;
2188		2329
…		…
2197		2338
2198	cf::async {	2339	cf::async {
2199	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2200	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2201	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2202		2345
2203	if ($uniq) {	2346	if ($uniq) {
2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2206	} else {	2349	} else {
2207	$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);
2208	}	2351	}
2209	}	2352	}
2210		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2211	sub swap_out {	2362	sub swap_out {
2212	my ($self) = @_;	2363	my ($self) = @_;
2213		2364
2214	# save first because save cedes
2215	$self->save;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2219	return if $self->players;	2369	return if $self->players;
2220	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
2221	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2222		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
2223	$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};
2224		2421
2225	$self->deactivate;	2422	$self->deactivate;
2226	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2227	$self->clear;	2424	$self->clear;
2228	}
2229
2230	sub reset_at {
2231	my ($self) = @_;
2232
2233	# TODO: safety, remove and allow resettable per-player maps
2234	return 1e99 if $self->{deny_reset};
2235
2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2238
2239	$time + $to
2240	}
2241
2242	sub should_reset {
2243	my ($self) = @_;
2244
2245	$self->reset_at <= $cf::RUNTIME
2246	}
2247
2248	sub reset {
2249	my ($self) = @_;
2250
2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
2252
2253	return if $self->players;
2254
2255	warn "resetting map ", $self->path;
2256
2257	$self->in_memory (cf::MAP_SWAPPED);
2258
2259	# need to save uniques path
2260	unless ($self->{deny_save}) {
2261	my $uniq = $self->uniq_path; utf8::encode $uniq;
2262
2263	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2264	if $uniq;
2265	}
2266
2267	delete $cf::MAP{$self->path};
2268
2269	$self->deactivate;
2270	$_->clear_links_to ($self) for values %cf::MAP;
2271	$self->clear;
2272		2425
2273	$self->unlink_save;	2426	$self->unlink_save;
2274	$self->destroy;	2427	$self->destroy;
2275	}	2428	}
2276		2429
…		…
2284		2437
2285	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2286		2439
2287	$self->unlink_save;	2440	$self->unlink_save;
2288		2441
2289	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2290	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2291	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2292	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2294		2447
…		…
2343		2496
2344	sub unique_maps() {	2497	sub unique_maps() {
2345	[	2498	[
2346	map {	2499	map {
2347	utf8::decode $_;	2500	utf8::decode $_;
2348	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2349	? normalise $_	2504	: normalise $_
2350	: ()
2351	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2352	]	2506	]
2353	}	2507	}
2354		2508
2355	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	}
2356		2540
2357	=back	2541	=back
2358		2542
2359	=head3 cf::object	2543	=head3 cf::object
2360		2544
…		…
2364		2548
2365	=over 4	2549	=over 4
2366		2550
2367	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2368		2552
2369	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.
2370		2555
2371	=cut	2556	=cut
2372		2557
2373	sub inv_recursive_;	2558	sub inv_recursive_;
2374	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2379	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2380	}	2565	}
2381		2566
2382	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2383		2568
2384	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.
2385		2570
2386	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2387		2572
2388	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,
2389	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2421	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
2422	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2423		2608
2424	=cut	2609	=cut
2425		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
2426	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2427	# with dialog boxes.	2626	# with dialog boxes.
2428	#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
2429	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2430	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2441	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443		2642
2444	} else {	2643	} else {
2445	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2446	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447	}	2646	}
2448	}	2647	}
2449	}	2648	}
2450		2649
2451	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2476		2675
2477	=item $player_object->enter_link	2676	=item $player_object->enter_link
2478		2677
2479	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}>).
2480		2679
2481	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.
2482	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.
2483		2684
2484	Will never block.	2685	Will never block.
2485		2686
2486	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2487		2688
…		…
2507	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2508	my ($self) = @_;	2709	my ($self) = @_;
2509		2710
2510	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2511		2712
		2713	++$self->{_link_recursion};
		2714
2512	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2513		2716
2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2515	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2516		2719
2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2518	}	2721	}
2519		2722
2520	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2521	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2522		2725
…		…
2539	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2540	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2541		2744
2542	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2543	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2544	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2545		2748
2546	$map->load;	2749	$map->load;
2547	$map->load_neighbours;
2548		2750
2549	return unless $self->contr->active;	2751	return unless $self->contr->active;
2550	$self->activate_recursive;
2551		2752
2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2553	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2554	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2555		2760
		2761	}
		2762
2556	=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)]])
2557		2764
2558	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
2559	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2560	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
2561	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
2562	be called at the end of this process.	2769	be called at the end of this process.
2563		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
2564	=cut	2774	=cut
2565		2775
2566	our $GOTOGEN;	2776	our $GOTOGEN;
2567		2777
2568	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2569	my ($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	}
2570		2786
2571	# 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
2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2573		2789
2574	$self->enter_link;	2790	$self->enter_link;
…		…
2594	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2595	}	2811	}
2596	}	2812	}
2597		2813
2598	my $map = eval {	2814	my $map = eval {
2599	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2600		2816
2601	if ($map) {	2817	if ($map) {
2602	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2603	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2604	} else {	2820	} else {
2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2606	}	2822	}
2607		2823
2608	$map	2824	$map
…		…
2616	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2617	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2618	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2619	}	2835	}
2620		2836
2621	$done->() if $done;	2837	$done->($self) if $done;
2622	})->prio (1);	2838	})->prio (1);
2623	}	2839	}
2624		2840
2625	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2626		2842
…		…
2646	}	2862	}
2647		2863
2648	sub prepare_random_map {	2864	sub prepare_random_map {
2649	my ($exit) = @_;	2865	my ($exit) = @_;
2650		2866
2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
2652
2653	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2654	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2655	# that depends on the exit object	2869	# that depends on the exit object
2656		2870
2657	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2659	if ($exit->map) {	2873	if ($exit->map) {
2660	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2661	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2662	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2663	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2664	}	2880	}
2665		2881
2666	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2667		2883
2668	my $data = cf::encode_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2669	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2670	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2671		2887
2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2673	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2674	undef $fh;	2890	undef $fh;
2675	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2676		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2677	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2678	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2679	}	2899	}
2680	}	2900	}
2681		2901
2682	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2683	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2684		2904
2685	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2686		2906
2687	if ($exit->slaying eq "/!") {
2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
2689	# the problem is that $exit might not survive long enough
2690	# so it needs to be done right now, right here
2691	cf::sync_job { prepare_random_map $exit };
2692	}
2693
2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2695	my $hp = $exit->stats->hp;
2696	my $sp = $exit->stats->sp;
2697
2698	$self->enter_link;	2907	$self->enter_link;
2699		2908
2700	# if exit is damned, update players death & WoR home-position
2701	$self->contr->savebed ($slaying, $hp, $sp)
2702	if $exit->flag (FLAG_DAMNED);
2703
2704	(async {	2909	(async {
2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2706		2911
2707	$self->deactivate_recursive; # just to be sure
2708	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
2709	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2710		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
2711	1;	2948	1
2712	}) {	2949	}) {
2713	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "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. "
2715	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2717		2954
2718	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	2956	$self->leave_link;
2720	}	2957	}
2721	})->prio (1);	2958	})->prio (1);
2722	}	2959	}
2723		2960
…		…
2735	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2736	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2737		2974
2738	utf8::encode $text;	2975	utf8::encode $text;
2739	$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);
2740	}	3002	}
2741		3003
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3005
2744	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
…		…
2748		3010
2749	=cut	3011	=cut
2750		3012
2751	# non-persistent channels (usually the info channel)	3013	# non-persistent channels (usually the info channel)
2752	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	},
2753	"c/identify" => {	3021	"c/identify" => {
2754	id => "infobox",	3022	id => "infobox",
2755	title => "Identify",	3023	title => "Identify",
2756	reply => undef,	3024	reply => undef,
2757	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3027	"c/examine" => {
2760	id => "infobox",	3028	id => "infobox",
2761	title => "Examine",	3029	title => "Examine",
2762	reply => undef,	3030	reply => undef,
2763	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",
2764	},	3038	},
2765	"c/book" => {	3039	"c/book" => {
2766	id => "infobox",	3040	id => "infobox",
2767	title => "Book",	3041	title => "Book",
2768	reply => undef,	3042	reply => undef,
…		…
2784	id => "infobox",	3058	id => "infobox",
2785	title => "Body Parts",	3059	title => "Body Parts",
2786	reply => undef,	3060	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3061	tooltip => "Shows which body parts you posess and are available",
2788	},	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	},
2789	"c/uptime" => {	3099	"c/uptime" => {
2790	id => "infobox",	3100	id => "infobox",
2791	title => "Uptime",	3101	title => "Uptime",
2792	reply => undef,	3102	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3103	tooltip => "How long the server has been running since last restart",
…		…
2796	id => "infobox",	3106	id => "infobox",
2797	title => "Map Info",	3107	title => "Map Info",
2798	reply => undef,	3108	reply => undef,
2799	tooltip => "Information related to the maps",	3109	tooltip => "Information related to the maps",
2800	},	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" => $CHAT_CHANNEL,
2801	);	3125	);
2802		3126
2803	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2805		3129
2806	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2807		3132
2808	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2809		3134
2810	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2811	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2812	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2813		3138
2814	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816
2817	$channel = $channel->{id};	3140	$channel = $channel->{id};
2818		3141
2819	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2820	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2821	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2822	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2823	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2824	if $self->can_msg;
2825	}	3147	}
2826		3148
2827	$channel = $channel->{id};	3149	$channel = $channel->{id};
2828	}	3150	}
2829		3151
2830	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2831		3153
2832	if ($self->can_msg) {
2833	# default colour, mask it out	3154	# default colour, mask it out
2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2836		3157
2837	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2839	} else {	3161	);
2840	if ($color >= 0) {
2841	# replace some tags by gcfclient-compatible ones
2842	for ($msg) {
2843	1 while
2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849	}
2850		3162
2851	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2852
2853	utf8::encode $msg;
2854
2855	if (0 && $msg =~ /\[/) {
2856	# COMMAND/INFO
2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2858	} else {
2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860	$self->send_packet ("drawinfo $color $msg")
2861	}
2862	}
2863	}
2864	}	3164	}
2865		3165
2866	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2867		3167
2868	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2871		3171
2872	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2873	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2874		3174
2875	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2877	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2878	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880	}	3180	}
2881	}	3181	}
2882		3182
2883	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2884		3184
…		…
2887	=cut	3187	=cut
2888		3188
2889	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2890	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2891		3191
2892	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2894	} elsif ($self->extcmd == 1) {
2895	#TODO: version 1, remove
2896	unshift @msg, msgtype => "reply", msgid => $id;
2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2898	}
2899	}	3195	}
2900		3196
2901	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2902		3198
2903	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2958	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2959		3255
2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2961		3257
2962	if (ref $msg) {	3258	if (ref $msg) {
2963	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2964	"ARRAY" eq ref $msg
2965	? @$msg
2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2967		3260
2968	my @reply;	3261	my @reply;
2969		3262
2970	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2971	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2973		3266
2974	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2975	if $reply;	3268	if $reply;
2976		3269
2977	} else {	3270	} else {
2978	warn "client " . ($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";
2979	}	3272	}
2980		3273
2981	cf::override;	3274	cf::override;
2982	},	3275	},
2983	);	3276	);
…		…
3003		3296
3004	$coro	3297	$coro
3005	}	3298	}
3006		3299
3007	cf::client->attach (	3300	cf::client->attach (
3008	on_destroy => sub {	3301	on_client_destroy => sub {
3009	my ($ns) = @_;	3302	my ($ns) = @_;
3010		3303
3011	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3012	},	3305	},
3013	);	3306	);
…		…
3029	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
3030		3323
3031	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
3032		3325
3033	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
3034	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
3035	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
3036	sort time	3329	sort time
3037	));	3330	));
3038		3331
3039	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
3042		3335
3043	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
3044		3337
3045	cf::object	3338	cf::object
3046	contr pay_amount pay_player map x y force_find force_add destroy	3339	contr pay_amount pay_player map x y force_find force_add destroy
3047	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
3048		3342
3049	cf::object::player	3343	cf::object::player
3050	player	3344	player
3051		3345
3052	cf::player	3346	cf::player
…		…
3057		3351
3058	=cut	3352	=cut
3059		3353
3060	for (	3354	for (
3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
3063	decrease_ob_nr destroy)],	3357	decrease split destroy change_exp value msg lore send_msg)],
3064	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
3065	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
3066	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
3067	) {	3361	) {
3068	no strict 'refs';
3069	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
3070	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3071	for @funs;	3364	for @funs;
3072	}	3365	}
3073		3366
…		…
3088		3381
3089	my $qcode = $code;	3382	my $qcode = $code;
3090	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3091	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
3092		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
3093	local $_;	3389	local $_;
3094	local @safe::cf::_safe_eval_args = values %vars;
3095		3390
3096	my $eval =	3391	my $eval =
3097	"do {\n"	3392	"do {\n"
3098	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3099	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
3100	. $code	3395	. $code
3101	. "\n}"	3396	. "\n}"
3102	;	3397	;
3103		3398
		3399	if ($CFG{safe_eval}) {
3104	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
3105	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3106	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
3107		3408
3108	if ($@) {	3409	if ($@) {
3109	warn "$@";	3410	warn "$@",
3110	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
3111	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
3112	}	3413	}
3113		3414
3114	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
3115	}	3416	}
3116		3417
…		…
3130	=cut	3431	=cut
3131		3432
3132	sub register_script_function {	3433	sub register_script_function {
3133	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
3134		3435
3135	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
3136	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
3137	}	3438	}
3138		3439
3139	=back	3440	=back
3140		3441
3141	=cut	3442	=cut
…		…
3150	# for this (global event?)	3451	# for this (global event?)
3151	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3152		3453
3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3154		3455
3155	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3156		3457
3157	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3158	0 < aio_load $path, $facedata
3159	or die "$path: $!";
3160
3161	$facedata = Coro::Storable::thaw $facedata;
3162		3459
3163	$facedata->{version} == 2	3460	$facedata->{version} == 2
3164	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3165		3462
3166	# 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]);
3167	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3168	type => FT_RSRC,	3466	type => FT_RSRC,
3169	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),
3170	};	3469	};
3171	cf::cede_to_tick;	3470	cf::cede_to_tick;
3172		3471
3173	{	3472	{
3174	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
…		…
3176	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3178		3477
3179	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3180	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3182	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} , $info->{glyph} ;
3183		3483
3184	cf::cede_to_tick;	3484	cf::cede_to_tick;
3185	}	3485	}
3186		3486
3187	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
…		…
3192		3492
3193	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3194	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3196	} else {	3496	} else {
3197	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3198	}	3498	}
3199		3499
3200	cf::cede_to_tick;	3500	cf::cede_to_tick;
3201	}	3501	}
3202	}	3502	}
…		…
3211		3511
3212	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3213	}	3513	}
3214		3514
3215	{	3515	{
3216	# TODO: for gcfclient pleasure, we should give resources
3217	# that gcfclient doesn't grok a >10000 face index.
3218	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3219		3517
3220	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
3221	if (defined $info->{type}) {	3519	if (defined (my $type = delete $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3223	my $data;
3224		3522
3225	if ($info->{type} & 1) {	3523	cf::face::set_data $idx, 0, delete $info->{data}, delete $info->{hash};
3226	# prepend meta info
3227
3228	my $meta = $enc->encode ({
3229	name => $name,
3230	%{ $info->{meta} || {} },
3231	});
3232
3233	$data = pack "(w/a*)*", $meta, $info->{data};
3234	} else {
3235	$data = $info->{data};
3236	}
3237
3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3239	cf::face::set_type $idx, $info->{type};	3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, (keys %$info && (~$type & 1)) ? $info : undef; # any keys left are stashed into meta unless prepended
3240	} else {	3526	} else {
3241	$RESOURCE{$name} = $info;	3527	# $RESOURCE{$name} = $info; # unused
3242	}	3528	}
3243		3529
3244	cf::cede_to_tick;	3530	cf::cede_to_tick;
3245	}	3531	}
3246	}	3532	}
3247		3533
3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3249		3535
3250	1	3536	1
3251	}	3537	}
3252
3253	cf::global->attach (on_resource_update => sub {
3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3256
3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3258	my $sound = $soundconf->{compat}[$_]
3259	or next;
3260
3261	my $face = cf::face::find "sound/$sound->[1]";
3262	cf::sound::set $sound->[0] => $face;
3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3264	}
3265
3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
3267	my $face = cf::face::find "sound/$v";
3268	cf::sound::set $k => $face;
3269	}
3270	}
3271	});
3272		3538
3273	register_exticmd fx_want => sub {	3539	register_exticmd fx_want => sub {
3274	my ($ns, $want) = @_;	3540	my ($ns, $want) = @_;
3275		3541
3276	while (my ($k, $v) = each %$want) {	3542	while (my ($k, $v) = each %$want) {
3277	$ns->fx_want ($k, $v);	3543	$ns->fx_want ($k, $v);
3278	}	3544	}
3279	};	3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
3280		3556
3281	sub reload_regions {	3557	sub reload_regions {
3282	# HACK to clear player env face cache, we need some signal framework	3558	# HACK to clear player env face cache, we need some signal framework
3283	# for this (global event?)	3559	# for this (global event?)
3284	%ext::player_env::MUSIC_FACE_CACHE = ();	3560	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3298	}	3574	}
3299		3575
3300	sub reload_archetypes {	3576	sub reload_archetypes {
3301	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
3302	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
3303	#d# NEED to laod twice to resolve forward references
3304	# this really needs to be done in an extra post-pass
3305	# (which needs to be synchronous, so solve it differently)
3306	load_resource_file "$DATADIR/archetypes"
3307	or die "unable to load archetypes\n";
3308	}	3579	}
3309		3580
3310	sub reload_treasures {	3581	sub reload_treasures {
3311	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
3312	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
3313	}	3584	}
3314		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
3315	sub reload_resources {	3606	sub reload_resources {
3316	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
3317		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
3318	reload_regions;	3614	reload_regions;
3319	reload_facedata;
3320	#reload_archetypes;#d#
3321	reload_archetypes;
3322	reload_treasures;	3615	reload_treasures;
3323		3616
3324	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
3325	}
3326
3327	sub init {
3328	reload_resources;
3329	}	3618	}
3330		3619
3331	sub reload_config {	3620	sub reload_config {
3332	open my $fh, "<:utf8", "$CONFDIR/config"	3621	trace "reloading config file...\n";
3333	or return;
3334		3622
3335	local $/;	3623	my $config = load_file "$CONFDIR/config";
3336	*CFG = YAML::Load <$fh>;	3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
3337		3626
3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3339		3628
3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3342		3631
3343	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
3347	};	3636	};
3348	warn $@ if $@;	3637	warn $@ if $@;
3349	}	3638	}
3350	}	3639	}
3351		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
3352	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
3353	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
3354	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3356	(async {	3682	(async {
3357	$Coro::current->{desc} = "IDLE BUG HANDLER";	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
3358	EV::loop EV::LOOP_ONESHOT;	3684	EV::loop EV::LOOP_ONESHOT;
3359	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
3360	};	3686	};
3361		3687
		3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
3362	reload_config;	3700	reload_config;
3363	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
3364	load_extensions;	3711	load_extensions;
3365		3712
3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3713	utime time, time, $RUNTIMEFILE;
3367	evthread_start;	3714
3368	EV::loop;	3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
3369	}	3730	}
3370		3731
3371	#############################################################################	3732	#############################################################################
3372	# initialisation and cleanup	3733	# initialisation and cleanup
3373		3734
3374	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
3375	BEGIN {	3736	BEGIN {
3376	our %SIGWATCHER = ();	3737	our %SIGWATCHER = ();
3377	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3379	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
3380	};	3741	};
3381	}	3742	}
3382	}	3743	}
3383		3744
3384	sub write_runtime {	3745	sub write_runtime_sync {
3385	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
3386		3747
3387	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
3388	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
3389		3750
3390	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3391		3752
3392	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
3393		3754
3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3395	or return;	3756	or return;
3396		3757
3397	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
3398	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
3399	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
3409	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
3410		3771
3411	close $fh	3772	close $fh
3412	or return;	3773	or return;
3413		3774
3414	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3415	and return;	3776	and return;
3416		3777
3417	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3418		3779
3419	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
3420	}	3831	}
3421		3832
3422	sub emergency_save() {	3833	sub emergency_save() {
3423	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
3424		3835
3425	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
3426		3842
3427	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
3428	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
3429	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
3430	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
3431	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
3432	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
3433	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
3434	$pl->valid or next;	3852	$pl->valid or next;
3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3436	$pl->save;	3854	$pl->save;
3437	}	3855	}
3438	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
3439		3857
3440	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
3441	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
3442	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
3443	$map->valid or next;	3863	$map->valid or next;
3444	$map->save;	3864	$map->save;
3445	}	3865	}
3446	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
3447		3867
3448	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
3449	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
3450	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
3451	};	3896	};
3452		3897
3453	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
3454	}	3899	}
3455		3900
3456	sub post_cleanup {	3901	sub post_cleanup {
3457	my ($make_core) = @_;	3902	my ($make_core) = @_;
3458		3903
		3904	IO::AIO::flush;
		3905
3459	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
3460	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
3461	}	3936	}
3462		3937
3463	sub do_reload_perl() {	3938	sub do_reload_perl() {
3464	# can/must only be called in main	3939	# can/must only be called in main
3465	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
3466	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
3467	return;	3942	return;
3468	}	3943	}
3469		3944
3470	warn "reloading...";	3945	return if $RELOAD++;
3471		3946
3472	warn "entering sync_job";	3947	my $t1 = AE::time;
3473		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
3474	cf::sync_job {	3955	cf::sync_job {
3475	cf::write_runtime; # external watchdog should not bark
3476	cf::emergency_save;	3956	#cf::emergency_save;
3477	cf::write_runtime; # external watchdog should not bark
3478		3957
3479	warn "syncing database to disk";
3480	BDB::db_env_txn_checkpoint $DB_ENV;
3481
3482	# if anything goes wrong in here, we should simply crash as we already saved
3483
3484	warn "flushing outstanding aio requests";
3485	for (;;) {
3486	BDB::flush;
3487	IO::AIO::flush;
3488	Coro::cede_notself;
3489	last unless IO::AIO::nreqs || BDB::nreqs;
3490	warn "iterate...";
3491	}
3492
3493	++$RELOAD;
3494
3495	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
3496	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
3497	%EXT_CORO = ();	3960	%EXT_CORO = ();
3498		3961
3499	warn "removing commands";	3962	trace "perl_reload: removing commands";
3500	%COMMAND = ();	3963	%COMMAND = ();
3501		3964
3502	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3503	%EXTCMD = ();	3966	%EXTCMD = ();
3504	%EXTICMD = ();	3967	%EXTICMD = ();
3505		3968
3506	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3507	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3508	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3509		3972
3510	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3511	eval {	3974	eval {
3512	$cb->($pkg);	3975	$cb->($pkg);
3513	1	3976	1
3514	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
3515	}	3982	}
3516		3983
3517	warn "... nuking $pkg";
3518	Symbol::delete_package $pkg;
3519	}
3520
3521	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3522	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3524		3987
3525	warn "... unloading $k";	3988	trace "... unloading $k";
3526	delete $INC{$k};	3989	delete $INC{$k};
3527		3990
3528	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3529	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3530		3993
3531	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3532	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3533	}	3999	}
3534		4000
3535	Symbol::delete_package $k;
3536	}
3537
3538	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3539	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3541		4004
3542	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3543	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3544	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3545		4008
3546	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3547	# and global variables created in xs	4010	# and global variables created in xs
3548	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3549		4012
3550	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3551		4014
3552	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3553	require cf;	4016	require cf;
3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3555		4018
3556	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3557	cf::reload_config;	4020	cf::reload_config;
3558		4021
3559	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3560	cf::load_extensions;	4023	cf::load_extensions;
3561		4024
		4025	if ($REATTACH_ON_RELOAD) {
3562	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3563	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3564	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3565	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3566	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3567	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3568		4033
3569	warn "leaving sync_job";	4034	cf::_post_init 1;
3570		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3571	1	4038	1
3572	} or do {	4039	} or do {
3573	warn $@;	4040	error $@;
3574	cf::cleanup "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
		4042	};
		4043
		4044	--$RELOAD;
3575	};	4045	}
3576		4046
3577	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3578	};	4049	};
3579		4050
3580	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3581		4052
3582	sub reload_perl() {	4053	sub reload_perl() {
3583	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3584	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3585		4056
		4057	$RELOAD_WATCHER ||= cf::async {
		4058	Coro::AIO::aio_wait cache_extensions;
		4059
3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3587	do_reload_perl;	4061	do_reload_perl;
3588	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
		4063	};
3589	};	4064	};
3590	}	4065	}
3591		4066
3592	register_command "reload" => sub {	4067	register_command "reload" => sub {
3593	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
…		…
3599	reload_perl;	4074	reload_perl;
3600	};	4075	};
3601	}	4076	}
3602	};	4077	};
3603		4078
3604	unshift @INC, $LIBDIR;	4079	#############################################################################
3605		4080
3606	my $bug_warning = 0;	4081	my $bug_warning = 0;
3607		4082
3608	our @WAIT_FOR_TICK;
3609	our @WAIT_FOR_TICK_BEGIN;
3610
3611	sub wait_for_tick {	4083	sub wait_for_tick() {
3612	return if tick_inhibit;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3613	return if $Coro::current == $Coro::main;
3614		4085
3615	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3616	push @WAIT_FOR_TICK, $signal;
3617	$signal->wait;
3618	}	4087	}
3619		4088
3620	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3621	return if tick_inhibit;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3622	return if $Coro::current == $Coro::main;
3623		4091
3624	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3625	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3626	$signal->wait;	4094	$signal->wait;
3627	}	4095	}
…		…
3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3632	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3633	return;	4101	return;
3634	}	4102	}
3635		4103
3636	cf::server_tick; # one server iteration	4104	cf::one_tick; # one server iteration
		4105
		4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3637		4107
3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3640	Coro::async_pool {	4110	Coro::async_pool {
3641	$Coro::current->{desc} = "runtime saver";	4111	$Coro::current->{desc} = "runtime saver";
3642	write_runtime	4112	write_runtime_sync
3643	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
3644	};	4114	};
3645	}	4115	}
3646		4116
3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3648	$sig->send;	4118	$sig->send;
3649	}	4119	}
3650	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3651	$sig->send;
3652	}
3653		4121
3654	$LOAD = ($NOW - $TICK_START) / $TICK;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3656		4124
3657	if (0) {	4125	if (0) {
3658	if ($NEXT_TICK) {	4126	if ($NEXT_TICK) {
3659	my $jitter = $TICK_START - $NEXT_TICK;	4127	my $jitter = $TICK_START - $NEXT_TICK;
3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3661	warn "jitter $JITTER\n";#d#	4129	debug "jitter $JITTER\n";#d#
3662	}	4130	}
3663	}	4131	}
3664	}	4132	}
3665		4133
3666	{	4134	{
3667	# configure BDB	4135	# configure BDB
3668		4136
3669	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3670	BDB::max_poll_reqs $TICK * 0.1;	4138	BDB::max_poll_reqs $TICK * 0.1;
3671	$Coro::BDB::WATCHER->priority (1);	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3672		4140
3673	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3674	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3676	| BDB::LOG_AUTOREMOVE, 1);	4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679		4148
3680	cf::sync_job {	4149	cf::sync_job {
3681	eval {	4150	eval {
…		…
3707	{	4176	{
3708	# configure IO::AIO	4177	# configure IO::AIO
3709		4178
3710	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3711	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3712	$Coro::AIO::WATCHER->priority (1);	4181	undef $AnyEvent::AIO::WATCHER;
3713	}	4182	}
3714		4183
3715	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3716		4186
3717	sub _log_backtrace {	4187	sub _log_backtrace {
3718	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3719		4189
3720	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3721		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3722	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3723	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3724	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3725	async {	4200	async {
3726	$Coro::current->{desc} = "abt $msg";	4201	$Coro::current->{desc} = "abt $msg";
3727		4202
3728	my @bt = fork_call {	4203	my @bt = fork_call {
3729	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
…		…
3740	}	4215	}
3741		4216
3742	@funcs	4217	@funcs
3743	};	4218	};
3744		4219
3745	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3746	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3747	--$_log_backtrace;	4223	--$_log_backtrace;
3748	};	4224	};
3749	} else {	4225	} else {
3750	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3751	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3752	}	4228	}
3753	}	4229	}
3754		4230
3755	# load additional modules	4231	# load additional modules
3756	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3757		4234
3758	END { cf::emergency_save }	4235	END { cf::emergency_save }
3759		4236
3760	1	4237	1
3761		4238

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