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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML::Syck ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
74	our %RESOURCE;	113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
90		134
91	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
93	our $NOW;	138	our $NOW;
94		139
95	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		146
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
105		159
106	binmode STDOUT;	160	binmode STDOUT;
107	binmode STDERR;	161	binmode STDERR;
108		162
109	# read virtual server time, if available	163	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
114	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
115		171
116	mkdir $_	172	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		174
119	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
120		176
121	sub cf::map::normalise;	177	sub cf::map::normalise;
122		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
123	#############################################################################	183	#############################################################################
124		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
125	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
126		197
127	=over 4	198	=over 4
128		199
129	=item $cf::UPTIME	200	=item $cf::UPTIME
130		201
131	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.
132		218
133	=item $cf::RUNTIME	219	=item $cf::RUNTIME
134		220
135	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
136	every server tick.	222	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
145	database environment.	231	database environment.
146		232
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	233	=item $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	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
179	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
180	that call.	275	that call.
181		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
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$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;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
198		317
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	328	for my $pkg (qw(
210	cf::global cf::attachable	329	cf::global cf::attachable
211	cf::object cf::object::player	330	cf::object cf::object::player
212	cf::client cf::player	331	cf::client cf::player
213	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
214	cf::map cf::party cf::region	334	cf::party cf::region
215	)) {	335	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	337	}
219		338
220	$EV::DIED = sub {	339	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$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;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		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
253	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
254		392
255	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
256		394
257	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
263	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
264		402
265	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
267		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
268	=item cf::lock_wait $string	468	=item cf::lock_wait $string
269		469
270	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
271		471
272	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
273		473
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
277	returned.	477	returned.
278		478
279	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
280	deadlocked coro.	480	deadlocked coro.
…		…
286		486
287	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.
288		488
289	=cut	489	=cut
290		490
291	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		492
294	sub lock_wait($) {	493	sub lock_wait($) {
295	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	495	}
308		496
309	sub lock_acquire($) {	497	sub lock_acquire($) {
310	my ($key) = @_;	498	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	499	}
324		500
325	sub lock_active($) {	501	sub lock_active($) {
326	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	503	}
330		504
331	sub freeze_mainloop {	505	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
333		507
334	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;
336	};
337	$TICK_WATCHER->stop;
338	$guard
339	}	509	}
340		510
341	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
342		512
343	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
344	get spread over timer.	514	get spread over time.
345		515
346	=cut	516	=cut
347		517
348	sub periodic($$) {	518	sub periodic($$) {
349	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
353	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
354	}	524	}
355		525
356	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
357		527
358	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
359	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
360	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.
361		535
362	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
363	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
364		538
365	Useful for short background jobs.	539	Useful for short background jobs.
366		540
367	=cut	541	=cut
368		542
369	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
370	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
371		546
372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
373	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
374	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
375		550
376	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
377		553
378	while () {	554	while () {
379	next_job:	555	next_job:
		556
380	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
381	if ($avail > 0.01) {	558
382	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
383	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
384	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
385	$job->[2]->send;	563	$job->[2]->send;
386	Coro::cede;	564	Coro::cede;
387	goto next_job;	565	goto next_job;
388	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
389	}	568	}
390	}	569	}
391		570
392	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
393	# 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
394	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
395	$signal->wait;
396	} else {	574	} else {
		575	$busy = 0;
397	Coro::schedule;	576	Coro::schedule;
398	}	577	}
399	}	578	}
400	};	579	};
401		580
402	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
403	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
404		585
405	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
406	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
407		589
408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
410	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
436	=cut	618	=cut
437		619
438	sub sync_job(&) {	620	sub sync_job(&) {
439	my ($job) = @_;	621	my ($job) = @_;
440		622
441	if ($Coro::current == $Coro::main) {	623	if (in_main) {
442	my $time = EV::time;	624	my $time = AE::time;
443		625
444	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
445	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
446		628
447	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
448		630
449	# TODO: use suspend/resume instead
450	# (but this is cancel-safe)
451	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
452		632
453	my $busy = 1;	633	my $busy = 1;
454	my @res;	634	my @res;
455		635
456	(async {	636	(async {
457	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
458	@res = eval { $job->() };	638	@res = eval { $job->() };
459	warn $@ if $@;	639	error $@ if $@;
460	undef $busy;	640	undef $busy;
461	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
462		642
463	while ($busy) {	643	while ($busy) {
464	if (Coro::nready) {	644	if (Coro::nready) {
…		…
466	} else {	646	} else {
467	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
468	}	648	}
469	}	649	}
470		650
471	$time = EV::time - $time;	651	my $time = AE::time - $time;
472		652
473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
475
476	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
477		654
478	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
479	} else {	656	} else {
480	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
481		658
…		…
501	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
502		679
503	$coro	680	$coro
504	}	681	}
505		682
506	=item fork_call { }, $args	683	=item fork_call { }, @args
507		684
508	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
509	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
510	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
511	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
512		689
513	=cut	690	=cut
514		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
515	sub fork_call(&@) {	696	sub fork_call(&@) {
516	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
517		698
518	# 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,
519	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
520	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
521		702
522	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
523	reset_signals;	704	cf::post_fork;
524	&$cb	705	&$cb
525	}, @args;	706	} @args;
526		707
527	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
528	}	747	}
529		748
530	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
531		750
532	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
542	within each server.	761	within each server.
543		762
544	=cut	763	=cut
545		764
546	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
547	my ($name) = @_;	769	my ($name) = @_;
548	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
549		771
550	eval {	772	eval {
551	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
561	}	783	}
562		784
563	our $DB;	785	our $DB;
564		786
565	sub db_init {	787	sub db_init {
566	cf::sync_job {
567	$DB ||= db_table "db";	788	$DB ||= db_table "db";
568	};
569	}	789	}
570		790
571	sub db_get($$) {	791	sub db_get($$) {
572	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
573		793
574	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
575	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
576		798
577	$! ? ()	799	$! ? ()
578	: $data	800	: $data
579	}
580	}	801	}
581		802
582	sub db_put($$$) {	803	sub db_put($$$) {
583	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
612		833
613	my @data;	834	my @data;
614	my $md5;	835	my $md5;
615		836
616	for (0 .. $#$src) {	837	for (0 .. $#$src) {
617	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
618	or Carp::croak "$src->[$_]: $!";
619	}	839	}
620		840
621	# if processing is expensive, check	841	# if processing is expensive, check
622	# checksum first	842	# checksum first
623	if (1) {	843	if (1) {
…		…
640		860
641	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
642	my $data = $process->(\@data);	862	my $data = $process->(\@data);
643	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
644		864
645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
646		866
647	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
648	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
649	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
650		870
…		…
660		880
661	=cut	881	=cut
662		882
663	sub datalog($@) {	883	sub datalog($@) {
664	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
666	}	886	}
667		887
668	=back	888	=back
669		889
670	=cut	890	=cut
671		891
672	#############################################################################	892	#############################################################################
673		893
674	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
675		895
676	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
677	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")
678	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
679		899
680	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>
681	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
…		…
731	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
732		952
733	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
734	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
735		955
736	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
737	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.
738		958
739	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
740		960
741	=over 4	961	=over 4
…		…
865		1085
866	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
867	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
868		1088
869	} elsif (ref $type) {	1089	} elsif (ref $type) {
870	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
871		1091
872	} else {	1092	} else {
873	shift @arg;	1093	shift @arg;
874	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
875	}	1095	}
876	}	1096	}
877	}	1097	}
878		1098
879	sub _object_attach {	1099	sub _object_attach {
…		…
889	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
890	}	1110	}
891		1111
892	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
893	} else {	1113	} else {
894	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
895	}	1115	}
896		1116
897	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
898	}	1118	}
899		1119
…		…
958		1178
959	for (@$callbacks) {	1179	for (@$callbacks) {
960	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
961		1181
962	if ($@) {	1182	if ($@) {
963	warn "$@";
964	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
965	override;	1184	override;
966	}	1185	}
967		1186
968	return 1 if $override;	1187	return 1 if $override;
969	}	1188	}
970		1189
971	0	1190	0
972	}	1191	}
973		1192
974	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
975		1194
976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
977		1196
978	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
979		1198
…		…
1032		1251
1033	sub reattach {	1252	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1035	my ($obj) = @_;	1254	my ($obj) = @_;
1036		1255
		1256	# no longer needed after getting rid of delete_package?
1037	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
1038		1258
1039	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1040		1260
1041	@$registry = ();	1261	@$registry = ();
1042		1262
…		…
1047	for (@$attach) {	1267	for (@$attach) {
1048	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1049	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1050	}	1270	}
1051	} else {	1271	} else {
1052	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1053	}	1273	}
1054	}	1274	}
1055	}	1275	}
1056		1276
1057	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1084	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1085		1305
1086	sync_job {	1306	sync_job {
1087	if (length $$rdata) {	1307	if (length $$rdata) {
1088	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1089	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1090	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1091		1312
1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095	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	}
1096	close $fh;	1320	aio_close $fh;
1097		1321
1098	if (@$objs) {	1322	if (@$objs) {
1099	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) {
1100	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1103	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	}
1104	close $fh;	1331	aio_close $fh;
1105	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1106	}	1333	}
1107	} else {	1334	} else {
1108	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1109	}	1336	}
1110		1337
1111	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1112	} else {	1342	} else {
1113	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1114	}	1344	}
1115	} else {	1345	} else {
1116	aio_unlink $filename;	1346	aio_unlink $filename;
1117	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1118	}	1348	}
…		…
1142	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1143	$av = $st->{objs};	1373	$av = $st->{objs};
1144	}	1374	}
1145		1375
1146	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1147	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1148	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1149		1380
1150	($data, $av)	1381	($data, $av)
1151	}	1382	}
1152		1383
1153	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1209	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1210		1441
1211	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1212	}	1443	}
1213		1444
		1445	use File::Glob ();
		1446
1214	cf::player->attach (	1447	cf::player->attach (
1215	on_command => sub {	1448	on_unknown_command => sub {
1216	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1217		1450
1218	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1219	or return;	1452	or return;
1220		1453
…		…
1243		1476
1244	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1245	if $reply;	1478	if $reply;
1246		1479
1247	} else {	1480	} else {
1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1249	}	1482	}
1250		1483
1251	cf::override;	1484	cf::override;
1252	},	1485	},
1253	);	1486	);
1254		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1255	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1256	cf::sync_job {	1504	cf::sync_job {
1257	my %todo;	1505	my %todo;
1258		1506
1259	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1260	next unless -r $path;	1508	next unless -r $path;
…		…
1278		1526
1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281		1529
1282	$ext{source} =	1530	$ext{source} =
1283	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1284	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1285	. $source	1533	. $source
1286	. "\n};\n1";	1534	. "\n};\n1";
1287		1535
1288	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1289	}	1537	}
1290		1538
		1539	my $pass = 0;
1291	my %done;	1540	my %done;
1292	while (%todo) {	1541	while (%todo) {
1293	my $progress;	1542	my $progress;
1294		1543
		1544	++$pass;
		1545
		1546	ext:
1295	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1296	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1297	goto skip	1549	next ext
1298	unless exists $done{$_};	1550	unless exists $done{$_};
1299	}	1551	}
1300		1552
1301	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1302		1554
1303	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1304	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1305	: "$v->{base}: extension inactive.\n";
1306		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1307	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1308	warn $msg;	1562
1309	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1310	exit 1;	1564	delete $todo{$k};
1311	}	1565	} else {
1312		1566	$done{$k} = delete $todo{$k};
1313	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1314	}	1572	}
1315
1316	$done{$k} = delete $todo{$k};
1317	push @EXTS, $v->{pkg};
1318	$progress = 1;
1319	}	1573	}
1320		1574
1321	skip:	1575	unless ($progress) {
1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1323	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1324	}	1585	}
1325	};	1586	};
1326	}	1587	}
1327		1588
1328	#############################################################################	1589	#############################################################################
1329		1590
1330	=back	1591	=back
1331		1592
1332	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1333		1594
1334	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1335		1596
1336	=cut	1597	=cut
1337		1598
1338	package cf::player;	1599	package cf::player;
1339		1600
…		…
1382		1643
1383	sub exists($) {	1644	sub exists($) {
1384	my ($login) = @_;	1645	my ($login) = @_;
1385		1646
1386	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1387	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1388	}	1649	}
1389		1650
1390	sub find($) {	1651	sub find($) {
1391	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1392	my $login = $_[0];	1653	my $login = $_[0];
…		…
1404	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1405	or return;	1666	or return;
1406		1667
1407	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1408	or return;	1669	or return;
		1670
1409	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1410	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1411	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1412	}	1674	}
1413	}	1675	}
1414	}	1676	}
1415		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1416	sub save($) {	1691	sub save($) {
1417	my ($pl) = @_;	1692	my ($pl) = @_;
1418		1693
1419	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1420		1695
…		…
1423		1698
1424	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1425		1700
1426	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1427	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1428		1708
1429	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1430	cf::cede_to_tick;	1710	cf::cede_to_tick;
1431	}	1711	}
1432		1712
…		…
1464	my ($pl) = @_;	1744	my ($pl) = @_;
1465		1745
1466	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1467		1747
1468	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1469	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1470		1750
1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1472	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1473	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1474	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1475		1759
1476	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1477	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1478	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1516		1800
1517	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1518	my $path = path $login;	1802	my $path = path $login;
1519		1803
1520	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1521	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1524	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1525	}	1810	}
1526		1811
…		…
1530		1815
1531	\@logins	1816	\@logins
1532	}	1817	}
1533		1818
1534	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1535		1822
1536	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1537	player. May block.	1824	player. May block.
1538		1825
1539	=cut	1826	=cut
…		…
1557	}	1844	}
1558		1845
1559	\@paths	1846	\@paths
1560	}	1847	}
1561		1848
1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563		1850
1564	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1565
1566	=cut
1567
1568	use re 'eval';
1569
1570	my $group;
1571	my $interior; $interior = qr{
1572	# match a pod interior sequence sans C<< >>
1573	(?:
1574	\ (.*?)\ (?{ $group = $^N })
1575	| < (??{$interior}) >
1576	)
1577	}x;
1578
1579	sub expand_cfpod {
1580	my ($self, $pod) = @_;
1581
1582	my $xml;
1583
1584	while () {
1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586	$group = $1;
1587
1588	$group =~ s/&/&amp;/g;
1589	$group =~ s/</&lt;/g;
1590
1591	$xml .= $group;
1592	} elsif ($pod =~ m%\G
1593	([BCGHITU])
1594	<
1595	(?:
1596	([^<>]*) (?{ $group = $^N })
1597	| < $interior >
1598	)
1599	>
1600	%gcsx
1601	) {
1602	my ($code, $data) = ($1, $group);
1603
1604	if ($code eq "B") {
1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606	} elsif ($code eq "I") {
1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608	} elsif ($code eq "U") {
1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610	} elsif ($code eq "C") {
1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612	} elsif ($code eq "T") {
1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614	} elsif ($code eq "G") {
1615	my ($male, $female) = split /\|/, $data;
1616	$data = $self->gender ? $female : $male;
1617	$xml .= expand_cfpod ($self, $data);
1618	} elsif ($code eq "H") {
1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1621	"")
1622	[$self->{hintmode}];
1623	} else {
1624	$xml .= "error processing '$code($data)' directive";
1625	}
1626	} else {
1627	if ($pod =~ /\G(.+)/) {
1628	warn "parse error while expanding $pod (at $1)";
1629	}
1630	last;
1631	}
1632	}
1633
1634	for ($xml) {
1635	# create single paragraphs (very hackish)
1636	s/(?<=\S)\n(?=\w)/ /g;
1637
1638	# compress some whitespace
1639	s/\s+\n/\n/g; # ws line-ends
1640	s/\n\n+/\n/g; # double lines
1641	s/^\n+//; # beginning lines
1642	s/\n+$//; # ending lines
1643	}
1644
1645	$xml
1646	}
1647
1648	no re 'eval';
1649
1650	sub hintmode {
1651	$_[0]{hintmode} = $_[1] if @_ > 1;
1652	$_[0]{hintmode}
1653	}
1654		1852
1655	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1656		1854
1657	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1658		1856
…		…
1690		1888
1691	=cut	1889	=cut
1692		1890
1693	sub find_by_path($) {	1891	sub find_by_path($) {
1694	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1695		1895
1696	my ($match, $specificity);	1896	my ($match, $specificity);
1697		1897
1698	for my $region (list) {	1898	for my $region (list) {
1699	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1725	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1726	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1727		1927
1728	sub generate_random_map {	1928	sub generate_random_map {
1729	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1730	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1731	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1735	$rmp->{exit_on_final_map},
1736	$rmp->{xsize}, $rmp->{ysize},
1737	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1738	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1739	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1740	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1741	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1742	(cf::region::find $rmp->{region}), $rmp->{custom}
1743	)
1744	}	1934	}
1745		1935
1746	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1747		1937
1748	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1753		1943
1754	sub register {	1944	sub register {
1755	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1756	my $pkg = caller;	1946	my $pkg = caller;
1757		1947
1758	no strict;
1759	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1760		1949
1761	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1762	}	1951	}
1763		1952
1764	# also paths starting with '/'	1953	# also paths starting with '/'
1765	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1766		1955
1767	sub thawer_merge {	1956	sub thawer_merge {
1768	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1769		1958
1770	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1775	}	1964	}
1776		1965
1777	sub normalise {	1966	sub normalise {
1778	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1779		1968
1780	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1781		1970
1782	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1783		1972
1784	# map plan:	1973	# map plan:
1785	#	1974	#
…		…
1800	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1801	$path = "$base/$path";	1990	$path = "$base/$path";
1802	}	1991	}
1803		1992
1804	for ($path) {	1993	for ($path) {
1805	redo if s{//}{/};
1806	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1807	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1808	}	1996	}
1809		1997
1810	$path	1998	$path
…		…
1824	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1825	return $self;	2013	return $self;
1826	}	2014	}
1827	}	2015	}
1828		2016
1829	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1830	()	2018	()
1831	}	2019	}
1832		2020
		2021	# may re-bless or do other evil things
1833	sub init {	2022	sub init {
1834	my ($self) = @_;	2023	my ($self) = @_;
1835		2024
1836	$self	2025	$self
1837	}	2026	}
…		…
1856		2045
1857	# the temporary/swap location	2046	# the temporary/swap location
1858	sub save_path {	2047	sub save_path {
1859	my ($self) = @_;	2048	my ($self) = @_;
1860		2049
1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1863	}	2052	}
1864		2053
1865	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1866	sub uniq_path {	2055	sub uniq_path {
1867	my ($self) = @_;	2056	my ($self) = @_;
1868		2057
1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1871	}
1872
1873	# and all this just because we cannot iterate over
1874	# all maps in C++...
1875	sub change_all_map_light {
1876	my ($change) = @_;
1877
1878	$_->change_map_light ($change)
1879	for grep $_->outdoor, values %cf::MAP;
1880	}	2060	}
1881		2061
1882	sub decay_objects {	2062	sub decay_objects {
1883	my ($self) = @_;	2063	my ($self) = @_;
1884		2064
…		…
1911	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1912		2092
1913	1	2093	1
1914	}	2094	}
1915		2095
		2096	# used to laod the header of an original map
1916	sub load_header_orig {	2097	sub load_header_orig {
1917	my ($self) = @_;	2098	my ($self) = @_;
1918		2099
1919	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1920	}	2101	}
1921		2102
		2103	# used to laod the header of an instantiated map
1922	sub load_header_temp {	2104	sub load_header_temp {
1923	my ($self) = @_;	2105	my ($self) = @_;
1924		2106
1925	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1926	}	2108	}
1927		2109
		2110	# called after loading the header from an instantiated map
1928	sub prepare_temp {	2111	sub prepare_temp {
1929	my ($self) = @_;	2112	my ($self) = @_;
1930		2113
1931	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1932	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1933	# safety	2116	# safety
1934	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1935	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1936	}	2119	}
1937		2120
		2121	# called after loading the header from an original map
1938	sub prepare_orig {	2122	sub prepare_orig {
1939	my ($self) = @_;	2123	my ($self) = @_;
1940		2124
1941	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1942	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1966		2150
1967	sub find;	2151	sub find;
1968	sub find {	2152	sub find {
1969	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1970		2154
		2155	cf::cede_to_tick;
		2156
1971	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1972		2158
1973	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1975		2161
1976	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1977	my $guard1 = cf::lock_acquire "map_find:$path";
1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1979
1980	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1981	or return;	2164	or return;
1982		2165
1983	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1984		2167
…		…
1986	or return;	2169	or return;
1987		2170
1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1990	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1991	undef $guard1;	2175	undef $guard1;
1992	undef $guard2;
1993	$map->reset;	2176	$map->reset;
1994	return find $path;	2177	return find $path;
1995	}	2178	}
1996		2179
1997	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1998	}	2181	}
1999	}	2182	}
2000		2183
2001	sub pre_load { }	2184	sub pre_load { }
2002	sub post_load { }	2185	#sub post_load { } # XS
2003		2186
2004	sub load {	2187	sub load {
2005	my ($self) = @_;	2188	my ($self) = @_;
2006		2189
2007	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2010		2193
2011	{	2194	{
2012	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2013		2196
2014	return unless $self->valid;	2197	return unless $self->valid;
2015	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2016
2017	$self->in_memory (cf::MAP_LOADING);
2018		2199
2019	$self->alloc;	2200	$self->alloc;
2020		2201
2021	$self->pre_load;	2202	$self->pre_load;
2022	cf::cede_to_tick;	2203	cf::cede_to_tick;
2023		2204
		2205	if (exists $self->{load_path}) {
2024	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2025	$f->skip_block;	2207	$f->skip_block;
2026	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2027	or return;	2209	or return;
2028		2210
2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2030	if delete $self->{load_original};	2212	if delete $self->{load_original};
2031		2213
2032	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2033	utf8::encode $uniq;	2215	utf8::encode $uniq;
2034	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2035	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2036	$self->clear_unique_items;	2218	$self->clear_unique_items;
2037	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2038	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2039	}	2222	}
2040	}	2223	}
2041	}
2042		2224
2043	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
2044		2232
2045	cf::cede_to_tick;	2233	cf::cede_to_tick;
2046	# now do the right thing for maps	2234	# now do the right thing for maps
2047	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2048	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2052	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2053	$self->decay_objects;	2241	$self->decay_objects;
2054	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2055	$self->update_buttons;	2243	$self->update_buttons;
2056	cf::cede_to_tick;	2244	cf::cede_to_tick;
2057	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2058	cf::cede_to_tick;
2059	$self->activate;
2060	}	2246	}
2061		2247
2062	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2063	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2064
2065	$self->in_memory (cf::MAP_IN_MEMORY);
2066	}	2250	}
2067		2251
2068	$self->post_load;	2252	$self->post_load;
2069	}
2070		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
2071	sub customise_for {	2260	sub customise_for {
2072	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2073		2262
2074	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2075	if $self->per_player;	2264	if $self->per_player;
…		…
2078	# if $self->per_party;	2267	# if $self->per_party;
2079		2268
2080	$self	2269	$self
2081	}	2270	}
2082		2271
2083	# find and load all maps in the 3x3 area around a map
2084	sub load_neighbours {
2085	my ($map) = @_;
2086
2087	my @neigh; # diagonal neighbours
2088
2089	for (0 .. 3) {
2090	my $neigh = $map->tile_path ($_)
2091	or next;
2092	$neigh = find $neigh, $map
2093	or next;
2094	$neigh->load;
2095
2096	push @neigh,
2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2099	}
2100
2101	for (grep defined $_->[0], @neigh) {
2102	my ($path, $origin) = @$_;
2103	my $neigh = find $path, $origin
2104	or next;
2105	$neigh->load;
2106	}
2107	}
2108
2109	sub find_sync {	2272	sub find_sync {
2110	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2111		2274
2112	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2113	}	2280	}
2114		2281
2115	sub do_load_sync {	2282	sub do_load_sync {
2116	my ($map) = @_;	2283	my ($map) = @_;
2117		2284
		2285	# it's a bug to call this from the main context
2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2119	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2120		2288
2121	cf::sync_job { $map->load };	2289	$map->load;
2122	}	2290	}
2123		2291
2124	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2125	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2126		2294
2127	sub find_async {	2295	sub find_async {
2128	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2129		2297
2130	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2131		2299
2132	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2134	}	2302	}
2135		2303
2136	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2137		2305
2138	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2152	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2153		2321
2154	()	2322	()
2155	}	2323	}
2156		2324
		2325	# common code, used by both ->save and ->swapout
2157	sub save {	2326	sub _save {
2158	my ($self) = @_;	2327	my ($self) = @_;
2159
2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
2161		2328
2162	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2163		2330
2164	return unless $self->dirty;	2331	return unless $self->dirty;
2165		2332
…		…
2174		2341
2175	cf::async {	2342	cf::async {
2176	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2177	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2178	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2179		2348
2180	if ($uniq) {	2349	if ($uniq) {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2183	} else {	2352	} else {
2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2185	}	2354	}
2186	}	2355	}
2187		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2188	sub swap_out {	2365	sub swap_out {
2189	my ($self) = @_;	2366	my ($self) = @_;
2190		2367
2191	# save first because save cedes
2192	$self->save;
2193
2194	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2195		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2196	return if $self->players;	2372	return if $self->players;
2197	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2198	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2199		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2200	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2201		2424
2202	$self->deactivate;	2425	$self->deactivate;
2203	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2204	$self->clear;	2427	$self->clear;
2205	}
2206
2207	sub reset_at {
2208	my ($self) = @_;
2209
2210	# TODO: safety, remove and allow resettable per-player maps
2211	return 1e99 if $self->{deny_reset};
2212
2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2215
2216	$time + $to
2217	}
2218
2219	sub should_reset {
2220	my ($self) = @_;
2221
2222	$self->reset_at <= $cf::RUNTIME
2223	}
2224
2225	sub reset {
2226	my ($self) = @_;
2227
2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
2229
2230	return if $self->players;
2231
2232	warn "resetting map ", $self->path;
2233
2234	$self->in_memory (cf::MAP_SWAPPED);
2235
2236	# need to save uniques path
2237	unless ($self->{deny_save}) {
2238	my $uniq = $self->uniq_path; utf8::encode $uniq;
2239
2240	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2241	if $uniq;
2242	}
2243
2244	delete $cf::MAP{$self->path};
2245
2246	$self->deactivate;
2247	$_->clear_links_to ($self) for values %cf::MAP;
2248	$self->clear;
2249		2428
2250	$self->unlink_save;	2429	$self->unlink_save;
2251	$self->destroy;	2430	$self->destroy;
2252	}	2431	}
2253		2432
…		…
2261		2440
2262	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2263		2442
2264	$self->unlink_save;	2443	$self->unlink_save;
2265		2444
2266	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2267	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2268	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2269	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2271		2450
…		…
2320		2499
2321	sub unique_maps() {	2500	sub unique_maps() {
2322	[	2501	[
2323	map {	2502	map {
2324	utf8::decode $_;	2503	utf8::decode $_;
2325	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2326	? normalise $_	2507	: normalise $_
2327	: ()
2328	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2329	]	2509	]
2330	}	2510	}
2331		2511
2332	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2333		2543
2334	=back	2544	=back
2335		2545
2336	=head3 cf::object	2546	=head3 cf::object
2337		2547
…		…
2341		2551
2342	=over 4	2552	=over 4
2343		2553
2344	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2345		2555
2346	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2347		2558
2348	=cut	2559	=cut
2349		2560
2350	sub inv_recursive_;	2561	sub inv_recursive_;
2351	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2356	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2357	}	2568	}
2358		2569
2359	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2360		2571
2361	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2362		2573
2363	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2364		2575
2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2398	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2399	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2400		2611
2401	=cut	2612	=cut
2402		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2403	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2404	# with dialog boxes.	2629	# with dialog boxes.
2405	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2406	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2407	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2418	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420		2645
2421	} else {	2646	} else {
2422	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2423	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424	}	2649	}
2425	}	2650	}
2426	}	2651	}
2427		2652
2428	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2453		2678
2454	=item $player_object->enter_link	2679	=item $player_object->enter_link
2455		2680
2456	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2457		2682
2458	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2459	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2460		2687
2461	Will never block.	2688	Will never block.
2462		2689
2463	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2464		2691
…		…
2484	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2485	my ($self) = @_;	2712	my ($self) = @_;
2486		2713
2487	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2488		2715
		2716	++$self->{_link_recursion};
		2717
2489	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2490		2719
2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2492	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2493		2722
2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2495	}	2724	}
2496		2725
2497	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2498	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2499		2728
…		…
2516	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2517	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2518		2747
2519	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2520	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2521	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2522		2751
2523	$map->load;	2752	$map->load;
2524	$map->load_neighbours;
2525		2753
2526	return unless $self->contr->active;	2754	return unless $self->contr->active;
2527	$self->activate_recursive;
2528		2755
2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2531	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2532		2763
		2764	}
		2765
2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2534		2767
2535	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2536	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2537	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2538	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2539	be called at the end of this process.	2772	be called at the end of this process.
2540		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2541	=cut	2777	=cut
2542		2778
2543	our $GOTOGEN;	2779	our $GOTOGEN;
2544		2780
2545	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2546	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2547		2789
2548	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2550		2792
2551	$self->enter_link;	2793	$self->enter_link;
…		…
2571	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2572	}	2814	}
2573	}	2815	}
2574		2816
2575	my $map = eval {	2817	my $map = eval {
2576	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2577		2819
2578	if ($map) {	2820	if ($map) {
2579	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2580	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2581	} else {	2823	} else {
2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2583	}	2825	}
2584		2826
2585	$map	2827	$map
…		…
2593	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2594	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2595	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2596	}	2838	}
2597		2839
2598	$done->() if $done;	2840	$done->($self) if $done;
2599	})->prio (1);	2841	})->prio (1);
2600	}	2842	}
2601		2843
2602	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2603		2845
…		…
2623	}	2865	}
2624		2866
2625	sub prepare_random_map {	2867	sub prepare_random_map {
2626	my ($exit) = @_;	2868	my ($exit) = @_;
2627		2869
2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2631	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2632	# that depends on the exit object	2872	# that depends on the exit object
2633		2873
2634	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2636	if ($exit->map) {	2876	if ($exit->map) {
2637	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2638	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2639	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2640	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2641	}	2883	}
2642		2884
2643	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2644		2886
2645	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2647	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2648		2890
2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2651	undef $fh;	2893	undef $fh;
2652	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2653		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2654	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2655	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2656	}	2902	}
2657	}	2903	}
2658		2904
2659	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2660	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2661		2907
2662	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2663		2909
2664	if ($exit->slaying eq "/!") {
2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
2666	# the problem is that $exit might not survive long enough
2667	# so it needs to be done right now, right here
2668	cf::sync_job { prepare_random_map $exit };
2669	}
2670
2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2672	my $hp = $exit->stats->hp;
2673	my $sp = $exit->stats->sp;
2674
2675	$self->enter_link;	2910	$self->enter_link;
2676		2911
2677	# if exit is damned, update players death & WoR home-position
2678	$self->contr->savebed ($slaying, $hp, $sp)
2679	if $exit->flag (FLAG_DAMNED);
2680
2681	(async {	2912	(async {
2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2683		2914
2684	$self->deactivate_recursive; # just to be sure
2685	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2686	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2687		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2688	1;	2951	1
2689	}) {	2952	}) {
2690	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2691	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2692	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2693	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2694		2957
2695	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2696	$self->leave_link;	2959	$self->leave_link;
2697	}	2960	}
2698	})->prio (1);	2961	})->prio (1);
2699	}	2962	}
2700		2963
…		…
2712	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2713	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2714		2977
2715	utf8::encode $text;	2978	utf8::encode $text;
2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2717	}	3005	}
2718		3006
2719	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2720		3008
2721	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2725		3013
2726	=cut	3014	=cut
2727		3015
2728	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2729	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2730	"c/identify" => {	3024	"c/identify" => {
2731	id => "infobox",	3025	id => "infobox",
2732	title => "Identify",	3026	title => "Identify",
2733	reply => undef,	3027	reply => undef,
2734	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2736	"c/examine" => {	3030	"c/examine" => {
2737	id => "infobox",	3031	id => "infobox",
2738	title => "Examine",	3032	title => "Examine",
2739	reply => undef,	3033	reply => undef,
2740	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
2741	},	3041	},
2742	"c/book" => {	3042	"c/book" => {
2743	id => "infobox",	3043	id => "infobox",
2744	title => "Book",	3044	title => "Book",
2745	reply => undef,	3045	reply => undef,
…		…
2761	id => "infobox",	3061	id => "infobox",
2762	title => "Body Parts",	3062	title => "Body Parts",
2763	reply => undef,	3063	reply => undef,
2764	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2765	},	3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
2766	"c/uptime" => {	3102	"c/uptime" => {
2767	id => "infobox",	3103	id => "infobox",
2768	title => "Uptime",	3104	title => "Uptime",
2769	reply => undef,	3105	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	3109	id => "infobox",
2774	title => "Map Info",	3110	title => "Map Info",
2775	reply => undef,	3111	reply => undef,
2776	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2777	},	3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2778	);	3128	);
2779		3129
2780	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2782		3132
2783	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2784		3135
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		3137
2787	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2789	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2790		3141
2791	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2792	if $self->can_msg;
2793
2794	$channel = $channel->{id};	3143	$channel = $channel->{id};
2795		3144
2796	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2797	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2798	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2799	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2800	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2801	if $self->can_msg;
2802	}	3150	}
2803		3151
2804	$channel = $channel->{id};	3152	$channel = $channel->{id};
2805	}	3153	}
2806		3154
2807	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2808		3156
2809	if ($self->can_msg) {
2810	# default colour, mask it out	3157	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2813		3160
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816	} else {	3164	);
2817	if ($color >= 0) {
2818	# replace some tags by gcfclient-compatible ones
2819	for ($msg) {
2820	1 while
2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2826	}
2827		3165
2828	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2829
2830	utf8::encode $msg;
2831
2832	if (0 && $msg =~ /\[/) {
2833	# COMMAND/INFO
2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
2835	} else {
2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2837	$self->send_packet ("drawinfo $color $msg")
2838	}
2839	}
2840	}
2841	}	3167	}
2842		3168
2843	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2844		3170
2845	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2848		3174
2849	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2850	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2851		3177
2852	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2854	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2855	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857	}	3183	}
2858	}	3184	}
2859		3185
2860	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2861		3187
…		…
2865		3191
2866	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2867	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2868		3194
2869	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2871	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2872	#TODO: version 1, remove	3198	#TODO: version 1, remove
2873	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2875	}	3201	}
2876	}	3202	}
2877		3203
2878	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2879		3205
…		…
2950		3276
2951	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2952	if $reply;	3278	if $reply;
2953		3279
2954	} else {	3280	} else {
2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2956	}	3282	}
2957		3283
2958	cf::override;	3284	cf::override;
2959	},	3285	},
2960	);	3286	);
…		…
2980		3306
2981	$coro	3307	$coro
2982	}	3308	}
2983		3309
2984	cf::client->attach (	3310	cf::client->attach (
2985	on_destroy => sub {	3311	on_client_destroy => sub {
2986	my ($ns) = @_;	3312	my ($ns) = @_;
2987		3313
2988	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2989	},	3315	},
2990	);	3316	);
…		…
3006	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3007		3333
3008	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3009		3335
3010	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3011	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3012	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3013	sort time	3339	sort time
3014	));	3340	));
3015		3341
3016	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3019		3345
3020	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3021		3347
3022	cf::object	3348	cf::object
3023	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3024	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3025		3352
3026	cf::object::player	3353	cf::object::player
3027	player	3354	player
3028		3355
3029	cf::player	3356	cf::player
…		…
3034		3361
3035	=cut	3362	=cut
3036		3363
3037	for (	3364	for (
3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3041	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3043	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3044	) {	3371	) {
3045	no strict 'refs';
3046	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3047	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3048	for @funs;	3374	for @funs;
3049	}	3375	}
3050		3376
…		…
3065		3391
3066	my $qcode = $code;	3392	my $qcode = $code;
3067	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3068	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3069		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3070	local $_;	3399	local $_;
3071	local @safe::cf::_safe_eval_args = values %vars;
3072		3400
3073	my $eval =	3401	my $eval =
3074	"do {\n"	3402	"do {\n"
3075	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3076	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3077	. $code	3405	. $code
3078	. "\n}"	3406	. "\n}"
3079	;	3407	;
3080		3408
		3409	if ($CFG{safe_eval}) {
3081	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3082	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3083	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3084		3418
3085	if ($@) {	3419	if ($@) {
3086	warn "$@";	3420	warn "$@",
3087	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3088	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3089	}	3423	}
3090		3424
3091	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3092	}	3426	}
3093		3427
…		…
3107	=cut	3441	=cut
3108		3442
3109	sub register_script_function {	3443	sub register_script_function {
3110	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3111		3445
3112	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3113	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3114	}	3448	}
3115		3449
3116	=back	3450	=back
3117		3451
3118	=cut	3452	=cut
…		…
3127	# for this (global event?)	3461	# for this (global event?)
3128	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3129		3463
3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3131		3465
3132	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3133		3467
3134	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3135	0 < aio_load $path, $facedata
3136	or die "$path: $!";
3137
3138	$facedata = Coro::Storable::thaw $facedata;
3139		3469
3140	$facedata->{version} == 2	3470	$facedata->{version} == 2
3141	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3142		3472
3143	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3144	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3145	type => FT_RSRC,	3476	type => FT_RSRC,
3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3147	};	3479	};
3148	cf::cede_to_tick;	3480	cf::cede_to_tick;
3149		3481
3150	{	3482	{
3151	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
…		…
3153	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3155		3487
3156	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3157	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3160		3493
3161	cf::cede_to_tick;	3494	cf::cede_to_tick;
3162	}	3495	}
3163		3496
3164	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
…		…
3169		3502
3170	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3171	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3173	} else {	3506	} else {
3174	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3175	}	3508	}
3176		3509
3177	cf::cede_to_tick;	3510	cf::cede_to_tick;
3178	}	3511	}
3179	}	3512	}
…		…
3188		3521
3189	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3190	}	3523	}
3191		3524
3192	{	3525	{
3193	# TODO: for gcfclient pleasure, we should give resources
3194	# that gcfclient doesn't grok a >10000 face index.
3195	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3196		3527
3197	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
3198	if (defined $info->{type}) {	3529	if (defined $info->{type}) {
3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3200	my $data;
3201		3531
3202	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3203	# prepend meta info
3204
3205	my $meta = $enc->encode ({
3206	name => $name,
3207	%{ $info->{meta} || {} },
3208	});
3209
3210	$data = pack "(w/a*)*", $meta, $info->{data};
3211	} else {
3212	$data = $info->{data};
3213	}
3214
3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3216	cf::face::set_type $idx, $info->{type};	3533	cf::face::set_type $idx, $info->{type};
3217	} else {	3534	} else {
3218	$RESOURCE{$name} = $info;	3535	$RESOURCE{$name} = $info; # unused
3219	}	3536	}
3220		3537
3221	cf::cede_to_tick;	3538	cf::cede_to_tick;
3222	}	3539	}
3223
3224	if (my $soundconf = delete $res->{"res/sound.conf"}) {
3225	$soundconf = $enc->decode (delete $soundconf->{data});
3226
3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3228	my $sound = $soundconf->{compat}[$_]
3229	or next;
3230
3231	my $face = cf::face::find "sound/$sound->[1]";
3232	cf::sound::set $sound->[0] => $face;
3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3234	}
3235
3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
3237	my $face = cf::face::find "sound/$v";
3238	cf::sound::set $k => $face;
3239	}
3240	}
3241	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3242		3543
3243	1	3544	1
3244	}	3545	}
3245		3546
3246	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3248		3549
3249	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3250	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3251	}	3552	}
3252	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3253		3564
3254	sub reload_regions {	3565	sub reload_regions {
3255	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3256	# for this (global event?)	3567	# for this (global event?)
3257	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3271	}	3582	}
3272		3583
3273	sub reload_archetypes {	3584	sub reload_archetypes {
3274	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3275	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3276	#d# NEED to laod twice to resolve forward references
3277	# this really needs to be done in an extra post-pass
3278	# (which needs to be synchronous, so solve it differently)
3279	load_resource_file "$DATADIR/archetypes"
3280	or die "unable to load archetypes\n";
3281	}	3587	}
3282		3588
3283	sub reload_treasures {	3589	sub reload_treasures {
3284	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3285	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3286	}	3592	}
3287		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3288	sub reload_resources {	3614	sub reload_resources {
3289	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3290		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3291	reload_regions;	3622	reload_regions;
3292	reload_facedata;
3293	#reload_archetypes;#d#
3294	reload_archetypes;
3295	reload_treasures;	3623	reload_treasures;
3296		3624
3297	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3298	}
3299
3300	sub init {
3301	reload_resources;
3302	}	3626	}
3303		3627
3304	sub reload_config {	3628	sub reload_config {
3305	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3306	or return;
3307		3630
3308	local $/;	3631	my $config = load_file "$CONFDIR/config";
3309	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3310		3634
3311	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3312		3636
3313	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3314	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3315		3639
3316	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3320	};	3644	};
3321	warn $@ if $@;	3645	warn $@ if $@;
3322	}	3646	}
3323	}	3647	}
3324		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3325	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3326	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3327	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3329	(async {	3690	(async {
3330	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3331	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3332	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3333	};	3694	};
3334		3695
		3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
3335	reload_config;	3708	reload_config;
3336	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3337	load_extensions;	3719	load_extensions;
3338		3720
3339	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3722
3341	EV::loop;	3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3342	}	3739	}
3343		3740
3344	#############################################################################	3741	#############################################################################
3345	# initialisation and cleanup	3742	# initialisation and cleanup
3346		3743
3347	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3348	BEGIN {	3745	BEGIN {
3349	our %SIGWATCHER = ();	3746	our %SIGWATCHER = ();
3350	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3352	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3353	};	3750	};
3354	}	3751	}
3355	}	3752	}
3356		3753
3357	sub write_runtime {	3754	sub write_runtime_sync {
3358	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3359		3756
3360	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3361	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3362		3759
3363	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3364		3761
3365	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3366		3763
3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3368	or return;	3765	or return;
3369		3766
3370	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3371	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3372	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3382	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3383		3780
3384	close $fh	3781	close $fh
3385	or return;	3782	or return;
3386		3783
3387	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3388	and return;	3785	and return;
3389		3786
3390	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3391		3788
3392	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3393	}	3840	}
3394		3841
3395	sub emergency_save() {	3842	sub emergency_save() {
3396	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3397		3844
3398	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3399		3851
3400	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3401	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3402	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3403	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3404	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3405	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3406	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3407	$pl->valid or next;	3861	$pl->valid or next;
3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3409	$pl->save;	3863	$pl->save;
3410	}	3864	}
3411	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3412		3866
3413	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3414	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3415	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3416	$map->valid or next;	3872	$map->valid or next;
3417	$map->save;	3873	$map->save;
3418	}	3874	}
3419	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3420		3876
3421	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3422	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3423	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3424	};	3905	};
3425		3906
3426	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3427	}	3908	}
3428		3909
3429	sub post_cleanup {	3910	sub post_cleanup {
3430	my ($make_core) = @_;	3911	my ($make_core) = @_;
3431		3912
		3913	IO::AIO::flush;
		3914
3432	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3433	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3434	}	3945	}
3435		3946
3436	sub do_reload_perl() {	3947	sub do_reload_perl() {
3437	# can/must only be called in main	3948	# can/must only be called in main
3438	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3439	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3440	return;	3951	return;
3441	}	3952	}
3442		3953
3443	warn "reloading...";	3954	return if $RELOAD++;
3444		3955
3445	warn "entering sync_job";	3956	my $t1 = AE::time;
3446		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3447	cf::sync_job {	3964	cf::sync_job {
3448	cf::write_runtime; # external watchdog should not bark
3449	cf::emergency_save;	3965	#cf::emergency_save;
3450	cf::write_runtime; # external watchdog should not bark
3451		3966
3452	warn "syncing database to disk";
3453	BDB::db_env_txn_checkpoint $DB_ENV;
3454
3455	# if anything goes wrong in here, we should simply crash as we already saved
3456
3457	warn "flushing outstanding aio requests";
3458	for (;;) {
3459	BDB::flush;
3460	IO::AIO::flush;
3461	Coro::cede_notself;
3462	last unless IO::AIO::nreqs || BDB::nreqs;
3463	warn "iterate...";
3464	}
3465
3466	++$RELOAD;
3467
3468	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3469	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3470	%EXT_CORO = ();	3969	%EXT_CORO = ();
3471		3970
3472	warn "removing commands";	3971	trace "perl_reload: removing commands";
3473	%COMMAND = ();	3972	%COMMAND = ();
3474		3973
3475	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3476	%EXTCMD = ();	3975	%EXTCMD = ();
3477	%EXTICMD = ();	3976	%EXTICMD = ();
3478		3977
3479	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3480	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3481	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3482		3981
3483	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3484	eval {	3983	eval {
3485	$cb->($pkg);	3984	$cb->($pkg);
3486	1	3985	1
3487	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3488	}	3991	}
3489		3992
3490	warn "... nuking $pkg";
3491	Symbol::delete_package $pkg;
3492	}
3493
3494	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3495	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3496	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3497		3996
3498	warn "... unloading $k";	3997	trace "... unloading $k";
3499	delete $INC{$k};	3998	delete $INC{$k};
3500		3999
3501	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3502	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3503		4002
3504	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3505	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3506	}	4008	}
3507		4009
3508	Symbol::delete_package $k;
3509	}
3510
3511	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3512	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3513	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3514		4013
3515	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3516	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3517	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3518		4017
3519	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3520	# and global variables created in xs	4019	# and global variables created in xs
3521	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3522		4021
3523	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3524		4023
3525	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3526	require cf;	4025	require cf;
3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3528		4027
3529	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3530	cf::reload_config;	4029	cf::reload_config;
3531		4030
3532	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3533	cf::load_extensions;	4032	cf::load_extensions;
3534		4033
		4034	if ($REATTACH_ON_RELOAD) {
3535	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3536	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3537	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3538	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3539	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3540	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3541		4042
3542	warn "leaving sync_job";	4043	cf::_post_init 1;
3543		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3544	1	4047	1
3545	} or do {	4048	} or do {
3546	warn $@;	4049	error $@;
3547	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3548	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3549	};	4054	}
3550		4055
3551	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3552	};	4058	};
3553		4059
3554	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3555		4061
3556	sub reload_perl() {	4062	sub reload_perl() {
3557	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3558	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3559		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
3561	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3562	do_reload_perl;	4072	};
3563	};	4073	};
3564	}	4074	}
3565		4075
3566	register_command "reload" => sub {	4076	register_command "reload" => sub {
3567	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
…		…
3573	reload_perl;	4083	reload_perl;
3574	};	4084	};
3575	}	4085	}
3576	};	4086	};
3577		4087
3578	unshift @INC, $LIBDIR;	4088	#############################################################################
3579		4089
3580	my $bug_warning = 0;	4090	my $bug_warning = 0;
3581		4091
3582	our @WAIT_FOR_TICK;
3583	our @WAIT_FOR_TICK_BEGIN;
3584
3585	sub wait_for_tick {	4092	sub wait_for_tick() {
3586	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3587	return if $Coro::current == $Coro::main;
3588		4094
3589	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3590	push @WAIT_FOR_TICK, $signal;
3591	$signal->wait;
3592	}	4096	}
3593		4097
3594	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3595	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3596	return if $Coro::current == $Coro::main;
3597		4100
3598	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3600	$signal->wait;	4103	$signal->wait;
3601	}	4104	}
3602		4105
3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4106	sub tick {
3604	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3607	return;	4110	return;
3608	}	4111	}
3609		4112
3610	$NOW = $tick_start = EV::now;	4113	cf::one_tick; # one server iteration
3611		4114
3612	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3613
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK = $_[0]->at;
3616		4116
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4119	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4121	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3623	};	4123	};
3624	}	4124	}
3625		4125
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4127	$sig->send;
3628	}	4128	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3630	$sig->send;
3631	}
3632		4130
3633	$LOAD = ($NOW - $tick_start) / $TICK;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3635		4133
3636	_post_tick;	4134	if (0) {
3637	};	4135	if ($NEXT_TICK) {
3638	$TICK_WATCHER->priority (EV::MAXPRI);	4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
		4140	}
		4141	}
3639		4142
3640	{	4143	{
3641	# configure BDB	4144	# configure BDB
3642		4145
3643	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3644	BDB::max_poll_reqs $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3645	$Coro::BDB::WATCHER->priority (1);	4148	$AnyEvent::BDB::WATCHER->priority (1);
3646		4149
3647	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3648	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3650	| BDB::LOG_AUTOREMOVE, 1);	4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3653		4157
3654	cf::sync_job {	4158	cf::sync_job {
3655	eval {	4159	eval {
…		…
3681	{	4185	{
3682	# configure IO::AIO	4186	# configure IO::AIO
3683		4187
3684	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3685	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3686	$Coro::AIO::WATCHER->priority (1);	4190	undef $AnyEvent::AIO::WATCHER;
3687	}	4191	}
3688		4192
3689	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3690		4195
3691	sub _log_backtrace {	4196	sub _log_backtrace {
3692	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3693		4198
3694	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3695		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3696	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3697	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3698	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3699	async {	4209	async {
3700	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3701		4211
3702	my @bt = fork_call {	4212	my @bt = fork_call {
3703	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3714	}	4224	}
3715		4225
3716	@funcs	4226	@funcs
3717	};	4227	};
3718		4228
3719	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3720	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3721	--$_log_backtrace;	4232	--$_log_backtrace;
3722	};	4233	};
3723	} else {	4234	} else {
3724	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3725	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3726	}	4237	}
3727	}	4238	}
3728		4239
3729	# load additional modules	4240	# load additional modules
3730	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3731		4243
3732	END { cf::emergency_save }	4244	END { cf::emergency_save }
3733		4245
3734	1	4246	1
3735		4247

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