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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.375 by root, Sun Sep 30 20:22:21 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
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 $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		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
98		143
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 $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
162		240
163	The raw value load value from the last tick.	241	The raw value load value from the last tick.
164		242
165	=item %cf::CFG	243	=item %cf::CFG
166		244
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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	$Event::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::from_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::to_json $ref	395	=item $json = cf::encode_json $ref
258		396
259	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
260		398
261	=cut	399	=cut
262		400
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 to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
267		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;	509	}
336	};	510
337	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
338	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
339	}	524	}
340		525
341	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
342		527
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$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.
346		535
347	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
348	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
349		538
350	Useful for short background jobs.	539	Useful for short background jobs.
351		540
352	=cut	541	=cut
353		542
354	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
356		546
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
360		550
361	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
362		553
363	while () {	554	while () {
364	next_job:	555	next_job:
		556
365	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	558
367	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	563	$job->[2]->send;
371	Coro::cede;	564	Coro::cede;
372	goto next_job;	565	goto next_job;
373	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	568	}
375	}	569	}
376		570
377	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	574	} else {
		575	$busy = 0;
382	Coro::schedule;	576	Coro::schedule;
383	}	577	}
384	}	578	}
385	};	579	};
386		580
387	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
388	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
389		585
390	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
391	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
392		589
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
406		603
407	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
408		605
409	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
410		607
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	611	acceptable.
415		612
416	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	618	=cut
422		619
423	sub sync_job(&) {	620	sub sync_job(&) {
424	my ($job) = @_;	621	my ($job) = @_;
425		622
426	if ($Coro::current == $Coro::main) {	623	if (in_main) {
427	my $time = Event::time;	624	my $time = AE::time;
428		625
429	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
431		628
432	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	630
434	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
435		632
436	my $busy = 1;	633	my $busy = 1;
437	my @res;	634	my @res;
438		635
439	(async {	636	(async {
440	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
441	@res = eval { $job->() };	638	@res = eval { $job->() };
442	warn $@ if $@;	639	error $@ if $@;
443	undef $busy;	640	undef $busy;
444	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
445		642
446	while ($busy) {	643	while ($busy) {
447	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
448	}	648	}
		649	}
449		650
450	$time = Event::time - $time;	651	my $time = AE::time - $time;
451		652
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
456		654
457	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
458	} else {	656	} else {
459	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
460		658
…		…
480	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
481		679
482	$coro	680	$coro
483	}	681	}
484		682
485	=item fork_call { }, $args	683	=item fork_call { }, @args
486		684
487	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
488	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
489	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
490	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
491		689
492	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
493		695
494	sub fork_call(&@) {	696	sub fork_call(&@) {
495	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
496		698
497	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
498	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
499	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
500		702
501	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
502	reset_signals;	704	cf::post_fork;
503	&$cb	705	&$cb
504	}, @args;	706	} @args;
505		707
506	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
507	}	747	}
508		748
509	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
510		750
511	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
521	within each server.	761	within each server.
522		762
523	=cut	763	=cut
524		764
525	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
526	my ($name) = @_;	769	my ($name) = @_;
527	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
528		771
529	eval {	772	eval {
530	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
540	}	783	}
541		784
542	our $DB;	785	our $DB;
543		786
544	sub db_init {	787	sub db_init {
545	cf::sync_job {
546	$DB ||= db_table "db";	788	$DB ||= db_table "db";
547	};
548	}	789	}
549		790
550	sub db_get($$) {	791	sub db_get($$) {
551	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
552		793
553	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
554	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
555		798
556	$! ? ()	799	$! ? ()
557	: $data	800	: $data
558	}
559	}	801	}
560		802
561	sub db_put($$$) {	803	sub db_put($$$) {
562	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
591		833
592	my @data;	834	my @data;
593	my $md5;	835	my $md5;
594		836
595	for (0 .. $#$src) {	837	for (0 .. $#$src) {
596	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
597	or Carp::croak "$src->[$_]: $!";
598	}	839	}
599		840
600	# if processing is expensive, check	841	# if processing is expensive, check
601	# checksum first	842	# checksum first
602	if (1) {	843	if (1) {
…		…
619		860
620	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
621	my $data = $process->(\@data);	862	my $data = $process->(\@data);
622	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
623		864
624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
625		866
626	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
627	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
628	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
629		870
…		…
639		880
640	=cut	881	=cut
641		882
642	sub datalog($@) {	883	sub datalog($@) {
643	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
645	}	886	}
646		887
647	=back	888	=back
648		889
649	=cut	890	=cut
650		891
651	#############################################################################	892	#############################################################################
652		893
653	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
654		895
655	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
656	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")
657	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
658		899
659	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>
660	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
661	Crossfire TRT).	902	Deliantra).
662		903
663	=over 4	904	=over 4
664		905
665	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
666		907
…		…
710	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
711		952
712	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
713	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
714		955
715	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
716	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.
717		958
718	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
719		960
720	=over 4	961	=over 4
…		…
844		1085
845	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
846	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
847		1088
848	} elsif (ref $type) {	1089	} elsif (ref $type) {
849	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
850		1091
851	} else {	1092	} else {
852	shift @arg;	1093	shift @arg;
853	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
854	}	1095	}
855	}	1096	}
856	}	1097	}
857		1098
858	sub _object_attach {	1099	sub _object_attach {
…		…
868	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
869	}	1110	}
870		1111
871	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
872	} else {	1113	} else {
873	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
874	}	1115	}
875		1116
876	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
877	}	1118	}
878		1119
…		…
937		1178
938	for (@$callbacks) {	1179	for (@$callbacks) {
939	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
940		1181
941	if ($@) {	1182	if ($@) {
942	warn "$@";
943	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
944	override;	1184	override;
945	}	1185	}
946		1186
947	return 1 if $override;	1187	return 1 if $override;
948	}	1188	}
949		1189
950	0	1190	0
951	}	1191	}
952		1192
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1194
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1196
957	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
958		1198
…		…
964		1204
965	=cut	1205	=cut
966		1206
967	#############################################################################	1207	#############################################################################
968	# object support	1208	# object support
969	#
970		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
971	sub _can_merge {	1243	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
973		1245
974	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1247
978	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
979	}	1250	}
980		1251
981	sub reattach {	1252	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1254	my ($obj) = @_;
984		1255
		1256	# no longer needed after getting rid of delete_package?
985	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
986		1258
987	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
988		1260
989	@$registry = ();	1261	@$registry = ();
990		1262
…		…
995	for (@$attach) {	1267	for (@$attach) {
996	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
997	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
998	}	1270	}
999	} else {	1271	} else {
1000	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1001	}	1273	}
1002	}	1274	}
1003	}	1275	}
1004		1276
1005	cf::attachable->attach (	1277	cf::attachable->attach (
1006	prio => -1000000,	1278	prio => -1000000,
1007	on_instantiate => sub {	1279	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1009		1281
1010	$data = from_json $data;	1282	$data = decode_json $data;
1011		1283
1012	for (@$data) {	1284	for (@$data) {
1013	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1014		1286
1015	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1032	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1033		1305
1034	sync_job {	1306	sync_job {
1035	if (length $$rdata) {	1307	if (length $$rdata) {
1036	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1039		1312
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	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	}
1044	close $fh;	1320	aio_close $fh;
1045		1321
1046	if (@$objs) {	1322	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1051	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	}
1052	close $fh;	1331	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1333	}
1055	} else {	1334	} else {
1056	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1057	}	1336	}
1058		1337
1059	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1342	} else {
1061	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1062	}	1344	}
1063	} else {	1345	} else {
1064	aio_unlink $filename;	1346	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1066	}	1348	}
…		…
1085		1367
1086	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1370	or return;
1089		1371
1090	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1091	}	1374	}
1092		1375
1093	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1096		1380
1097	($data, $av)	1381	($data, $av)
1098	}	1382	}
1099		1383
1100	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1156	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1157		1441
1158	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1159	}	1443	}
1160		1444
		1445	use File::Glob ();
		1446
1161	cf::player->attach (	1447	cf::player->attach (
1162	on_command => sub {	1448	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1164		1450
1165	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1166	or return;	1452	or return;
1167		1453
…		…
1190		1476
1191	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1192	if $reply;	1478	if $reply;
1193		1479
1194	} else {	1480	} else {
1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1196	}	1482	}
1197		1483
1198	cf::override;	1484	cf::override;
1199	},	1485	},
1200	);	1486	);
1201		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
1202	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1203	cf::sync_job {	1504	cf::sync_job {
1204	my %todo;	1505	my %todo;
1205		1506
1206	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1207	next unless -r $path;	1508	next unless -r $path;
…		…
1225		1526
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1529
1229	$ext{source} =	1530	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1231	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1232	. $source	1533	. $source
1233	. "\n};\n1";	1534	. "\n};\n1";
1234		1535
1235	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1236	}	1537	}
1237		1538
		1539	my $pass = 0;
1238	my %done;	1540	my %done;
1239	while (%todo) {	1541	while (%todo) {
1240	my $progress;	1542	my $progress;
1241		1543
		1544	++$pass;
		1545
		1546	ext:
1242	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1243	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1244	goto skip	1549	next ext
1245	unless exists $done{$_};	1550	unless exists $done{$_};
1246	}	1551	}
1247		1552
1248	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1249		1554
1250	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1251	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1252	: "$v->{base}: extension inactive.\n";
1253		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1254	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1255	warn $msg;	1562
1256	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1257	exit 1;	1564	delete $todo{$k};
1258	}	1565	} else {
1259		1566	$done{$k} = delete $todo{$k};
1260	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1261	}	1572	}
1262
1263	$done{$k} = delete $todo{$k};
1264	push @EXTS, $v->{pkg};
1265	$progress = 1;
1266	}	1573	}
1267		1574
1268	skip:	1575	unless ($progress) {
1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1270	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1271	}	1585	}
1272	};	1586	};
1273	}	1587	}
1274		1588
1275	#############################################################################	1589	#############################################################################
1276		1590
1277	=back	1591	=back
1278		1592
1279	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1280		1594
1281	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1282		1596
1283	=cut	1597	=cut
1284		1598
1285	package cf::player;	1599	package cf::player;
1286		1600
…		…
1329		1643
1330	sub exists($) {	1644	sub exists($) {
1331	my ($login) = @_;	1645	my ($login) = @_;
1332		1646
1333	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1335	}	1649	}
1336		1650
1337	sub find($) {	1651	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1653	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1666	or return;
1353		1667
1354	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1355	or return;	1669	or return;
		1670
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1359	}	1674	}
1360	}	1675	}
1361	}	1676	}
1362		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($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
1363	sub save($) {	1691	sub save($) {
1364	my ($pl) = @_;	1692	my ($pl) = @_;
1365		1693
1366	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1367		1695
…		…
1370		1698
1371	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1372		1700
1373	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1374	$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];
1375		1708
1376	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1710	cf::cede_to_tick;
1378	}	1711	}
1379		1712
…		…
1411	my ($pl) = @_;	1744	my ($pl) = @_;
1412		1745
1413	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1414		1747
1415	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1416	$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
1417		1750
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1419	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1421	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1422		1759
1423	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1425	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1463		1800
1464	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1465	my $path = path $login;	1802	my $path = path $login;
1466		1803
1467	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1810	}
1473		1811
…		…
1477		1815
1478	\@logins	1816	\@logins
1479	}	1817	}
1480		1818
1481	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1482		1822
1483	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1484	player. May block.	1824	player. May block.
1485		1825
1486	=cut	1826	=cut
…		…
1504	}	1844	}
1505		1845
1506	\@paths	1846	\@paths
1507	}	1847	}
1508		1848
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1850
1511	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1852
1560	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1561		1854
1562	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1563		1856
…		…
1595		1888
1596	=cut	1889	=cut
1597		1890
1598	sub find_by_path($) {	1891	sub find_by_path($) {
1599	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1600		1895
1601	my ($match, $specificity);	1896	my ($match, $specificity);
1602		1897
1603	for my $region (list) {	1898	for my $region (list) {
1604	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1630	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1632		1927
1633	sub generate_random_map {	1928	sub generate_random_map {
1634	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1635	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1636	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1640	$rmp->{exit_on_final_map},
1641	$rmp->{xsize}, $rmp->{ysize},
1642	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1643	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1644	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1645	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1648	)
1649	}	1934	}
1650		1935
1651	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1652		1937
1653	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
…		…
1658		1943
1659	sub register {	1944	sub register {
1660	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1661	my $pkg = caller;	1946	my $pkg = caller;
1662		1947
1663	no strict;
1664	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1665		1949
1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1667	}	1951	}
1668		1952
1669	# also paths starting with '/'	1953	# also paths starting with '/'
1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1671		1955
1672	sub thawer_merge {	1956	sub thawer_merge {
1673	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1674		1958
1675	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1680	}	1964	}
1681		1965
1682	sub normalise {	1966	sub normalise {
1683	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1684		1968
1685	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1686		1970
1687	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1688		1972
1689	# map plan:	1973	# map plan:
1690	#	1974	#
…		…
1705	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1706	$path = "$base/$path";	1990	$path = "$base/$path";
1707	}	1991	}
1708		1992
1709	for ($path) {	1993	for ($path) {
1710	redo if s{//}{/};
1711	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1712	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1713	}	1996	}
1714		1997
1715	$path	1998	$path
…		…
1729	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1730	return $self;	2013	return $self;
1731	}	2014	}
1732	}	2015	}
1733		2016
1734	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1735	()	2018	()
1736	}	2019	}
1737		2020
		2021	# may re-bless or do other evil things
1738	sub init {	2022	sub init {
1739	my ($self) = @_;	2023	my ($self) = @_;
1740		2024
1741	$self	2025	$self
1742	}	2026	}
…		…
1761		2045
1762	# the temporary/swap location	2046	# the temporary/swap location
1763	sub save_path {	2047	sub save_path {
1764	my ($self) = @_;	2048	my ($self) = @_;
1765		2049
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1768	}	2052	}
1769		2053
1770	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1771	sub uniq_path {	2055	sub uniq_path {
1772	my ($self) = @_;	2056	my ($self) = @_;
1773		2057
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	2060	}
1786		2061
1787	sub decay_objects {	2062	sub decay_objects {
1788	my ($self) = @_;	2063	my ($self) = @_;
1789		2064
…		…
1816	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1817		2092
1818	1	2093	1
1819	}	2094	}
1820		2095
		2096	# used to laod the header of an original map
1821	sub load_header_orig {	2097	sub load_header_orig {
1822	my ($self) = @_;	2098	my ($self) = @_;
1823		2099
1824	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1825	}	2101	}
1826		2102
		2103	# used to laod the header of an instantiated map
1827	sub load_header_temp {	2104	sub load_header_temp {
1828	my ($self) = @_;	2105	my ($self) = @_;
1829		2106
1830	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1831	}	2108	}
1832		2109
		2110	# called after loading the header from an instantiated map
1833	sub prepare_temp {	2111	sub prepare_temp {
1834	my ($self) = @_;	2112	my ($self) = @_;
1835		2113
1836	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1837	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1838	# safety	2116	# safety
1839	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1840	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1841	}	2119	}
1842		2120
		2121	# called after loading the header from an original map
1843	sub prepare_orig {	2122	sub prepare_orig {
1844	my ($self) = @_;	2123	my ($self) = @_;
1845		2124
1846	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1847	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1871		2150
1872	sub find;	2151	sub find;
1873	sub find {	2152	sub find {
1874	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1875		2154
		2155	cf::cede_to_tick;
		2156
1876	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1877		2158
1878	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1880		2161
1881	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1886	or return;	2164	or return;
1887		2165
1888	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1889		2167
…		…
1891	or return;	2169	or return;
1892		2170
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1896	undef $guard1;	2175	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2176	$map->reset;
1899	return find $path;	2177	return find $path;
1900	}	2178	}
1901		2179
1902	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1903	}	2181	}
1904	}	2182	}
1905		2183
1906	sub pre_load { }	2184	sub pre_load { }
1907	sub post_load { }	2185	#sub post_load { } # XS
1908		2186
1909	sub load {	2187	sub load {
1910	my ($self) = @_;	2188	my ($self) = @_;
1911		2189
1912	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1915		2193
1916	{	2194	{
1917	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1918		2196
1919	return unless $self->valid;	2197	return unless $self->valid;
1920	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1921
1922	$self->in_memory (cf::MAP_LOADING);
1923		2199
1924	$self->alloc;	2200	$self->alloc;
1925		2201
1926	$self->pre_load;	2202	$self->pre_load;
1927	cf::cede_to_tick;	2203	cf::cede_to_tick;
1928		2204
		2205	if (exists $self->{load_path}) {
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2207	$f->skip_block;
1931	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1932	or return;	2209	or return;
1933		2210
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1935	if delete $self->{load_original};	2212	if delete $self->{load_original};
1936		2213
1937	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2215	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1940	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1941	$self->clear_unique_items;	2218	$self->clear_unique_items;
1942	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1943	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1944	}	2222	}
1945	}	2223	}
1946	}
1947		2224
1948	$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);
1949		2232
1950	cf::cede_to_tick;	2233	cf::cede_to_tick;
1951	# now do the right thing for maps	2234	# now do the right thing for maps
1952	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1953	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1956		2239
1957	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2241	$self->decay_objects;
1959	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1960	$self->update_buttons;	2243	$self->update_buttons;
		2244	$self->post_load_physics;
1961	cf::cede_to_tick;	2245	cf::cede_to_tick;
1962	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
1963	cf::cede_to_tick;
1964	$self->activate;
1965	}	2247	}
1966		2248
1967	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
1969
1970	$self->in_memory (cf::MAP_IN_MEMORY);
1971	}	2251	}
1972		2252
1973	$self->post_load;	2253	$self->post_load;
1974	}
1975		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1976	sub customise_for {	2261	sub customise_for {
1977	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1978		2263
1979	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1980	if $self->per_player;	2265	if $self->per_player;
…		…
1996	or next;	2281	or next;
1997	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1998	or next;	2283	or next;
1999	$neigh->load;	2284	$neigh->load;
2000		2285
		2286	# now find the diagonal neighbours
2001	push @neigh,	2287	push @neigh,
2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2004	}	2290	}
2005		2291
…		…
2012	}	2298	}
2013		2299
2014	sub find_sync {	2300	sub find_sync {
2015	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
2016		2302
2017	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
2018	}	2308	}
2019		2309
2020	sub do_load_sync {	2310	sub do_load_sync {
2021	my ($map) = @_;	2311	my ($map) = @_;
2022		2312
		2313	# it's a bug to call this from the main context
2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2024	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
2025		2316
2026	cf::sync_job { $map->load };	2317	$map->load;
2027	}	2318	}
2028		2319
2029	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
2030	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
2031		2322
2032	sub find_async {	2323	sub find_async {
2033	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
2034		2325
2035	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
2036		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
2037	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
2039	}	2332	}
2040		2333
2041	$MAP_PREFETCH{$path} |= $load;	2334	$MAP_PREFETCH{$path} |= $load;
2042		2335
2043	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
…		…
2057	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
2058		2351
2059	()	2352	()
2060	}	2353	}
2061		2354
		2355	# common code, used by both ->save and ->swapout
2062	sub save {	2356	sub _save {
2063	my ($self) = @_;	2357	my ($self) = @_;
2064
2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
2066		2358
2067	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
2068		2360
2069	return unless $self->dirty;	2361	return unless $self->dirty;
2070		2362
…		…
2079		2371
2080	cf::async {	2372	cf::async {
2081	$Coro::current->{desc} = "map player save";	2373	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
2083	};	2375	};
		2376
		2377	cf::get_slot 0.02;
2084		2378
2085	if ($uniq) {	2379	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2382	} else {
2089	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2090	}	2384	}
2091	}	2385	}
2092		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
2093	sub swap_out {	2395	sub swap_out {
2094	my ($self) = @_;	2396	my ($self) = @_;
2095		2397
2096	# save first because save cedes
2097	$self->save;
2098
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
2101	return if $self->players;	2402	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;	2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
		2413	$self->clear;
		2414	}
		2415
		2416	sub reset_at {
		2417	my ($self) = @_;
		2418
		2419	# TODO: safety, remove and allow resettable per-player maps
2103	return if $self->{deny_save};	2420	return 1e99 if $self->{deny_reset};
2104		2421
		2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2424
		2425	$time + $to
		2426	}
		2427
		2428	sub should_reset {
		2429	my ($self) = @_;
		2430
		2431	$self->reset_at <= $cf::RUNTIME
		2432	}
		2433
		2434	sub reset {
		2435	my ($self) = @_;
		2436
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
		2439	return if $self->players;
		2440
		2441	cf::trace "resetting map ", $self->path, "\n";
		2442
2105	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
		2452
		2453	delete $cf::MAP{$self->path};
2106		2454
2107	$self->deactivate;	2455	$self->deactivate;
2108	$_->clear_links_to ($self) for values %cf::MAP;	2456	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2457	$self->clear;
2110	}
2111
2112	sub reset_at {
2113	my ($self) = @_;
2114
2115	# TODO: safety, remove and allow resettable per-player maps
2116	return 1e99 if $self->{deny_reset};
2117
2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2120
2121	$time + $to
2122	}
2123
2124	sub should_reset {
2125	my ($self) = @_;
2126
2127	$self->reset_at <= $cf::RUNTIME
2128	}
2129
2130	sub reset {
2131	my ($self) = @_;
2132
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134
2135	return if $self->players;
2136
2137	warn "resetting map ", $self->path;
2138
2139	$self->in_memory (cf::MAP_SWAPPED);
2140
2141	# need to save uniques path
2142	unless ($self->{deny_save}) {
2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
2144
2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2146	if $uniq;
2147	}
2148
2149	delete $cf::MAP{$self->path};
2150
2151	$self->deactivate;
2152	$_->clear_links_to ($self) for values %cf::MAP;
2153	$self->clear;
2154		2458
2155	$self->unlink_save;	2459	$self->unlink_save;
2156	$self->destroy;	2460	$self->destroy;
2157	}	2461	}
2158		2462
…		…
2166		2470
2167	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
2168		2472
2169	$self->unlink_save;	2473	$self->unlink_save;
2170		2474
2171	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
2172	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
2173	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
2174	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2176		2480
…		…
2225		2529
2226	sub unique_maps() {	2530	sub unique_maps() {
2227	[	2531	[
2228	map {	2532	map {
2229	utf8::decode $_;	2533	utf8::decode $_;
2230	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
2231	? normalise $_	2537	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2539	]
2235	}	2540	}
2236		2541
2237	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
2238		2573
2239	=back	2574	=back
2240		2575
2241	=head3 cf::object	2576	=head3 cf::object
2242		2577
…		…
2246		2581
2247	=over 4	2582	=over 4
2248		2583
2249	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2250		2585
2251	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2252		2588
2253	=cut	2589	=cut
2254		2590
2255	sub inv_recursive_;	2591	sub inv_recursive_;
2256	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2262	}	2598	}
2263		2599
2264	=item $ref = $ob->ref	2600	=item $ref = $ob->ref
2265		2601
2266	creates and returns a persistent reference to an objetc that can be stored as a string.	2602	Creates and returns a persistent reference to an object that can be stored as a string.
2267		2603
2268	=item $ob = cf::object::deref ($refstring)	2604	=item $ob = cf::object::deref ($refstring)
2269		2605
2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271	even if the object actually exists. May block.	2607	even if the object actually exists. May block.
…		…
2273	=cut	2609	=cut
2274		2610
2275	sub deref {	2611	sub deref {
2276	my ($ref) = @_;	2612	my ($ref) = @_;
2277		2613
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280
2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2615	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2284	or return;	2617	or return;
2285	$pl->ob->uuid eq $uuid	2618	$pl->ob->uuid eq $uuid
2286	or return;	2619	or return;
…		…
2306	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
2307	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2308		2641
2309	=cut	2642	=cut
2310		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
		2657
2311	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2312	# with dialog boxes.	2659	# with dialog boxes.
2313	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2314	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
2315	my ($self, $npc, $msg, $flags) = @_;	2662	my ($self, $npc, $msg, $flags) = @_;
…		…
2326	my $dialog = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2328		2675
2329	} else {	2676	} else {
2330	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2331	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2332	}	2679	}
2333	}	2680	}
2334	}	2681	}
2335		2682
2336	=item $object->send_msg ($channel, $msg, $color, [extra...])	2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2361		2708
2362	=item $player_object->enter_link	2709	=item $player_object->enter_link
2363		2710
2364	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2365		2712
2366	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
2367	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2368		2717
2369	Will never block.	2718	Will never block.
2370		2719
2371	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2372		2721
…		…
2392	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2393	my ($self) = @_;	2742	my ($self) = @_;
2394		2743
2395	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2396		2745
		2746	++$self->{_link_recursion};
		2747
2397	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2398		2749
2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2400	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2401		2752
2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2403	}	2754	}
2404		2755
2405	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2406	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2407		2758
…		…
2424	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2425	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2426		2777
2427	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2428	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2429	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2430		2781
2431	$map->load;	2782	$map->load;
2432	$map->load_neighbours;	2783	$map->load_neighbours;
2433		2784
2434	return unless $self->contr->active;	2785	return unless $self->contr->active;
2435	$self->activate_recursive;
2436		2786
2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2438	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2439	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2440		2794
		2795	}
		2796
2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2442		2798
2443	Moves the player to the given map-path and coordinates by first freezing	2799	Moves the player to the given map-path and coordinates by first freezing
2444	her, loading and preparing them map, calling the provided $check callback	2800	her, loading and preparing them map, calling the provided $check callback
2445	that has to return the map if sucecssful, and then unfreezes the player on	2801	that has to return the map if sucecssful, and then unfreezes the player on
2446	the new (success) or old (failed) map position. In either case, $done will	2802	the new (success) or old (failed) map position. In either case, $done will
2447	be called at the end of this process.	2803	be called at the end of this process.
2448		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
2449	=cut	2808	=cut
2450		2809
2451	our $GOTOGEN;	2810	our $GOTOGEN;
2452		2811
2453	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2454	my ($self, $path, $x, $y, $check, $done) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
2455		2820
2456	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2458		2823
2459	$self->enter_link;	2824	$self->enter_link;
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2844	($path, $x, $y) = (undef, undef, undef);
2480	}	2845	}
2481	}	2846	}
2482		2847
2483	my $map = eval {	2848	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2850
2486	if ($map) {	2851	if ($map) {
2487	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2854	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2856	}
2492		2857
2493	$map	2858	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2504	}	2869	}
2505		2870
2506	$done->() if $done;	2871	$done->($self) if $done;
2507	})->prio (1);	2872	})->prio (1);
2508	}	2873	}
2509		2874
2510	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2511		2876
…		…
2531	}	2896	}
2532		2897
2533	sub prepare_random_map {	2898	sub prepare_random_map {
2534	my ($exit) = @_;	2899	my ($exit) = @_;
2535		2900
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2903	# that depends on the exit object
2541		2904
2542	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2907	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2549	}	2914	}
2550		2915
2551	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2552		2917
2553	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2556		2921
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2924	undef $fh;
2560	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2561		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2564	}	2933	}
2565	}	2934	}
2566		2935
2567	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2569		2938
2570	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2571		2940
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2941	$self->enter_link;
2584		2942
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2943	(async {
2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2944	$Coro::current->{desc} = "enter_exit";
2591		2945
2592	$self->deactivate_recursive; # just to be sure
2593	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2594	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2595		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2596	1;	2982	1
2597	}) {	2983	}) {
2598	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2599	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2600	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2601	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2602		2988
2603	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2604	$self->leave_link;	2990	$self->leave_link;
2605	}	2991	}
2606	})->prio (1);	2992	})->prio (1);
2607	}	2993	}
2608		2994
…		…
2620	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
2621	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
2622		3008
2623	utf8::encode $text;	3009	utf8::encode $text;
2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3011	}
		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
2625	}	3036	}
2626		3037
2627	=item $client->send_msg ($channel, $msg, $color, [extra...])	3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
2628		3039
2629	Send a drawinfo or msg packet to the client, formatting the msg for the	3040	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	3042	the message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	3043	the message unless the client supports the msg packet.
2633		3044
2634	=cut	3045	=cut
2635		3046
		3047	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
2637	"c/identify" => {	3055	"c/identify" => {
2638	id => "infobox",	3056	id => "infobox",
2639	title => "Identify",	3057	title => "Identify",
2640	reply => undef,	3058	reply => undef,
2641	tooltip => "Items recently identified",	3059	tooltip => "Items recently identified",
…		…
2644	id => "infobox",	3062	id => "infobox",
2645	title => "Examine",	3063	title => "Examine",
2646	reply => undef,	3064	reply => undef,
2647	tooltip => "Signs and other items you examined",	3065	tooltip => "Signs and other items you examined",
2648	},	3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
2649	"c/lookat" => {	3079	"c/lookat" => {
2650	id => "infobox",	3080	id => "infobox",
2651	title => "Look",	3081	title => "Look",
2652	reply => undef,	3082	reply => undef,
2653	tooltip => "What you saw there",	3083	tooltip => "What you saw there",
2654	},	3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
2655	);	3159	);
2656		3160
2657	sub cf::client::send_msg {	3161	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	3162	my ($self, $channel, $msg, $color, @extra) = @_;
2659		3163
2660	$msg = $self->pl->expand_cfpod ($msg);	3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
2661		3166
2662	$color &= cf::NDI_CLIENT_MASK; # just in case...	3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
2663		3168
2664	# check predefined channels, for the benefit of C	3169	# check predefined channels, for the benefit of C
2665	if ($CHANNEL{$channel}) {	3170	if ($CHANNEL{$channel}) {
2666	$channel = $CHANNEL{$channel};	3171	$channel = $CHANNEL{$channel};
2667		3172
2668	$self->ext_msg (channel_info => $channel)	3173	$self->ext_msg (channel_info => $channel);
2669	if $self->can_msg;
2670
2671	$channel = $channel->{id};	3174	$channel = $channel->{id};
2672		3175
2673	} elsif (ref $channel) {	3176	} elsif (ref $channel) {
2674	# send meta info to client, if not yet sent	3177	# send meta info to client, if not yet sent
2675	unless (exists $self->{channel}{$channel->{id}}) {	3178	unless (exists $self->{channel}{$channel->{id}}) {
2676	$self->{channel}{$channel->{id}} = $channel;	3179	$self->{channel}{$channel->{id}} = $channel;
2677	$self->ext_msg (channel_info => $channel)	3180	$self->ext_msg (channel_info => $channel);
2678	if $self->can_msg;
2679	}	3181	}
2680		3182
2681	$channel = $channel->{id};	3183	$channel = $channel->{id};
2682	}	3184	}
2683		3185
2684	return unless @extra || length $msg;	3186	return unless @extra || length $msg;
2685		3187
2686	if ($self->can_msg) {
2687	# default colour, mask it out	3188	# default colour, mask it out
2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2689	if $color & cf::NDI_DEF;	3190	if $color & cf::NDI_DEF;
2690		3191
2691	$self->send_packet ("msg " . $self->{json_coder}->encode (	3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2693	} else {	3195	);
2694	if ($color >= 0) {
2695	# replace some tags by gcfclient-compatible ones
2696	for ($msg) {
2697	1 while
2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2703	}
2704		3196
2705	$color &= cf::NDI_COLOR_MASK;	3197	$self->send_big_packet ($pkt);
2706
2707	utf8::encode $msg;
2708
2709	if (0 && $msg =~ /\[/) {
2710	# COMMAND/INFO
2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
2712	} else {
2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2714	$self->send_packet ("drawinfo $color $msg")
2715	}
2716	}
2717	}
2718	}	3198	}
2719		3199
2720	=item $client->ext_msg ($type, @msg)	3200	=item $client->ext_msg ($type, @msg)
2721		3201
2722	Sends an ext event to the client.	3202	Sends an ext event to the client.
…		…
2725		3205
2726	sub cf::client::ext_msg($$@) {	3206	sub cf::client::ext_msg($$@) {
2727	my ($self, $type, @msg) = @_;	3207	my ($self, $type, @msg) = @_;
2728		3208
2729	if ($self->extcmd == 2) {	3209	if ($self->extcmd == 2) {
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2731	} elsif ($self->extcmd == 1) { # TODO: remove	3211	} elsif ($self->extcmd == 1) { # TODO: remove
2732	push @msg, msgtype => "event_$type";	3212	push @msg, msgtype => "event_$type";
2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2734	}	3214	}
2735	}	3215	}
2736		3216
2737	=item $client->ext_reply ($msgid, @msg)	3217	=item $client->ext_reply ($msgid, @msg)
2738		3218
…		…
2742		3222
2743	sub cf::client::ext_reply($$@) {	3223	sub cf::client::ext_reply($$@) {
2744	my ($self, $id, @msg) = @_;	3224	my ($self, $id, @msg) = @_;
2745		3225
2746	if ($self->extcmd == 2) {	3226	if ($self->extcmd == 2) {
2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2748	} elsif ($self->extcmd == 1) {	3228	} elsif ($self->extcmd == 1) {
2749	#TODO: version 1, remove	3229	#TODO: version 1, remove
2750	unshift @msg, msgtype => "reply", msgid => $id;	3230	unshift @msg, msgtype => "reply", msgid => $id;
2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2752	}	3232	}
2753	}	3233	}
2754		3234
2755	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2756		3236
…		…
2827		3307
2828	$ns->ext_reply ($reply, @reply)	3308	$ns->ext_reply ($reply, @reply)
2829	if $reply;	3309	if $reply;
2830		3310
2831	} else {	3311	} else {
2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2833	}	3313	}
2834		3314
2835	cf::override;	3315	cf::override;
2836	},	3316	},
2837	);	3317	);
…		…
2857		3337
2858	$coro	3338	$coro
2859	}	3339	}
2860		3340
2861	cf::client->attach (	3341	cf::client->attach (
2862	on_destroy => sub {	3342	on_client_destroy => sub {
2863	my ($ns) = @_;	3343	my ($ns) = @_;
2864		3344
2865	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2866	},	3346	},
2867	);	3347	);
…		…
2883	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2884		3364
2885	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2886		3366
2887	$safe->permit_only (Opcode::opset qw(	3367	$safe->permit_only (Opcode::opset qw(
2888	:base_core :base_mem :base_orig :base_math	3368	:base_core :base_mem :base_orig :base_math :base_loop
2889	grepstart grepwhile mapstart mapwhile	3369	grepstart grepwhile mapstart mapwhile
2890	sort time	3370	sort time
2891	));	3371	));
2892		3372
2893	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
…		…
2895	=pod	3375	=pod
2896		3376
2897	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2898		3378
2899	cf::object	3379	cf::object
2900	contr pay_amount pay_player map x y force_find force_add	3380	contr pay_amount pay_player map x y force_find force_add destroy
2901	insert remove name archname title slaying race decrease_ob_nr	3381	insert remove name archname title slaying race decrease split
		3382	value
2902		3383
2903	cf::object::player	3384	cf::object::player
2904	player	3385	player
2905		3386
2906	cf::player	3387	cf::player
…		…
2911		3392
2912	=cut	3393	=cut
2913		3394
2914	for (	3395	for (
2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916	insert remove inv name archname title slaying race	3397	insert remove inv nrof name archname title slaying race
2917	decrease_ob_nr)],	3398	decrease split destroy change_exp value msg lore send_msg)],
2918	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2920	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2921	) {	3402	) {
2922	no strict 'refs';
2923	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2924	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2925	for @funs;	3405	for @funs;
2926	}	3406	}
2927		3407
…		…
2942		3422
2943	my $qcode = $code;	3423	my $qcode = $code;
2944	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2945	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2946		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2947	local $_;	3430	local $_;
2948	local @safe::cf::_safe_eval_args = values %vars;
2949		3431
2950	my $eval =	3432	my $eval =
2951	"do {\n"	3433	"do {\n"
2952	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2953	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2954	. $code	3436	. $code
2955	. "\n}"	3437	. "\n}"
2956	;	3438	;
2957		3439
		3440	if ($CFG{safe_eval}) {
2958	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2959	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2960	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2961		3449
2962	if ($@) {	3450	if ($@) {
2963	warn "$@";	3451	warn "$@",
2964	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2965	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2966	}	3454	}
2967		3455
2968	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2969	}	3457	}
2970		3458
…		…
2984	=cut	3472	=cut
2985		3473
2986	sub register_script_function {	3474	sub register_script_function {
2987	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2988		3476
2989	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2990	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2991	}	3479	}
2992		3480
2993	=back	3481	=back
2994		3482
2995	=cut	3483	=cut
…		…
3004	# for this (global event?)	3492	# for this (global event?)
3005	%ext::player_env::MUSIC_FACE_CACHE = ();	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
3006		3494
3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3008		3496
3009	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
3010		3498
3011	my $facedata;	3499	my $facedata = decode_storable load_file $path;
3012	0 < aio_load $path, $facedata
3013	or die "$path: $!";
3014
3015	$facedata = Coro::Storable::thaw $facedata;
3016		3500
3017	$facedata->{version} == 2	3501	$facedata->{version} == 2
3018	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
3019		3503
3020	# patch in the exptable	3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3021	$facedata->{resource}{"res/exp_table"} = {	3506	$facedata->{resource}{"res/exp_table"} = {
3022	type => FT_RSRC,	3507	type => FT_RSRC,
3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
3024	};	3510	};
3025	cf::cede_to_tick;	3511	cf::cede_to_tick;
3026		3512
3027	{	3513	{
3028	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
3029		3515
3030	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
3032	cf::face::set_visibility $idx, $info->{visibility};	3519	cf::face::set_visibility $idx, $info->{visibility};
3033	cf::face::set_magicmap $idx, $info->{magicmap};	3520	cf::face::set_magicmap $idx, $info->{magicmap};
3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3036		3524
3037	cf::cede_to_tick;	3525	cf::cede_to_tick;
3038	}	3526	}
3039		3527
3040	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
3041	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
3042	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
3043	or next;	3532	or next;
		3533
3044	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
3045	cf::face::set_smooth $idx, $smooth;	3535	cf::face::set_smooth $idx, $smooth;
3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3047	} else {	3537	} else {
3048	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
3049	}	3539	}
3050		3540
3051	cf::cede_to_tick;	3541	cf::cede_to_tick;
3052	}	3542	}
3053	}	3543	}
…		…
3062		3552
3063	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
3064	}	3554	}
3065		3555
3066	{	3556	{
3067	# TODO: for gcfclient pleasure, we should give resources
3068	# that gcfclient doesn't grok a >10000 face index.
3069	my $res = $facedata->{resource};	3557	my $res = $facedata->{resource};
3070		3558
3071	my $soundconf = delete $res->{"res/sound.conf"};
3072
3073	while (my ($name, $info) = each %$res) {	3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3075	my $data;
3076		3562
3077	if ($info->{type} & 1) {	3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3078	# prepend meta info	3564	cf::face::set_type $idx, $info->{type};
3079
3080	my $meta = $enc->encode ({
3081	name => $name,
3082	%{ $info->{meta} || {} },
3083	});
3084
3085	$data = pack "(w/a*)*", $meta, $info->{data};
3086	} else {	3565	} else {
3087	$data = $info->{data};	3566	$RESOURCE{$name} = $info; # unused
3088	}	3567	}
3089		3568
3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091	cf::face::set_type $idx, $info->{type};
3092
3093	cf::cede_to_tick;	3569	cf::cede_to_tick;
3094	}	3570	}
3095
3096	if ($soundconf) {
3097	$soundconf = $enc->decode (delete $soundconf->{data});
3098
3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100	my $sound = $soundconf->{compat}[$_]
3101	or next;
3102
3103	my $face = cf::face::find "sound/$sound->[1]";
3104	cf::sound::set $sound->[0] => $face;
3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106	}
3107
3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
3109	my $face = cf::face::find "sound/$v";
3110	cf::sound::set $k => $face;
3111	}
3112	}
3113	}	3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3114		3574
3115	1	3575	1
3116	}	3576	}
3117		3577
3118	register_exticmd fx_want => sub {	3578	register_exticmd fx_want => sub {
…		…
3120		3580
3121	while (my ($k, $v) = each %$want) {	3581	while (my ($k, $v) = each %$want) {
3122	$ns->fx_want ($k, $v);	3582	$ns->fx_want ($k, $v);
3123	}	3583	}
3124	};	3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
3125		3595
3126	sub reload_regions {	3596	sub reload_regions {
3127	# HACK to clear player env face cache, we need some signal framework	3597	# HACK to clear player env face cache, we need some signal framework
3128	# for this (global event?)	3598	# for this (global event?)
3129	%ext::player_env::MUSIC_FACE_CACHE = ();	3599	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3143	}	3613	}
3144		3614
3145	sub reload_archetypes {	3615	sub reload_archetypes {
3146	load_resource_file "$DATADIR/archetypes"	3616	load_resource_file "$DATADIR/archetypes"
3147	or die "unable to load archetypes\n";	3617	or die "unable to load archetypes\n";
3148	#d# NEED to laod twice to resolve forward references
3149	# this really needs to be done in an extra post-pass
3150	# (which needs to be synchronous, so solve it differently)
3151	load_resource_file "$DATADIR/archetypes"
3152	or die "unable to load archetypes\n";
3153	}	3618	}
3154		3619
3155	sub reload_treasures {	3620	sub reload_treasures {
3156	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
3157	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
3158	}	3623	}
3159		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
3160	sub reload_resources {	3645	sub reload_resources {
3161	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
3162		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
3163	reload_regions;	3653	reload_regions;
3164	reload_facedata;
3165	#reload_archetypes;#d#
3166	reload_archetypes;
3167	reload_treasures;	3654	reload_treasures;
3168		3655
3169	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
3170	}
3171
3172	sub init {
3173	reload_resources;
3174	}	3657	}
3175		3658
3176	sub reload_config {	3659	sub reload_config {
3177	open my $fh, "<:utf8", "$CONFDIR/config"	3660	trace "reloading config file...\n";
3178	or return;
3179		3661
3180	local $/;	3662	my $config = load_file "$CONFDIR/config";
3181	*CFG = YAML::Syck::Load <$fh>;	3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
3182		3665
3183	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3184		3667
3185	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3186	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3187		3670
3188	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
3192	};	3675	};
3193	warn $@ if $@;	3676	warn $@ if $@;
3194	}	3677	}
3195	}	3678	}
3196		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
3197	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
3198	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3201	(async {	3721	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3723	EV::loop EV::LOOP_ONESHOT;
3204	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
3205	};	3725	};
3206		3726
		3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
3207	reload_config;	3739	reload_config;
3208	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
3209	load_extensions;	3750	load_extensions;
3210		3751
3211	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
3212	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
3213	}	3770	}
3214		3771
3215	#############################################################################	3772	#############################################################################
3216	# initialisation and cleanup	3773	# initialisation and cleanup
3217		3774
3218	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
3219	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3222	reentrant => 0,
3223	data => WF_AUTOCANCEL,
3224	signal => $signal,
3225	prio => 0,
3226	cb => sub {
3227	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
3228	},
3229	);	3781	};
3230	}	3782	}
3231	}	3783	}
3232		3784
3233	sub write_runtime {	3785	sub write_runtime_sync {
3234	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
3235		3787
3236	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
3237	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
3238		3790
3239	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3240		3792
3241	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
3242		3794
3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3244	or return;	3796	or return;
3245		3797
3246	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
3247	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
3248	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
3258	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
3259		3811
3260	close $fh	3812	close $fh
3261	or return;	3813	or return;
3262		3814
3263	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3264	and return;	3816	and return;
3265		3817
3266	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3267		3819
3268	1	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
3269	}	3871	}
3270		3872
3271	sub emergency_save() {	3873	sub emergency_save() {
3272	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
3273		3875
3274	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
3275		3882
3276	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
3277	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
3278	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
3279	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
3281	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	3894	$pl->save;
3285	}	3895	}
3286	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
3287		3897
3288	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
3289	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
3290	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
3291	$map->valid or next;	3903	$map->valid or next;
3292	$map->save;	3904	$map->save;
3293	}	3905	}
3294	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
3295		3907
3296	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
3297	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
3298	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
3299	};	3936	};
3300		3937
3301	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
3302	}	3939	}
3303		3940
3304	sub post_cleanup {	3941	sub post_cleanup {
3305	my ($make_core) = @_;	3942	my ($make_core) = @_;
3306		3943
		3944	IO::AIO::flush;
		3945
3307	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
3308	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
3309	}	3976	}
3310		3977
3311	sub do_reload_perl() {	3978	sub do_reload_perl() {
3312	# can/must only be called in main	3979	# can/must only be called in main
3313	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
3314	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
3315	return;	3982	return;
3316	}	3983	}
3317		3984
3318	warn "reloading...";	3985	return if $RELOAD++;
3319		3986
3320	warn "entering sync_job";	3987	my $t1 = AE::time;
3321		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
3322	cf::sync_job {	3995	cf::sync_job {
3323	cf::write_runtime; # external watchdog should not bark
3324	cf::emergency_save;	3996	#cf::emergency_save;
3325	cf::write_runtime; # external watchdog should not bark
3326		3997
3327	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;
3329
3330	# if anything goes wrong in here, we should simply crash as we already saved
3331
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336
3337	warn "flushing outstanding aio requests";
3338	for (;;) {
3339	BDB::flush;
3340	IO::AIO::flush;
3341	Coro::cede;
3342	last unless IO::AIO::nreqs || BDB::nreqs;
3343	warn "iterate...";
3344	}
3345
3346	++$RELOAD;
3347
3348	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
3349	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
3350	%EXT_CORO = ();	4000	%EXT_CORO = ();
3351		4001
3352	warn "removing commands";	4002	trace "perl_reload: removing commands";
3353	%COMMAND = ();	4003	%COMMAND = ();
3354		4004
3355	warn "removing ext/exti commands";	4005	trace "perl_reload: removing ext/exti commands";
3356	%EXTCMD = ();	4006	%EXTCMD = ();
3357	%EXTICMD = ();	4007	%EXTICMD = ();
3358		4008
3359	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
3360	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
3361	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
3362		4012
3363	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
3364	eval {	4014	eval {
3365	$cb->($pkg);	4015	$cb->($pkg);
3366	1	4016	1
3367	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
3368	}	4022	}
3369		4023
3370	warn "... nuking $pkg";
3371	Symbol::delete_package $pkg;
3372	}
3373
3374	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3375	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
3376	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3377		4027
3378	warn "... unloading $k";	4028	trace "... unloading $k";
3379	delete $INC{$k};	4029	delete $INC{$k};
3380		4030
3381	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
3382	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
3383		4033
3384	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
3385	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
3386	}	4039	}
3387		4040
3388	Symbol::delete_package $k;
3389	}
3390
3391	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
3392	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3394		4044
3395	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
3396	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
3397	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3398		4048
3399	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
3400	# and global variables created in xs	4050	# and global variables created in xs
3401	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
3402		4052
3403	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
3404		4054
3405	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
3406	require cf;	4056	require cf;
3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
3408		4058
3409	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
3410	cf::reload_config;	4060	cf::reload_config;
3411		4061
3412	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
3413	cf::load_extensions;	4063	cf::load_extensions;
3414		4064
		4065	if ($REATTACH_ON_RELOAD) {
3415	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
3416	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
3417	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
3418	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
3419	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
3420	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
3421		4073
3422	warn "leaving sync_job";	4074	cf::_post_init 1;
3423		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
3424	1	4078	1
3425	} or do {	4079	} or do {
3426	warn $@;	4080	error $@;
3427	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
3428	exit 1;	4082	};
		4083
		4084	--$RELOAD;
3429	};	4085	}
3430		4086
3431	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
3432	};	4089	};
3433		4090
3434	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
3435		4092
3436	sub reload_perl() {	4093	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
3439		4096
3440	$RELOAD_WATCHER ||= Event->timer (	4097	$RELOAD_WATCHER ||= cf::async {
3441	reentrant => 0,	4098	Coro::AIO::aio_wait cache_extensions;
3442	after => 0,	4099
3443	data => WF_AUTOCANCEL,	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3444	cb => sub {
3445	do_reload_perl;	4101	do_reload_perl;
3446	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
3447	},	4103	};
3448	);	4104	};
3449	}	4105	}
3450		4106
3451	register_command "reload" => sub {	4107	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
3453		4109
…		…
3458	reload_perl;	4114	reload_perl;
3459	};	4115	};
3460	}	4116	}
3461	};	4117	};
3462		4118
3463	unshift @INC, $LIBDIR;	4119	#############################################################################
3464		4120
3465	my $bug_warning = 0;	4121	my $bug_warning = 0;
3466		4122
3467	our @WAIT_FOR_TICK;
3468	our @WAIT_FOR_TICK_BEGIN;
3469
3470	sub wait_for_tick {	4123	sub wait_for_tick() {
3471	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3472	return if $Coro::current == $Coro::main;
3473		4125
3474	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
3475	push @WAIT_FOR_TICK, $signal;
3476	$signal->wait;
3477	}	4127	}
3478		4128
3479	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
3480	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3481	return if $Coro::current == $Coro::main;
3482		4131
3483	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	4134	$signal->wait;
3486	}	4135	}
3487		4136
3488	$TICK_WATCHER = Event->timer (	4137	sub tick {
3489	reentrant => 0,
3490	parked => 1,
3491	prio => 0,
3492	at => $NEXT_TICK || $TICK,
3493	data => WF_AUTOCANCEL,
3494	cb => sub {
3495	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
3498	return;	4141	return;
3499	}	4142	}
3500		4143
3501	$NOW = $tick_start = Event::time;	4144	cf::one_tick; # one server iteration
3502		4145
3503	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3504		4147
3505	$RUNTIME += $TICK;
3506	$NEXT_TICK += $TICK;
3507
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	4150	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	4151	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	4152	write_runtime_sync
3513	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
3514	};
3515	}	4154	};
		4155	}
3516		4156
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	4158	$sig->send;
3519	}	4159	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
3521	$sig->send;
3522	}
3523		4161
3524	$NOW = Event::time;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
3525
3526	# if we are delayed by four ticks or more, skip them all
3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3528
3529	$TICK_WATCHER->at ($NEXT_TICK);
3530	$TICK_WATCHER->start;
3531
3532	$LOAD = ($NOW - $tick_start) / $TICK;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		4164
3535	_post_tick;	4165	if (0) {
		4166	if ($NEXT_TICK) {
		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
3536	},	4171	}
3537	);	4172	}
3538		4173
3539	{	4174	{
		4175	# configure BDB
		4176
3540	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
3541	BDB::max_poll_time $TICK * 0.1;	4178	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	4179	$AnyEvent::BDB::WATCHER->priority (1);
3543	reentrant => 0,
3544	fd => BDB::poll_fileno,
3545	poll => 'r',
3546	prio => 0,
3547	data => WF_AUTOCANCEL,
3548	cb => \&BDB::poll_cb,
3549	);
3550
3551	BDB::set_sync_prepare {
3552	my $status;
3553	my $current = $Coro::current;
3554	(
3555	sub {
3556	$status = $!;
3557	$current->ready; undef $current;
3558	},
3559	sub {
3560	Coro::schedule while defined $current;
3561	$! = $status;
3562	},
3563	)
3564	};
3565		4180
3566	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3569	| BDB::LOG_AUTOREMOVE, 1);	4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3572		4188
3573	cf::sync_job {	4189	cf::sync_job {
3574	eval {	4190	eval {
…		…
3584		4200
3585	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	4202	};
3587	}	4203	}
3588		4204
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3590	after => 3,
3591	interval => 1,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	4207	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3600	after => 11,
3601	interval => 60,
3602	hard => 1,
3603	prio => 0,
3604	data => WF_AUTOCANCEL,
3605	cb => sub {
3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	4210	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3610	after => 5,
3611	interval => 10,
3612	hard => 1,
3613	prio => 0,
3614	data => WF_AUTOCANCEL,
3615	cb => sub {
3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	4213	};
3619	}	4214	}
3620		4215
3621	{	4216	{
		4217	# configure IO::AIO
		4218
3622	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
3627	reentrant => 0,
3628	data => WF_AUTOCANCEL,
3629	fd => IO::AIO::poll_fileno,
3630	poll => 'r',
3631	prio => 6,
3632	cb => \&IO::AIO::poll_cb,
3633	);
3634	}	4222	}
3635		4223
3636	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3637		4226
3638	sub _log_backtrace {	4227	sub _log_backtrace {
3639	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3640		4229
3641	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3642		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3643	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3644	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3645	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3646	async {	4240	async {
3647	$Coro::current->{desc} = "abt $msg";	4241	$Coro::current->{desc} = "abt $msg";
3648		4242
3649	my @bt = fork_call {	4243	my @bt = fork_call {
3650	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
…		…
3661	}	4255	}
3662		4256
3663	@funcs	4257	@funcs
3664	};	4258	};
3665		4259
3666	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3667	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3668	--$_log_backtrace;	4263	--$_log_backtrace;
3669	};	4264	};
3670	} else {	4265	} else {
3671	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3672	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3673	}	4268	}
3674	}	4269	}
3675		4270
3676	# load additional modules	4271	# load additional modules
3677	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3678		4274
3679	END { cf::emergency_save }	4275	END { cf::emergency_save }
3680		4276
3681	1	4277	1
3682		4278

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