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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		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 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$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 $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
253	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
254		430
255	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
256		432
257	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
258		434
259	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
260		436
261	=cut	437	=cut
262		438
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		440
265	sub to_json ($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
267		505
268	=item cf::lock_wait $string	506	=item cf::lock_wait $string
269		507
270	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
271		509
272	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
273		511
274	Wait until the given lock is available and then acquires it and returns	512	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,	513	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	514	for example when the coroutine gets canceled), the lock is automatically
277	returned.	515	returned.
278		516
279	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	518	deadlocked coro.
…		…
286		524
287	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
288		526
289	=cut	527	=cut
290		528
291	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		530
294	sub lock_wait($) {	531	sub lock_wait($) {
295	my ($key) = @_;	532	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	533	}
308		534
309	sub lock_acquire($) {	535	sub lock_acquire($) {
310	my ($key) = @_;	536	$LOCKS->guard ($_[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	}	537	}
324		538
325	sub lock_active($) {	539	sub lock_active($) {
326	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	541	}
330		542
331	sub freeze_mainloop {	543	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
333		545
334	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	547	}
336	};	548
337	$TICK_WATCHER->stop;	549	=item cf::periodic $interval, $cb
338	$guard	550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
339	}	562	}
340		563
341	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
342		565
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	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	567	(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.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
346		573
347	The optional C<$name> can be used to identify the job to run. It might be	574	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.	575	used for statistical purposes and should identify the same time-class.
349		576
350	Useful for short background jobs.	577	Useful for short background jobs.
351		578
352	=cut	579	=cut
353		580
354	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
356		584
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	587	$Coro::current->desc ("timeslot manager");
360		588
361	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
362		591
363	while () {	592	while () {
364	next_job:	593	next_job:
		594
365	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	596
367	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	601	$job->[2]->send;
371	Coro::cede;	602	Coro::cede;
372	goto next_job;	603	goto next_job;
373	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	606	}
375	}	607	}
376		608
377	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	612	} else {
		613	$busy = 0;
382	Coro::schedule;	614	Coro::schedule;
383	}	615	}
384	}	616	}
385	};	617	};
386		618
387	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
388	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
389		623
390	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
391	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
392		627
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
421	=cut	656	=cut
422		657
423	sub sync_job(&) {	658	sub sync_job(&) {
424	my ($job) = @_;	659	my ($job) = @_;
425		660
426	if ($Coro::current == $Coro::main) {	661	if (in_main) {
427	my $time = Event::time;	662	my $time = AE::time;
428		663
429	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
431		666
432	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
433		668
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
437		670
438	my $busy = 1;	671	my $busy = 1;
439	my @res;	672	my @res;
440		673
441	(async {	674	(async {
442	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	676	@res = eval { $job->() };
444	warn $@ if $@;	677	error $@ if $@;
445	undef $busy;	678	undef $busy;
446	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
447		680
448	while ($busy) {	681	while ($busy) {
449	if (Coro::nready) {	682	if (Coro::nready) {
450	Coro::cede_notself;	683	Coro::cede_notself;
451	} else {	684	} else {
452	Event::one_event;	685	EV::loop EV::LOOP_ONESHOT;
453	}	686	}
454	}	687	}
455		688
456	$time = Event::time - $time;	689	my $time = AE::time - $time;
457		690
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
462		692
463	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
464	} else {	694	} else {
465	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
466		696
…		…
486	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
487		717
488	$coro	718	$coro
489	}	719	}
490		720
491	=item fork_call { }, $args	721	=item fork_call { }, @args
492		722
493	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	726	never block itself or use any form of event handling.
497		727
498	=cut	728	=cut
		729
		730	sub post_fork {
		731	reset_signals;
		732	}
499		733
500	sub fork_call(&@) {	734	sub fork_call(&@) {
501	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
502		736
503	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
506		740
507	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
508	reset_signals;	742	cf::post_fork;
509	&$cb	743	&$cb
510	}, @args;	744	} @args;
511		745
512	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
513	}	785	}
514		786
515	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
516		788
517	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
527	within each server.	799	within each server.
528		800
529	=cut	801	=cut
530		802
531	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
532	my ($name) = @_;	807	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
534		809
535	eval {	810	eval {
536	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
546	}	821	}
547		822
548	our $DB;	823	our $DB;
549		824
550	sub db_init {	825	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	826	$DB ||= db_table "db";
553	};
554	}	827	}
555		828
556	sub db_get($$) {	829	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
558		831
559	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
560	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
561		836
562	$! ? ()	837	$! ? ()
563	: $data	838	: $data
564	}
565	}	839	}
566		840
567	sub db_put($$$) {	841	sub db_put($$$) {
568	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		871
598	my @data;	872	my @data;
599	my $md5;	873	my $md5;
600		874
601	for (0 .. $#$src) {	875	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	877	}
605		878
606	# if processing is expensive, check	879	# if processing is expensive, check
607	# checksum first	880	# checksum first
608	if (1) {	881	if (1) {
…		…
625		898
626	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	900	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
629		902
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		904
632	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
635		908
…		…
645		918
646	=cut	919	=cut
647		920
648	sub datalog($@) {	921	sub datalog($@) {
649	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	924	}
652		925
653	=back	926	=back
654		927
655	=cut	928	=cut
656		929
657	#############################################################################	930	#############################################################################
658		931
659	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
660		933
661	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
664		937
665	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
716	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
717		990
718	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
720		993
721	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
723		996
724	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
725		998
726	=over 4	999	=over 4
…		…
850		1123
851	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1126
854	} elsif (ref $type) {	1127	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
856		1129
857	} else {	1130	} else {
858	shift @arg;	1131	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
860	}	1133	}
861	}	1134	}
862	}	1135	}
863		1136
864	sub _object_attach {	1137	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
875	}	1148	}
876		1149
877	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
878	} else {	1151	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1153	}
881		1154
882	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
883	}	1156	}
884		1157
…		…
943		1216
944	for (@$callbacks) {	1217	for (@$callbacks) {
945	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
946		1219
947	if ($@) {	1220	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1222	override;
951	}	1223	}
952		1224
953	return 1 if $override;	1225	return 1 if $override;
954	}	1226	}
955		1227
956	0	1228	0
957	}	1229	}
958		1230
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1232
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1234
963	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
964		1236
…		…
1017		1289
1018	sub reattach {	1290	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1292	my ($obj) = @_;
1021		1293
		1294	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1296
1024	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1025		1298
1026	@$registry = ();	1299	@$registry = ();
1027		1300
…		…
1032	for (@$attach) {	1305	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1035	}	1308	}
1036	} else {	1309	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1311	}
1039	}	1312	}
1040	}	1313	}
1041		1314
1042	cf::attachable->attach (	1315	cf::attachable->attach (
1043	prio => -1000000,	1316	prio => -1000000,
1044	on_instantiate => sub {	1317	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
1046		1319
1047	$data = from_json $data;	1320	$data = decode_json $data;
1048		1321
1049	for (@$data) {	1322	for (@$data) {
1050	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
1051		1324
1052	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1070		1343
1071	sync_job {	1344	sync_job {
1072	if (length $$rdata) {	1345	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1076		1350
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
1081	close $fh;	1358	aio_close $fh;
1082		1359
1083	if (@$objs) {	1360	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
1089	close $fh;	1369	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1371	}
1092	} else {	1372	} else {
1093	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1094	}	1374	}
1095		1375
1096	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1380	} else {
1098	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1099	}	1382	}
1100	} else {	1383	} else {
1101	aio_unlink $filename;	1384	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1103	}	1386	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1411	$av = $st->{objs};
1129	}	1412	}
1130		1413
1131	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1134		1418
1135	($data, $av)	1419	($data, $av)
1136	}	1420	}
1137		1421
1138	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1195		1479
1196	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1197	}	1481	}
1198		1482
		1483	use File::Glob ();
		1484
1199	cf::player->attach (	1485	cf::player->attach (
1200	on_command => sub {	1486	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1202		1488
1203	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1204	or return;	1490	or return;
1205		1491
…		…
1213	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1214		1500
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1502
1217	if (ref $msg) {	1503	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1505
1223	my @reply;	1506	my @reply;
1224		1507
1225	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1228		1511
1229	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1513	if $reply;
1231		1514
1232	} else {	1515	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1517	}
1235		1518
1236	cf::override;	1519	cf::override;
1237	},	1520	},
1238	);	1521	);
1239		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1240	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1241	cf::sync_job {	1539	cf::sync_job {
1242	my %todo;	1540	my %todo;
1243		1541
1244	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1543	next unless -r $path;
…		…
1263		1561
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1564
1267	$ext{source} =	1565	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1270	. $source	1568	. $source
1271	. "\n};\n1";	1569	. "\n};\n1";
1272		1570
1273	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1274	}	1572	}
1275		1573
		1574	my $pass = 0;
1276	my %done;	1575	my %done;
1277	while (%todo) {	1576	while (%todo) {
1278	my $progress;	1577	my $progress;
1279		1578
		1579	++$pass;
		1580
		1581	ext:
1280	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1584	next ext
1283	unless exists $done{$_};	1585	unless exists $done{$_};
1284	}	1586	}
1285		1587
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1589
1288	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1293	warn $msg;	1597
1294	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1599	delete $todo{$k};
1296	}	1600	} else {
1297		1601	$done{$k} = delete $todo{$k};
1298	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1299	}	1607	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1608	}
1305		1609
1306	skip:	1610	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1309	}	1620	}
1310	};	1621	};
1311	}	1622	}
1312		1623
1313	#############################################################################	1624	#############################################################################
1314		1625
1315	=back	1626	=back
1316		1627
1317	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1318		1629
1319	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1320		1631
1321	=cut	1632	=cut
1322		1633
1323	package cf::player;	1634	package cf::player;
1324		1635
…		…
1367		1678
1368	sub exists($) {	1679	sub exists($) {
1369	my ($login) = @_;	1680	my ($login) = @_;
1370		1681
1371	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1373	}	1684	}
1374		1685
1375	sub find($) {	1686	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1688	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1701	or return;
1391		1702
1392	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1393	or return;	1704	or return;
		1705
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1397	}	1709	}
1398	}	1710	}
1399	}	1711	}
1400		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
		1725
1401	sub save($) {	1726	sub save($) {
1402	my ($pl) = @_;	1727	my ($pl) = @_;
1403		1728
1404	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1405		1730
…		…
1408		1733
1409	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1410		1735
1411	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1743
1414	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1745	cf::cede_to_tick;
1416	}	1746	}
1417		1747
…		…
1449	my ($pl) = @_;	1779	my ($pl) = @_;
1450		1780
1451	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1452		1782
1453	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1785
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1459	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1460		1794
1461	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1501		1835
1502	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1503	my $path = path $login;	1837	my $path = path $login;
1504		1838
1505	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1845	}
1511		1846
…		…
1515		1850
1516	\@logins	1851	\@logins
1517	}	1852	}
1518		1853
1519	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1520		1857
1521	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1522	player. May block.	1859	player. May block.
1523		1860
1524	=cut	1861	=cut
…		…
1542	}	1879	}
1543		1880
1544	\@paths	1881	\@paths
1545	}	1882	}
1546		1883
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1885
1549	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1887
1640	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1641		1889
1642	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1643		1891
…		…
1675		1923
1676	=cut	1924	=cut
1677		1925
1678	sub find_by_path($) {	1926	sub find_by_path($) {
1679	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1680		1930
1681	my ($match, $specificity);	1931	my ($match, $specificity);
1682		1932
1683	for my $region (list) {	1933	for my $region (list) {
1684	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1710	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1712		1962
1713	sub generate_random_map {	1963	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1715	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1716	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1720	$rmp->{exit_on_final_map},
1721	$rmp->{xsize}, $rmp->{ysize},
1722	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1723	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1724	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1725	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1726	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1727	(cf::region::find $rmp->{region}), $rmp->{custom}
1728	)
1729	}	1969	}
1730		1970
1731	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1732		1972
1733	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1738		1978
1739	sub register {	1979	sub register {
1740	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1741	my $pkg = caller;	1981	my $pkg = caller;
1742		1982
1743	no strict;
1744	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1745		1984
1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1747	}	1986	}
1748		1987
1749	# also paths starting with '/'	1988	# also paths starting with '/'
1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1751		1990
1752	sub thawer_merge {	1991	sub thawer_merge {
1753	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1754		1993
1755	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1760	}	1999	}
1761		2000
1762	sub normalise {	2001	sub normalise {
1763	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1764		2003
1765	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1766		2005
1767	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1768		2007
1769	# map plan:	2008	# map plan:
1770	#	2009	#
…		…
1785	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1786	$path = "$base/$path";	2025	$path = "$base/$path";
1787	}	2026	}
1788		2027
1789	for ($path) {	2028	for ($path) {
1790	redo if s{//}{/};
1791	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1792	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1793	}	2031	}
1794		2032
1795	$path	2033	$path
…		…
1809	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1810	return $self;	2048	return $self;
1811	}	2049	}
1812	}	2050	}
1813		2051
1814	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1815	()	2053	()
1816	}	2054	}
1817		2055
		2056	# may re-bless or do other evil things
1818	sub init {	2057	sub init {
1819	my ($self) = @_;	2058	my ($self) = @_;
1820		2059
1821	$self	2060	$self
1822	}	2061	}
…		…
1841		2080
1842	# the temporary/swap location	2081	# the temporary/swap location
1843	sub save_path {	2082	sub save_path {
1844	my ($self) = @_;	2083	my ($self) = @_;
1845		2084
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1848	}	2087	}
1849		2088
1850	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1851	sub uniq_path {	2090	sub uniq_path {
1852	my ($self) = @_;	2091	my ($self) = @_;
1853		2092
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	2095	}
1866		2096
1867	sub decay_objects {	2097	sub decay_objects {
1868	my ($self) = @_;	2098	my ($self) = @_;
1869		2099
…		…
1896	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1897		2127
1898	1	2128	1
1899	}	2129	}
1900		2130
		2131	# used to laod the header of an original map
1901	sub load_header_orig {	2132	sub load_header_orig {
1902	my ($self) = @_;	2133	my ($self) = @_;
1903		2134
1904	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1905	}	2136	}
1906		2137
		2138	# used to laod the header of an instantiated map
1907	sub load_header_temp {	2139	sub load_header_temp {
1908	my ($self) = @_;	2140	my ($self) = @_;
1909		2141
1910	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1911	}	2143	}
1912		2144
		2145	# called after loading the header from an instantiated map
1913	sub prepare_temp {	2146	sub prepare_temp {
1914	my ($self) = @_;	2147	my ($self) = @_;
1915		2148
1916	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1917	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1918	# safety	2151	# safety
1919	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1920	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1921	}	2154	}
1922		2155
		2156	# called after loading the header from an original map
1923	sub prepare_orig {	2157	sub prepare_orig {
1924	my ($self) = @_;	2158	my ($self) = @_;
1925		2159
1926	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1927	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1951		2185
1952	sub find;	2186	sub find;
1953	sub find {	2187	sub find {
1954	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1955		2189
		2190	cf::cede_to_tick;
		2191
1956	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1957		2193
1958	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1960		2196
1961	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1966	or return;	2199	or return;
1967		2200
1968	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1969		2202
…		…
1971	or return;	2204	or return;
1972		2205
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
1976	undef $guard1;	2210	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2211	$map->reset;
1979	return find $path;	2212	return find $path;
1980	}	2213	}
1981		2214
1982	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1983	}	2216	}
1984	}	2217	}
1985		2218
1986	sub pre_load { }	2219	sub pre_load { }
1987	sub post_load { }	2220	#sub post_load { } # XS
1988		2221
1989	sub load {	2222	sub load {
1990	my ($self) = @_;	2223	my ($self) = @_;
1991		2224
1992	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1995		2228
1996	{	2229	{
1997	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1998		2231
1999	return unless $self->valid;	2232	return unless $self->valid;
2000	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2001
2002	$self->in_memory (cf::MAP_LOADING);
2003		2234
2004	$self->alloc;	2235	$self->alloc;
2005		2236
2006	$self->pre_load;	2237	$self->pre_load;
2007	cf::cede_to_tick;	2238	cf::cede_to_tick;
2008		2239
		2240	if (exists $self->{load_path}) {
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2242	$f->skip_block;
2011	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2012	or return;	2244	or return;
2013		2245
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
2015	if delete $self->{load_original};	2247	if delete $self->{load_original};
2016		2248
2017	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2250	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2020	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2021	$self->clear_unique_items;	2253	$self->clear_unique_items;
2022	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2023	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2024	}	2257	}
2025	}	2258	}
2026	}
2027		2259
2028	$f->resolve_delayed_derefs;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
2029		2267
2030	cf::cede_to_tick;	2268	cf::cede_to_tick;
2031	# now do the right thing for maps	2269	# now do the right thing for maps
2032	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2033	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2037	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2276	$self->decay_objects;
2039	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2040	$self->update_buttons;	2278	$self->update_buttons;
2041	cf::cede_to_tick;	2279	cf::cede_to_tick;
2042	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2043	cf::cede_to_tick;
2044	$self->activate;
2045	}	2281	}
2046		2282
2047	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2049
2050	$self->in_memory (cf::MAP_IN_MEMORY);
2051	}	2285	}
2052		2286
2053	$self->post_load;	2287	$self->post_load;
2054	}
2055		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2056	sub customise_for {	2295	sub customise_for {
2057	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2058		2297
2059	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2060	if $self->per_player;	2299	if $self->per_player;
…		…
2063	# if $self->per_party;	2302	# if $self->per_party;
2064		2303
2065	$self	2304	$self
2066	}	2305	}
2067		2306
2068	# find and load all maps in the 3x3 area around a map
2069	sub load_neighbours {
2070	my ($map) = @_;
2071
2072	my @neigh; # diagonal neighbours
2073
2074	for (0 .. 3) {
2075	my $neigh = $map->tile_path ($_)
2076	or next;
2077	$neigh = find $neigh, $map
2078	or next;
2079	$neigh->load;
2080
2081	push @neigh,
2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2084	}
2085
2086	for (grep defined $_->[0], @neigh) {
2087	my ($path, $origin) = @$_;
2088	my $neigh = find $path, $origin
2089	or next;
2090	$neigh->load;
2091	}
2092	}
2093
2094	sub find_sync {	2307	sub find_sync {
2095	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2096		2309
2097	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
2098	}	2315	}
2099		2316
2100	sub do_load_sync {	2317	sub do_load_sync {
2101	my ($map) = @_;	2318	my ($map) = @_;
2102		2319
		2320	# it's a bug to call this from the main context
2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2104	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2105		2323
2106	cf::sync_job { $map->load };	2324	$map->load;
2107	}	2325	}
2108		2326
2109	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2110	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2111		2329
2112	sub find_async {	2330	sub find_async {
2113	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2114		2332
2115	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2116		2334
2117	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
2119	}	2337	}
2120		2338
2121	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2122		2340
2123	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2137	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2138		2356
2139	()	2357	()
2140	}	2358	}
2141		2359
		2360	# common code, used by both ->save and ->swapout
2142	sub save {	2361	sub _save {
2143	my ($self) = @_;	2362	my ($self) = @_;
2144
2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
2146		2363
2147	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2148		2365
2149	return unless $self->dirty;	2366	return unless $self->dirty;
2150		2367
…		…
2159		2376
2160	cf::async {	2377	cf::async {
2161	$Coro::current->{desc} = "map player save";	2378	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2163	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2164		2383
2165	if ($uniq) {	2384	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2387	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2389	}
2171	}	2390	}
2172		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2173	sub swap_out {	2400	sub swap_out {
2174	my ($self) = @_;	2401	my ($self) = @_;
2175		2402
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2181	return if $self->players;	2407	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2183	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2184		2426
		2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2429
		2430	$time + $to
		2431	}
		2432
		2433	sub should_reset {
		2434	my ($self) = @_;
		2435
		2436	$self->reset_at <= $cf::RUNTIME
		2437	}
		2438
		2439	sub reset {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	return if $self->players;
		2445
		2446	cf::trace "resetting map ", $self->path, "\n";
		2447
2185	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
		2457
		2458	delete $cf::MAP{$self->path};
2186		2459
2187	$self->deactivate;	2460	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2462	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2463
2235	$self->unlink_save;	2464	$self->unlink_save;
2236	$self->destroy;	2465	$self->destroy;
2237	}	2466	}
2238		2467
…		…
2246		2475
2247	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2248		2477
2249	$self->unlink_save;	2478	$self->unlink_save;
2250		2479
2251	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2485
…		…
2305		2534
2306	sub unique_maps() {	2535	sub unique_maps() {
2307	[	2536	[
2308	map {	2537	map {
2309	utf8::decode $_;	2538	utf8::decode $_;
2310	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2311	? normalise $_	2542	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2544	]
2315	}	2545	}
2316		2546
2317	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
2318		2578
2319	=back	2579	=back
2320		2580
2321	=head3 cf::object	2581	=head3 cf::object
2322		2582
…		…
2326		2586
2327	=over 4	2587	=over 4
2328		2588
2329	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2330		2590
2331	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2332		2593
2333	=cut	2594	=cut
2334		2595
2335	sub inv_recursive_;	2596	sub inv_recursive_;
2336	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2342	}	2603	}
2343		2604
2344	=item $ref = $ob->ref	2605	=item $ref = $ob->ref
2345		2606
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2607	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2608
2348	=item $ob = cf::object::deref ($refstring)	2609	=item $ob = cf::object::deref ($refstring)
2349		2610
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2612	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2385		2646
2386	=cut	2647	=cut
2387		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
		2662
2388	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2664	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2680
2406	} else {	2681	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2684	}
2410	}	2685	}
2411	}	2686	}
2412		2687
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2713
2439	=item $player_object->enter_link	2714	=item $player_object->enter_link
2440		2715
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2717
2443	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
2445		2722
2446	Will never block.	2723	Will never block.
2447		2724
2448	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2449		2726
…		…
2469	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2470	my ($self) = @_;	2747	my ($self) = @_;
2471		2748
2472	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2473		2750
		2751	++$self->{_link_recursion};
		2752
2474	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2475		2754
2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2477	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2478		2757
2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2480	}	2759	}
2481		2760
2482	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2483	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2484		2763
…		…
2501	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2502	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2503		2782
2504	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2505	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2506	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2507		2786
2508	$map->load;	2787	$map->load;
2509	$map->load_neighbours;
2510		2788
2511	return unless $self->contr->active;	2789	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2790
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2516	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2517		2798
		2799	}
		2800
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2519		2802
2520	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2807	be called at the end of this process.
2525		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
2526	=cut	2812	=cut
2527		2813
2528	our $GOTOGEN;	2814	our $GOTOGEN;
2529		2815
2530	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2531	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
2532		2824
2533	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2535		2827
2536	$self->enter_link;	2828	$self->enter_link;
…		…
2556	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2557	}	2849	}
2558	}	2850	}
2559		2851
2560	my $map = eval {	2852	my $map = eval {
2561	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2562		2854
2563	if ($map) {	2855	if ($map) {
2564	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2565	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2566	} else {	2858	} else {
2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568	}	2860	}
2569		2861
2570	$map	2862	$map
…		…
2578	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2579	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2580	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2581	}	2873	}
2582		2874
2583	$done->() if $done;	2875	$done->($self) if $done;
2584	})->prio (1);	2876	})->prio (1);
2585	}	2877	}
2586		2878
2587	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2588		2880
…		…
2608	}	2900	}
2609		2901
2610	sub prepare_random_map {	2902	sub prepare_random_map {
2611	my ($exit) = @_;	2903	my ($exit) = @_;
2612		2904
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2907	# that depends on the exit object
2618		2908
2619	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2911	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2626	}	2918	}
2627		2919
2628	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2629		2921
2630	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2633		2925
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2928	undef $fh;
2637	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2638		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2641	}	2937	}
2642	}	2938	}
2643		2939
2644	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2646		2942
2647	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2648		2944
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2945	$self->enter_link;
2661		2946
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2947	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2668		2949
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2671	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2672		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2673	1;	2986	1
2674	}) {	2987	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2992
2680	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2681	$self->leave_link;	2994	$self->leave_link;
2682	}	2995	}
2683	})->prio (1);	2996	})->prio (1);
2684	}	2997	}
2685		2998
…		…
2697	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2698	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2699		3012
2700	utf8::encode $text;	3013	utf8::encode $text;
2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2702	}	3040	}
2703		3041
2704	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2705		3043
2706	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2710		3048
2711	=cut	3049	=cut
2712		3050
2713	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2714	our %CHANNEL = (	3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
2715	"c/identify" => {	3059	"c/identify" => {
2716	id => "infobox",	3060	id => "infobox",
2717	title => "Identify",	3061	title => "Identify",
2718	reply => undef,	3062	reply => undef,
2719	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	3065	"c/examine" => {
2722	id => "infobox",	3066	id => "infobox",
2723	title => "Examine",	3067	title => "Examine",
2724	reply => undef,	3068	reply => undef,
2725	tooltip => "Signs and other items you examined",	3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
2726	},	3076	},
2727	"c/book" => {	3077	"c/book" => {
2728	id => "infobox",	3078	id => "infobox",
2729	title => "Book",	3079	title => "Book",
2730	reply => undef,	3080	reply => undef,
…		…
2746	id => "infobox",	3096	id => "infobox",
2747	title => "Body Parts",	3097	title => "Body Parts",
2748	reply => undef,	3098	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2750	},	3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
2751	"c/uptime" => {	3137	"c/uptime" => {
2752	id => "infobox",	3138	id => "infobox",
2753	title => "Uptime",	3139	title => "Uptime",
2754	reply => undef,	3140	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	3144	id => "infobox",
2759	title => "Map Info",	3145	title => "Map Info",
2760	reply => undef,	3146	reply => undef,
2761	tooltip => "Information related to the maps",	3147	tooltip => "Information related to the maps",
2762	},	3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
2763	);	3163	);
2764		3164
2765	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2767		3167
2768	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2769		3170
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		3172
2772	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2775		3176
2776	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	3178	$channel = $channel->{id};
2780		3179
2781	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	3185	}
2788		3186
2789	$channel = $channel->{id};	3187	$channel = $channel->{id};
2790	}	3188	}
2791		3189
2792	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2793		3191
2794	if ($self->can_msg) {
2795	# default colour, mask it out	3192	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2798		3195
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	3199	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		3200
2813	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2814
2815	utf8::encode $msg;
2816
2817	if (0 && $msg =~ /\[/) {
2818	# COMMAND/INFO
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}
2826	}	3202	}
2827		3203
2828	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2829		3205
2830	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2833		3209
2834	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2835	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2836		3212
2837	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2840	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842	}	3218	}
2843	}	3219	}
2844		3220
2845	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2846		3222
…		…
2849	=cut	3225	=cut
2850		3226
2851	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2852	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2853		3229
2854	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856	} elsif ($self->extcmd == 1) {
2857	#TODO: version 1, remove
2858	unshift @msg, msgtype => "reply", msgid => $id;
2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860	}
2861	}	3233	}
2862		3234
2863	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2864		3236
2865	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2920	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2921		3293
2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2923		3295
2924	if (ref $msg) {	3296	if (ref $msg) {
2925	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2926	"ARRAY" eq ref $msg
2927	? @$msg
2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2929		3298
2930	my @reply;	3299	my @reply;
2931		3300
2932	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2933	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2935		3304
2936	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2937	if $reply;	3306	if $reply;
2938		3307
2939	} else {	3308	} else {
2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2941	}	3310	}
2942		3311
2943	cf::override;	3312	cf::override;
2944	},	3313	},
2945	);	3314	);
…		…
2965		3334
2966	$coro	3335	$coro
2967	}	3336	}
2968		3337
2969	cf::client->attach (	3338	cf::client->attach (
2970	on_destroy => sub {	3339	on_client_destroy => sub {
2971	my ($ns) = @_;	3340	my ($ns) = @_;
2972		3341
2973	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2974	},	3343	},
2975	);	3344	);
…		…
2991	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2992		3361
2993	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2994		3363
2995	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
2996	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
2997	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
2998	sort time	3367	sort time
2999	));	3368	));
3000		3369
3001	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3004		3373
3005	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3006		3375
3007	cf::object	3376	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
3010		3380
3011	cf::object::player	3381	cf::object::player
3012	player	3382	player
3013		3383
3014	cf::player	3384	cf::player
…		…
3019		3389
3020	=cut	3390	=cut
3021		3391
3022	for (	3392	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3029	) {	3399	) {
3030	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3033	for @funs;	3402	for @funs;
3034	}	3403	}
3035		3404
…		…
3050		3419
3051	my $qcode = $code;	3420	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3054		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3055	local $_;	3427	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;
3057		3428
3058	my $eval =	3429	my $eval =
3059	"do {\n"	3430	"do {\n"
3060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3061	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3062	. $code	3433	. $code
3063	. "\n}"	3434	. "\n}"
3064	;	3435	;
3065		3436
		3437	if ($CFG{safe_eval}) {
3066	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3068	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3069		3446
3070	if ($@) {	3447	if ($@) {
3071	warn "$@";	3448	warn "$@",
3072	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3073	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3074	}	3451	}
3075		3452
3076	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3077	}	3454	}
3078		3455
…		…
3092	=cut	3469	=cut
3093		3470
3094	sub register_script_function {	3471	sub register_script_function {
3095	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3096		3473
3097	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3099	}	3476	}
3100		3477
3101	=back	3478	=back
3102		3479
3103	=cut	3480	=cut
…		…
3112	# for this (global event?)	3489	# for this (global event?)
3113	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3114		3491
3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3116		3493
3117	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3118		3495
3119	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3120	0 < aio_load $path, $facedata
3121	or die "$path: $!";
3122
3123	$facedata = Coro::Storable::thaw $facedata;
3124		3497
3125	$facedata->{version} == 2	3498	$facedata->{version} == 2
3126	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3127		3500
3128	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3129	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3130	type => FT_RSRC,	3504	type => FT_RSRC,
3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
3132	};	3507	};
3133	cf::cede_to_tick;	3508	cf::cede_to_tick;
3134		3509
3135	{	3510	{
3136	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
3137		3512
3138	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
3140	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3144		3521
3145	cf::cede_to_tick;	3522	cf::cede_to_tick;
3146	}	3523	}
3147		3524
3148	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
3150	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
3151	or next;	3529	or next;
		3530
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3534	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3157	}	3536	}
3158		3537
3159	cf::cede_to_tick;	3538	cf::cede_to_tick;
3160	}	3539	}
3161	}	3540	}
…		…
3170		3549
3171	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3172	}	3551	}
3173		3552
3174	{	3553	{
3175	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3178		3555
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;
3184		3560
3185	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3186	# prepend meta info	3562	cf::face::set_type $idx, $type;
3187		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3188	my $meta = $enc->encode ({
3189	name => $name,
3190	%{ $info->{meta} || {} },
3191	});
3192
3193	$data = pack "(w/a*)*", $meta, $info->{data};
3194	} else {	3564	} else {
3195	$data = $info->{data};	3565	# $RESOURCE{$name} = $info; # unused
3196	}	3566	}
3197		3567
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3568	cf::cede_to_tick;
3202	}	3569	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3573
3223	1	3574	1
3224	}	3575	}
3225		3576
3226	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
…		…
3228		3579
3229	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3231	}	3582	}
3232	};	3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
3233		3594
3234	sub reload_regions {	3595	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3597	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3612	}
3252		3613
3253	sub reload_archetypes {	3614	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3617	}
3262		3618
3263	sub reload_treasures {	3619	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3266	}	3622	}
3267		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
3268	sub reload_resources {	3644	sub reload_resources {
3269	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3270		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3271	reload_regions;	3652	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3653	reload_treasures;
3276		3654
3277	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3278	}
3279
3280	sub init {
3281	reload_resources;
3282	}	3656	}
3283		3657
3284	sub reload_config {	3658	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3286	or return;
3287		3660
3288	local $/;	3661	my $config = load_file "$CONFDIR/config";
3289	*CFG = YAML::Syck::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3290		3664
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3292		3666
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3295		3669
3296	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3300	};	3674	};
3301	warn $@ if $@;	3675	warn $@ if $@;
3302	}	3676	}
3303	}	3677	}
3304		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3305	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
3306	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3720	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3722	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3313	};	3724	};
3314		3725
		3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
3315	reload_config;	3738	reload_config;
3316	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
3317	load_extensions;	3749	load_extensions;
3318		3750
3319	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3321	}	3768	}
3322		3769
3323	#############################################################################	3770	#############################################################################
3324	# initialisation and cleanup	3771	# initialisation and cleanup
3325		3772
3326	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3327	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3336	},
3337	);	3779	};
3338	}	3780	}
3339	}	3781	}
3340		3782
3341	sub write_runtime {	3783	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3343		3785
3344	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3346		3788
3347	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3790
3349	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3350		3792
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3352	or return;	3794	or return;
3353		3795
3354	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3367		3809
3368	close $fh	3810	close $fh
3369	or return;	3811	or return;
3370		3812
3371	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3814	and return;
3373		3815
3374	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3375		3817
3376	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3377	}	3869	}
3378		3870
3379	sub emergency_save() {	3871	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3381		3873
3382	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3383		3880
3384	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3385	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3890	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3892	$pl->save;
3394	}	3893	}
3395	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3396		3895
3397	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3901	$map->valid or next;
3401	$map->save;	3902	$map->save;
3402	}	3903	}
3403	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3404		3905
3405	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3408	};	3934	};
3409		3935
3410	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3411	}	3937	}
3412		3938
3413	sub post_cleanup {	3939	sub post_cleanup {
3414	my ($make_core) = @_;	3940	my ($make_core) = @_;
3415		3941
		3942	IO::AIO::flush;
		3943
3416	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3418	}	3974	}
3419		3975
3420	sub do_reload_perl() {	3976	sub do_reload_perl() {
3421	# can/must only be called in main	3977	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3423	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3424	return;	3980	return;
3425	}	3981	}
3426		3982
3427	warn "reloading...";	3983	return if $RELOAD++;
3428		3984
3429	warn "entering sync_job";	3985	my $t1 = AE::time;
3430		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3431	cf::sync_job {	3993	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark
3433	cf::emergency_save;	3994	#cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark
3435		3995
3436	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;
3438
3439	# if anything goes wrong in here, we should simply crash as we already saved
3440
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;
3452	warn "iterate...";
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();	3998	%EXT_CORO = ();
3460		3999
3461	warn "removing commands";	4000	trace "perl_reload: removing commands";
3462	%COMMAND = ();	4001	%COMMAND = ();
3463		4002
3464	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3465	%EXTCMD = ();	4004	%EXTCMD = ();
3466	%EXTICMD = ();	4005	%EXTICMD = ();
3467		4006
3468	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3471		4010
3472	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3473	eval {	4012	eval {
3474	$cb->($pkg);	4013	$cb->($pkg);
3475	1	4014	1
3476	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3477	}	4020	}
3478		4021
3479	warn "... nuking $pkg";
3480	Symbol::delete_package $pkg;
3481	}
3482
3483	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3484	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		4025
3487	warn "... unloading $k";	4026	trace "... unloading $k";
3488	delete $INC{$k};	4027	delete $INC{$k};
3489		4028
3490	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3492		4031
3493	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3494	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3495	}	4037	}
3496		4038
3497	Symbol::delete_package $k;
3498	}
3499
3500	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		4042
3504	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		4046
3508	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3509	# and global variables created in xs	4048	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3511		4050
3512	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3513		4052
3514	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3515	require cf;	4054	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3517		4056
3518	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3519	cf::reload_config;	4058	cf::reload_config;
3520		4059
3521	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3522	cf::load_extensions;	4061	cf::load_extensions;
3523		4062
		4063	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3527	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3530		4071
3531	warn "leaving sync_job";	4072	cf::_post_init 1;
3532		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3533	1	4076	1
3534	} or do {	4077	} or do {
3535	warn $@;	4078	error $@;
3536	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3537	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3538	};	4083	}
3539		4084
3540	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3541	};	4087	};
3542		4088
3543	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3544		4090
3545	sub reload_perl() {	4091	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3548		4094
3549	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	4097
3552	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	4099	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3556	},	4101	};
3557	);	4102	};
3558	}	4103	}
3559		4104
3560	register_command "reload" => sub {	4105	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3562		4107
…		…
3567	reload_perl;	4112	reload_perl;
3568	};	4113	};
3569	}	4114	}
3570	};	4115	};
3571		4116
3572	unshift @INC, $LIBDIR;	4117	#############################################################################
3573		4118
3574	my $bug_warning = 0;	4119	my $bug_warning = 0;
3575		4120
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4121	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4123
3583	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4125	}
3587		4126
3588	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4129
3592	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4132	$signal->wait;
3595	}	4133	}
3596		4134
3597	$TICK_WATCHER = Event->timer (	4135	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3607	return;	4139	return;
3608	}	4140	}
3609		4141
3610	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3611		4143
3612	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3613		4145
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4148	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4150	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3623	};
3624	}	4152	};
		4153	}
3625		4154
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4156	$sig->send;
3628	}	4157	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3630	$sig->send;
3631	}
3632		4159
3633	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		4162
3644	_post_tick;	4163	if (0) {
		4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3645	},	4169	}
3646	);	4170	}
3647		4171
3648	{	4172	{
		4173	# configure BDB
		4174
3649	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3650	BDB::max_poll_time $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		4178
3675	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		4186
3682	cf::sync_job {	4187	cf::sync_job {
3683	eval {	4188	eval {
…		…
3693		4198
3694	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	4200	};
3696	}	4201	}
3697		4202
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	4205	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	4208	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	4211	};
3728	}	4212	}
3729		4213
3730	{	4214	{
		4215	# configure IO::AIO
		4216
3731	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	4220	}
3744		4221
3745	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3746		4224
3747	sub _log_backtrace {	4225	sub _log_backtrace {
3748	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3749		4227
3750	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3751		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3752	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3754	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3755	async {	4238	async {
3756	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3757		4240
3758	my @bt = fork_call {	4241	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4253	}
3771		4254
3772	@funcs	4255	@funcs
3773	};	4256	};
3774		4257
3775	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4261	--$_log_backtrace;
3778	};	4262	};
3779	} else {	4263	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3782	}	4266	}
3783	}	4267	}
3784		4268
3785	# load additional modules	4269	# load additional modules
3786	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3787		4272
3788	END { cf::emergency_save }	4273	END { cf::emergency_save }
3789		4274
3790	1	4275	1
3791		4276

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