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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 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 $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
162		240
163	The raw value load value from the last tick.	241	The raw value load value from the last tick.
164		242
165	=item %cf::CFG	243	=item %cf::CFG
166		244
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	275	that call.
181		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
198		317
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	328	for my $pkg (qw(
210	cf::global cf::attachable	329	cf::global cf::attachable
211	cf::object cf::object::player	330	cf::object cf::object::player
212	cf::client cf::player	331	cf::client cf::player
213	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
214	cf::map cf::party cf::region	334	cf::party cf::region
215	)) {	335	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	337	}
219		338
220	$Event::DIED = sub {	339	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
253	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
254		392
255	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
256		394
257	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
258		396
259	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
260		398
261	=cut	399	=cut
262		400
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		402
265	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
267		467
268	=item cf::lock_wait $string	468	=item cf::lock_wait $string
269		469
270	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
271		471
272	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
273		473
274	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
277	returned.	477	returned.
278		478
279	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	480	deadlocked coro.
…		…
286		486
287	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
288		488
289	=cut	489	=cut
290		490
291	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		492
294	sub lock_wait($) {	493	sub lock_wait($) {
295	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	495	}
308		496
309	sub lock_acquire($) {	497	sub lock_acquire($) {
310	my ($key) = @_;	498	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	499	}
324		500
325	sub lock_active($) {	501	sub lock_active($) {
326	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	503	}
330		504
331	sub freeze_mainloop {	505	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
333		507
334	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	509	}
336	};	510
337	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
338	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
339	}	524	}
340		525
341	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
342		527
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
346		535
347	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
349		538
350	Useful for short background jobs.	539	Useful for short background jobs.
351		540
352	=cut	541	=cut
353		542
354	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
356		546
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
360		550
361	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
362		553
363	while () {	554	while () {
364	next_job:	555	next_job:
		556
365	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	558
367	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	563	$job->[2]->send;
371	Coro::cede;	564	Coro::cede;
372	goto next_job;	565	goto next_job;
373	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	568	}
375	}	569	}
376		570
377	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	574	} else {
		575	$busy = 0;
382	Coro::schedule;	576	Coro::schedule;
383	}	577	}
384	}	578	}
385	};	579	};
386		580
387	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
388	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
389		585
390	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
391	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
392		589
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
406		603
407	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
408		605
409	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
410		607
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	611	acceptable.
415		612
416	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	618	=cut
422		619
423	sub sync_job(&) {	620	sub sync_job(&) {
424	my ($job) = @_;	621	my ($job) = @_;
425		622
426	if ($Coro::current == $Coro::main) {	623	if (in_main) {
427	my $time = Event::time;	624	my $time = AE::time;
428		625
429	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
431		628
432	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
433		630
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
437		632
438	my $busy = 1;	633	my $busy = 1;
439	my @res;	634	my @res;
440		635
441	(async {	636	(async {
442	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	638	@res = eval { $job->() };
444	warn $@ if $@;	639	error $@ if $@;
445	undef $busy;	640	undef $busy;
446	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
447		642
448	while ($busy) {	643	while ($busy) {
449	if (Coro::nready) {	644	if (Coro::nready) {
450	Coro::cede_notself;	645	Coro::cede_notself;
451	} else {	646	} else {
452	Event::one_event;	647	EV::loop EV::LOOP_ONESHOT;
453	}	648	}
454	}	649	}
455		650
456	$time = Event::time - $time;	651	my $time = AE::time - $time;
457		652
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	653	$TICK_START += $time; # do not account sync jobs to server load
462		654
463	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
464	} else {	656	} else {
465	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
466		658
…		…
486	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
487		679
488	$coro	680	$coro
489	}	681	}
490		682
491	=item fork_call { }, $args	683	=item fork_call { }, @args
492		684
493	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
497		689
498	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
499		695
500	sub fork_call(&@) {	696	sub fork_call(&@) {
501	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
502		698
503	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
506		702
507	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
508	reset_signals;	704	cf::post_fork;
509	&$cb	705	&$cb
510	}, @args;	706	} @args;
511		707
512	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
513	}	747	}
514		748
515	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
516		750
517	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
527	within each server.	761	within each server.
528		762
529	=cut	763	=cut
530		764
531	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
532	my ($name) = @_;	769	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
534		771
535	eval {	772	eval {
536	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
546	}	783	}
547		784
548	our $DB;	785	our $DB;
549		786
550	sub db_init {	787	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	788	$DB ||= db_table "db";
553	};
554	}	789	}
555		790
556	sub db_get($$) {	791	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
558		793
559	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
560	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
561		798
562	$! ? ()	799	$! ? ()
563	: $data	800	: $data
564	}
565	}	801	}
566		802
567	sub db_put($$$) {	803	sub db_put($$$) {
568	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		833
598	my @data;	834	my @data;
599	my $md5;	835	my $md5;
600		836
601	for (0 .. $#$src) {	837	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	839	}
605		840
606	# if processing is expensive, check	841	# if processing is expensive, check
607	# checksum first	842	# checksum first
608	if (1) {	843	if (1) {
…		…
625		860
626	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	862	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
629		864
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		866
632	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
635		870
…		…
645		880
646	=cut	881	=cut
647		882
648	sub datalog($@) {	883	sub datalog($@) {
649	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	886	}
652		887
653	=back	888	=back
654		889
655	=cut	890	=cut
656		891
657	#############################################################################	892	#############################################################################
658		893
659	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
660		895
661	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
664		899
665	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	902	Deliantra).
668		903
669	=over 4	904	=over 4
670		905
671	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
672		907
…		…
716	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
717		952
718	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
720		955
721	Some classes such as crossfire maps and objects can specify attachments	956	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.	957	that are attached at load/instantiate time, thus the need for a name.
723		958
724	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
725		960
726	=over 4	961	=over 4
…		…
850		1085
851	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1088
854	} elsif (ref $type) {	1089	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
856		1091
857	} else {	1092	} else {
858	shift @arg;	1093	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
860	}	1095	}
861	}	1096	}
862	}	1097	}
863		1098
864	sub _object_attach {	1099	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
875	}	1110	}
876		1111
877	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
878	} else {	1113	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1115	}
881		1116
882	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
883	}	1118	}
884		1119
…		…
943		1178
944	for (@$callbacks) {	1179	for (@$callbacks) {
945	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
946		1181
947	if ($@) {	1182	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1184	override;
951	}	1185	}
952		1186
953	return 1 if $override;	1187	return 1 if $override;
954	}	1188	}
955		1189
956	0	1190	0
957	}	1191	}
958		1192
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1194
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1196
963	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
964		1198
…		…
1017		1251
1018	sub reattach {	1252	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1254	my ($obj) = @_;
1021		1255
		1256	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1258
1024	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1025		1260
1026	@$registry = ();	1261	@$registry = ();
1027		1262
…		…
1032	for (@$attach) {	1267	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1035	}	1270	}
1036	} else {	1271	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1273	}
1039	}	1274	}
1040	}	1275	}
1041		1276
1042	cf::attachable->attach (	1277	cf::attachable->attach (
1043	prio => -1000000,	1278	prio => -1000000,
1044	on_instantiate => sub {	1279	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1046		1281
1047	$data = from_json $data;	1282	$data = decode_json $data;
1048		1283
1049	for (@$data) {	1284	for (@$data) {
1050	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1051		1286
1052	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1070		1305
1071	sync_job {	1306	sync_job {
1072	if (length $$rdata) {	1307	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1076		1312
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1081	close $fh;	1320	aio_close $fh;
1082		1321
1083	if (@$objs) {	1322	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1089	close $fh;	1331	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1333	}
1092	} else {	1334	} else {
1093	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1094	}	1336	}
1095		1337
1096	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1342	} else {
1098	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1099	}	1344	}
1100	} else {	1345	} else {
1101	aio_unlink $filename;	1346	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1103	}	1348	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1373	$av = $st->{objs};
1129	}	1374	}
1130		1375
1131	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1134		1380
1135	($data, $av)	1381	($data, $av)
1136	}	1382	}
1137		1383
1138	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1195		1441
1196	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1197	}	1443	}
1198		1444
		1445	use File::Glob ();
		1446
1199	cf::player->attach (	1447	cf::player->attach (
1200	on_command => sub {	1448	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1202		1450
1203	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1204	or return;	1452	or return;
1205		1453
…		…
1213	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1214		1462
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1464
1217	if (ref $msg) {	1465	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1466	my ($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		1467
1223	my @reply;	1468	my @reply;
1224		1469
1225	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1228		1473
1229	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1475	if $reply;
1231		1476
1232	} else {	1477	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1479	}
1235		1480
1236	cf::override;	1481	cf::override;
1237	},	1482	},
1238	);	1483	);
1239		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1240	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1241	cf::sync_job {	1501	cf::sync_job {
1242	my %todo;	1502	my %todo;
1243		1503
1244	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1505	next unless -r $path;
…		…
1263		1523
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1526
1267	$ext{source} =	1527	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1270	. $source	1530	. $source
1271	. "\n};\n1";	1531	. "\n};\n1";
1272		1532
1273	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1274	}	1534	}
1275		1535
		1536	my $pass = 0;
1276	my %done;	1537	my %done;
1277	while (%todo) {	1538	while (%todo) {
1278	my $progress;	1539	my $progress;
1279		1540
		1541	++$pass;
		1542
		1543	ext:
1280	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1546	next ext
1283	unless exists $done{$_};	1547	unless exists $done{$_};
1284	}	1548	}
1285		1549
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1551
1288	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1293	warn $msg;	1559
1294	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1561	delete $todo{$k};
1296	}	1562	} else {
1297		1563	$done{$k} = delete $todo{$k};
1298	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1299	}	1569	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1570	}
1305		1571
1306	skip:	1572	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1309	}	1582	}
1310	};	1583	};
1311	}	1584	}
1312		1585
1313	#############################################################################	1586	#############################################################################
1314		1587
1315	=back	1588	=back
1316		1589
1317	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1318		1591
1319	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1320		1593
1321	=cut	1594	=cut
1322		1595
1323	package cf::player;	1596	package cf::player;
1324		1597
…		…
1367		1640
1368	sub exists($) {	1641	sub exists($) {
1369	my ($login) = @_;	1642	my ($login) = @_;
1370		1643
1371	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1373	}	1646	}
1374		1647
1375	sub find($) {	1648	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1650	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1663	or return;
1391		1664
1392	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1393	or return;	1666	or return;
		1667
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1397	}	1671	}
1398	}	1672	}
1399	}	1673	}
1400		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
		1687
1401	sub save($) {	1688	sub save($) {
1402	my ($pl) = @_;	1689	my ($pl) = @_;
1403		1690
1404	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1405		1692
…		…
1408		1695
1409	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1410		1697
1411	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1705
1414	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1707	cf::cede_to_tick;
1416	}	1708	}
1417		1709
…		…
1449	my ($pl) = @_;	1741	my ($pl) = @_;
1450		1742
1451	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1452		1744
1453	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1747
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1459	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1460		1756
1461	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1501		1797
1502	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1503	my $path = path $login;	1799	my $path = path $login;
1504		1800
1505	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1807	}
1511		1808
…		…
1515		1812
1516	\@logins	1813	\@logins
1517	}	1814	}
1518		1815
1519	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1520		1819
1521	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1522	player. May block.	1821	player. May block.
1523		1822
1524	=cut	1823	=cut
…		…
1542	}	1841	}
1543		1842
1544	\@paths	1843	\@paths
1545	}	1844	}
1546		1845
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1847
1549	Expand crossfire pod fragments into protocol xml.	1848	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	(?:
1558	\ (.*?)\ (?{ $group = $^N })
1559	| < (??{$interior}) >
1560	)
1561	}x;
1562
1563	sub expand_cfpod {
1564	my ($self, $pod) = @_;
1565
1566	my $xml;
1567
1568	while () {
1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570	$group = $1;
1571
1572	$group =~ s/&/&amp;/g;
1573	$group =~ s/</&lt;/g;
1574
1575	$xml .= $group;
1576	} elsif ($pod =~ m%\G
1577	([BCGHITU])
1578	<
1579	(?:
1580	([^<>]*) (?{ $group = $^N })
1581	| < $interior >
1582	)
1583	>
1584	%gcsx
1585	) {
1586	my ($code, $data) = ($1, $group);
1587
1588	if ($code eq "B") {
1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590	} elsif ($code eq "I") {
1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592	} elsif ($code eq "U") {
1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594	} elsif ($code eq "C") {
1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596	} elsif ($code eq "T") {
1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598	} elsif ($code eq "G") {
1599	my ($male, $female) = split /\|/, $data;
1600	$data = $self->gender ? $female : $male;
1601	$xml .= expand_cfpod ($self, $data);
1602	} elsif ($code eq "H") {
1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605	"")
1606	[$self->{hintmode}];
1607	} else {
1608	$xml .= "error processing '$code($data)' directive";
1609	}
1610	} else {
1611	if ($pod =~ /\G(.+)/) {
1612	warn "parse error while expanding $pod (at $1)";
1613	}
1614	last;
1615	}
1616	}
1617
1618	for ($xml) {
1619	# create single paragraphs (very hackish)
1620	s/(?<=\S)\n(?=\w)/ /g;
1621
1622	# compress some whitespace
1623	s/\s+\n/\n/g; # ws line-ends
1624	s/\n\n+/\n/g; # double lines
1625	s/^\n+//; # beginning lines
1626	s/\n+$//; # ending lines
1627	}
1628
1629	$xml
1630	}
1631
1632	sub hintmode {
1633	$_[0]{hintmode} = $_[1] if @_ > 1;
1634	$_[0]{hintmode}
1635	}
1636		1849
1637	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1638		1851
1639	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1640		1853
…		…
1672		1885
1673	=cut	1886	=cut
1674		1887
1675	sub find_by_path($) {	1888	sub find_by_path($) {
1676	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1677		1892
1678	my ($match, $specificity);	1893	my ($match, $specificity);
1679		1894
1680	for my $region (list) {	1895	for my $region (list) {
1681	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1707	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1709		1924
1710	sub generate_random_map {	1925	sub generate_random_map {
1711	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1712	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1713	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1717	$rmp->{exit_on_final_map},
1718	$rmp->{xsize}, $rmp->{ysize},
1719	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1720	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1721	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1722	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1725	)
1726	}	1931	}
1727		1932
1728	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1729		1934
1730	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1735		1940
1736	sub register {	1941	sub register {
1737	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1738	my $pkg = caller;	1943	my $pkg = caller;
1739		1944
1740	no strict;
1741	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1742		1946
1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744	}	1948	}
1745		1949
1746	# also paths starting with '/'	1950	# also paths starting with '/'
1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1748		1952
1749	sub thawer_merge {	1953	sub thawer_merge {
1750	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1751		1955
1752	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1757	}	1961	}
1758		1962
1759	sub normalise {	1963	sub normalise {
1760	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1761		1965
1762	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1763		1967
1764	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1765		1969
1766	# map plan:	1970	# map plan:
1767	#	1971	#
…		…
1782	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1783	$path = "$base/$path";	1987	$path = "$base/$path";
1784	}	1988	}
1785		1989
1786	for ($path) {	1990	for ($path) {
1787	redo if s{//}{/};
1788	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1789	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1790	}	1993	}
1791		1994
1792	$path	1995	$path
…		…
1806	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1807	return $self;	2010	return $self;
1808	}	2011	}
1809	}	2012	}
1810		2013
1811	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1812	()	2015	()
1813	}	2016	}
1814		2017
		2018	# may re-bless or do other evil things
1815	sub init {	2019	sub init {
1816	my ($self) = @_;	2020	my ($self) = @_;
1817		2021
1818	$self	2022	$self
1819	}	2023	}
…		…
1838		2042
1839	# the temporary/swap location	2043	# the temporary/swap location
1840	sub save_path {	2044	sub save_path {
1841	my ($self) = @_;	2045	my ($self) = @_;
1842		2046
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1845	}	2049	}
1846		2050
1847	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1848	sub uniq_path {	2052	sub uniq_path {
1849	my ($self) = @_;	2053	my ($self) = @_;
1850		2054
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1853	}
1854
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}	2057	}
1863		2058
1864	sub decay_objects {	2059	sub decay_objects {
1865	my ($self) = @_;	2060	my ($self) = @_;
1866		2061
…		…
1893	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1894		2089
1895	1	2090	1
1896	}	2091	}
1897		2092
		2093	# used to laod the header of an original map
1898	sub load_header_orig {	2094	sub load_header_orig {
1899	my ($self) = @_;	2095	my ($self) = @_;
1900		2096
1901	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1902	}	2098	}
1903		2099
		2100	# used to laod the header of an instantiated map
1904	sub load_header_temp {	2101	sub load_header_temp {
1905	my ($self) = @_;	2102	my ($self) = @_;
1906		2103
1907	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1908	}	2105	}
1909		2106
		2107	# called after loading the header from an instantiated map
1910	sub prepare_temp {	2108	sub prepare_temp {
1911	my ($self) = @_;	2109	my ($self) = @_;
1912		2110
1913	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1914	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1915	# safety	2113	# safety
1916	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1917	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1918	}	2116	}
1919		2117
		2118	# called after loading the header from an original map
1920	sub prepare_orig {	2119	sub prepare_orig {
1921	my ($self) = @_;	2120	my ($self) = @_;
1922		2121
1923	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1924	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1948		2147
1949	sub find;	2148	sub find;
1950	sub find {	2149	sub find {
1951	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1952		2151
		2152	cf::cede_to_tick;
		2153
1953	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1954		2155
1955	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1957		2158
1958	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_find:$path";
1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1962	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1963	or return;	2161	or return;
1964		2162
1965	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1966		2164
…		…
1968	or return;	2166	or return;
1969		2167
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1973	undef $guard1;	2172	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	2173	$map->reset;
1976	return find $path;	2174	return find $path;
1977	}	2175	}
1978		2176
1979	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1980	}	2178	}
1981	}	2179	}
1982		2180
1983	sub pre_load { }	2181	sub pre_load { }
1984	sub post_load { }	2182	#sub post_load { } # XS
1985		2183
1986	sub load {	2184	sub load {
1987	my ($self) = @_;	2185	my ($self) = @_;
1988		2186
1989	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1992		2190
1993	{	2191	{
1994	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1995		2193
1996	return unless $self->valid;	2194	return unless $self->valid;
1997	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1998
1999	$self->in_memory (cf::MAP_LOADING);
2000		2196
2001	$self->alloc;	2197	$self->alloc;
2002		2198
2003	$self->pre_load;	2199	$self->pre_load;
2004	cf::cede_to_tick;	2200	cf::cede_to_tick;
2005		2201
		2202	if (exists $self->{load_path}) {
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2204	$f->skip_block;
2008	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
2009	or return;	2206	or return;
2010		2207
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
2012	if delete $self->{load_original};	2209	if delete $self->{load_original};
2013		2210
2014	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2212	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
2017	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
2018	$self->clear_unique_items;	2215	$self->clear_unique_items;
2019	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
2020	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
2021	}	2219	}
2022	}	2220	}
2023	}
2024		2221
2025	$f->resolve_delayed_derefs;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
2026		2229
2027	cf::cede_to_tick;	2230	cf::cede_to_tick;
2028	# now do the right thing for maps	2231	# now do the right thing for maps
2029	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
2030	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
2034	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2238	$self->decay_objects;
2036	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
2037	$self->update_buttons;	2240	$self->update_buttons;
2038	cf::cede_to_tick;	2241	cf::cede_to_tick;
2039	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
2040	cf::cede_to_tick;
2041	$self->activate;
2042	}	2243	}
2043		2244
2044	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
2046
2047	$self->in_memory (cf::MAP_IN_MEMORY);
2048	}	2247	}
2049		2248
2050	$self->post_load;	2249	$self->post_load;
2051	}
2052		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
2053	sub customise_for {	2257	sub customise_for {
2054	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
2055		2259
2056	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
2057	if $self->per_player;	2261	if $self->per_player;
…		…
2060	# if $self->per_party;	2264	# if $self->per_party;
2061		2265
2062	$self	2266	$self
2063	}	2267	}
2064		2268
2065	# find and load all maps in the 3x3 area around a map
2066	sub load_neighbours {
2067	my ($map) = @_;
2068
2069	my @neigh; # diagonal neighbours
2070
2071	for (0 .. 3) {
2072	my $neigh = $map->tile_path ($_)
2073	or next;
2074	$neigh = find $neigh, $map
2075	or next;
2076	$neigh->load;
2077
2078	push @neigh,
2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2081	}
2082
2083	for (grep defined $_->[0], @neigh) {
2084	my ($path, $origin) = @$_;
2085	my $neigh = find $path, $origin
2086	or next;
2087	$neigh->load;
2088	}
2089	}
2090
2091	sub find_sync {	2269	sub find_sync {
2092	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2093		2271
2094	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
2095	}	2277	}
2096		2278
2097	sub do_load_sync {	2279	sub do_load_sync {
2098	my ($map) = @_;	2280	my ($map) = @_;
2099		2281
		2282	# it's a bug to call this from the main context
2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2101	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2102		2285
2103	cf::sync_job { $map->load };	2286	$map->load;
2104	}	2287	}
2105		2288
2106	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2107	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2108		2291
2109	sub find_async {	2292	sub find_async {
2110	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2111		2294
2112	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2113		2296
2114	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2116	}	2299	}
2117		2300
2118	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2119		2302
2120	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2134	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2135		2318
2136	()	2319	()
2137	}	2320	}
2138		2321
		2322	# common code, used by both ->save and ->swapout
2139	sub save {	2323	sub _save {
2140	my ($self) = @_;	2324	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2325
2144	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2145		2327
2146	return unless $self->dirty;	2328	return unless $self->dirty;
2147		2329
…		…
2156		2338
2157	cf::async {	2339	cf::async {
2158	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2160	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2161		2345
2162	if ($uniq) {	2346	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2349	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2167	}	2351	}
2168	}	2352	}
2169		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2170	sub swap_out {	2362	sub swap_out {
2171	my ($self) = @_;	2363	my ($self) = @_;
2172		2364
2173	# save first because save cedes
2174	$self->save;
2175
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2178	return if $self->players;	2369	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;	2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
		2380	$self->clear;
		2381	}
		2382
		2383	sub reset_at {
		2384	my ($self) = @_;
		2385
		2386	# TODO: safety, remove and allow resettable per-player maps
2180	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2181		2388
		2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2391
		2392	$time + $to
		2393	}
		2394
		2395	sub should_reset {
		2396	my ($self) = @_;
		2397
		2398	$self->reset_at <= $cf::RUNTIME
		2399	}
		2400
		2401	sub reset {
		2402	my ($self) = @_;
		2403
		2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2405
		2406	return if $self->players;
		2407
		2408	cf::trace "resetting map ", $self->path, "\n";
		2409
2182	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
		2419
		2420	delete $cf::MAP{$self->path};
2183		2421
2184	$self->deactivate;	2422	$self->deactivate;
2185	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2186	$self->clear;	2424	$self->clear;
2187	}
2188
2189	sub reset_at {
2190	my ($self) = @_;
2191
2192	# TODO: safety, remove and allow resettable per-player maps
2193	return 1e99 if $self->{deny_reset};
2194
2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2197
2198	$time + $to
2199	}
2200
2201	sub should_reset {
2202	my ($self) = @_;
2203
2204	$self->reset_at <= $cf::RUNTIME
2205	}
2206
2207	sub reset {
2208	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211
2212	return if $self->players;
2213
2214	warn "resetting map ", $self->path;
2215
2216	$self->in_memory (cf::MAP_SWAPPED);
2217
2218	# need to save uniques path
2219	unless ($self->{deny_save}) {
2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
2221
2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2223	if $uniq;
2224	}
2225
2226	delete $cf::MAP{$self->path};
2227
2228	$self->deactivate;
2229	$_->clear_links_to ($self) for values %cf::MAP;
2230	$self->clear;
2231		2425
2232	$self->unlink_save;	2426	$self->unlink_save;
2233	$self->destroy;	2427	$self->destroy;
2234	}	2428	}
2235		2429
…		…
2243		2437
2244	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2245		2439
2246	$self->unlink_save;	2440	$self->unlink_save;
2247		2441
2248	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2249	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2250	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2251	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2253		2447
…		…
2302		2496
2303	sub unique_maps() {	2497	sub unique_maps() {
2304	[	2498	[
2305	map {	2499	map {
2306	utf8::decode $_;	2500	utf8::decode $_;
2307	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2308	? normalise $_	2504	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2506	]
2312	}	2507	}
2313		2508
2314	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2315		2540
2316	=back	2541	=back
2317		2542
2318	=head3 cf::object	2543	=head3 cf::object
2319		2544
…		…
2323		2548
2324	=over 4	2549	=over 4
2325		2550
2326	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2327		2552
2328	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2329		2555
2330	=cut	2556	=cut
2331		2557
2332	sub inv_recursive_;	2558	sub inv_recursive_;
2333	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2339	}	2565	}
2340		2566
2341	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2342		2568
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2569	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2570
2345	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2346		2572
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2382		2608
2383	=cut	2609	=cut
2384		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
		2624
2385	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2626	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2642
2403	} else {	2643	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2646	}
2407	}	2647	}
2408	}	2648	}
2409		2649
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2675
2436	=item $player_object->enter_link	2676	=item $player_object->enter_link
2437		2677
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2679
2440	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2441	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2442		2684
2443	Will never block.	2685	Will never block.
2444		2686
2445	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2446		2688
…		…
2466	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2467	my ($self) = @_;	2709	my ($self) = @_;
2468		2710
2469	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2470		2712
		2713	++$self->{_link_recursion};
		2714
2471	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2472		2716
2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2474	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2475		2719
2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2477	}	2721	}
2478		2722
2479	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2480	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2481		2725
…		…
2498	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2499	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2500		2744
2501	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2502	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2503	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2504		2748
2505	$map->load;	2749	$map->load;
2506	$map->load_neighbours;
2507		2750
2508	return unless $self->contr->active;	2751	return unless $self->contr->active;
2509	$self->activate_recursive;
2510		2752
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2513	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2514		2760
		2761	}
		2762
2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2516		2764
2517	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2518	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2519	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2520	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2769	be called at the end of this process.
2522		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2523	=cut	2774	=cut
2524		2775
2525	our $GOTOGEN;	2776	our $GOTOGEN;
2526		2777
2527	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2528	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2529		2786
2530	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2532		2789
2533	$self->enter_link;	2790	$self->enter_link;
…		…
2553	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2554	}	2811	}
2555	}	2812	}
2556		2813
2557	my $map = eval {	2814	my $map = eval {
2558	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2559		2816
2560	if ($map) {	2817	if ($map) {
2561	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2562	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2563	} else {	2820	} else {
2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2565	}	2822	}
2566		2823
2567	$map	2824	$map
…		…
2575	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2576	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2577	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2578	}	2835	}
2579		2836
2580	$done->() if $done;	2837	$done->($self) if $done;
2581	})->prio (1);	2838	})->prio (1);
2582	}	2839	}
2583		2840
2584	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2585		2842
…		…
2605	}	2862	}
2606		2863
2607	sub prepare_random_map {	2864	sub prepare_random_map {
2608	my ($exit) = @_;	2865	my ($exit) = @_;
2609		2866
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2869	# that depends on the exit object
2615		2870
2616	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2873	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2623	}	2880	}
2624		2881
2625	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2626		2883
2627	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2630		2887
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2890	undef $fh;
2634	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2635		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2638	}	2899	}
2639	}	2900	}
2640		2901
2641	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2643		2904
2644	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2645		2906
2646	if ($exit->slaying eq "/!") {
2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
2648	# the problem is that $exit might not survive long enough
2649	# so it needs to be done right now, right here
2650	cf::sync_job { prepare_random_map $exit };
2651	}
2652
2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2654	my $hp = $exit->stats->hp;
2655	my $sp = $exit->stats->sp;
2656
2657	$self->enter_link;	2907	$self->enter_link;
2658		2908
2659	# if exit is damned, update players death & WoR home-position
2660	$self->contr->savebed ($slaying, $hp, $sp)
2661	if $exit->flag (FLAG_DAMNED);
2662
2663	(async {	2909	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2665		2911
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2668	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2669		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2670	1;	2948	1
2671	}) {	2949	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2676		2954
2677	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2678	$self->leave_link;	2956	$self->leave_link;
2679	}	2957	}
2680	})->prio (1);	2958	})->prio (1);
2681	}	2959	}
2682		2960
…		…
2694	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2695	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2696		2974
2697	utf8::encode $text;	2975	utf8::encode $text;
2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2699	}	3002	}
2700		3003
2701	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2702		3005
2703	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2707		3010
2708	=cut	3011	=cut
2709		3012
2710	# non-persistent channels (usually the info channel)	3013	# non-persistent channels (usually the info channel)
2711	our %CHANNEL = (	3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
2712	"c/identify" => {	3021	"c/identify" => {
2713	id => "infobox",	3022	id => "infobox",
2714	title => "Identify",	3023	title => "Identify",
2715	reply => undef,	3024	reply => undef,
2716	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2718	"c/examine" => {	3027	"c/examine" => {
2719	id => "infobox",	3028	id => "infobox",
2720	title => "Examine",	3029	title => "Examine",
2721	reply => undef,	3030	reply => undef,
2722	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
2723	},	3038	},
2724	"c/book" => {	3039	"c/book" => {
2725	id => "infobox",	3040	id => "infobox",
2726	title => "Book",	3041	title => "Book",
2727	reply => undef,	3042	reply => undef,
…		…
2743	id => "infobox",	3058	id => "infobox",
2744	title => "Body Parts",	3059	title => "Body Parts",
2745	reply => undef,	3060	reply => undef,
2746	tooltip => "Shows which body parts you posess and are available",	3061	tooltip => "Shows which body parts you posess and are available",
2747	},	3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
2748	"c/uptime" => {	3099	"c/uptime" => {
2749	id => "infobox",	3100	id => "infobox",
2750	title => "Uptime",	3101	title => "Uptime",
2751	reply => undef,	3102	reply => undef,
2752	tooltip => "How long the server has been running since last restart",	3103	tooltip => "How long the server has been running since last restart",
…		…
2755	id => "infobox",	3106	id => "infobox",
2756	title => "Map Info",	3107	title => "Map Info",
2757	reply => undef,	3108	reply => undef,
2758	tooltip => "Information related to the maps",	3109	tooltip => "Information related to the maps",
2759	},	3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
2760	);	3125	);
2761		3126
2762	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2764		3129
2765	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2766		3132
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		3134
2769	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2771	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2772		3138
2773	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2774	if $self->can_msg;
2775
2776	$channel = $channel->{id};	3140	$channel = $channel->{id};
2777		3141
2778	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2779	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2780	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2781	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2782	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2783	if $self->can_msg;
2784	}	3147	}
2785		3148
2786	$channel = $channel->{id};	3149	$channel = $channel->{id};
2787	}	3150	}
2788		3151
2789	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2790		3153
2791	if ($self->can_msg) {
2792	# default colour, mask it out	3154	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2795		3157
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2798	} else {	3161	);
2799	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {
2802	1 while
2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808	}
2809		3162
2810	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2811
2812	utf8::encode $msg;
2813
2814	if (0 && $msg =~ /\[/) {
2815	# COMMAND/INFO
2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
2817	} else {
2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819	$self->send_packet ("drawinfo $color $msg")
2820	}
2821	}
2822	}
2823	}	3164	}
2824		3165
2825	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2826		3167
2827	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2830		3171
2831	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2832	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2833		3174
2834	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2837	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839	}	3180	}
2840	}	3181	}
2841		3182
2842	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2843		3184
…		…
2846	=cut	3187	=cut
2847		3188
2848	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2849	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2850		3191
2851	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853	} elsif ($self->extcmd == 1) {
2854	#TODO: version 1, remove
2855	unshift @msg, msgtype => "reply", msgid => $id;
2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857	}
2858	}	3195	}
2859		3196
2860	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2861		3198
2862	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2917	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2918		3255
2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2920		3257
2921	if (ref $msg) {	3258	if (ref $msg) {
2922	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2923	"ARRAY" eq ref $msg
2924	? @$msg
2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2926		3260
2927	my @reply;	3261	my @reply;
2928		3262
2929	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2930	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2932		3266
2933	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2934	if $reply;	3268	if $reply;
2935		3269
2936	} else {	3270	} else {
2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2938	}	3272	}
2939		3273
2940	cf::override;	3274	cf::override;
2941	},	3275	},
2942	);	3276	);
…		…
2962		3296
2963	$coro	3297	$coro
2964	}	3298	}
2965		3299
2966	cf::client->attach (	3300	cf::client->attach (
2967	on_destroy => sub {	3301	on_client_destroy => sub {
2968	my ($ns) = @_;	3302	my ($ns) = @_;
2969		3303
2970	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2971	},	3305	},
2972	);	3306	);
…		…
2988	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2989		3323
2990	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2991		3325
2992	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2993	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2994	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2995	sort time	3329	sort time
2996	));	3330	));
2997		3331
2998	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
3001		3335
3002	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
3003		3337
3004	cf::object	3338	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3339	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
3007		3342
3008	cf::object::player	3343	cf::object::player
3009	player	3344	player
3010		3345
3011	cf::player	3346	cf::player
…		…
3016		3351
3017	=cut	3352	=cut
3018		3353
3019	for (	3354	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3357	decrease split destroy change_exp value msg lore send_msg)],
3023	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
3025	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
3026	) {	3361	) {
3027	no strict 'refs';
3028	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
3029	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3030	for @funs;	3364	for @funs;
3031	}	3365	}
3032		3366
…		…
3047		3381
3048	my $qcode = $code;	3382	my $qcode = $code;
3049	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3050	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
3051		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
3052	local $_;	3389	local $_;
3053	local @safe::cf::_safe_eval_args = values %vars;
3054		3390
3055	my $eval =	3391	my $eval =
3056	"do {\n"	3392	"do {\n"
3057	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3058	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
3059	. $code	3395	. $code
3060	. "\n}"	3396	. "\n}"
3061	;	3397	;
3062		3398
		3399	if ($CFG{safe_eval}) {
3063	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
3064	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3065	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
3066		3408
3067	if ($@) {	3409	if ($@) {
3068	warn "$@";	3410	warn "$@",
3069	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
3070	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
3071	}	3413	}
3072		3414
3073	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
3074	}	3416	}
3075		3417
…		…
3089	=cut	3431	=cut
3090		3432
3091	sub register_script_function {	3433	sub register_script_function {
3092	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
3093		3435
3094	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
3095	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
3096	}	3438	}
3097		3439
3098	=back	3440	=back
3099		3441
3100	=cut	3442	=cut
…		…
3109	# for this (global event?)	3451	# for this (global event?)
3110	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3111		3453
3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3113		3455
3114	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3115		3457
3116	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3117	0 < aio_load $path, $facedata
3118	or die "$path: $!";
3119
3120	$facedata = Coro::Storable::thaw $facedata;
3121		3459
3122	$facedata->{version} == 2	3460	$facedata->{version} == 2
3123	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3124		3462
3125	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3126	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3127	type => FT_RSRC,	3466	type => FT_RSRC,
3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
3129	};	3469	};
3130	cf::cede_to_tick;	3470	cf::cede_to_tick;
3131		3471
3132	{	3472	{
3133	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
3134		3474
3135	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
3137	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3141		3483
3142	cf::cede_to_tick;	3484	cf::cede_to_tick;
3143	}	3485	}
3144		3486
3145	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
3147	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
3148	or next;	3491	or next;
		3492
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3496	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3154	}	3498	}
3155		3499
3156	cf::cede_to_tick;	3500	cf::cede_to_tick;
3157	}	3501	}
3158	}	3502	}
…		…
3167		3511
3168	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3169	}	3513	}
3170		3514
3171	{	3515	{
3172	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3175		3517
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;
3181		3522
3182	if ($info->{type} & 1) {	3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3183	# prepend meta info	3524	cf::face::set_type $idx, $type;
3184		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3185	my $meta = $enc->encode ({
3186	name => $name,
3187	%{ $info->{meta} || {} },
3188	});
3189
3190	$data = pack "(w/a*)*", $meta, $info->{data};
3191	} else {	3526	} else {
3192	$data = $info->{data};	3527	# $RESOURCE{$name} = $info; # unused
3193	}	3528	}
3194		3529
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;	3530	cf::cede_to_tick;
3199	}	3531	}
3200
3201	if ($soundconf) {
3202	$soundconf = $enc->decode (delete $soundconf->{data});
3203
3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205	my $sound = $soundconf->{compat}[$_]
3206	or next;
3207
3208	my $face = cf::face::find "sound/$sound->[1]";
3209	cf::sound::set $sound->[0] => $face;
3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211	}
3212
3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
3214	my $face = cf::face::find "sound/$v";
3215	cf::sound::set $k => $face;
3216	}
3217	}
3218	}	3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3219		3535
3220	1	3536	1
3221	}	3537	}
3222		3538
3223	register_exticmd fx_want => sub {	3539	register_exticmd fx_want => sub {
…		…
3225		3541
3226	while (my ($k, $v) = each %$want) {	3542	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3543	$ns->fx_want ($k, $v);
3228	}	3544	}
3229	};	3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
3230		3556
3231	sub reload_regions {	3557	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3558	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3559	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3560	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3248	}	3574	}
3249		3575
3250	sub reload_archetypes {	3576	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references
3254	# this really needs to be done in an extra post-pass
3255	# (which needs to be synchronous, so solve it differently)
3256	load_resource_file "$DATADIR/archetypes"
3257	or die "unable to load archetypes\n";
3258	}	3579	}
3259		3580
3260	sub reload_treasures {	3581	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
3263	}	3584	}
3264		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
3265	sub reload_resources {	3606	sub reload_resources {
3266	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
3267		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
3268	reload_regions;	3614	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3615	reload_treasures;
3273		3616
3274	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
3275	}
3276
3277	sub init {
3278	reload_resources;
3279	}	3618	}
3280		3619
3281	sub reload_config {	3620	sub reload_config {
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3621	trace "reloading config file...\n";
3283	or return;
3284		3622
3285	local $/;	3623	my $config = load_file "$CONFDIR/config";
3286	*CFG = YAML::Syck::Load <$fh>;	3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
3287		3626
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3289		3628
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3291	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3292		3631
3293	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
3297	};	3636	};
3298	warn $@ if $@;	3637	warn $@ if $@;
3299	}	3638	}
3300	}	3639	}
3301		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
3302	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
3303	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3682	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3684	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
3310	};	3686	};
3311		3687
		3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
3312	reload_config;	3700	reload_config;
3313	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
3314	load_extensions;	3711	load_extensions;
3315		3712
3316	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
3317	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
3318	}	3730	}
3319		3731
3320	#############################################################################	3732	#############################################################################
3321	# initialisation and cleanup	3733	# initialisation and cleanup
3322		3734
3323	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
3324	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3327	reentrant => 0,
3328	data => WF_AUTOCANCEL,
3329	signal => $signal,
3330	prio => 0,
3331	cb => sub {
3332	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
3333	},
3334	);	3741	};
3335	}	3742	}
3336	}	3743	}
3337		3744
3338	sub write_runtime {	3745	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
3340		3747
3341	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
3343		3750
3344	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3752
3346	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
3347		3754
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3349	or return;	3756	or return;
3350		3757
3351	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
3364		3771
3365	close $fh	3772	close $fh
3366	or return;	3773	or return;
3367		3774
3368	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3776	and return;
3370		3777
3371	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3372		3779
3373	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
3374	}	3831	}
3375		3832
3376	sub emergency_save() {	3833	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
3378		3835
3379	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
3380		3842
3381	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
3382	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
3383	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
3384	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
3385	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
3386	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
3387	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
3388	$pl->valid or next;	3852	$pl->valid or next;
3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3390	$pl->save;	3854	$pl->save;
3391	}	3855	}
3392	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
3393		3857
3394	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
3395	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
3396	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
3397	$map->valid or next;	3863	$map->valid or next;
3398	$map->save;	3864	$map->save;
3399	}	3865	}
3400	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
3401		3867
3402	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
3405	};	3896	};
3406		3897
3407	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
3408	}	3899	}
3409		3900
3410	sub post_cleanup {	3901	sub post_cleanup {
3411	my ($make_core) = @_;	3902	my ($make_core) = @_;
3412		3903
		3904	IO::AIO::flush;
		3905
3413	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
3415	}	3936	}
3416		3937
3417	sub do_reload_perl() {	3938	sub do_reload_perl() {
3418	# can/must only be called in main	3939	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
3420	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
3421	return;	3942	return;
3422	}	3943	}
3423		3944
3424	warn "reloading...";	3945	return if $RELOAD++;
3425		3946
3426	warn "entering sync_job";	3947	my $t1 = AE::time;
3427		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
3428	cf::sync_job {	3955	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark
3430	cf::emergency_save;	3956	#cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark
3432		3957
3433	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;
3435
3436	# if anything goes wrong in here, we should simply crash as we already saved
3437
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;
3449	warn "iterate...";
3450	}
3451
3452	++$RELOAD;
3453
3454	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
3455	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
3456	%EXT_CORO = ();	3960	%EXT_CORO = ();
3457		3961
3458	warn "removing commands";	3962	trace "perl_reload: removing commands";
3459	%COMMAND = ();	3963	%COMMAND = ();
3460		3964
3461	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3462	%EXTCMD = ();	3966	%EXTCMD = ();
3463	%EXTICMD = ();	3967	%EXTICMD = ();
3464		3968
3465	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3466	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3467	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3468		3972
3469	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3470	eval {	3974	eval {
3471	$cb->($pkg);	3975	$cb->($pkg);
3472	1	3976	1
3473	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
3474	}	3982	}
3475		3983
3476	warn "... nuking $pkg";
3477	Symbol::delete_package $pkg;
3478	}
3479
3480	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3481	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		3987
3484	warn "... unloading $k";	3988	trace "... unloading $k";
3485	delete $INC{$k};	3989	delete $INC{$k};
3486		3990
3487	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3489		3993
3490	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3491	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3492	}	3999	}
3493		4000
3494	Symbol::delete_package $k;
3495	}
3496
3497	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		4004
3501	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3504		4008
3505	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3506	# and global variables created in xs	4010	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3508		4012
3509	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3510		4014
3511	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3512	require cf;	4016	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3514		4018
3515	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3516	cf::reload_config;	4020	cf::reload_config;
3517		4021
3518	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3519	cf::load_extensions;	4023	cf::load_extensions;
3520		4024
		4025	if ($REATTACH_ON_RELOAD) {
3521	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3524	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3527		4033
3528	warn "leaving sync_job";	4034	cf::_post_init 1;
3529		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3530	1	4038	1
3531	} or do {	4039	} or do {
3532	warn $@;	4040	error $@;
3533	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3534	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3535	};	4045	}
3536		4046
3537	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3538	};	4049	};
3539		4050
3540	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3541		4052
3542	sub reload_perl() {	4053	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3545		4056
3546	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3547	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3548	after => 0,	4059
3549	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3550	cb => sub {
3551	do_reload_perl;	4061	do_reload_perl;
3552	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3553	},	4063	};
3554	);	4064	};
3555	}	4065	}
3556		4066
3557	register_command "reload" => sub {	4067	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3559		4069
…		…
3564	reload_perl;	4074	reload_perl;
3565	};	4075	};
3566	}	4076	}
3567	};	4077	};
3568		4078
3569	unshift @INC, $LIBDIR;	4079	#############################################################################
3570		4080
3571	my $bug_warning = 0;	4081	my $bug_warning = 0;
3572		4082
3573	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;
3575
3576	sub wait_for_tick {	4083	sub wait_for_tick() {
3577	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3578	return if $Coro::current == $Coro::main;
3579		4085
3580	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3581	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;
3583	}	4087	}
3584		4088
3585	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3586	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3587	return if $Coro::current == $Coro::main;
3588		4091
3589	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	4094	$signal->wait;
3592	}	4095	}
3593		4096
3594	$TICK_WATCHER = Event->timer (	4097	sub tick {
3595	reentrant => 0,
3596	parked => 1,
3597	prio => 0,
3598	at => $NEXT_TICK || $TICK,
3599	data => WF_AUTOCANCEL,
3600	cb => sub {
3601	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3604	return;	4101	return;
3605	}	4102	}
3606		4103
3607	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3608		4105
3609	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3610		4107
3611	$RUNTIME += $TICK;
3612	$NEXT_TICK += $TICK;
3613
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	4110	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	4111	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	4112	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
3620	};
3621	}	4114	};
		4115	}
3622		4116
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	4118	$sig->send;
3625	}	4119	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3627	$sig->send;
3628	}
3629		4121
3630	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3631
3632	# if we are delayed by four ticks or more, skip them all
3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3634
3635	$TICK_WATCHER->at ($NEXT_TICK);
3636	$TICK_WATCHER->start;
3637
3638	$LOAD = ($NOW - $tick_start) / $TICK;
3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		4124
3641	_post_tick;	4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3642	},	4131	}
3643	);	4132	}
3644		4133
3645	{	4134	{
		4135	# configure BDB
		4136
3646	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3647	BDB::max_poll_time $TICK * 0.1;	4138	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3649	reentrant => 0,
3650	fd => BDB::poll_fileno,
3651	poll => 'r',
3652	prio => 0,
3653	data => WF_AUTOCANCEL,
3654	cb => \&BDB::poll_cb,
3655	);
3656
3657	BDB::set_sync_prepare {
3658	my $status;
3659	my $current = $Coro::current;
3660	(
3661	sub {
3662	$status = $!;
3663	$current->ready; undef $current;
3664	},
3665	sub {
3666	Coro::schedule while defined $current;
3667	$! = $status;
3668	},
3669	)
3670	};
3671		4140
3672	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		4148
3679	cf::sync_job {	4149	cf::sync_job {
3680	eval {	4150	eval {
…		…
3690		4160
3691	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	4162	};
3693	}	4163	}
3694		4164
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3696	after => 3,
3697	interval => 1,
3698	hard => 1,
3699	prio => 0,
3700	data => WF_AUTOCANCEL,
3701	cb => sub {
3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	4167	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3706	after => 11,
3707	interval => 60,
3708	hard => 1,
3709	prio => 0,
3710	data => WF_AUTOCANCEL,
3711	cb => sub {
3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	4170	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3716	after => 5,
3717	interval => 10,
3718	hard => 1,
3719	prio => 0,
3720	data => WF_AUTOCANCEL,
3721	cb => sub {
3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	4173	};
3725	}	4174	}
3726		4175
3727	{	4176	{
		4177	# configure IO::AIO
		4178
3728	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3733	reentrant => 0,
3734	data => WF_AUTOCANCEL,
3735	fd => IO::AIO::poll_fileno,
3736	poll => 'r',
3737	prio => 0,
3738	cb => \&IO::AIO::poll_cb,
3739	);
3740	}	4182	}
3741		4183
3742	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3743		4186
3744	sub _log_backtrace {	4187	sub _log_backtrace {
3745	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3746		4189
3747	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3748		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3749	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3751	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3752	async {	4200	async {
3753	$Coro::current->{desc} = "abt $msg";	4201	$Coro::current->{desc} = "abt $msg";
3754		4202
3755	my @bt = fork_call {	4203	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	4215	}
3768		4216
3769	@funcs	4217	@funcs
3770	};	4218	};
3771		4219
3772	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	4223	--$_log_backtrace;
3775	};	4224	};
3776	} else {	4225	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3778	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3779	}	4228	}
3780	}	4229	}
3781		4230
3782	# load additional modules	4231	# load additional modules
3783	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3784		4234
3785	END { cf::emergency_save }	4235	END { cf::emergency_save }
3786		4236
3787	1	4237	1
3788		4238

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