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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.380 by root, Mon Oct 8 13:58:07 2007 UTC vs.
Revision 1.576 by root, Tue Jan 3 02:08:49 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 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 | logBacktrace, 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	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
450	}	648	}
		649	}
451		650
452	$time = Event::time - $time;	651	my $time = AE::time - $time;
453		652
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
458		654
459	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
460	} else {	656	} else {
461	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
462		658
…		…
482	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
483		679
484	$coro	680	$coro
485	}	681	}
486		682
487	=item fork_call { }, $args	683	=item fork_call { }, @args
488		684
489	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
493		689
494	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
495		695
496	sub fork_call(&@) {	696	sub fork_call(&@) {
497	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
498		698
499	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
502		702
503	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
504	reset_signals;	704	cf::post_fork;
505	&$cb	705	&$cb
506	}, @args;	706	} @args;
507		707
508	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
509	}	747	}
510		748
511	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
512		750
513	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
523	within each server.	761	within each server.
524		762
525	=cut	763	=cut
526		764
527	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
528	my ($name) = @_;	769	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
530		771
531	eval {	772	eval {
532	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
542	}	783	}
543		784
544	our $DB;	785	our $DB;
545		786
546	sub db_init {	787	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	788	$DB ||= db_table "db";
549	};
550	}	789	}
551		790
552	sub db_get($$) {	791	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
554		793
555	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
556	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
557		798
558	$! ? ()	799	$! ? ()
559	: $data	800	: $data
560	}
561	}	801	}
562		802
563	sub db_put($$$) {	803	sub db_put($$$) {
564	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		833
594	my @data;	834	my @data;
595	my $md5;	835	my $md5;
596		836
597	for (0 .. $#$src) {	837	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	839	}
601		840
602	# if processing is expensive, check	841	# if processing is expensive, check
603	# checksum first	842	# checksum first
604	if (1) {	843	if (1) {
…		…
621		860
622	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
623	my $data = $process->(\@data);	862	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
625		864
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		866
628	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
631		870
…		…
641		880
642	=cut	881	=cut
643		882
644	sub datalog($@) {	883	sub datalog($@) {
645	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	886	}
648		887
649	=back	888	=back
650		889
651	=cut	890	=cut
652		891
653	#############################################################################	892	#############################################################################
654		893
655	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
656		895
657	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
658	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")
659	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
660		899
661	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>
662	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
663	Crossfire TRT).	902	Deliantra).
664		903
665	=over 4	904	=over 4
666		905
667	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
668		907
…		…
712	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
713		952
714	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
716		955
717	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
718	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.
719		958
720	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
721		960
722	=over 4	961	=over 4
…		…
846		1085
847	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1088
850	} elsif (ref $type) {	1089	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
852		1091
853	} else {	1092	} else {
854	shift @arg;	1093	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
856	}	1095	}
857	}	1096	}
858	}	1097	}
859		1098
860	sub _object_attach {	1099	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
871	}	1110	}
872		1111
873	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
874	} else {	1113	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1115	}
877		1116
878	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
879	}	1118	}
880		1119
…		…
939		1178
940	for (@$callbacks) {	1179	for (@$callbacks) {
941	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
942		1181
943	if ($@) {	1182	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1184	override;
947	}	1185	}
948		1186
949	return 1 if $override;	1187	return 1 if $override;
950	}	1188	}
951		1189
952	0	1190	0
953	}	1191	}
954		1192
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1194
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1196
959	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
960		1198
…		…
966		1204
967	=cut	1205	=cut
968		1206
969	#############################################################################	1207	#############################################################################
970	# object support	1208	# object support
971	#
972		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
973	sub _can_merge {	1243	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
975		1245
976	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1247
980	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
981	}	1250	}
982		1251
983	sub reattach {	1252	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1254	my ($obj) = @_;
986		1255
		1256	# no longer needed after getting rid of delete_package?
987	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
988		1258
989	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
990		1260
991	@$registry = ();	1261	@$registry = ();
992		1262
…		…
997	for (@$attach) {	1267	for (@$attach) {
998	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
999	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1000	}	1270	}
1001	} else {	1271	} else {
1002	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1003	}	1273	}
1004	}	1274	}
1005	}	1275	}
1006		1276
1007	cf::attachable->attach (	1277	cf::attachable->attach (
1008	prio => -1000000,	1278	prio => -1000000,
1009	on_instantiate => sub {	1279	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1011		1281
1012	$data = from_json $data;	1282	$data = decode_json $data;
1013		1283
1014	for (@$data) {	1284	for (@$data) {
1015	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1016		1286
1017	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1034	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1035		1305
1036	sync_job {	1306	sync_job {
1037	if (length $$rdata) {	1307	if (length $$rdata) {
1038	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1041		1312
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	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	}
1046	close $fh;	1320	aio_close $fh;
1047		1321
1048	if (@$objs) {	1322	if (@$objs) {
1049	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) {
1050	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1053	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	}
1054	close $fh;	1331	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1333	}
1057	} else {	1334	} else {
1058	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1059	}	1336	}
1060		1337
1061	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1342	} else {
1063	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1064	}	1344	}
1065	} else {	1345	} else {
1066	aio_unlink $filename;	1346	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1068	}	1348	}
…		…
1087		1367
1088	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1370	or return;
1091		1371
1092	my $st = eval { Coro::Storable::thaw $av }	1372	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1373	$av = $st->{objs};
1095	}	1374	}
1096		1375
1097	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1100		1380
1101	($data, $av)	1381	($data, $av)
1102	}	1382	}
1103		1383
1104	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1161		1441
1162	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1163	}	1443	}
1164		1444
		1445	use File::Glob ();
		1446
1165	cf::player->attach (	1447	cf::player->attach (
1166	on_command => sub {	1448	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1168		1450
1169	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1170	or return;	1452	or return;
1171		1453
…		…
1179	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1180		1462
1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1182		1464
1183	if (ref $msg) {	1465	if (ref $msg) {
1184	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1185	"ARRAY" eq ref $msg
1186	? @$msg
1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188		1467
1189	my @reply;	1468	my @reply;
1190		1469
1191	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1192	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1194		1473
1195	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1475	if $reply;
1197		1476
1198	} else {	1477	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1479	}
1201		1480
1202	cf::override;	1481	cf::override;
1203	},	1482	},
1204	);	1483	);
1205		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
1206	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1207	cf::sync_job {	1501	cf::sync_job {
1208	my %todo;	1502	my %todo;
1209		1503
1210	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1505	next unless -r $path;
…		…
1229		1523
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1526
1233	$ext{source} =	1527	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1236	. $source	1530	. $source
1237	. "\n};\n1";	1531	. "\n};\n1";
1238		1532
1239	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1240	}	1534	}
1241		1535
		1536	my $pass = 0;
1242	my %done;	1537	my %done;
1243	while (%todo) {	1538	while (%todo) {
1244	my $progress;	1539	my $progress;
1245		1540
		1541	++$pass;
		1542
		1543	ext:
1246	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1546	next ext
1249	unless exists $done{$_};	1547	unless exists $done{$_};
1250	}	1548	}
1251		1549
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1551
1254	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1259	warn $msg;	1559
1260	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1561	delete $todo{$k};
1262	}	1562	} else {
1263		1563	$done{$k} = delete $todo{$k};
1264	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1265	}	1569	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1570	}
1271		1571
1272	skip:	1572	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1275	}	1582	}
1276	};	1583	};
1277	}	1584	}
1278		1585
1279	#############################################################################	1586	#############################################################################
1280		1587
1281	=back	1588	=back
1282		1589
1283	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1284		1591
1285	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1286		1593
1287	=cut	1594	=cut
1288		1595
1289	package cf::player;	1596	package cf::player;
1290		1597
…		…
1333		1640
1334	sub exists($) {	1641	sub exists($) {
1335	my ($login) = @_;	1642	my ($login) = @_;
1336		1643
1337	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1339	}	1646	}
1340		1647
1341	sub find($) {	1648	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1650	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1663	or return;
1357		1664
1358	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1359	or return;	1666	or return;
		1667
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1363	}	1671	}
1364	}	1672	}
1365	}	1673	}
1366		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($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
1367	sub save($) {	1688	sub save($) {
1368	my ($pl) = @_;	1689	my ($pl) = @_;
1369		1690
1370	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1371		1692
…		…
1374		1695
1375	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1376		1697
1377	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1378	$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];
1379		1705
1380	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1707	cf::cede_to_tick;
1382	}	1708	}
1383		1709
…		…
1415	my ($pl) = @_;	1741	my ($pl) = @_;
1416		1742
1417	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1418		1744
1419	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1420	$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
1421		1747
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1425	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1426		1756
1427	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1467		1797
1468	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1469	my $path = path $login;	1799	my $path = path $login;
1470		1800
1471	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1807	}
1477		1808
…		…
1481		1812
1482	\@logins	1813	\@logins
1483	}	1814	}
1484		1815
1485	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1486		1819
1487	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1488	player. May block.	1821	player. May block.
1489		1822
1490	=cut	1823	=cut
…		…
1508	}	1841	}
1509		1842
1510	\@paths	1843	\@paths
1511	}	1844	}
1512		1845
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1847
1515	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1849
1564	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1565		1851
1566	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1567		1853
…		…
1599		1885
1600	=cut	1886	=cut
1601		1887
1602	sub find_by_path($) {	1888	sub find_by_path($) {
1603	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1604		1892
1605	my ($match, $specificity);	1893	my ($match, $specificity);
1606		1894
1607	for my $region (list) {	1895	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1636		1924
1637	sub generate_random_map {	1925	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1640	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1931	}
1654		1932
1655	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1656		1934
1657	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
…		…
1662		1940
1663	sub register {	1941	sub register {
1664	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1943	my $pkg = caller;
1666		1944
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1946
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1948	}
1672		1949
1673	# also paths starting with '/'	1950	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1952
1676	sub thawer_merge {	1953	sub thawer_merge {
1677	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1678		1955
1679	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1684	}	1961	}
1685		1962
1686	sub normalise {	1963	sub normalise {
1687	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1688		1965
1689	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1690		1967
1691	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1692		1969
1693	# map plan:	1970	# map plan:
1694	#	1971	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1987	$path = "$base/$path";
1711	}	1988	}
1712		1989
1713	for ($path) {	1990	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1717	}	1993	}
1718		1994
1719	$path	1995	$path
…		…
1733	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1734	return $self;	2010	return $self;
1735	}	2011	}
1736	}	2012	}
1737		2013
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2015	()
1740	}	2016	}
1741		2017
		2018	# may re-bless or do other evil things
1742	sub init {	2019	sub init {
1743	my ($self) = @_;	2020	my ($self) = @_;
1744		2021
1745	$self	2022	$self
1746	}	2023	}
…		…
1765		2042
1766	# the temporary/swap location	2043	# the temporary/swap location
1767	sub save_path {	2044	sub save_path {
1768	my ($self) = @_;	2045	my ($self) = @_;
1769		2046
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1772	}	2049	}
1773		2050
1774	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1775	sub uniq_path {	2052	sub uniq_path {
1776	my ($self) = @_;	2053	my ($self) = @_;
1777		2054
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2057	}
1790		2058
1791	sub decay_objects {	2059	sub decay_objects {
1792	my ($self) = @_;	2060	my ($self) = @_;
1793		2061
…		…
1820	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1821		2089
1822	1	2090	1
1823	}	2091	}
1824		2092
		2093	# used to laod the header of an original map
1825	sub load_header_orig {	2094	sub load_header_orig {
1826	my ($self) = @_;	2095	my ($self) = @_;
1827		2096
1828	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1829	}	2098	}
1830		2099
		2100	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2101	sub load_header_temp {
1832	my ($self) = @_;	2102	my ($self) = @_;
1833		2103
1834	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1835	}	2105	}
1836		2106
		2107	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2108	sub prepare_temp {
1838	my ($self) = @_;	2109	my ($self) = @_;
1839		2110
1840	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1842	# safety	2113	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2116	}
1846		2117
		2118	# called after loading the header from an original map
1847	sub prepare_orig {	2119	sub prepare_orig {
1848	my ($self) = @_;	2120	my ($self) = @_;
1849		2121
1850	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2147
1876	sub find;	2148	sub find;
1877	sub find {	2149	sub find {
1878	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1879		2151
		2152	cf::cede_to_tick;
		2153
1880	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1881		2155
1882	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2158
1885	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1890	or return;	2161	or return;
1891		2162
1892	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1893		2164
…		…
1895	or return;	2166	or return;
1896		2167
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1900	undef $guard1;	2172	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2173	$map->reset;
1903	return find $path;	2174	return find $path;
1904	}	2175	}
1905		2176
1906	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1907	}	2178	}
1908	}	2179	}
1909		2180
1910	sub pre_load { }	2181	sub pre_load { }
1911	sub post_load { }	2182	#sub post_load { } # XS
1912		2183
1913	sub load {	2184	sub load {
1914	my ($self) = @_;	2185	my ($self) = @_;
1915		2186
1916	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2190
1920	{	2191	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1922		2193
1923	return unless $self->valid;	2194	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2196
1928	$self->alloc;	2197	$self->alloc;
1929		2198
1930	$self->pre_load;	2199	$self->pre_load;
1931	cf::cede_to_tick;	2200	cf::cede_to_tick;
1932		2201
		2202	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2204	$f->skip_block;
1935	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
1936	or return;	2206	or return;
1937		2207
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1939	if delete $self->{load_original};	2209	if delete $self->{load_original};
1940		2210
1941	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2212	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2215	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
1948	}	2219	}
1949	}	2220	}
1950	}
1951		2221
1952	$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);
1953		2229
1954	cf::cede_to_tick;	2230	cf::cede_to_tick;
1955	# now do the right thing for maps	2231	# now do the right thing for maps
1956	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2238	$self->decay_objects;
1963	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1964	$self->update_buttons;	2240	$self->update_buttons;
1965	cf::cede_to_tick;	2241	cf::cede_to_tick;
1966	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2243	}
1970		2244
1971	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2247	}
1976		2248
1977	$self->post_load;	2249	$self->post_load;
1978	}
1979		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2257	sub customise_for {
1981	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1982		2259
1983	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2261	if $self->per_player;
…		…
1987	# if $self->per_party;	2264	# if $self->per_party;
1988		2265
1989	$self	2266	$self
1990	}	2267	}
1991		2268
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($map) = @_;
1995
1996	my @neigh; # diagonal neighbours
1997
1998	for (0 .. 3) {
1999	my $neigh = $map->tile_path ($_)
2000	or next;
2001	$neigh = find $neigh, $map
2002	or next;
2003	$neigh->load;
2004
2005	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}
2009
2010	for (grep defined $_->[0], @neigh) {
2011	my ($path, $origin) = @$_;
2012	my $neigh = find $path, $origin
2013	or next;
2014	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2269	sub find_sync {
2019	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2020		2271
2021	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, $origin
2022	}	2277	}
2023		2278
2024	sub do_load_sync {	2279	sub do_load_sync {
2025	my ($map) = @_;	2280	my ($map) = @_;
2026		2281
		2282	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2029		2285
2030	cf::sync_job { $map->load };	2286	$map->load;
2031	}	2287	}
2032		2288
2033	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2035		2291
2036	sub find_async {	2292	sub find_async {
2037	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2038		2294
2039	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2040		2296
2041	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2043	}	2299	}
2044		2300
2045	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2046		2302
2047	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2061	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2062		2318
2063	()	2319	()
2064	}	2320	}
2065		2321
		2322	# common code, used by both ->save and ->swapout
2066	sub save {	2323	sub _save {
2067	my ($self) = @_;	2324	my ($self) = @_;
2068
2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
2070		2325
2071	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2072		2327
2073	return unless $self->dirty;	2328	return unless $self->dirty;
2074		2329
…		…
2083		2338
2084	cf::async {	2339	cf::async {
2085	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2087	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2088		2345
2089	if ($uniq) {	2346	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2349	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2094	}	2351	}
2095	}	2352	}
2096		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2097	sub swap_out {	2362	sub swap_out {
2098	my ($self) = @_;	2363	my ($self) = @_;
2099		2364
2100	# save first because save cedes
2101	$self->save;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2105	return if $self->players;	2369	return if $self->players;
2106	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
2107	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2108		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
2109	$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};
2110		2421
2111	$self->deactivate;	2422	$self->deactivate;
2112	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2113	$self->clear;	2424	$self->clear;
2114	}
2115
2116	sub reset_at {
2117	my ($self) = @_;
2118
2119	# TODO: safety, remove and allow resettable per-player maps
2120	return 1e99 if $self->{deny_reset};
2121
2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2124
2125	$time + $to
2126	}
2127
2128	sub should_reset {
2129	my ($self) = @_;
2130
2131	$self->reset_at <= $cf::RUNTIME
2132	}
2133
2134	sub reset {
2135	my ($self) = @_;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138
2139	return if $self->players;
2140
2141	warn "resetting map ", $self->path;
2142
2143	$self->in_memory (cf::MAP_SWAPPED);
2144
2145	# need to save uniques path
2146	unless ($self->{deny_save}) {
2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
2148
2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2150	if $uniq;
2151	}
2152
2153	delete $cf::MAP{$self->path};
2154
2155	$self->deactivate;
2156	$_->clear_links_to ($self) for values %cf::MAP;
2157	$self->clear;
2158		2425
2159	$self->unlink_save;	2426	$self->unlink_save;
2160	$self->destroy;	2427	$self->destroy;
2161	}	2428	}
2162		2429
…		…
2170		2437
2171	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2172		2439
2173	$self->unlink_save;	2440	$self->unlink_save;
2174		2441
2175	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2176	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2177	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2178	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2180		2447
…		…
2229		2496
2230	sub unique_maps() {	2497	sub unique_maps() {
2231	[	2498	[
2232	map {	2499	map {
2233	utf8::decode $_;	2500	utf8::decode $_;
2234	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2235	? normalise $_	2504	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2506	]
2239	}	2507	}
2240		2508
2241	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	}
2242		2540
2243	=back	2541	=back
2244		2542
2245	=head3 cf::object	2543	=head3 cf::object
2246		2544
…		…
2250		2548
2251	=over 4	2549	=over 4
2252		2550
2253	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2254		2552
2255	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.
2256		2555
2257	=cut	2556	=cut
2258		2557
2259	sub inv_recursive_;	2558	sub inv_recursive_;
2260	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2266	}	2565	}
2267		2566
2268	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2269		2568
2270	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.
2271		2570
2272	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2273		2572
2274	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,
2275	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2307	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
2308	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2309		2608
2310	=cut	2609	=cut
2311		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
2312	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2626	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2642
2330	} else {	2643	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2646	}
2334	}	2647	}
2335	}	2648	}
2336		2649
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2675
2363	=item $player_object->enter_link	2676	=item $player_object->enter_link
2364		2677
2365	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}>).
2366		2679
2367	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.
2368	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.
2369		2684
2370	Will never block.	2685	Will never block.
2371		2686
2372	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2373		2688
…		…
2393	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2709	my ($self) = @_;
2395		2710
2396	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2397		2712
		2713	++$self->{_link_recursion};
		2714
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2716
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2402		2719
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2721	}
2405		2722
2406	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2408		2725
…		…
2425	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2427		2744
2428	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2431		2748
2432	$map->load;	2749	$map->load;
2433	$map->load_neighbours;
2434		2750
2435	return unless $self->contr->active;	2751	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2752
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2440	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2441		2760
		2761	}
		2762
2442	=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)]])
2443		2764
2444	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
2445	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	be called at the end of this process.	2769	be called at the end of this process.
2449		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
2450	=cut	2774	=cut
2451		2775
2452	our $GOTOGEN;	2776	our $GOTOGEN;
2453		2777
2454	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2455	my ($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	}
2456		2786
2457	# 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
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2789
2460	$self->enter_link;	2790	$self->enter_link;
…		…
2480	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2481	}	2811	}
2482	}	2812	}
2483		2813
2484	my $map = eval {	2814	my $map = eval {
2485	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2486		2816
2487	if ($map) {	2817	if ($map) {
2488	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2489	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2490	} else {	2820	} else {
2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2492	}	2822	}
2493		2823
2494	$map	2824	$map
…		…
2502	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2503	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2504	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2505	}	2835	}
2506		2836
2507	$done->() if $done;	2837	$done->($self) if $done;
2508	})->prio (1);	2838	})->prio (1);
2509	}	2839	}
2510		2840
2511	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2512		2842
…		…
2532	}	2862	}
2533		2863
2534	sub prepare_random_map {	2864	sub prepare_random_map {
2535	my ($exit) = @_;	2865	my ($exit) = @_;
2536		2866
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2869	# that depends on the exit object
2542		2870
2543	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2873	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2550	}	2880	}
2551		2881
2552	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2553		2883
2554	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2557		2887
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2890	undef $fh;
2561	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2562		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2565	}	2899	}
2566	}	2900	}
2567		2901
2568	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2570		2904
2571	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2572		2906
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	2907	$self->enter_link;
2585		2908
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	2909	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2592		2911
2593	$self->deactivate_recursive; # just to be sure
2594	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
2595	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2596		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
2597	1;	2948	1
2598	}) {	2949	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "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. "
2601	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2954
2604	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2605	$self->leave_link;	2956	$self->leave_link;
2606	}	2957	}
2607	})->prio (1);	2958	})->prio (1);
2608	}	2959	}
2609		2960
…		…
2621	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2622	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2623		2974
2624	utf8::encode $text;	2975	utf8::encode $text;
2625	$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);
2626	}	3002	}
2627		3003
2628	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2629		3005
2630	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2634		3010
2635	=cut	3011	=cut
2636		3012
		3013	# non-persistent channels (usually the info channel)
2637	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	},
2638	"c/identify" => {	3021	"c/identify" => {
2639	id => "infobox",	3022	id => "infobox",
2640	title => "Identify",	3023	title => "Identify",
2641	reply => undef,	3024	reply => undef,
2642	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2645	id => "infobox",	3028	id => "infobox",
2646	title => "Examine",	3029	title => "Examine",
2647	reply => undef,	3030	reply => undef,
2648	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
2649	},	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",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
2650	"c/lookat" => {	3045	"c/lookat" => {
2651	id => "infobox",	3046	id => "infobox",
2652	title => "Look",	3047	title => "Look",
2653	reply => undef,	3048	reply => undef,
2654	tooltip => "What you saw there",	3049	tooltip => "What you saw there",
2655	},	3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		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	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		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" => $CHAT_CHANNEL,
2656	);	3125	);
2657		3126
2658	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2660		3129
2661	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2662		3132
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		3134
2665	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2668		3138
2669	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	3140	$channel = $channel->{id};
2673		3141
2674	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	3147	}
2681		3148
2682	$channel = $channel->{id};	3149	$channel = $channel->{id};
2683	}	3150	}
2684		3151
2685	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2686		3153
2687	if ($self->can_msg) {
2688	# default colour, mask it out	3154	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2691		3157
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	3161	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		3162
2706	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2707
2708	utf8::encode $msg;
2709
2710	if (0 && $msg =~ /\[/) {
2711	# COMMAND/INFO
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}
2719	}	3164	}
2720		3165
2721	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2722		3167
2723	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2726		3171
2727	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2728	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2729		3174
2730	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2732	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2733	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2735	}	3180	}
2736	}	3181	}
2737		3182
2738	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2739		3184
…		…
2742	=cut	3187	=cut
2743		3188
2744	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2745	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2746		3191
2747	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2749	} elsif ($self->extcmd == 1) {
2750	#TODO: version 1, remove
2751	unshift @msg, msgtype => "reply", msgid => $id;
2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2753	}
2754	}	3195	}
2755		3196
2756	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2757		3198
2758	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2813	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2814		3255
2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2816		3257
2817	if (ref $msg) {	3258	if (ref $msg) {
2818	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2819	"ARRAY" eq ref $msg
2820	? @$msg
2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2822		3260
2823	my @reply;	3261	my @reply;
2824		3262
2825	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2826	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2828		3266
2829	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2830	if $reply;	3268	if $reply;
2831		3269
2832	} else {	3270	} else {
2833	warn "client " . ($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";
2834	}	3272	}
2835		3273
2836	cf::override;	3274	cf::override;
2837	},	3275	},
2838	);	3276	);
…		…
2858		3296
2859	$coro	3297	$coro
2860	}	3298	}
2861		3299
2862	cf::client->attach (	3300	cf::client->attach (
2863	on_destroy => sub {	3301	on_client_destroy => sub {
2864	my ($ns) = @_;	3302	my ($ns) = @_;
2865		3303
2866	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2867	},	3305	},
2868	);	3306	);
…		…
2884	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2885		3323
2886	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2887		3325
2888	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2889	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2890	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2891	sort time	3329	sort time
2892	));	3330	));
2893		3331
2894	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2896	=pod	3334	=pod
2897		3335
2898	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2899		3337
2900	cf::object	3338	cf::object
2901	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
2903		3342
2904	cf::object::player	3343	cf::object::player
2905	player	3344	player
2906		3345
2907	cf::player	3346	cf::player
…		…
2912		3351
2913	=cut	3352	=cut
2914		3353
2915	for (	3354	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr)],	3357	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2922	) {	3361	) {
2923	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2926	for @funs;	3364	for @funs;
2927	}	3365	}
2928		3366
…		…
2943		3381
2944	my $qcode = $code;	3382	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2947		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2948	local $_;	3389	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;
2950		3390
2951	my $eval =	3391	my $eval =
2952	"do {\n"	3392	"do {\n"
2953	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2954	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2955	. $code	3395	. $code
2956	. "\n}"	3396	. "\n}"
2957	;	3397	;
2958		3398
		3399	if ($CFG{safe_eval}) {
2959	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2960	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2961	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2962		3408
2963	if ($@) {	3409	if ($@) {
2964	warn "$@";	3410	warn "$@",
2965	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2966	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2967	}	3413	}
2968		3414
2969	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2970	}	3416	}
2971		3417
…		…
2985	=cut	3431	=cut
2986		3432
2987	sub register_script_function {	3433	sub register_script_function {
2988	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2989		3435
2990	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2991	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2992	}	3438	}
2993		3439
2994	=back	3440	=back
2995		3441
2996	=cut	3442	=cut
…		…
3005	# for this (global event?)	3451	# for this (global event?)
3006	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3007		3453
3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3009		3455
3010	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3011		3457
3012	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3013	0 < aio_load $path, $facedata
3014	or die "$path: $!";
3015
3016	$facedata = Coro::Storable::thaw $facedata;
3017		3459
3018	$facedata->{version} == 2	3460	$facedata->{version} == 2
3019	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3020		3462
3021	# 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]);
3022	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3023	type => FT_RSRC,	3466	type => FT_RSRC,
3024	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),
3025	};	3469	};
3026	cf::cede_to_tick;	3470	cf::cede_to_tick;
3027		3471
3028	{	3472	{
3029	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
3030		3474
3031	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
3033	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3036	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} , $info->{glyph} ;
3037		3483
3038	cf::cede_to_tick;	3484	cf::cede_to_tick;
3039	}	3485	}
3040		3486
3041	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
3043	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
3044	or next;	3491	or next;
		3492
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3496	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3050	}	3498	}
3051		3499
3052	cf::cede_to_tick;	3500	cf::cede_to_tick;
3053	}	3501	}
3054	}	3502	}
…		…
3063		3511
3064	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3065	}	3513	}
3066		3514
3067	{	3515	{
3068	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3071		3517
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;
3077		3521
3078	if ($info->{type} & 1) {	3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3079	# prepend meta info	3523	cf::face::set_type $idx, $info->{type};
3080
3081	my $meta = $enc->encode ({
3082	name => $name,
3083	%{ $info->{meta} || {} },
3084	});
3085
3086	$data = pack "(w/a*)*", $meta, $info->{data};
3087	} else {	3524	} else {
3088	$data = $info->{data};	3525	$RESOURCE{$name} = $info; # unused
3089	}	3526	}
3090		3527
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3528	cf::cede_to_tick;
3095	}	3529	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3533
3116	1	3534	1
3117	}	3535	}
3118		3536
3119	register_exticmd fx_want => sub {	3537	register_exticmd fx_want => sub {
…		…
3121		3539
3122	while (my ($k, $v) = each %$want) {	3540	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3541	$ns->fx_want ($k, $v);
3124	}	3542	}
3125	};	3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
3126		3554
3127	sub reload_regions {	3555	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3556	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3557	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3558	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3572	}
3145		3573
3146	sub reload_archetypes {	3574	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3575	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3576	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3577	}
3155		3578
3156	sub reload_treasures {	3579	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
3159	}	3582	}
3160		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
3161	sub reload_resources {	3604	sub reload_resources {
3162	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
3163		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
3164	reload_regions;	3612	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3613	reload_treasures;
3169		3614
3170	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3616	}
3176		3617
3177	sub reload_config {	3618	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3619	trace "reloading config file...\n";
3179	or return;
3180		3620
3181	local $/;	3621	my $config = load_file "$CONFDIR/config";
3182	*CFG = YAML::Syck::Load <$fh>;	3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
3183		3624
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3185		3626
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3188		3629
3189	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
3193	};	3634	};
3194	warn $@ if $@;	3635	warn $@ if $@;
3195	}	3636	}
3196	}	3637	}
3197		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
3198	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
3199	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3680	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3682	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
3206	};	3684	};
3207		3685
		3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
3208	reload_config;	3698	reload_config;
3209	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
3210	load_extensions;	3709	load_extensions;
3211		3710
3212	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
3213	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
3214	}	3728	}
3215		3729
3216	#############################################################################	3730	#############################################################################
3217	# initialisation and cleanup	3731	# initialisation and cleanup
3218		3732
3219	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
3220	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
3229	},
3230	);	3739	};
3231	}	3740	}
3232	}	3741	}
3233		3742
3234	sub write_runtime {	3743	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
3236		3745
3237	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
3239		3748
3240	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3750
3242	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
3243		3752
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3245	or return;	3754	or return;
3246		3755
3247	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
3260		3769
3261	close $fh	3770	close $fh
3262	or return;	3771	or return;
3263		3772
3264	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3774	and return;
3266		3775
3267	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3268		3777
3269	1	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
3270	}	3829	}
3271		3830
3272	sub emergency_save() {	3831	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
3274		3833
3275	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
3276		3840
3277	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
3278	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3285	$pl->save;	3852	$pl->save;
3286	}	3853	}
3287	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
3288		3855
3289	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
3290	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
3291	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
3292	$map->valid or next;	3861	$map->valid or next;
3293	$map->save;	3862	$map->save;
3294	}	3863	}
3295	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
3296		3865
3297	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
3298	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
3299	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
3300	};	3894	};
3301		3895
3302	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
3303	}	3897	}
3304		3898
3305	sub post_cleanup {	3899	sub post_cleanup {
3306	my ($make_core) = @_;	3900	my ($make_core) = @_;
3307		3901
		3902	IO::AIO::flush;
		3903
3308	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
3309	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
3310	}	3934	}
3311		3935
3312	sub do_reload_perl() {	3936	sub do_reload_perl() {
3313	# can/must only be called in main	3937	# can/must only be called in main
3314	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
3315	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
3316	return;	3940	return;
3317	}	3941	}
3318		3942
3319	warn "reloading...";	3943	return if $RELOAD++;
3320		3944
3321	warn "entering sync_job";	3945	my $t1 = AE::time;
3322		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
3323	cf::sync_job {	3953	cf::sync_job {
3324	cf::write_runtime; # external watchdog should not bark
3325	cf::emergency_save;	3954	#cf::emergency_save;
3326	cf::write_runtime; # external watchdog should not bark
3327		3955
3328	warn "syncing database to disk";
3329	BDB::db_env_txn_checkpoint $DB_ENV;
3330
3331	# if anything goes wrong in here, we should simply crash as we already saved
3332
3333	warn "cancelling all WF_AUTOCANCEL watchers";
3334	for (Event::all_watchers) {
3335	$_->cancel if $_->data & WF_AUTOCANCEL;
3336	}
3337
3338	warn "flushing outstanding aio requests";
3339	for (;;) {
3340	BDB::flush;
3341	IO::AIO::flush;
3342	Coro::cede;
3343	last unless IO::AIO::nreqs || BDB::nreqs;
3344	warn "iterate...";
3345	}
3346
3347	++$RELOAD;
3348
3349	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
3350	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
3351	%EXT_CORO = ();	3958	%EXT_CORO = ();
3352		3959
3353	warn "removing commands";	3960	trace "perl_reload: removing commands";
3354	%COMMAND = ();	3961	%COMMAND = ();
3355		3962
3356	warn "removing ext/exti commands";	3963	trace "perl_reload: removing ext/exti commands";
3357	%EXTCMD = ();	3964	%EXTCMD = ();
3358	%EXTICMD = ();	3965	%EXTICMD = ();
3359		3966
3360	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
3361	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
3362	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
3363		3970
3364	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
3365	eval {	3972	eval {
3366	$cb->($pkg);	3973	$cb->($pkg);
3367	1	3974	1
3368	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
3369	}	3980	}
3370		3981
3371	warn "... nuking $pkg";
3372	Symbol::delete_package $pkg;
3373	}
3374
3375	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3376	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
3377	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3378		3985
3379	warn "... unloading $k";	3986	trace "... unloading $k";
3380	delete $INC{$k};	3987	delete $INC{$k};
3381		3988
3382	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
3383	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
3384		3991
3385	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
3386	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
3387	}	3997	}
3388		3998
3389	Symbol::delete_package $k;
3390	}
3391
3392	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
3393	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
3394	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3395		4002
3396	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
3397	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
3398	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3399		4006
3400	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
3401	# and global variables created in xs	4008	# and global variables created in xs
3402	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
3403		4010
3404	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
3405		4012
3406	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
3407	require cf;	4014	require cf;
3408	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
3409		4016
3410	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
3411	cf::reload_config;	4018	cf::reload_config;
3412		4019
3413	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
3414	cf::load_extensions;	4021	cf::load_extensions;
3415		4022
		4023	if ($REATTACH_ON_RELOAD) {
3416	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
3417	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
3418	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
3419	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
3420	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
3421	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
3422		4031
3423	warn "leaving sync_job";	4032	cf::_post_init 1;
3424		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
3425	1	4036	1
3426	} or do {	4037	} or do {
3427	warn $@;	4038	error $@;
3428	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
3429	exit 1;	4040	};
		4041
		4042	--$RELOAD;
3430	};	4043	}
3431		4044
3432	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
3433	};	4047	};
3434		4048
3435	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
3436		4050
3437	sub reload_perl() {	4051	sub reload_perl() {
3438	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
3439	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
3440		4054
3441	$RELOAD_WATCHER ||= Event->timer (	4055	$RELOAD_WATCHER ||= cf::async {
3442	reentrant => 0,	4056	Coro::AIO::aio_wait cache_extensions;
3443	after => 0,	4057
3444	data => WF_AUTOCANCEL,	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3445	cb => sub {
3446	do_reload_perl;	4059	do_reload_perl;
3447	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
3448	},	4061	};
3449	);	4062	};
3450	}	4063	}
3451		4064
3452	register_command "reload" => sub {	4065	register_command "reload" => sub {
3453	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
3454		4067
…		…
3459	reload_perl;	4072	reload_perl;
3460	};	4073	};
3461	}	4074	}
3462	};	4075	};
3463		4076
3464	unshift @INC, $LIBDIR;	4077	#############################################################################
3465		4078
3466	my $bug_warning = 0;	4079	my $bug_warning = 0;
3467		4080
3468	our @WAIT_FOR_TICK;
3469	our @WAIT_FOR_TICK_BEGIN;
3470
3471	sub wait_for_tick {	4081	sub wait_for_tick() {
3472	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3473	return if $Coro::current == $Coro::main;
3474		4083
3475	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
3476	push @WAIT_FOR_TICK, $signal;
3477	$signal->wait;
3478	}	4085	}
3479		4086
3480	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3481	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3482	return if $Coro::current == $Coro::main;
3483		4089
3484	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3485	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3486	$signal->wait;	4092	$signal->wait;
3487	}	4093	}
3488		4094
3489	$TICK_WATCHER = Event->timer (	4095	sub tick {
3490	reentrant => 0,
3491	parked => 1,
3492	prio => 0,
3493	at => $NEXT_TICK || $TICK,
3494	data => WF_AUTOCANCEL,
3495	cb => sub {
3496	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3498	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3499	return;	4099	return;
3500	}	4100	}
3501		4101
3502	$NOW = $tick_start = Event::time;	4102	cf::one_tick; # one server iteration
3503		4103
3504	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3505		4105
3506	$RUNTIME += $TICK;
3507	$NEXT_TICK += $TICK;
3508
3509	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3510	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3511	Coro::async_pool {	4108	Coro::async_pool {
3512	$Coro::current->{desc} = "runtime saver";	4109	$Coro::current->{desc} = "runtime saver";
3513	write_runtime	4110	write_runtime_sync
3514	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3515	};
3516	}	4112	};
		4113	}
3517		4114
3518	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3519	$sig->send;	4116	$sig->send;
3520	}	4117	}
3521	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3522	$sig->send;
3523	}
3524		4119
3525	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3526
3527	# if we are delayed by four ticks or more, skip them all
3528	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3529
3530	$TICK_WATCHER->at ($NEXT_TICK);
3531	$TICK_WATCHER->start;
3532
3533	$LOAD = ($NOW - $tick_start) / $TICK;
3534	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3535		4122
3536	_post_tick;	4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3537	},	4129	}
3538	);	4130	}
3539		4131
3540	{	4132	{
		4133	# configure BDB
		4134
3541	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3542	BDB::max_poll_time $TICK * 0.1;	4136	BDB::max_poll_reqs $TICK * 0.1;
3543	$BDB_POLL_WATCHER = Event->io (	4137	#$AnyEvent::BDB::WATCHER->priority (1);
3544	reentrant => 0,
3545	fd => BDB::poll_fileno,
3546	poll => 'r',
3547	prio => 0,
3548	data => WF_AUTOCANCEL,
3549	cb => \&BDB::poll_cb,
3550	);
3551
3552	BDB::set_sync_prepare {
3553	my $status;
3554	my $current = $Coro::current;
3555	(
3556	sub {
3557	$status = $!;
3558	$current->ready; undef $current;
3559	},
3560	sub {
3561	Coro::schedule while defined $current;
3562	$! = $status;
3563	},
3564	)
3565	};
3566		4138
3567	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3568	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
3569	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3570	| BDB::LOG_AUTOREMOVE, 1);	4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3571	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3572	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3573		4146
3574	cf::sync_job {	4147	cf::sync_job {
3575	eval {	4148	eval {
…		…
3585		4158
3586	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3587	};	4160	};
3588	}	4161	}
3589		4162
3590	$BDB_DEADLOCK_WATCHER = Event->timer (	4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3591	after => 3,
3592	interval => 1,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3598	},
3599	);	4165	};
3600	$BDB_CHECKPOINT_WATCHER = Event->timer (	4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3601	after => 11,
3602	interval => 60,
3603	hard => 1,
3604	prio => 0,
3605	data => WF_AUTOCANCEL,
3606	cb => sub {
3607	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3608	},
3609	);	4168	};
3610	$BDB_TRICKLE_WATCHER = Event->timer (	4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3611	after => 5,
3612	interval => 10,
3613	hard => 1,
3614	prio => 0,
3615	data => WF_AUTOCANCEL,
3616	cb => sub {
3617	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3618	},
3619	);	4171	};
3620	}	4172	}
3621		4173
3622	{	4174	{
		4175	# configure IO::AIO
		4176
3623	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3624
3625	undef $Coro::AIO::WATCHER;
3626	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3627	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3628	reentrant => 0,
3629	data => WF_AUTOCANCEL,
3630	fd => IO::AIO::poll_fileno,
3631	poll => 'r',
3632	prio => 0,
3633	cb => \&IO::AIO::poll_cb,
3634	);
3635	}	4180	}
3636		4181
3637	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3638		4184
3639	sub _log_backtrace {	4185	sub _log_backtrace {
3640	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3641		4187
3642	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3643		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3644	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3645	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3646	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3647	async {	4198	async {
3648	$Coro::current->{desc} = "abt $msg";	4199	$Coro::current->{desc} = "abt $msg";
3649		4200
3650	my @bt = fork_call {	4201	my @bt = fork_call {
3651	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
…		…
3662	}	4213	}
3663		4214
3664	@funcs	4215	@funcs
3665	};	4216	};
3666		4217
3667	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3668	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3669	--$_log_backtrace;	4221	--$_log_backtrace;
3670	};	4222	};
3671	} else {	4223	} else {
3672	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3673	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3674	}	4226	}
3675	}	4227	}
3676		4228
3677	# load additional modules	4229	# load additional modules
3678	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3679		4232
3680	END { cf::emergency_save }	4233	END { cf::emergency_save }
3681		4234
3682	1	4235	1
3683		4236

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