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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.383 by root, Thu Oct 11 21:09:29 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use 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
…		…
1194		1476
1195	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1478	if $reply;
1197		1479
1198	} else {	1480	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1482	}
1201		1483
1202	cf::override;	1484	cf::override;
1203	},	1485	},
1204	);	1486	);
1205		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1206	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1207	cf::sync_job {	1504	cf::sync_job {
1208	my %todo;	1505	my %todo;
1209		1506
1210	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1508	next unless -r $path;
…		…
1229		1526
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1529
1233	$ext{source} =	1530	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1236	. $source	1533	. $source
1237	. "\n};\n1";	1534	. "\n};\n1";
1238		1535
1239	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1240	}	1537	}
1241		1538
		1539	my $pass = 0;
1242	my %done;	1540	my %done;
1243	while (%todo) {	1541	while (%todo) {
1244	my $progress;	1542	my $progress;
1245		1543
		1544	++$pass;
		1545
		1546	ext:
1246	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1549	next ext
1249	unless exists $done{$_};	1550	unless exists $done{$_};
1250	}	1551	}
1251		1552
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1554
1254	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1259	warn $msg;	1562
1260	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1564	delete $todo{$k};
1262	}	1565	} else {
1263		1566	$done{$k} = delete $todo{$k};
1264	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1265	}	1572	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1573	}
1271		1574
1272	skip:	1575	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1275	}	1585	}
1276	};	1586	};
1277	}	1587	}
1278		1588
1279	#############################################################################	1589	#############################################################################
1280		1590
1281	=back	1591	=back
1282		1592
1283	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1284		1594
1285	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1286		1596
1287	=cut	1597	=cut
1288		1598
1289	package cf::player;	1599	package cf::player;
1290		1600
…		…
1333		1643
1334	sub exists($) {	1644	sub exists($) {
1335	my ($login) = @_;	1645	my ($login) = @_;
1336		1646
1337	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1339	}	1649	}
1340		1650
1341	sub find($) {	1651	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1653	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1666	or return;
1357		1667
1358	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1359	or return;	1669	or return;
		1670
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1363	}	1674	}
1364	}	1675	}
1365	}	1676	}
1366		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1367	sub save($) {	1691	sub save($) {
1368	my ($pl) = @_;	1692	my ($pl) = @_;
1369		1693
1370	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1371		1695
…		…
1374		1698
1375	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1376		1700
1377	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1708
1380	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1710	cf::cede_to_tick;
1382	}	1711	}
1383		1712
…		…
1415	my ($pl) = @_;	1744	my ($pl) = @_;
1416		1745
1417	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1418		1747
1419	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1750
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1425	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1426		1759
1427	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1467		1800
1468	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1469	my $path = path $login;	1802	my $path = path $login;
1470		1803
1471	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1810	}
1477		1811
…		…
1481		1815
1482	\@logins	1816	\@logins
1483	}	1817	}
1484		1818
1485	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1486		1822
1487	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1488	player. May block.	1824	player. May block.
1489		1825
1490	=cut	1826	=cut
…		…
1508	}	1844	}
1509		1845
1510	\@paths	1846	\@paths
1511	}	1847	}
1512		1848
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1850
1515	Expand crossfire pod fragments into protocol xml.	1851	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		1852
1564	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1565		1854
1566	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1567		1856
…		…
1599		1888
1600	=cut	1889	=cut
1601		1890
1602	sub find_by_path($) {	1891	sub find_by_path($) {
1603	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1604		1895
1605	my ($match, $specificity);	1896	my ($match, $specificity);
1606		1897
1607	for my $region (list) {	1898	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1636		1927
1637	sub generate_random_map {	1928	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1640	$self->_create_random_map (	1933	$self->_create_random_map ($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}), $rmp->{custom}
1652	)
1653	}	1934	}
1654		1935
1655	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1656		1937
1657	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1662		1943
1663	sub register {	1944	sub register {
1664	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1946	my $pkg = caller;
1666		1947
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1949
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1951	}
1672		1952
1673	# also paths starting with '/'	1953	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1955
1676	sub thawer_merge {	1956	sub thawer_merge {
1677	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1678		1958
1679	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1684	}	1964	}
1685		1965
1686	sub normalise {	1966	sub normalise {
1687	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1688		1968
1689	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1690		1970
1691	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1692		1972
1693	# map plan:	1973	# map plan:
1694	#	1974	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1990	$path = "$base/$path";
1711	}	1991	}
1712		1992
1713	for ($path) {	1993	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1717	}	1996	}
1718		1997
1719	$path	1998	$path
…		…
1733	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1734	return $self;	2013	return $self;
1735	}	2014	}
1736	}	2015	}
1737		2016
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2018	()
1740	}	2019	}
1741		2020
		2021	# may re-bless or do other evil things
1742	sub init {	2022	sub init {
1743	my ($self) = @_;	2023	my ($self) = @_;
1744		2024
1745	$self	2025	$self
1746	}	2026	}
…		…
1765		2045
1766	# the temporary/swap location	2046	# the temporary/swap location
1767	sub save_path {	2047	sub save_path {
1768	my ($self) = @_;	2048	my ($self) = @_;
1769		2049
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1772	}	2052	}
1773		2053
1774	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1775	sub uniq_path {	2055	sub uniq_path {
1776	my ($self) = @_;	2056	my ($self) = @_;
1777		2057
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1789	}	2060	}
1790		2061
1791	sub decay_objects {	2062	sub decay_objects {
1792	my ($self) = @_;	2063	my ($self) = @_;
1793		2064
…		…
1820	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1821		2092
1822	1	2093	1
1823	}	2094	}
1824		2095
		2096	# used to laod the header of an original map
1825	sub load_header_orig {	2097	sub load_header_orig {
1826	my ($self) = @_;	2098	my ($self) = @_;
1827		2099
1828	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1829	}	2101	}
1830		2102
		2103	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2104	sub load_header_temp {
1832	my ($self) = @_;	2105	my ($self) = @_;
1833		2106
1834	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1835	}	2108	}
1836		2109
		2110	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2111	sub prepare_temp {
1838	my ($self) = @_;	2112	my ($self) = @_;
1839		2113
1840	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1842	# safety	2116	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2119	}
1846		2120
		2121	# called after loading the header from an original map
1847	sub prepare_orig {	2122	sub prepare_orig {
1848	my ($self) = @_;	2123	my ($self) = @_;
1849		2124
1850	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2150
1876	sub find;	2151	sub find;
1877	sub find {	2152	sub find {
1878	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1879		2154
		2155	cf::cede_to_tick;
		2156
1880	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1881		2158
1882	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2161
1885	$cf::MAP{$path} || do {	2162	$cf::MAP{$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	2163	my $map = new_from_path cf::map $path
1890	or return;	2164	or return;
1891		2165
1892	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1893		2167
…		…
1895	or return;	2169	or return;
1896		2170
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1900	undef $guard1;	2175	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2176	$map->reset;
1903	return find $path;	2177	return find $path;
1904	}	2178	}
1905		2179
1906	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1907	}	2181	}
1908	}	2182	}
1909		2183
1910	sub pre_load { }	2184	sub pre_load { }
1911	sub post_load { }	2185	#sub post_load { } # XS
1912		2186
1913	sub load {	2187	sub load {
1914	my ($self) = @_;	2188	my ($self) = @_;
1915		2189
1916	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2193
1920	{	2194	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1922		2196
1923	return unless $self->valid;	2197	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2199
1928	$self->alloc;	2200	$self->alloc;
1929		2201
1930	$self->pre_load;	2202	$self->pre_load;
1931	cf::cede_to_tick;	2203	cf::cede_to_tick;
1932		2204
		2205	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2207	$f->skip_block;
1935	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1936	or return;	2209	or return;
1937		2210
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1939	if delete $self->{load_original};	2212	if delete $self->{load_original};
1940		2213
1941	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2215	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2218	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1948	}	2222	}
1949	}	2223	}
1950	}
1951		2224
1952	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
1953		2232
1954	cf::cede_to_tick;	2233	cf::cede_to_tick;
1955	# now do the right thing for maps	2234	# now do the right thing for maps
1956	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2241	$self->decay_objects;
1963	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1964	$self->update_buttons;	2243	$self->update_buttons;
1965	cf::cede_to_tick;	2244	cf::cede_to_tick;
1966	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2246	}
1970		2247
1971	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2250	}
1976		2251
1977	$self->post_load;	2252	$self->post_load;
1978	}
1979		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2260	sub customise_for {
1981	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1982		2262
1983	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2264	if $self->per_player;
…		…
1987	# if $self->per_party;	2267	# if $self->per_party;
1988		2268
1989	$self	2269	$self
1990	}	2270	}
1991		2271
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($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	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2272	sub find_sync {
2019	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2020		2274
2021	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2022	}	2280	}
2023		2281
2024	sub do_load_sync {	2282	sub do_load_sync {
2025	my ($map) = @_;	2283	my ($map) = @_;
2026		2284
		2285	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2029		2288
2030	cf::sync_job { $map->load };	2289	$map->load;
2031	}	2290	}
2032		2291
2033	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2035		2294
2036	sub find_async {	2295	sub find_async {
2037	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2038		2297
2039	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2040		2299
2041	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2043	}	2302	}
2044		2303
2045	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2046		2305
2047	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2061	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2062		2321
2063	()	2322	()
2064	}	2323	}
2065		2324
		2325	# common code, used by both ->save and ->swapout
2066	sub save {	2326	sub _save {
2067	my ($self) = @_;	2327	my ($self) = @_;
2068
2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
2070		2328
2071	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2072		2330
2073	return unless $self->dirty;	2331	return unless $self->dirty;
2074		2332
…		…
2083		2341
2084	cf::async {	2342	cf::async {
2085	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2087	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2088		2348
2089	if ($uniq) {	2349	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2352	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2094	}	2354	}
2095	}	2355	}
2096		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2097	sub swap_out {	2365	sub swap_out {
2098	my ($self) = @_;	2366	my ($self) = @_;
2099		2367
2100	# save first because save cedes
2101	$self->save;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2105	return if $self->players;	2372	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2107	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2108		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2109	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2110		2424
2111	$self->deactivate;	2425	$self->deactivate;
2112	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2113	$self->clear;	2427	$self->clear;
2114	}
2115
2116	sub reset_at {
2117	my ($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		2428
2159	$self->unlink_save;	2429	$self->unlink_save;
2160	$self->destroy;	2430	$self->destroy;
2161	}	2431	}
2162		2432
…		…
2170		2440
2171	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2172		2442
2173	$self->unlink_save;	2443	$self->unlink_save;
2174		2444
2175	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2176	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2177	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2178	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2180		2450
…		…
2229		2499
2230	sub unique_maps() {	2500	sub unique_maps() {
2231	[	2501	[
2232	map {	2502	map {
2233	utf8::decode $_;	2503	utf8::decode $_;
2234	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2235	? normalise $_	2507	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2509	]
2239	}	2510	}
2240		2511
2241	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2242		2543
2243	=back	2544	=back
2244		2545
2245	=head3 cf::object	2546	=head3 cf::object
2246		2547
…		…
2250		2551
2251	=over 4	2552	=over 4
2252		2553
2253	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2254		2555
2255	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2256		2558
2257	=cut	2559	=cut
2258		2560
2259	sub inv_recursive_;	2561	sub inv_recursive_;
2260	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2266	}	2568	}
2267		2569
2268	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2269		2571
2270	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2271		2573
2272	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2273		2575
2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2309		2611
2310	=cut	2612	=cut
2311		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2312	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2629	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2645
2330	} else {	2646	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2649	}
2334	}	2650	}
2335	}	2651	}
2336		2652
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2678
2363	=item $player_object->enter_link	2679	=item $player_object->enter_link
2364		2680
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2682
2367	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2369		2687
2370	Will never block.	2688	Will never block.
2371		2689
2372	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2373		2691
…		…
2393	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2712	my ($self) = @_;
2395		2713
2396	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2397		2715
		2716	++$self->{_link_recursion};
		2717
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2719
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2402		2722
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2724	}
2405		2725
2406	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2408		2728
…		…
2425	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2427		2747
2428	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2431		2751
2432	$map->load;	2752	$map->load;
2433	$map->load_neighbours;
2434		2753
2435	return unless $self->contr->active;	2754	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2755
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2440	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2441		2763
		2764	}
		2765
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2767
2444	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2769	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	2770	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	2771	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2772	be called at the end of this process.
2449		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2450	=cut	2777	=cut
2451		2778
2452	our $GOTOGEN;	2779	our $GOTOGEN;
2453		2780
2454	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2456		2789
2457	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2792
2460	$self->enter_link;	2793	$self->enter_link;
…		…
2480	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2481	}	2814	}
2482	}	2815	}
2483		2816
2484	my $map = eval {	2817	my $map = eval {
2485	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2486		2819
2487	if ($map) {	2820	if ($map) {
2488	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2489	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2490	} else {	2823	} else {
2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2492	}	2825	}
2493		2826
2494	$map	2827	$map
…		…
2502	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2503	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2504	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2505	}	2838	}
2506		2839
2507	$done->() if $done;	2840	$done->($self) if $done;
2508	})->prio (1);	2841	})->prio (1);
2509	}	2842	}
2510		2843
2511	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2512		2845
…		…
2532	}	2865	}
2533		2866
2534	sub prepare_random_map {	2867	sub prepare_random_map {
2535	my ($exit) = @_;	2868	my ($exit) = @_;
2536		2869
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2872	# that depends on the exit object
2542		2873
2543	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2876	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2550	}	2883	}
2551		2884
2552	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2553		2886
2554	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2557		2890
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2893	undef $fh;
2561	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2562		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2565	}	2902	}
2566	}	2903	}
2567		2904
2568	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2570		2907
2571	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2572		2909
2573	if ($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;	2910	$self->enter_link;
2585		2911
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 {	2912	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2592		2914
2593	$self->deactivate_recursive; # just to be sure
2594	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2595	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2596		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2597	1;	2951	1
2598	}) {	2952	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2601	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2957
2604	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2605	$self->leave_link;	2959	$self->leave_link;
2606	}	2960	}
2607	})->prio (1);	2961	})->prio (1);
2608	}	2962	}
2609		2963
…		…
2621	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2622	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2623		2977
2624	utf8::encode $text;	2978	utf8::encode $text;
2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2626	}	3005	}
2627		3006
2628	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2629		3008
2630	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2634		3013
2635	=cut	3014	=cut
2636		3015
		3016	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2638	"c/identify" => {	3024	"c/identify" => {
2639	id => "infobox",	3025	id => "infobox",
2640	title => "Identify",	3026	title => "Identify",
2641	reply => undef,	3027	reply => undef,
2642	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2645	id => "infobox",	3031	id => "infobox",
2646	title => "Examine",	3032	title => "Examine",
2647	reply => undef,	3033	reply => undef,
2648	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
2649	},	3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
2650	"c/lookat" => {	3048	"c/lookat" => {
2651	id => "infobox",	3049	id => "infobox",
2652	title => "Look",	3050	title => "Look",
2653	reply => undef,	3051	reply => undef,
2654	tooltip => "What you saw there",	3052	tooltip => "What you saw there",
2655	},	3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2656	);	3128	);
2657		3129
2658	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2660		3132
2661	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2662		3135
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		3137
2665	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2668		3141
2669	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	3143	$channel = $channel->{id};
2673		3144
2674	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	3150	}
2681		3151
2682	$channel = $channel->{id};	3152	$channel = $channel->{id};
2683	}	3153	}
2684		3154
2685	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2686		3156
2687	if ($self->can_msg) {
2688	# default colour, mask it out	3157	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2691		3160
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	3164	);
2695	if ($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		3165
2706	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($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	}	3167	}
2720		3168
2721	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2722		3170
2723	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2726		3174
2727	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2728	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2729		3177
2730	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2732	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2733	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2735	}	3183	}
2736	}	3184	}
2737		3185
2738	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2739		3187
…		…
2743		3191
2744	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2745	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2746		3194
2747	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2749	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2750	#TODO: version 1, remove	3198	#TODO: version 1, remove
2751	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2753	}	3201	}
2754	}	3202	}
2755		3203
2756	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2757		3205
…		…
2828		3276
2829	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2830	if $reply;	3278	if $reply;
2831		3279
2832	} else {	3280	} else {
2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2834	}	3282	}
2835		3283
2836	cf::override;	3284	cf::override;
2837	},	3285	},
2838	);	3286	);
…		…
2858		3306
2859	$coro	3307	$coro
2860	}	3308	}
2861		3309
2862	cf::client->attach (	3310	cf::client->attach (
2863	on_destroy => sub {	3311	on_client_destroy => sub {
2864	my ($ns) = @_;	3312	my ($ns) = @_;
2865		3313
2866	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2867	},	3315	},
2868	);	3316	);
…		…
2884	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2885		3333
2886	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2887		3335
2888	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
2889	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
2890	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
2891	sort time	3339	sort time
2892	));	3340	));
2893		3341
2894	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
2897		3345
2898	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2899		3347
2900	cf::object	3348	cf::object
2901	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
2903		3352
2904	cf::object::player	3353	cf::object::player
2905	player	3354	player
2906		3355
2907	cf::player	3356	cf::player
…		…
2912		3361
2913	=cut	3362	=cut
2914		3363
2915	for (	3364	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2922	) {	3371	) {
2923	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2926	for @funs;	3374	for @funs;
2927	}	3375	}
2928		3376
…		…
2943		3391
2944	my $qcode = $code;	3392	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2947		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2948	local $_;	3399	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;
2950		3400
2951	my $eval =	3401	my $eval =
2952	"do {\n"	3402	"do {\n"
2953	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2954	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2955	. $code	3405	. $code
2956	. "\n}"	3406	. "\n}"
2957	;	3407	;
2958		3408
		3409	if ($CFG{safe_eval}) {
2959	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2960	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2961	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2962		3418
2963	if ($@) {	3419	if ($@) {
2964	warn "$@";	3420	warn "$@",
2965	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2966	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2967	}	3423	}
2968		3424
2969	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2970	}	3426	}
2971		3427
…		…
2985	=cut	3441	=cut
2986		3442
2987	sub register_script_function {	3443	sub register_script_function {
2988	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2989		3445
2990	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2991	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2992	}	3448	}
2993		3449
2994	=back	3450	=back
2995		3451
2996	=cut	3452	=cut
…		…
3005	# for this (global event?)	3461	# for this (global event?)
3006	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3007		3463
3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3009		3465
3010	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3011		3467
3012	my $facedata;	3468	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		3469
3018	$facedata->{version} == 2	3470	$facedata->{version} == 2
3019	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3020		3472
3021	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3022	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3023	type => FT_RSRC,	3476	type => FT_RSRC,
3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3025	};	3479	};
3026	cf::cede_to_tick;	3480	cf::cede_to_tick;
3027		3481
3028	{	3482	{
3029	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
3030		3484
3031	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
3033	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3037		3493
3038	cf::cede_to_tick;	3494	cf::cede_to_tick;
3039	}	3495	}
3040		3496
3041	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
3043	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
3044	or next;	3501	or next;
		3502
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3506	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3050	}	3508	}
3051		3509
3052	cf::cede_to_tick;	3510	cf::cede_to_tick;
3053	}	3511	}
3054	}	3512	}
…		…
3063		3521
3064	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3065	}	3523	}
3066		3524
3067	{	3525	{
3068	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3071		3527
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;
3077		3531
3078	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3079	# prepend meta info	3533	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 {	3534	} else {
3088	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
3089	}	3536	}
3090		3537
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3538	cf::cede_to_tick;
3095	}	3539	}
3096
3097	if ($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 => $face;
3112	}
3113	}
3114	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3543
3116	1	3544	1
3117	}	3545	}
3118		3546
3119	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3121		3549
3122	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3124	}	3552	}
3125	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3126		3564
3127	sub reload_regions {	3565	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3567	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3582	}
3145		3583
3146	sub reload_archetypes {	3584	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3587	}
3155		3588
3156	sub reload_treasures {	3589	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3159	}	3592	}
3160		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3161	sub reload_resources {	3614	sub reload_resources {
3162	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3163		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3164	reload_regions;	3622	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3623	reload_treasures;
3169		3624
3170	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3626	}
3176		3627
3177	sub reload_config {	3628	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3179	or return;
3180		3630
3181	local $/;	3631	my $config = load_file "$CONFDIR/config";
3182	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3183		3634
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3185		3636
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3188		3639
3189	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3193	};	3644	};
3194	warn $@ if $@;	3645	warn $@ if $@;
3195	}	3646	}
3196	}	3647	}
3197		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3198	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3199	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3690	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3692	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3206	};	3694	};
3207		3695
		3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
3208	reload_config;	3708	reload_config;
3209	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3210	load_extensions;	3719	load_extensions;
3211		3720
3212	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3213	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3214	}	3739	}
3215		3740
3216	#############################################################################	3741	#############################################################################
3217	# initialisation and cleanup	3742	# initialisation and cleanup
3218		3743
3219	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3220	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3748	$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";	3749	cf::cleanup "SIG$signal";
3229	},
3230	);	3750	};
3231	}	3751	}
3232	}	3752	}
3233		3753
3234	sub write_runtime {	3754	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3236		3756
3237	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3239		3759
3240	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3761
3242	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3243		3763
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3245	or return;	3765	or return;
3246		3766
3247	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3260		3780
3261	close $fh	3781	close $fh
3262	or return;	3782	or return;
3263		3783
3264	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3785	and return;
3266		3786
3267	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3268		3788
3269	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3270	}	3840	}
3271		3841
3272	sub emergency_save() {	3842	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3274		3844
3275	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3276		3851
3277	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3278	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3861	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3863	$pl->save;
3287	}	3864	}
3288	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3289		3866
3290	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3872	$map->valid or next;
3294	$map->save;	3873	$map->save;
3295	}	3874	}
3296	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3297		3876
3298	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3301	};	3905	};
3302		3906
3303	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3304	}	3908	}
3305		3909
3306	sub post_cleanup {	3910	sub post_cleanup {
3307	my ($make_core) = @_;	3911	my ($make_core) = @_;
3308		3912
		3913	IO::AIO::flush;
		3914
3309	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3310	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3311	}	3945	}
3312		3946
3313	sub do_reload_perl() {	3947	sub do_reload_perl() {
3314	# can/must only be called in main	3948	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3316	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3317	return;	3951	return;
3318	}	3952	}
3319		3953
3320	warn "reloading...";	3954	return if $RELOAD++;
3321		3955
3322	warn "entering sync_job";	3956	my $t1 = AE::time;
3323		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3324	cf::sync_job {	3964	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark
3326	cf::emergency_save;	3965	#cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark
3328		3966
3329	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;
3331
3332	# if anything goes wrong in here, we should simply crash as we already saved
3333
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;
3345	warn "iterate...";
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();	3969	%EXT_CORO = ();
3353		3970
3354	warn "removing commands";	3971	trace "perl_reload: removing commands";
3355	%COMMAND = ();	3972	%COMMAND = ();
3356		3973
3357	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3358	%EXTCMD = ();	3975	%EXTCMD = ();
3359	%EXTICMD = ();	3976	%EXTICMD = ();
3360		3977
3361	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3364		3981
3365	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3366	eval {	3983	eval {
3367	$cb->($pkg);	3984	$cb->($pkg);
3368	1	3985	1
3369	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3370	}	3991	}
3371		3992
3372	warn "... nuking $pkg";
3373	Symbol::delete_package $pkg;
3374	}
3375
3376	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3377	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3996
3380	warn "... unloading $k";	3997	trace "... unloading $k";
3381	delete $INC{$k};	3998	delete $INC{$k};
3382		3999
3383	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3385		4002
3386	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3387	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3388	}	4008	}
3389		4009
3390	Symbol::delete_package $k;
3391	}
3392
3393	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3396		4013
3397	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		4017
3401	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3402	# and global variables created in xs	4019	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3404		4021
3405	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3406		4023
3407	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3408	require cf;	4025	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3410		4027
3411	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3412	cf::reload_config;	4029	cf::reload_config;
3413		4030
3414	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3415	cf::load_extensions;	4032	cf::load_extensions;
3416		4033
		4034	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3420	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3423		4042
3424	warn "leaving sync_job";	4043	cf::_post_init 1;
3425		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3426	1	4047	1
3427	} or do {	4048	} or do {
3428	warn $@;	4049	error $@;
3429	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3430	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3431	};	4054	}
3432		4055
3433	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3434	};	4058	};
3435		4059
3436	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3437		4061
3438	sub reload_perl() {	4062	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3441		4065
3442	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	4068
3445	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	4070	do_reload_perl;
3448	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3449	},	4072	};
3450	);	4073	};
3451	}	4074	}
3452		4075
3453	register_command "reload" => sub {	4076	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
3455		4078
…		…
3460	reload_perl;	4083	reload_perl;
3461	};	4084	};
3462	}	4085	}
3463	};	4086	};
3464		4087
3465	unshift @INC, $LIBDIR;	4088	#############################################################################
3466		4089
3467	my $bug_warning = 0;	4090	my $bug_warning = 0;
3468		4091
3469	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;
3471
3472	sub wait_for_tick {	4092	sub wait_for_tick() {
3473	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3474	return if $Coro::current == $Coro::main;
3475		4094
3476	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3477	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;
3479	}	4096	}
3480		4097
3481	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3482	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3483	return if $Coro::current == $Coro::main;
3484		4100
3485	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	4103	$signal->wait;
3488	}	4104	}
3489		4105
3490	$TICK_WATCHER = Event->timer (	4106	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3500	return;	4110	return;
3501	}	4111	}
3502		4112
3503	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
3504		4114
3505	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3506		4116
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	4119	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	4121	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3516	};
3517	}	4123	};
		4124	}
3518		4125
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	4127	$sig->send;
3521	}	4128	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3523	$sig->send;
3524	}
3525		4130
3526	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		4133
3537	_post_tick;	4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3538	},	4140	}
3539	);	4141	}
3540		4142
3541	{	4143	{
		4144	# configure BDB
		4145
3542	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3543	BDB::max_poll_time $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	4148	$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		4149
3568	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| BDB::LOG_AUTOREMOVE, 1);	4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		4157
3575	cf::sync_job {	4158	cf::sync_job {
3576	eval {	4159	eval {
…		…
3586		4169
3587	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	4171	};
3589	}	4172	}
3590		4173
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599	},
3600	);	4176	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	4179	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	4182	};
3621	}	4183	}
3622		4184
3623	{	4185	{
		4186	# configure IO::AIO
		4187
3624	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	4191	}
3637		4192
3638	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3639		4195
3640	sub _log_backtrace {	4196	sub _log_backtrace {
3641	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3642		4198
3643	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3644		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3645	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3647	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3648	async {	4209	async {
3649	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3650		4211
3651	my @bt = fork_call {	4212	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	4224	}
3664		4225
3665	@funcs	4226	@funcs
3666	};	4227	};
3667		4228
3668	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	4232	--$_log_backtrace;
3671	};	4233	};
3672	} else {	4234	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3675	}	4237	}
3676	}	4238	}
3677		4239
3678	# load additional modules	4240	# load additional modules
3679	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3680		4243
3681	END { cf::emergency_save }	4244	END { cf::emergency_save }
3682		4245
3683	1	4246	1
3684		4247

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