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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.576 by root, Tue Jan 3 02:08:49 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
94		139
95	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
98		143
99	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		146
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
105		159
106	binmode STDOUT;	160	binmode STDOUT;
107	binmode STDERR;	161	binmode STDERR;
108		162
109	# read virtual server time, if available	163	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
114	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
115		171
116	mkdir $_	172	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		174
119	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
120		176
121	sub cf::map::normalise;	177	sub cf::map::normalise;
122		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
123	#############################################################################	183	#############################################################################
124		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
125	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
126		197
127	=over 4	198	=over 4
128		199
129	=item $cf::UPTIME	200	=item $cf::UPTIME
130		201
131	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
132		218
133	=item $cf::RUNTIME	219	=item $cf::RUNTIME
134		220
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	222	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
145	database environment.	231	database environment.
146		232
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	233	=item $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
162		240
163	The raw value load value from the last tick.	241	The raw value load value from the last tick.
164		242
165	=item %cf::CFG	243	=item %cf::CFG
166		244
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	275	that call.
181		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
198		317
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	328	for my $pkg (qw(
210	cf::global cf::attachable	329	cf::global cf::attachable
211	cf::object cf::object::player	330	cf::object cf::object::player
212	cf::client cf::player	331	cf::client cf::player
213	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
214	cf::map cf::party cf::region	334	cf::party cf::region
215	)) {	335	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	337	}
219		338
220	$Event::DIED = sub {	339	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
253	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
254		392
255	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
256		394
257	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
258		396
259	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
260		398
261	=cut	399	=cut
262		400
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		402
265	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
267		467
268	=item cf::lock_wait $string	468	=item cf::lock_wait $string
269		469
270	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
271		471
272	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
273		473
274	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
277	returned.	477	returned.
278		478
279	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	480	deadlocked coro.
…		…
286		486
287	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
288		488
289	=cut	489	=cut
290		490
291	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		492
294	sub lock_wait($) {	493	sub lock_wait($) {
295	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	495	}
308		496
309	sub lock_acquire($) {	497	sub lock_acquire($) {
310	my ($key) = @_;	498	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	499	}
324		500
325	sub lock_active($) {	501	sub lock_active($) {
326	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	503	}
330		504
331	sub freeze_mainloop {	505	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
333		507
334	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	509	}
336	};	510
337	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
338	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
339	}	524	}
340		525
341	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
342		527
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
346		535
347	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
349		538
350	Useful for short background jobs.	539	Useful for short background jobs.
351		540
352	=cut	541	=cut
353		542
354	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
356		546
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
360		550
361	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
362		553
363	while () {	554	while () {
364	next_job:	555	next_job:
		556
365	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	558
367	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	563	$job->[2]->send;
371	Coro::cede;	564	Coro::cede;
372	goto next_job;	565	goto next_job;
373	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	568	}
375	}	569	}
376		570
377	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	574	} else {
		575	$busy = 0;
382	Coro::schedule;	576	Coro::schedule;
383	}	577	}
384	}	578	}
385	};	579	};
386		580
387	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
388	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
389		585
390	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
391	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
392		589
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
406		603
407	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
408		605
409	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
410		607
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	611	acceptable.
415		612
416	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	618	=cut
422		619
423	sub sync_job(&) {	620	sub sync_job(&) {
424	my ($job) = @_;	621	my ($job) = @_;
425		622
426	if ($Coro::current == $Coro::main) {	623	if (in_main) {
427	my $time = Event::time;	624	my $time = AE::time;
428		625
429	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
431		628
432	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
433		630
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
437		632
438	my $busy = 1;	633	my $busy = 1;
439	my @res;	634	my @res;
440		635
441	(async {	636	(async {
442	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	638	@res = eval { $job->() };
444	warn $@ if $@;	639	error $@ if $@;
445	undef $busy;	640	undef $busy;
446	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
447		642
448	while ($busy) {	643	while ($busy) {
449	if (Coro::nready) {	644	if (Coro::nready) {
450	Coro::cede_notself;	645	Coro::cede_notself;
451	} else {	646	} else {
452	Event::one_event;	647	EV::loop EV::LOOP_ONESHOT;
453	}	648	}
454	}	649	}
455		650
456	$time = Event::time - $time;	651	my $time = AE::time - $time;
457		652
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
462		654
463	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
464	} else {	656	} else {
465	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
466		658
…		…
486	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
487		679
488	$coro	680	$coro
489	}	681	}
490		682
491	=item fork_call { }, $args	683	=item fork_call { }, @args
492		684
493	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
497		689
498	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
499		695
500	sub fork_call(&@) {	696	sub fork_call(&@) {
501	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
502		698
503	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
506		702
507	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
508	reset_signals;	704	cf::post_fork;
509	&$cb	705	&$cb
510	}, @args;	706	} @args;
511		707
512	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
513	}	747	}
514		748
515	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
516		750
517	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
527	within each server.	761	within each server.
528		762
529	=cut	763	=cut
530		764
531	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
532	my ($name) = @_;	769	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
534		771
535	eval {	772	eval {
536	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
546	}	783	}
547		784
548	our $DB;	785	our $DB;
549		786
550	sub db_init {	787	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	788	$DB ||= db_table "db";
553	};
554	}	789	}
555		790
556	sub db_get($$) {	791	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
558		793
559	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
560	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
561		798
562	$! ? ()	799	$! ? ()
563	: $data	800	: $data
564	}
565	}	801	}
566		802
567	sub db_put($$$) {	803	sub db_put($$$) {
568	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		833
598	my @data;	834	my @data;
599	my $md5;	835	my $md5;
600		836
601	for (0 .. $#$src) {	837	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	839	}
605		840
606	# if processing is expensive, check	841	# if processing is expensive, check
607	# checksum first	842	# checksum first
608	if (1) {	843	if (1) {
…		…
625		860
626	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	862	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
629		864
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		866
632	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
635		870
…		…
645		880
646	=cut	881	=cut
647		882
648	sub datalog($@) {	883	sub datalog($@) {
649	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	886	}
652		887
653	=back	888	=back
654		889
655	=cut	890	=cut
656		891
657	#############################################################################	892	#############################################################################
658		893
659	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
660		895
661	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
664		899
665	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	902	Deliantra).
668		903
669	=over 4	904	=over 4
670		905
671	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
672		907
…		…
716	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
717		952
718	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
720		955
721	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
723		958
724	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
725		960
726	=over 4	961	=over 4
…		…
850		1085
851	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1088
854	} elsif (ref $type) {	1089	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
856		1091
857	} else {	1092	} else {
858	shift @arg;	1093	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
860	}	1095	}
861	}	1096	}
862	}	1097	}
863		1098
864	sub _object_attach {	1099	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
875	}	1110	}
876		1111
877	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
878	} else {	1113	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1115	}
881		1116
882	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
883	}	1118	}
884		1119
…		…
943		1178
944	for (@$callbacks) {	1179	for (@$callbacks) {
945	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
946		1181
947	if ($@) {	1182	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1184	override;
951	}	1185	}
952		1186
953	return 1 if $override;	1187	return 1 if $override;
954	}	1188	}
955		1189
956	0	1190	0
957	}	1191	}
958		1192
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1194
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1196
963	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
964		1198
…		…
1017		1251
1018	sub reattach {	1252	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1254	my ($obj) = @_;
1021		1255
		1256	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1258
1024	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1025		1260
1026	@$registry = ();	1261	@$registry = ();
1027		1262
…		…
1032	for (@$attach) {	1267	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1035	}	1270	}
1036	} else {	1271	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1273	}
1039	}	1274	}
1040	}	1275	}
1041		1276
1042	cf::attachable->attach (	1277	cf::attachable->attach (
1043	prio => -1000000,	1278	prio => -1000000,
1044	on_instantiate => sub {	1279	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1046		1281
1047	$data = from_json $data;	1282	$data = decode_json $data;
1048		1283
1049	for (@$data) {	1284	for (@$data) {
1050	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1051		1286
1052	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1070		1305
1071	sync_job {	1306	sync_job {
1072	if (length $$rdata) {	1307	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1076		1312
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1081	close $fh;	1320	aio_close $fh;
1082		1321
1083	if (@$objs) {	1322	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1089	close $fh;	1331	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1333	}
1092	} else {	1334	} else {
1093	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1094	}	1336	}
1095		1337
1096	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1342	} else {
1098	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1099	}	1344	}
1100	} else {	1345	} else {
1101	aio_unlink $filename;	1346	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1103	}	1348	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1373	$av = $st->{objs};
1129	}	1374	}
1130		1375
1131	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1134		1380
1135	($data, $av)	1381	($data, $av)
1136	}	1382	}
1137		1383
1138	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1195		1441
1196	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1197	}	1443	}
1198		1444
		1445	use File::Glob ();
		1446
1199	cf::player->attach (	1447	cf::player->attach (
1200	on_command => sub {	1448	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1202		1450
1203	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1204	or return;	1452	or return;
1205		1453
…		…
1213	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1214		1462
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1464
1217	if (ref $msg) {	1465	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1467
1223	my @reply;	1468	my @reply;
1224		1469
1225	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1228		1473
1229	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1475	if $reply;
1231		1476
1232	} else {	1477	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1479	}
1235		1480
1236	cf::override;	1481	cf::override;
1237	},	1482	},
1238	);	1483	);
1239		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1240	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1241	cf::sync_job {	1501	cf::sync_job {
1242	my %todo;	1502	my %todo;
1243		1503
1244	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1505	next unless -r $path;
…		…
1263		1523
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1526
1267	$ext{source} =	1527	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1270	. $source	1530	. $source
1271	. "\n};\n1";	1531	. "\n};\n1";
1272		1532
1273	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1274	}	1534	}
1275		1535
		1536	my $pass = 0;
1276	my %done;	1537	my %done;
1277	while (%todo) {	1538	while (%todo) {
1278	my $progress;	1539	my $progress;
1279		1540
		1541	++$pass;
		1542
		1543	ext:
1280	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1546	next ext
1283	unless exists $done{$_};	1547	unless exists $done{$_};
1284	}	1548	}
1285		1549
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1551
1288	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1293	warn $msg;	1559
1294	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1561	delete $todo{$k};
1296	}	1562	} else {
1297		1563	$done{$k} = delete $todo{$k};
1298	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1299	}	1569	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1570	}
1305		1571
1306	skip:	1572	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1309	}	1582	}
1310	};	1583	};
1311	}	1584	}
1312		1585
1313	#############################################################################	1586	#############################################################################
1314		1587
1315	=back	1588	=back
1316		1589
1317	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1318		1591
1319	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1320		1593
1321	=cut	1594	=cut
1322		1595
1323	package cf::player;	1596	package cf::player;
1324		1597
…		…
1367		1640
1368	sub exists($) {	1641	sub exists($) {
1369	my ($login) = @_;	1642	my ($login) = @_;
1370		1643
1371	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1373	}	1646	}
1374		1647
1375	sub find($) {	1648	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1650	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1663	or return;
1391		1664
1392	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1393	or return;	1666	or return;
		1667
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1397	}	1671	}
1398	}	1672	}
1399	}	1673	}
1400		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
		1687
1401	sub save($) {	1688	sub save($) {
1402	my ($pl) = @_;	1689	my ($pl) = @_;
1403		1690
1404	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1405		1692
…		…
1408		1695
1409	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1410		1697
1411	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1705
1414	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1707	cf::cede_to_tick;
1416	}	1708	}
1417		1709
…		…
1449	my ($pl) = @_;	1741	my ($pl) = @_;
1450		1742
1451	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1452		1744
1453	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1747
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1459	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1460		1756
1461	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1501		1797
1502	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1503	my $path = path $login;	1799	my $path = path $login;
1504		1800
1505	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1807	}
1511		1808
…		…
1515		1812
1516	\@logins	1813	\@logins
1517	}	1814	}
1518		1815
1519	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1520		1819
1521	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1522	player. May block.	1821	player. May block.
1523		1822
1524	=cut	1823	=cut
…		…
1542	}	1841	}
1543		1842
1544	\@paths	1843	\@paths
1545	}	1844	}
1546		1845
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1847
1549	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1849
1598	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1599		1851
1600	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1601		1853
…		…
1633		1885
1634	=cut	1886	=cut
1635		1887
1636	sub find_by_path($) {	1888	sub find_by_path($) {
1637	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1638		1892
1639	my ($match, $specificity);	1893	my ($match, $specificity);
1640		1894
1641	for my $region (list) {	1895	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1670		1924
1671	sub generate_random_map {	1925	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1674	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	1931	}
1688		1932
1689	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1690		1934
1691	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1696		1940
1697	sub register {	1941	sub register {
1698	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	1943	my $pkg = caller;
1700		1944
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		1946
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	1948	}
1706		1949
1707	# also paths starting with '/'	1950	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		1952
1710	sub thawer_merge {	1953	sub thawer_merge {
1711	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1712		1955
1713	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1718	}	1961	}
1719		1962
1720	sub normalise {	1963	sub normalise {
1721	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1722		1965
1723	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1724		1967
1725	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1726		1969
1727	# map plan:	1970	# map plan:
1728	#	1971	#
…		…
1743	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	1987	$path = "$base/$path";
1745	}	1988	}
1746		1989
1747	for ($path) {	1990	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1751	}	1993	}
1752		1994
1753	$path	1995	$path
…		…
1767	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1768	return $self;	2010	return $self;
1769	}	2011	}
1770	}	2012	}
1771		2013
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	2015	()
1774	}	2016	}
1775		2017
		2018	# may re-bless or do other evil things
1776	sub init {	2019	sub init {
1777	my ($self) = @_;	2020	my ($self) = @_;
1778		2021
1779	$self	2022	$self
1780	}	2023	}
…		…
1799		2042
1800	# the temporary/swap location	2043	# the temporary/swap location
1801	sub save_path {	2044	sub save_path {
1802	my ($self) = @_;	2045	my ($self) = @_;
1803		2046
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1806	}	2049	}
1807		2050
1808	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1809	sub uniq_path {	2052	sub uniq_path {
1810	my ($self) = @_;	2053	my ($self) = @_;
1811		2054
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2057	}
1824		2058
1825	sub decay_objects {	2059	sub decay_objects {
1826	my ($self) = @_;	2060	my ($self) = @_;
1827		2061
…		…
1854	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1855		2089
1856	1	2090	1
1857	}	2091	}
1858		2092
		2093	# used to laod the header of an original map
1859	sub load_header_orig {	2094	sub load_header_orig {
1860	my ($self) = @_;	2095	my ($self) = @_;
1861		2096
1862	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1863	}	2098	}
1864		2099
		2100	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2101	sub load_header_temp {
1866	my ($self) = @_;	2102	my ($self) = @_;
1867		2103
1868	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1869	}	2105	}
1870		2106
		2107	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2108	sub prepare_temp {
1872	my ($self) = @_;	2109	my ($self) = @_;
1873		2110
1874	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1876	# safety	2113	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2116	}
1880		2117
		2118	# called after loading the header from an original map
1881	sub prepare_orig {	2119	sub prepare_orig {
1882	my ($self) = @_;	2120	my ($self) = @_;
1883		2121
1884	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2147
1910	sub find;	2148	sub find;
1911	sub find {	2149	sub find {
1912	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1913		2151
		2152	cf::cede_to_tick;
		2153
1914	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1915		2155
1916	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2158
1919	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1924	or return;	2161	or return;
1925		2162
1926	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1927		2164
…		…
1929	or return;	2166	or return;
1930		2167
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1934	undef $guard1;	2172	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2173	$map->reset;
1937	return find $path;	2174	return find $path;
1938	}	2175	}
1939		2176
1940	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1941	}	2178	}
1942	}	2179	}
1943		2180
1944	sub pre_load { }	2181	sub pre_load { }
1945	sub post_load { }	2182	#sub post_load { } # XS
1946		2183
1947	sub load {	2184	sub load {
1948	my ($self) = @_;	2185	my ($self) = @_;
1949		2186
1950	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1953		2190
1954	{	2191	{
1955	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1956		2193
1957	return unless $self->valid;	2194	return unless $self->valid;
1958	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1959
1960	$self->in_memory (cf::MAP_LOADING);
1961		2196
1962	$self->alloc;	2197	$self->alloc;
1963		2198
1964	$self->pre_load;	2199	$self->pre_load;
1965	cf::cede_to_tick;	2200	cf::cede_to_tick;
1966		2201
		2202	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2204	$f->skip_block;
1969	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
1970	or return;	2206	or return;
1971		2207
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1973	if delete $self->{load_original};	2209	if delete $self->{load_original};
1974		2210
1975	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2212	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2215	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
1982	}	2219	}
1983	}	2220	}
1984	}
1985		2221
1986	$f->resolve_delayed_derefs;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
1987		2229
1988	cf::cede_to_tick;	2230	cf::cede_to_tick;
1989	# now do the right thing for maps	2231	# now do the right thing for maps
1990	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
1995	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2238	$self->decay_objects;
1997	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1998	$self->update_buttons;	2240	$self->update_buttons;
1999	cf::cede_to_tick;	2241	cf::cede_to_tick;
2000	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2243	}
2004		2244
2005	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2247	}
2010		2248
2011	$self->post_load;	2249	$self->post_load;
2012	}
2013		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2257	sub customise_for {
2015	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
2016		2259
2017	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2261	if $self->per_player;
…		…
2021	# if $self->per_party;	2264	# if $self->per_party;
2022		2265
2023	$self	2266	$self
2024	}	2267	}
2025		2268
2026	# find and load all maps in the 3x3 area around a map
2027	sub load_neighbours {
2028	my ($map) = @_;
2029
2030	my @neigh; # diagonal neighbours
2031
2032	for (0 .. 3) {
2033	my $neigh = $map->tile_path ($_)
2034	or next;
2035	$neigh = find $neigh, $map
2036	or next;
2037	$neigh->load;
2038
2039	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}
2043
2044	for (grep defined $_->[0], @neigh) {
2045	my ($path, $origin) = @$_;
2046	my $neigh = find $path, $origin
2047	or next;
2048	$neigh->load;
2049	}
2050	}
2051
2052	sub find_sync {	2269	sub find_sync {
2053	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2054		2271
2055	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
2056	}	2277	}
2057		2278
2058	sub do_load_sync {	2279	sub do_load_sync {
2059	my ($map) = @_;	2280	my ($map) = @_;
2060		2281
		2282	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2063		2285
2064	cf::sync_job { $map->load };	2286	$map->load;
2065	}	2287	}
2066		2288
2067	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2069		2291
2070	sub find_async {	2292	sub find_async {
2071	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2072		2294
2073	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2074		2296
2075	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2077	}	2299	}
2078		2300
2079	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2080		2302
2081	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2096		2318
2097	()	2319	()
2098	}	2320	}
2099		2321
		2322	# common code, used by both ->save and ->swapout
2100	sub save {	2323	sub _save {
2101	my ($self) = @_;	2324	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2325
2105	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2106		2327
2107	return unless $self->dirty;	2328	return unless $self->dirty;
2108		2329
…		…
2117		2338
2118	cf::async {	2339	cf::async {
2119	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2121	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2122		2345
2123	if ($uniq) {	2346	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2349	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2351	}
2129	}	2352	}
2130		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2131	sub swap_out {	2362	sub swap_out {
2132	my ($self) = @_;	2363	my ($self) = @_;
2133		2364
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2139	return if $self->players;	2369	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
		2380	$self->clear;
		2381	}
		2382
		2383	sub reset_at {
		2384	my ($self) = @_;
		2385
		2386	# TODO: safety, remove and allow resettable per-player maps
2141	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2142		2388
		2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2391
		2392	$time + $to
		2393	}
		2394
		2395	sub should_reset {
		2396	my ($self) = @_;
		2397
		2398	$self->reset_at <= $cf::RUNTIME
		2399	}
		2400
		2401	sub reset {
		2402	my ($self) = @_;
		2403
		2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2405
		2406	return if $self->players;
		2407
		2408	cf::trace "resetting map ", $self->path, "\n";
		2409
2143	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
		2419
		2420	delete $cf::MAP{$self->path};
2144		2421
2145	$self->deactivate;	2422	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2424	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2425
2193	$self->unlink_save;	2426	$self->unlink_save;
2194	$self->destroy;	2427	$self->destroy;
2195	}	2428	}
2196		2429
…		…
2204		2437
2205	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2206		2439
2207	$self->unlink_save;	2440	$self->unlink_save;
2208		2441
2209	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2447
…		…
2263		2496
2264	sub unique_maps() {	2497	sub unique_maps() {
2265	[	2498	[
2266	map {	2499	map {
2267	utf8::decode $_;	2500	utf8::decode $_;
2268	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2269	? normalise $_	2504	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2506	]
2273	}	2507	}
2274		2508
2275	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2276		2540
2277	=back	2541	=back
2278		2542
2279	=head3 cf::object	2543	=head3 cf::object
2280		2544
…		…
2284		2548
2285	=over 4	2549	=over 4
2286		2550
2287	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2288		2552
2289	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2290		2555
2291	=cut	2556	=cut
2292		2557
2293	sub inv_recursive_;	2558	sub inv_recursive_;
2294	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2300	}	2565	}
2301		2566
2302	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2303		2568
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2569	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2570
2306	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2307		2572
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2343		2608
2344	=cut	2609	=cut
2345		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
		2624
2346	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2626	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2642
2364	} else {	2643	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2646	}
2368	}	2647	}
2369	}	2648	}
2370		2649
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2675
2397	=item $player_object->enter_link	2676	=item $player_object->enter_link
2398		2677
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2679
2401	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2403		2684
2404	Will never block.	2685	Will never block.
2405		2686
2406	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2407		2688
…		…
2427	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2709	my ($self) = @_;
2429		2710
2430	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2431		2712
		2713	++$self->{_link_recursion};
		2714
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2716
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2436		2719
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2721	}
2439		2722
2440	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2442		2725
…		…
2459	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2461		2744
2462	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2465		2748
2466	$map->load;	2749	$map->load;
2467	$map->load_neighbours;
2468		2750
2469	return unless $self->contr->active;	2751	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2752
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2474	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2475		2760
		2761	}
		2762
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2477		2764
2478	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2769	be called at the end of this process.
2483		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2484	=cut	2774	=cut
2485		2775
2486	our $GOTOGEN;	2776	our $GOTOGEN;
2487		2777
2488	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2490		2786
2491	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2789
2494	$self->enter_link;	2790	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2515	}	2811	}
2516	}	2812	}
2517		2813
2518	my $map = eval {	2814	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2816
2521	if ($map) {	2817	if ($map) {
2522	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2820	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2822	}
2527		2823
2528	$map	2824	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2539	}	2835	}
2540		2836
2541	$done->() if $done;	2837	$done->($self) if $done;
2542	})->prio (1);	2838	})->prio (1);
2543	}	2839	}
2544		2840
2545	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2546		2842
…		…
2566	}	2862	}
2567		2863
2568	sub prepare_random_map {	2864	sub prepare_random_map {
2569	my ($exit) = @_;	2865	my ($exit) = @_;
2570		2866
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2869	# that depends on the exit object
2576		2870
2577	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2873	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2584	}	2880	}
2585		2881
2586	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2587		2883
2588	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2591		2887
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2890	undef $fh;
2595	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2596		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2599	}	2899	}
2600	}	2900	}
2601		2901
2602	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2604		2904
2605	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2606		2906
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2907	$self->enter_link;
2619		2908
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2909	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2626		2911
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2629	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2630		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2631	1;	2948	1
2632	}) {	2949	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2954
2638	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	2956	$self->leave_link;
2640	}	2957	}
2641	})->prio (1);	2958	})->prio (1);
2642	}	2959	}
2643		2960
…		…
2655	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2656	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2657		2974
2658	utf8::encode $text;	2975	utf8::encode $text;
2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2660	}	3002	}
2661		3003
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3005
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2668		3010
2669	=cut	3011	=cut
2670		3012
		3013	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
2672	"c/identify" => {	3021	"c/identify" => {
2673	id => "infobox",	3022	id => "infobox",
2674	title => "Identify",	3023	title => "Identify",
2675	reply => undef,	3024	reply => undef,
2676	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3027	"c/examine" => {
2679	id => "infobox",	3028	id => "infobox",
2680	title => "Examine",	3029	title => "Examine",
2681	reply => undef,	3030	reply => undef,
2682	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
2683	},	3038	},
2684	"c/book" => {	3039	"c/book" => {
2685	id => "infobox",	3040	id => "infobox",
2686	title => "Book",	3041	title => "Book",
2687	reply => undef,	3042	reply => undef,
…		…
2691	id => "infobox",	3046	id => "infobox",
2692	title => "Look",	3047	title => "Look",
2693	reply => undef,	3048	reply => undef,
2694	tooltip => "What you saw there",	3049	tooltip => "What you saw there",
2695	},	3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
2696	);	3125	);
2697		3126
2698	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2700		3129
2701	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2702		3132
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		3134
2705	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2708		3138
2709	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	3140	$channel = $channel->{id};
2713		3141
2714	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	3147	}
2721		3148
2722	$channel = $channel->{id};	3149	$channel = $channel->{id};
2723	}	3150	}
2724		3151
2725	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2726		3153
2727	if ($self->can_msg) {
2728	# default colour, mask it out	3154	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2731		3157
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	3161	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		3162
2746	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2747
2748	utf8::encode $msg;
2749
2750	if (0 && $msg =~ /\[/) {
2751	# COMMAND/INFO
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}
2759	}	3164	}
2760		3165
2761	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2762		3167
2763	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2766		3171
2767	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2768	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2769		3174
2770	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2773	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775	}	3180	}
2776	}	3181	}
2777		3182
2778	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2779		3184
…		…
2782	=cut	3187	=cut
2783		3188
2784	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2785	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2786		3191
2787	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789	} elsif ($self->extcmd == 1) {
2790	#TODO: version 1, remove
2791	unshift @msg, msgtype => "reply", msgid => $id;
2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793	}
2794	}	3195	}
2795		3196
2796	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2797		3198
2798	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2853	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2854		3255
2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2856		3257
2857	if (ref $msg) {	3258	if (ref $msg) {
2858	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2859	"ARRAY" eq ref $msg
2860	? @$msg
2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2862		3260
2863	my @reply;	3261	my @reply;
2864		3262
2865	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2866	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2868		3266
2869	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2870	if $reply;	3268	if $reply;
2871		3269
2872	} else {	3270	} else {
2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2874	}	3272	}
2875		3273
2876	cf::override;	3274	cf::override;
2877	},	3275	},
2878	);	3276	);
…		…
2898		3296
2899	$coro	3297	$coro
2900	}	3298	}
2901		3299
2902	cf::client->attach (	3300	cf::client->attach (
2903	on_destroy => sub {	3301	on_client_destroy => sub {
2904	my ($ns) = @_;	3302	my ($ns) = @_;
2905		3303
2906	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2907	},	3305	},
2908	);	3306	);
…		…
2924	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2925		3323
2926	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2927		3325
2928	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2929	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2930	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2931	sort time	3329	sort time
2932	));	3330	));
2933		3331
2934	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2937		3335
2938	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2939		3337
2940	cf::object	3338	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3339	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
2943		3342
2944	cf::object::player	3343	cf::object::player
2945	player	3344	player
2946		3345
2947	cf::player	3346	cf::player
…		…
2952		3351
2953	=cut	3352	=cut
2954		3353
2955	for (	3354	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3357	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2962	) {	3361	) {
2963	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2966	for @funs;	3364	for @funs;
2967	}	3365	}
2968		3366
…		…
2983		3381
2984	my $qcode = $code;	3382	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2987		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2988	local $_;	3389	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;
2990		3390
2991	my $eval =	3391	my $eval =
2992	"do {\n"	3392	"do {\n"
2993	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2994	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2995	. $code	3395	. $code
2996	. "\n}"	3396	. "\n}"
2997	;	3397	;
2998		3398
		3399	if ($CFG{safe_eval}) {
2999	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
3000	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3001	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
3002		3408
3003	if ($@) {	3409	if ($@) {
3004	warn "$@";	3410	warn "$@",
3005	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
3006	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
3007	}	3413	}
3008		3414
3009	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
3010	}	3416	}
3011		3417
…		…
3025	=cut	3431	=cut
3026		3432
3027	sub register_script_function {	3433	sub register_script_function {
3028	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
3029		3435
3030	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
3031	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
3032	}	3438	}
3033		3439
3034	=back	3440	=back
3035		3441
3036	=cut	3442	=cut
…		…
3045	# for this (global event?)	3451	# for this (global event?)
3046	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3047		3453
3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049		3455
3050	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3051		3457
3052	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3053	0 < aio_load $path, $facedata
3054	or die "$path: $!";
3055
3056	$facedata = Coro::Storable::thaw $facedata;
3057		3459
3058	$facedata->{version} == 2	3460	$facedata->{version} == 2
3059	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3060		3462
3061	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3062	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3063	type => FT_RSRC,	3466	type => FT_RSRC,
3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
3065	};	3469	};
3066	cf::cede_to_tick;	3470	cf::cede_to_tick;
3067		3471
3068	{	3472	{
3069	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
3070		3474
3071	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
3073	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3077		3483
3078	cf::cede_to_tick;	3484	cf::cede_to_tick;
3079	}	3485	}
3080		3486
3081	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
3083	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
3084	or next;	3491	or next;
		3492
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3496	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3090	}	3498	}
3091		3499
3092	cf::cede_to_tick;	3500	cf::cede_to_tick;
3093	}	3501	}
3094	}	3502	}
…		…
3103		3511
3104	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3105	}	3513	}
3106		3514
3107	{	3515	{
3108	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3111		3517
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;
3117		3521
3118	if ($info->{type} & 1) {	3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3119	# prepend meta info	3523	cf::face::set_type $idx, $info->{type};
3120
3121	my $meta = $enc->encode ({
3122	name => $name,
3123	%{ $info->{meta} || {} },
3124	});
3125
3126	$data = pack "(w/a*)*", $meta, $info->{data};
3127	} else {	3524	} else {
3128	$data = $info->{data};	3525	$RESOURCE{$name} = $info; # unused
3129	}	3526	}
3130		3527
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3528	cf::cede_to_tick;
3135	}	3529	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3533
3156	1	3534	1
3157	}	3535	}
3158		3536
3159	register_exticmd fx_want => sub {	3537	register_exticmd fx_want => sub {
…		…
3161		3539
3162	while (my ($k, $v) = each %$want) {	3540	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3541	$ns->fx_want ($k, $v);
3164	}	3542	}
3165	};	3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
3166		3554
3167	sub reload_regions {	3555	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3556	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3557	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3558	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3572	}
3185		3573
3186	sub reload_archetypes {	3574	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3575	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3576	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3577	}
3195		3578
3196	sub reload_treasures {	3579	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
3199	}	3582	}
3200		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
3201	sub reload_resources {	3604	sub reload_resources {
3202	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
3203		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
3204	reload_regions;	3612	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3613	reload_treasures;
3209		3614
3210	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
3211	}
3212
3213	sub init {
3214	reload_resources;
3215	}	3616	}
3216		3617
3217	sub reload_config {	3618	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3619	trace "reloading config file...\n";
3219	or return;
3220		3620
3221	local $/;	3621	my $config = load_file "$CONFDIR/config";
3222	*CFG = YAML::Syck::Load <$fh>;	3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
3223		3624
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3225		3626
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3228		3629
3229	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
3233	};	3634	};
3234	warn $@ if $@;	3635	warn $@ if $@;
3235	}	3636	}
3236	}	3637	}
3237		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
3238	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
3239	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3680	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3682	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
3246	};	3684	};
3247		3685
		3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
3248	reload_config;	3698	reload_config;
3249	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
3250	load_extensions;	3709	load_extensions;
3251		3710
3252	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
3253	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
3254	}	3728	}
3255		3729
3256	#############################################################################	3730	#############################################################################
3257	# initialisation and cleanup	3731	# initialisation and cleanup
3258		3732
3259	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
3260	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
3269	},
3270	);	3739	};
3271	}	3740	}
3272	}	3741	}
3273		3742
3274	sub write_runtime {	3743	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
3276		3745
3277	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
3279		3748
3280	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3750
3282	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
3283		3752
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3285	or return;	3754	or return;
3286		3755
3287	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
3300		3769
3301	close $fh	3770	close $fh
3302	or return;	3771	or return;
3303		3772
3304	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3774	and return;
3306		3775
3307	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3308		3777
3309	1	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
3310	}	3829	}
3311		3830
3312	sub emergency_save() {	3831	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
3314		3833
3315	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
3316		3840
3317	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
3318	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	3850	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	3852	$pl->save;
3327	}	3853	}
3328	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
3329		3855
3330	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
3331	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	3861	$map->valid or next;
3334	$map->save;	3862	$map->save;
3335	}	3863	}
3336	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
3337		3865
3338	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
3341	};	3894	};
3342		3895
3343	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
3344	}	3897	}
3345		3898
3346	sub post_cleanup {	3899	sub post_cleanup {
3347	my ($make_core) = @_;	3900	my ($make_core) = @_;
3348		3901
		3902	IO::AIO::flush;
		3903
3349	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
3351	}	3934	}
3352		3935
3353	sub do_reload_perl() {	3936	sub do_reload_perl() {
3354	# can/must only be called in main	3937	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
3356	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
3357	return;	3940	return;
3358	}	3941	}
3359		3942
3360	warn "reloading...";	3943	return if $RELOAD++;
3361		3944
3362	warn "entering sync_job";	3945	my $t1 = AE::time;
3363		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
3364	cf::sync_job {	3953	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark
3366	cf::emergency_save;	3954	#cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark
3368		3955
3369	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;
3371
3372	# if anything goes wrong in here, we should simply crash as we already saved
3373
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;
3385	warn "iterate...";
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();	3958	%EXT_CORO = ();
3393		3959
3394	warn "removing commands";	3960	trace "perl_reload: removing commands";
3395	%COMMAND = ();	3961	%COMMAND = ();
3396		3962
3397	warn "removing ext/exti commands";	3963	trace "perl_reload: removing ext/exti commands";
3398	%EXTCMD = ();	3964	%EXTCMD = ();
3399	%EXTICMD = ();	3965	%EXTICMD = ();
3400		3966
3401	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
3404		3970
3405	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
3406	eval {	3972	eval {
3407	$cb->($pkg);	3973	$cb->($pkg);
3408	1	3974	1
3409	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
3410	}	3980	}
3411		3981
3412	warn "... nuking $pkg";
3413	Symbol::delete_package $pkg;
3414	}
3415
3416	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3417	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		3985
3420	warn "... unloading $k";	3986	trace "... unloading $k";
3421	delete $INC{$k};	3987	delete $INC{$k};
3422		3988
3423	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
3425		3991
3426	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
3427	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
3428	}	3997	}
3429		3998
3430	Symbol::delete_package $k;
3431	}
3432
3433	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		4002
3437	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		4006
3441	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
3442	# and global variables created in xs	4008	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
3444		4010
3445	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
3446		4012
3447	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
3448	require cf;	4014	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
3450		4016
3451	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
3452	cf::reload_config;	4018	cf::reload_config;
3453		4019
3454	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
3455	cf::load_extensions;	4021	cf::load_extensions;
3456		4022
		4023	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
3460	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
3463		4031
3464	warn "leaving sync_job";	4032	cf::_post_init 1;
3465		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
3466	1	4036	1
3467	} or do {	4037	} or do {
3468	warn $@;	4038	error $@;
3469	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
3470	exit 1;	4040	};
		4041
		4042	--$RELOAD;
3471	};	4043	}
3472		4044
3473	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
3474	};	4047	};
3475		4048
3476	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
3477		4050
3478	sub reload_perl() {	4051	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
3481		4054
3482	$RELOAD_WATCHER ||= Event->timer (	4055	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	4056	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	4057
3485	data => WF_AUTOCANCEL,	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	4059	do_reload_perl;
3488	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
3489	},	4061	};
3490	);	4062	};
3491	}	4063	}
3492		4064
3493	register_command "reload" => sub {	4065	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
3495		4067
…		…
3500	reload_perl;	4072	reload_perl;
3501	};	4073	};
3502	}	4074	}
3503	};	4075	};
3504		4076
3505	unshift @INC, $LIBDIR;	4077	#############################################################################
3506		4078
3507	my $bug_warning = 0;	4079	my $bug_warning = 0;
3508		4080
3509	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;
3511
3512	sub wait_for_tick {	4081	sub wait_for_tick() {
3513	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4083
3516	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
3517	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;
3519	}	4085	}
3520		4086
3521	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3522	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3523	return if $Coro::current == $Coro::main;
3524		4089
3525	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	4092	$signal->wait;
3528	}	4093	}
3529		4094
3530	$TICK_WATCHER = Event->timer (	4095	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3540	return;	4099	return;
3541	}	4100	}
3542		4101
3543	$NOW = $tick_start = Event::time;	4102	cf::one_tick; # one server iteration
3544		4103
3545	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3546		4105
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	4108	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	4109	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	4110	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3556	};
3557	}	4112	};
		4113	}
3558		4114
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	4116	$sig->send;
3561	}	4117	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3563	$sig->send;
3564	}
3565		4119
3566	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		4122
3577	_post_tick;	4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3578	},	4129	}
3579	);	4130	}
3580		4131
3581	{	4132	{
		4133	# configure BDB
		4134
3582	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3583	BDB::max_poll_time $TICK * 0.1;	4136	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	4137	#$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		4138
3608	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		4146
3615	cf::sync_job {	4147	cf::sync_job {
3616	eval {	4148	eval {
…		…
3626		4158
3627	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	4160	};
3629	}	4161	}
3630		4162
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	4165	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	4168	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	4171	};
3661	}	4172	}
3662		4173
3663	{	4174	{
		4175	# configure IO::AIO
		4176
3664	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	4180	}
3677		4181
3678	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3679		4184
3680	sub _log_backtrace {	4185	sub _log_backtrace {
3681	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3682		4187
3683	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3684		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3685	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3687	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3688	async {	4198	async {
3689	$Coro::current->{desc} = "abt $msg";	4199	$Coro::current->{desc} = "abt $msg";
3690		4200
3691	my @bt = fork_call {	4201	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	4213	}
3704		4214
3705	@funcs	4215	@funcs
3706	};	4216	};
3707		4217
3708	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	4221	--$_log_backtrace;
3711	};	4222	};
3712	} else {	4223	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3715	}	4226	}
3716	}	4227	}
3717		4228
3718	# load additional modules	4229	# load additional modules
3719	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3720		4232
3721	END { cf::emergency_save }	4233	END { cf::emergency_save }
3722		4234
3723	1	4235	1
3724		4236

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