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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.615 by root, Sat Feb 23 22:37:39 2013 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
168		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		332
194	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	334	# within the Safe compartment.
196	for my $pkg (qw(	335	for my $pkg (qw(
197	cf::global cf::attachable	336	cf::global cf::attachable
198	cf::object cf::object::player	337	cf::object cf::object::player
199	cf::client cf::player	338	cf::client cf::player
200	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
201	cf::map cf::party cf::region	341	cf::party cf::region
202	)) {	342	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	344	}
206		345
207	$Event::DIED = sub {	346	$EV::DIED = sub {
208	warn "error in event callback: @_";	347	warn "error in event callback: $@";
209	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
210		356
211	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
212		358
213	=over 4	359	=over 4
214		360
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	380	$d
235	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
236	}	382	}
237		383
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
239		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
240	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
241		437
242	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
243		439
244	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
245		441
246	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
247		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
248	=item cf::lock_wait $string	513	=item cf::lock_wait $string
249		514
250	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
251		516
252	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
253		518
254	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
257	returned.	522	returned.
258		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
259	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
261		529
262	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
263		531
264	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
265		533
266	=cut	534	=cut
267		535
268	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
269		537
270	sub lock_wait($) {	538	sub lock_wait($) {
271	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	540	}
279		541
280	sub lock_acquire($) {	542	sub lock_acquire($) {
281	my ($key) = @_;	543	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	544	}
293		545
294	sub lock_active($) {	546	sub lock_active($) {
295	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	548	}
299		549
300	sub freeze_mainloop {	550	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
302		552
303	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
305	};	623	}
306	$TICK_WATCHER->stop;	624	};
307	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
308	}	639	}
309		640
310	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
311		642
312	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		648
318	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
319		650
320	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
321		652
322	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
325		657
326	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
329	fast or be very important.	661	fast or be very important.
…		…
331	=cut	663	=cut
332		664
333	sub sync_job(&) {	665	sub sync_job(&) {
334	my ($job) = @_;	666	my ($job) = @_;
335		667
336	if ($Coro::current == $Coro::main) {	668	if (in_main) {
337	my $time = Event::time;	669	my $time = AE::time;
338		670
339	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
341		673
342	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	675
344	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
345		677
346	my $busy = 1;	678	my $busy = 1;
347	my @res;	679	my @res;
348		680
349	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	683	@res = eval { $job->() };
351	warn $@ if $@;	684	error $@ if $@;
352	undef $busy;	685	undef $busy;
353	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
354		687
355	while ($busy) {	688	while ($busy) {
356	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
357	}	693	}
		694	}
358		695
359	$time = Event::time - $time;	696	my $time = AE::time - $time;
360		697
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
365		699
366	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
367	} else {	701	} else {
368	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
369		703
…		…
389	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
390		724
391	$coro	725	$coro
392	}	726	}
393		727
394	sub write_runtime {	728	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		729
397	# first touch the runtime file to show we are still running:	730	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
399		734
400	IO::AIO::aio_utime $runtime, undef, undef;	735	=cut
401		736
402	my $guard = cf::lock_acquire "write_runtime";	737	sub post_fork {
		738	reset_signals;
		739	}
403		740
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	741	sub fork_call(&@) {
405	or return;	742	my ($cb, @args) = @_;
406		743
407	my $value = $cf::RUNTIME + 90 + 10;	744	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	745	cf::post_fork;
409	# 60 allows for the watchdog to kill the server.	746	&$cb
		747	} @args;
410		748
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	749	wantarray ? @res : $res[-1]
412	and return;	750	}
413		751
414	# always fsync - this file is important	752	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
430	}	916	}
431		917
432	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
433		919
434	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
435		921
436	=cut	922	=cut
437		923
438	sub datalog($@) {	924	sub datalog($@) {
439	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	927	}
442		928
443	=back	929	=back
444		930
445	=cut	931	=cut
446		932
447	#############################################################################	933	#############################################################################
448		934
449	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
450		936
451	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
454		940
455	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	943	Deliantra).
458		944
459	=over 4	945	=over 4
460		946
461	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
462		948
…		…
506	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
507		993
508	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
510		996
511	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
513		999
514	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
515		1001
516	=over 4	1002	=over 4
…		…
640		1126
641	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1129
644	} elsif (ref $type) {	1130	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
646		1132
647	} else {	1133	} else {
648	shift @arg;	1134	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
650	}	1136	}
651	}	1137	}
652	}	1138	}
653		1139
654	sub _object_attach {	1140	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
665	}	1151	}
666		1152
667	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
668	} else {	1154	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1156	}
671		1157
672	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
673	}	1159	}
674		1160
…		…
714	";	1200	";
715	die if $@;	1201	die if $@;
716	}	1202	}
717		1203
718	our $override;	1204	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1206
721	sub override {	1207	sub override {
722	$override = 1;	1208	$override = 1;
723	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
724	}	1210	}
725		1211
726	sub do_invoke {	1212	sub do_invoke {
727	my $event = shift;	1213	my $event = shift;
728	my $callbacks = shift;	1214	my $callbacks = shift;
729		1215
730	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
731		1217
732	local $override;	1218	local $override;
733		1219
734	for (@$callbacks) {	1220	for (@$callbacks) {
735	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
736		1222
737	if ($@) {	1223	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1225	override;
741	}	1226	}
742		1227
743	return 1 if $override;	1228	return 1 if $override;
744	}	1229	}
745		1230
746	0	1231	0
747	}	1232	}
748		1233
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1235
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1237
753	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
754		1239
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1243
759	=back	1244	=back
760		1245
761	=cut	1246	=cut
762		1247
763	#############################################################################	1248	#############################################################################
764	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
765		1292
766	sub reattach {	1293	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1295	my ($obj) = @_;
769		1296
		1297	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1299
772	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
773		1301
774	@$registry = ();	1302	@$registry = ();
775		1303
…		…
780	for (@$attach) {	1308	for (@$attach) {
781	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
783	}	1311	}
784	} else {	1312	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1314	}
787	}	1315	}
788	}	1316	}
789		1317
790	cf::attachable->attach (	1318	cf::attachable->attach (
791	prio => -1000000,	1319	prio => -1000000,
792	on_instantiate => sub {	1320	on_instantiate => sub {
793	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
794		1322
795	$data = from_json $data;	1323	$data = decode_json $data;
796		1324
797	for (@$data) {	1325	for (@$data) {
798	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
799		1327
800	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1344	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
818		1346
819	sync_job {	1347	sync_job {
820	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
823		1353
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
828	close $fh;	1361	aio_close $fh;
829		1362
830	if (@$objs) {	1363	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
836	close $fh;	1372	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
838	}	1374	}
839	} else {	1375	} else {
840	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
841	}	1377	}
842		1378
843	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1383	} else {
845	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
846	}	1385	}
847	} else {	1386	} else {
848	aio_unlink $filename;	1387	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
850	}	1389	}
851	}	1390	};
852	}	1391	}
853		1392
854	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
856		1395
…		…
868	or return;	1407	or return;
869		1408
870	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
872	or return;	1411	or return;
		1412
873	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
874	}	1415	}
875		1416
		1417	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
878	return ($data, $av);	1422	($data, $av)
879	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
880		1430
881	#############################################################################	1431	#############################################################################
882	# command handling &c	1432	# command handling &c
883		1433
884	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
885		1435
886	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
887	$name.	1437	$name.
888		1438
889	=cut	1439	=cut
…		…
895	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
896		1446
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1448	}
899		1449
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
901		1451
902	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
903		1457
904	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
905	called.
906		1459
907	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
908		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
909	sub register_extcmd {	1482	sub register_extcmd($$) {
910	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
911		1484
912	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
913	}	1486	}
914		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
915	cf::player->attach (	1508	cf::player->attach (
916	on_command => sub {	1509	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
918		1511
919	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
920	or return;	1513	or return;
921		1514
…		…
926	cf::override;	1519	cf::override;
927	},	1520	},
928	on_extcmd => sub {	1521	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
930		1523
931	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1525
933	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
936	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
937	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
938	}	1547	}
		1548
939	} else {	1549	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1551	}
942		1552
943	cf::override;	1553	cf::override;
944	},	1554	},
945	);	1555	);
946		1556
		1557	# "readahead" all extensions
947	sub load_extension {	1558	sub cache_extensions {
948	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
949		1560
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1564	}
975	die $@;
976	}	1565	};
977		1566
978	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
979	}	1579	}
980		1580
981	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
982	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1590	next unless -r $path;
984	eval {	1591
985	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
986	1	1664	}
987	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
988	}	1677	};
989	}	1678	}
990		1679
991	#############################################################################	1680	#############################################################################
992		1681
		1682	=back
		1683
993	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
994		1685
995	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
996		1687
997	=cut	1688	=cut
998		1689
999	package cf::player;	1690	package cf::player;
1000		1691
1001	use Coro::AIO;	1692	use Coro::AIO;
1002		1693
1003	=head3 cf::player	1694	=head3 cf::player
1004		1695
1005	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1006		1711
1007	=item cf::player::find $login	1712	=item cf::player::find $login
1008		1713
1009	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1010		1715
…		…
1029		1734
1030	sub exists($) {	1735	sub exists($) {
1031	my ($login) = @_;	1736	my ($login) = @_;
1032		1737
1033	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1035	}	1740	}
1036		1741
1037	sub find($) {	1742	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1744	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1755
1051	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1054	}	1765	}
1055	}	1766	}
1056	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1057		1781
1058	sub save($) {	1782	sub save($) {
1059	my ($pl) = @_;	1783	my ($pl) = @_;
1060		1784
1061	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1067		1791
1068	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1070		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1071	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1072	Coro::cede;	1801	cf::cede_to_tick;
1073	}	1802	}
1074		1803
1075	sub new($) {	1804	sub new($) {
1076	my ($login) = @_;	1805	my ($login) = @_;
1077		1806
…		…
1083	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1084		1813
1085	$self	1814	$self
1086	}	1815	}
1087		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1088	=item $pl->quit_character	1827	=item $pl->quit_character
1089		1828
1090	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1092		1831
…		…
1096	my ($pl) = @_;	1835	my ($pl) = @_;
1097		1836
1098	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1099		1838
1100	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1841
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1106	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1107		1850
1108	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1145	or return [];	1888	or return [];
1146		1889
1147	my @logins;	1890	my @logins;
1148		1891
1149	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1153		1902
1154	utf8::decode $login;	1903	utf8::decode $login;
1155	push @logins, $login;	1904	push @logins, $login;
1156	}	1905	}
1157		1906
1158	\@logins	1907	\@logins
1159	}	1908	}
1160		1909
1161	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1162		1913
1163	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1164	player. May block.	1915	player. May block.
1165		1916
1166	=cut	1917	=cut
…		…
1184	}	1935	}
1185		1936
1186	\@paths	1937	\@paths
1187	}	1938	}
1188		1939
1189	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1190		1941
1191	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1192		1943
1193	=cut
1194
1195	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;
1197
1198	$msg{msgid} = $id;
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}
1202
1203	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1204		1945
1205	Sends an ext event to the client.	1946	Sends an ext event to the client.
1206		1947
1207	=cut	1948	=cut
1208		1949
1209	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1211		1952
1212	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1213	}	1954	}
1214		1955
1215	=head3 cf::region	1956	=head3 cf::region
1216		1957
1217	=over 4	1958	=over 4
…		…
1220		1961
1221	package cf::region;	1962	package cf::region;
1222		1963
1223	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1224		1965
1225	Tries to decuce the probable region for a map knowing only its path.	1966	Tries to decuce the likely region for a map knowing only its path.
1226		1967
1227	=cut	1968	=cut
1228		1969
1229	sub find_by_path($) {	1970	sub find_by_path($) {
1230	my ($path) = @_;	1971	my ($path) = @_;
1231		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1232	my ($match, $specificity);	1975	my ($match, $specificity);
1233		1976
1234	for my $region (list) {	1977	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1238	}	1981	}
1239	}	1982	}
1240		1983
…		…
1261	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1263		2006
1264	sub generate_random_map {	2007	sub generate_random_map {
1265	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1267	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	2013	}
1281		2014
1282	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1283		2016
1284	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1289		2022
1290	sub register {	2023	sub register {
1291	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	2025	my $pkg = caller;
1293		2026
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		2028
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2030	}
1299		2031
1300	# also paths starting with '/'	2032	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2034
1303	sub thawer_merge {	2035	sub thawer_merge {
1304	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1305		2037
1306	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1307	local $self->{path};	2039	local $self->{path};
1308	local $self->{load_path};	2040	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2041
1312	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1313	}	2043	}
1314		2044
1315	sub normalise {	2045	sub normalise {
1316	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1317		2047
1318	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1319		2049
1320	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1321		2051
1322	# map plan:	2052	# map plan:
1323	#	2053	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2069	$path = "$base/$path";
1340	}	2070	}
1341		2071
1342	for ($path) {	2072	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1346	}	2075	}
1347		2076
1348	$path	2077	$path
…		…
1362	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1363	return $self;	2092	return $self;
1364	}	2093	}
1365	}	2094	}
1366		2095
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2097	()
1369	}	2098	}
1370		2099
		2100	# may re-bless or do other evil things
1371	sub init {	2101	sub init {
1372	my ($self) = @_;	2102	my ($self) = @_;
1373		2103
1374	$self	2104	$self
1375	}	2105	}
…		…
1394		2124
1395	# the temporary/swap location	2125	# the temporary/swap location
1396	sub save_path {	2126	sub save_path {
1397	my ($self) = @_;	2127	my ($self) = @_;
1398		2128
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1401	}	2131	}
1402		2132
1403	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1404	sub uniq_path {	2134	sub uniq_path {
1405	my ($self) = @_;	2135	my ($self) = @_;
1406		2136
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1409	}	2139	}
1410		2140
1411	# and all this just because we cannot iterate over	2141	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2142	my ($self) = @_;
1415		2143
1416	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1418	}	2147	}
1419		2148
1420	sub unlink_save {	2149	sub unlink_save {
1421	my ($self) = @_;	2150	my ($self) = @_;
1422		2151
…		…
1427		2156
1428	sub load_header_from($) {	2157	sub load_header_from($) {
1429	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1430		2159
1431	utf8::encode $path;	2160	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2162	or return;
1437		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1438	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1439		2171
1440	1	2172	1
1441	}	2173	}
1442		2174
		2175	# used to laod the header of an original map
1443	sub load_header_orig {	2176	sub load_header_orig {
1444	my ($self) = @_;	2177	my ($self) = @_;
1445		2178
1446	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1447	}	2180	}
1448		2181
		2182	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2183	sub load_header_temp {
1450	my ($self) = @_;	2184	my ($self) = @_;
1451		2185
1452	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1453	}	2187	}
1454		2188
		2189	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2190	sub prepare_temp {
1456	my ($self) = @_;	2191	my ($self) = @_;
1457		2192
1458	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1460	# safety	2195	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2198	}
1464		2199
		2200	# called after loading the header from an original map
1465	sub prepare_orig {	2201	sub prepare_orig {
1466	my ($self) = @_;	2202	my ($self) = @_;
1467		2203
1468	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2216	$self->load_header_orig
1481	or return;	2217	or return;
1482	$self->prepare_orig;	2218	$self->prepare_orig;
1483	}	2219	}
1484		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1485	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2225	unless $self->default_region;
1487		2226
1488	1	2227	1
1489	}	2228	}
1490		2229
1491	sub find;	2230	sub find;
1492	sub find {	2231	sub find {
1493	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1494		2233
		2234	cf::cede_to_tick;
		2235
1495	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1496		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2240
1499	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1502	or return;	2243	or return;
1503		2244
1504	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1505		2246
1506	$map->load_header	2247	$map->load_header
1507	or return;	2248	or return;
1508		2249
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1512	$map->reset;	2255	$map->reset;
1513	undef $guard;
1514	return find $path;	2256	return find $path;
1515	}	2257	}
1516		2258
1517	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1518	}	2260	}
1519	}	2261	}
1520		2262
1521	sub pre_load { }	2263	sub pre_load { }
1522	sub post_load { }	2264	#sub post_load { } # XS
1523		2265
1524	sub load {	2266	sub load {
1525	my ($self) = @_;	2267	my ($self) = @_;
1526		2268
1527	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1528		2270
1529	my $path = $self->{path};	2271	my $path = $self->{path};
1530		2272
1531	{	2273	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1533		2275
		2276	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2278
1538	$self->alloc;	2279	$self->alloc;
1539		2280
1540	$self->pre_load;	2281	$self->pre_load;
1541	Coro::cede;	2282	cf::cede_to_tick;
1542		2283
1543	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1544	or return;	2288	or return;
1545		2289
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1547	if delete $self->{load_original};	2291	if delete $self->{load_original};
1548		2292
1549	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2294	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2297	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1554	}	2302	}
1555	}
1556		2303
1557	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1558	# now do the right thing for maps	2313	# now do the right thing for maps
1559	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2316	unless $self->difficulty;
1562	Coro::cede;	2317	cf::cede_to_tick;
1563		2318
1564	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2320	$self->decay_objects;
1566	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1567	$self->update_buttons;	2322	$self->update_buttons;
1568	Coro::cede;	2323	cf::cede_to_tick;
1569	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2325	}
1573		2326
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1575	}	2329	}
1576		2330
1577	$self->post_load;	2331	$self->post_load;
1578	}
1579		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2339	sub customise_for {
1581	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1582		2341
1583	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2343	if $self->per_player;
1585		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1586	$self	2348	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2349	}
1612		2350
1613	sub find_sync {	2351	sub find_sync {
1614	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1615		2353
1616	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1617	}	2359	}
1618		2360
1619	sub do_load_sync {	2361	sub do_load_sync {
1620	my ($map) = @_;	2362	my ($map) = @_;
1621		2363
1622	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1623	}	2369	}
1624		2370
1625	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1627		2373
1628	sub find_async {	2374	sub find_async {
1629	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1630		2376
1631	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1632		2378
1633	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1635	}	2381	}
1636		2382
1637	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1638	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1639	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2390	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2391	$map->load if $v;
		2392	}
1644		2393
1645	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1646	}	2395	}
1647	}	2396	}
1648	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1649	};	2398	};
1650	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1651		2400
1652	()	2401	()
1653	}	2402	}
1654		2403
		2404	# common code, used by both ->save and ->swapout
1655	sub save {	2405	sub _save {
1656	my ($self) = @_;	2406	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2407
1660	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1661		2409
1662	return unless $self->dirty;	2410	return unless $self->dirty;
1663		2411
…		…
1669	return if $self->{deny_save};	2417	return if $self->{deny_save};
1670		2418
1671	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1672		2420
1673	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1675	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1676		2427
1677	if ($uniq) {	2428	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2431	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2433	}
1683	}	2434	}
1684		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1685	sub swap_out {	2444	sub swap_out {
1686	my ($self) = @_;	2445	my ($self) = @_;
1687		2446
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1693	return if $self->players;	2451	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1697	$self->clear;	2462	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2463	}
1700		2464
1701	sub reset_at {	2465	sub reset_at {
1702	my ($self) = @_;	2466	my ($self) = @_;
1703		2467
1704	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1707		2470
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2473
…		…
1721	my ($self) = @_;	2484	my ($self) = @_;
1722		2485
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2487
1725	return if $self->players;	2488	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2489
1728	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1729		2491
1730	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1731		2493
1732	# need to save uniques path	2494	# need to save uniques path
1733	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2497
…		…
1737	if $uniq;	2499	if $uniq;
1738	}	2500	}
1739		2501
1740	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1741		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2506	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2507
1746	$self->unlink_save;	2508	$self->unlink_save;
1747	$self->destroy;	2509	$self->destroy;
1748	}	2510	}
1749		2511
1750	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1751		2513
1752	sub nuke {	2514	sub nuke {
1753	my ($self) = @_;	2515	my ($self) = @_;
1754		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1755	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1756		2521
1757	$self->unlink_save;	2522	$self->unlink_save;
1758		2523
1759	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2529
1765	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1766		2532
1767	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1768	}	2570	}
1769		2571
1770	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1771		2573
1772	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2575	instantiated unique items. May block.
1774		2576
1775	=cut	2577	=cut
1776		2578
1777	sub unique_maps() {	2579	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2580	[
1779	or return;	2581	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2582	utf8::decode $_;
1785	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2585	? ()
1788	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2588	]
1790
1791	\@paths
1792	}	2589	}
1793		2590
1794	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1795		2622
1796	=back	2623	=back
1797		2624
1798	=head3 cf::object	2625	=head3 cf::object
1799		2626
…		…
1803		2630
1804	=over 4	2631	=over 4
1805		2632
1806	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1807		2634
1808	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1809		2637
1810	=cut	2638	=cut
1811		2639
1812	sub inv_recursive_;	2640	sub inv_recursive_;
1813	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1816		2644
1817	sub inv_recursive {	2645	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1819	}	2647	}
1820		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1821	package cf;	2677	package cf;
1822		2678
1823	=back	2679	=back
1824		2680
1825	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1834		2690
1835	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1836		2706
1837	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2708	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1842		2712
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2714
1845	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1847	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1850	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1851	}	2740	}
1852		2741
1853	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1854		2743
1855	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
1856	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
1857		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
1858	=cut	2772	=cut
1859		2773
1860	sub cf::object::player::may {	2774	sub cf::object::player::may {
1861	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
1862		2776
1863	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
1864	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
1865	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1866	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
1867	}	2781	}
1868		2782
1869	=item $player_object->enter_link	2783	=item $player_object->enter_link
1870		2784
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2786
1873	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
1875		2791
1876	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
1877		2799
1878	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
1879		2801
1880	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
1881	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
1899	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2822	my ($self) = @_;
1901		2823
1902	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
1903		2825
		2826	++$self->{_link_recursion};
		2827
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2829
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
1908		2832
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2834	}
1911		2835
1912	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
1914		2838
…		…
1931	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
1933		2857
1934	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
1937		2861
1938	$map->load;	2862	$map->load;
1939	$map->load_diag;
1940		2863
1941	return unless $self->contr->active;	2864	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2865
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
1946	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
1947		2873
		2874	}
		2875
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2877
1950	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2881	the new (success) or old (failed) map position. In either case, $done will
		2882	be called at the end of this process.
		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
1954		2886
1955	=cut	2887	=cut
1956		2888
1957	our $GOTOGEN;	2889	our $GOTOGEN;
1958		2890
1959	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
1961		2899
1962	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2902
1965	$self->enter_link;	2903	$self->enter_link;
1966		2904
1967	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
1968	my $map = eval {	2927	my $map = eval {
1969	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2929
1971	if ($map) {	2930	if ($map) {
1972	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2933	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2935	}
1977		2936
1978	$map	2937	$map
1979	};	2938	};
1980		2939
…		…
1985		2944
1986	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
1989	}	2948	}
		2949
		2950	$done->($self) if $done;
1990	})->prio (1);	2951	})->prio (1);
1991	}	2952	}
1992		2953
1993	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
1994		2955
…		…
2014	}	2975	}
2015		2976
2016	sub prepare_random_map {	2977	sub prepare_random_map {
2017	my ($exit) = @_;	2978	my ($exit) = @_;
2018		2979
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2982	# that depends on the exit object
2024		2983
2025	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2986	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2032	}	2993	}
2033		2994
2034	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2035		2996
2036	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2039		3000
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	3003	undef $fh;
2043	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2044		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2047	}	3012	}
2048	}	3013	}
2049		3014
2050	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2052		3017
2053	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2054		3019
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	3020	$self->enter_link;
2067		3021
2068	(async {	3022	(async {
2069	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2070	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2071	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2072		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2073	1;	3061	1
2074	}) {	3062	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2079		3067
2080	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	3069	$self->leave_link;
2082	}	3070	}
2083	})->prio (1);	3071	})->prio (1);
2084	}	3072	}
2085		3073
2086	=head3 cf::client	3074	=head3 cf::client
2087		3075
2088	=over 4	3076	=over 4
2089		3077
2090	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2091		3079
2092	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2093	should not be used under normal circumstances.	3081	them as required.
2094		3082
2095	=cut	3083	=cut
2096		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
		3087	sub cf::client::send_big_packet {
		3088	my ($self, $pkt) = @_;
		3089
		3090	# try lzf for large packets
		3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
		3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3104
		3105	Send a msg packet to the client, formatting the msg for the client if
		3106	necessary. C<$type> should be a string identifying the type of the
		3107	message, with C<log> being the default. If C<$color> is negative, suppress
		3108	the message unless the client supports the msg packet.
		3109
		3110	=cut
		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2097	sub cf::client::send_drawinfo {	3232	sub cf::client::send_msg {
2098	my ($self, $text, $flags) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2099		3234
2100	utf8::encode $text;	3235	$msg = $self->pl->expand_cfpod ($msg)
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3236	unless $color & cf::NDI_VERBATIM;
2102	}
2103		3237
		3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
		3252	}
		3253
		3254	$channel = $channel->{id};
		3255	}
		3256
		3257	return unless @extra || length $msg;
		3258
		3259	# default colour, mask it out
		3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3261	if $color & cf::NDI_DEF;
		3262
		3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
		3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3266	);
		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2104	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2105		3272
2106	Sends an exti event to the client.	3273	Sends an ext event to the client.
2107		3274
2108	=cut	3275	=cut
2109		3276
2110	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2112		3279
2113	$msg{msgtype} = "event_$type";	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2114	$self->send_packet ("ext " . cf::to_json \%msg);
2115	}	3281	}
2116		3282
2117	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2118		3284
2119	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3286	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3287	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3288
2123	Queries can fail, so check the return code. Or don't, as queries will become	3289	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3290	become reliable at some point in the future.
2125		3291
2126	=cut	3292	=cut
2127		3293
2128	sub cf::client::query {	3294	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3295	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3303	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3304	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3305
2140	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
		3308
		3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2142	}	3349	}
2143		3350
2144	cf::client->attach (	3351	cf::client->attach (
		3352	on_connect => sub {
		3353	my ($ns) = @_;
		3354
		3355	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3356	},
2145	on_reply => sub {	3357	on_reply => sub {
2146	my ($ns, $msg) = @_;	3358	my ($ns, $msg) = @_;
2147		3359
2148	# this weird shuffling is so that direct followup queries	3360	# this weird shuffling is so that direct followup queries
2149	# get handled first	3361	# get handled first
…		…
2161	} else {	3373	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3374	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3375	}
2164	}	3376	}
2165	},	3377	},
		3378	on_exticmd => sub {
		3379	my ($ns, $buf) = @_;
		3380
		3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3382
		3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
		3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
		3404	}
		3405	} else {
		3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3407	}
		3408
		3409	cf::override;
		3410	},
2166	);	3411	);
2167		3412
2168	=item $client->async (\&cb)	3413	=item $client->async (\&cb)
2169		3414
2170	Create a new coroutine, running the specified callback. The coroutine will	3415	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3431
2187	$coro	3432	$coro
2188	}	3433	}
2189		3434
2190	cf::client->attach (	3435	cf::client->attach (
2191	on_destroy => sub {	3436	on_client_destroy => sub {
2192	my ($ns) = @_;	3437	my ($ns) = @_;
2193		3438
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3440	},
2196	);	3441	);
…		…
2211	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2213		3458
2214	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2215		3460
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2217		3466
2218	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2219		3468
2220	=pod	3469	=pod
2221		3470
2222	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2223		3472
2224	cf::object contr pay_amount pay_player map	3473	cf::object
		3474	contr pay_amount pay_player map x y force_find force_add destroy
		3475	insert remove name archname title slaying race decrease split
		3476	value
		3477
2225	cf::object::player player	3478	cf::object::player
2226	cf::player peaceful	3479	player
2227	cf::map trigger	3480
		3481	cf::player
		3482	peaceful
		3483
		3484	cf::map
		3485	trigger
2228		3486
2229	=cut	3487	=cut
2230		3488
2231	for (	3489	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2236	) {	3496	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3499	for @funs;
2241	}	3500	}
2242		3501
…		…
2257		3516
2258	my $qcode = $code;	3517	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2261		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2262	local $_;	3524	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3525
2265	my $eval =	3526	my $eval =
2266	"do {\n"	3527	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3530	. $code
2270	. "\n}"	3531	. "\n}"
2271	;	3532	;
2272		3533
		3534	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2276		3543
2277	if ($@) {	3544	if ($@) {
2278	warn "$@";	3545	warn "$@",
2279	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2281	}	3548	}
2282		3549
2283	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2284	}	3551	}
2285		3552
…		…
2299	=cut	3566	=cut
2300		3567
2301	sub register_script_function {	3568	sub register_script_function {
2302	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2303		3570
2304	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2306	}	3573	}
2307		3574
2308	=back	3575	=back
2309		3576
2310	=cut	3577	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3578
2484	#############################################################################	3579	#############################################################################
2485	# the server's init and main functions	3580	# the server's init and main functions
2486		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2487	sub load_facedata($) {	3659	sub load_facedata($) {
2488	my ($path) = @_;	3660	my ($path) = @_;
2489		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2490	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2491		3665
2492	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3667
2498	$facedata->{version} == 2	3668	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2500		3679
2501	{	3680	{
2502	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2503		3682
2504	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3687	cf::face::set_visibility $idx, $info->{visibility};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2509	Coro::cede;	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2510	}	3694	}
2511		3695
2512	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2514	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2515	or next;	3700	or next;
		3701
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
		3703	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3705	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3707	}
2521	Coro::cede;
2522	}	3708	}
2523	}	3709	}
2524		3710
2525	{	3711	{
2526	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2527		3713
2528	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;
2531	}	3716	}
2532		3717
2533	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2534	}	3719	}
2535		3720
		3721	{
		3722	my $res = $facedata->{resource};
		3723
		3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
		3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3728
		3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
		3735	} else {
		3736	# $RESOURCE{$name} = $info; # unused
		3737	}
		3738	}
		3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
2536	1	3755	1
2537	}	3756	}
2538		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2539	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2540	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
		3797
		3798	for (cf::region::list) {
		3799	$_->{match} = qr/$_->{match}/
		3800	if exists $_->{match};
		3801	}
2542	}	3802	}
2543		3803
2544	sub reload_facedata {	3804	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2546	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2547	}	3807	}
2548		3808
2549	sub reload_archetypes {	3809	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2552	}	3838	}
2553		3839
2554	sub reload_treasures {	3840	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2557	}	3843	}
2558		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2559	sub reload_resources {	3865	sub reload_resources {
2560	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2561		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2562	reload_regions;	3873	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3874	reload_treasures;
2566		3875
2567	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2568	}	3877	}
2569		3878
2570	sub init {	3879	sub reload_config {
2571	reload_resources;	3880	trace "reloading config file...\n";
2572	}
2573		3881
2574	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2576	or return;	3884	*CFG = decode_yaml $config;
2577		3885
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3887
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3890
2586	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2590	};	3895	};
2591	warn $@ if $@;	3896	warn $@ if $@;
2592	}	3897	}
2593	}	3898	}
2594		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::loop starting\n";
		3921	if (1) {
		3922	EV::loop;
		3923	}
		3924	trace "EV::loop returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2595	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2596	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3941	(async {
2600	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2602	};	3945	};
2603		3946
2604	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2605	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2606	load_extensions;	3971	load_extensions;
2607		3972
2608	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2610	}	3990	}
2611		3991
2612	#############################################################################	3992	#############################################################################
2613	# initialisation and cleanup	3993	# initialisation and cleanup
2614		3994
2615	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2616	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2625	},
2626	);	4001	};
		4002	}
		4003	}
		4004
		4005	sub write_runtime_sync {
		4006	my $t0 = AE::time;
		4007
		4008	# first touch the runtime file to show we are still running:
		4009	# the fsync below can take a very very long time.
		4010
		4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		4012
		4013	my $guard = cf::lock_acquire "write_runtime";
		4014
		4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		4016	or return;
		4017
		4018	my $value = $cf::RUNTIME + 90 + 10;
		4019	# 10 is the runtime save interval, for a monotonic clock
		4020	# 60 allows for the watchdog to kill the server.
		4021
		4022	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4023	and return;
		4024
		4025	# always fsync - this file is important
		4026	aio_fsync $fh
		4027	and return;
		4028
		4029	# touch it again to show we are up-to-date
		4030	aio_utime $fh, undef, undef;
		4031
		4032	close $fh
		4033	or return;
		4034
		4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4036	and return;
		4037
		4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4039
2627	}	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2628	}	4091	}
2629		4092
2630	sub emergency_save() {	4093	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2632		4095
2633	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2634		4102
2635	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2636	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	4114	$pl->save;
2644	}	4115	}
2645	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2646		4117
2647	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	4123	$map->valid or next;
2651	$map->save;	4124	$map->save;
2652	}	4125	}
2653	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2654		4127
2655	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2658	};	4156	};
2659		4157
2660	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2661	}	4159	}
2662		4160
2663	sub post_cleanup {	4161	sub post_cleanup {
2664	my ($make_core) = @_;	4162	my ($make_core) = @_;
2665		4163
		4164	IO::AIO::flush;
		4165
2666	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2668	}	4196	}
2669		4197
2670	sub do_reload_perl() {	4198	sub do_reload_perl() {
2671	# can/must only be called in main	4199	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2673	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2674	return;	4202	return;
2675	}	4203	}
2676		4204
2677	warn "reloading...";	4205	return if $RELOAD++;
2678		4206
2679	warn "entering sync_job";	4207	my $t1 = AE::time;
2680		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2681	cf::sync_job {	4215	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	4216	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		4217
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	4220	%EXT_CORO = ();
2710		4221
2711	warn "removing commands";	4222	trace "perl_reload: removing commands";
2712	%COMMAND = ();	4223	%COMMAND = ();
2713		4224
2714	warn "removing ext commands";	4225	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	4226	%EXTCMD = ();
		4227	%EXTICMD = ();
2716		4228
2717	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
2720		4232
2721	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
2722	eval {	4234	eval {
2723	$cb->($pkg);	4235	$cb->($pkg);
2724	1	4236	1
2725	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
2726	}	4242	}
2727		4243
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		4247
2736	warn "... unloading $k";	4248	trace "... unloading $k";
2737	delete $INC{$k};	4249	delete $INC{$k};
2738		4250
2739	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
2741		4253
2742	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
2744	}	4259	}
2745		4260
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		4264
2753	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4268
2757	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4270	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
2760		4272
2761	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
2762		4274
2763	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
2764	require cf;	4276	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
2766		4278
2767	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4280	cf::reload_config;
2769		4281
2770	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4283	cf::load_extensions;
2772		4284
		4285	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
2779		4293
2780	warn "leaving sync_job";	4294	cf::_post_init 1;
2781		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
2782	1	4298	1
2783	} or do {	4299	} or do {
2784	warn $@;	4300	error $@;
2785	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4302	};
		4303
		4304	--$RELOAD;
2787	};	4305	}
2788		4306
2789	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
2790	};	4309	};
2791		4310
2792	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
2793		4312
2794	sub reload_perl() {	4313	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
2797		4316
2798	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4319
2801	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4321	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
2805	},	4323	};
2806	);	4324	};
2807	}	4325	}
2808		4326
2809	register_command "reload" => sub {	4327	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
2811		4329
2812	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4334	reload_perl;
		4335	};
2815	}	4336	}
2816	};	4337	};
2817		4338
2818	unshift @INC, $LIBDIR;	4339	#############################################################################
2819		4340
2820	my $bug_warning = 0;	4341	my $bug_warning = 0;
2821		4342
2822	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;
2824
2825	sub wait_for_tick {	4343	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2827	return if $Coro::current == $Coro::main;
2828		4345
2829	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
2830	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;
2832	}	4347	}
2833		4348
2834	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2836	return if $Coro::current == $Coro::main;
2837		4351
2838	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4354	$signal->wait;
2841	}	4355	}
2842		4356
2843	my $min = 1e6;#d#	4357	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
2855	return;	4361	return;
2856	}	4362	}
2857		4363
2858	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
2859		4365
2860	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2861		4367
2862	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	4370	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
2866	or die;	4372	write_runtime_sync
2867		4373	or error "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4374	};
		4375	}
2884		4376
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4378	$sig->send;
2901	}	4379	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
2903	$sig->send;
2904	}
2905		4381
2906	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4384
2917	_post_tick;	4385	if (0) {
2918		4386	if ($NEXT_TICK) {
2919		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
2920	},	4391	}
2921	);	4392	}
2922		4393
2923	{	4394	{
2924	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
2926	reentrant => 0,	4397
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
2934		4399	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4401
2950	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4409
2953	cf::sync_job {	4410	cf::sync_job {
2954	eval {	4411	eval {
2955	BDB::db_env_open	4412	BDB::db_env_open
2956	$DB_ENV,	4413	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4417	0666;
2961		4418
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4420	};
2967		4421
2968	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4423	};
2970	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
2971	}	4437	}
2972		4438
2973	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
2974	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,	4446	info "aio initialised";
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4447	}
2987		4448
2988	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
2989		4451
2990	sub _log_backtrace {	4452	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
2992		4454
2993	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
2994		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
2998	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
2999	my @bt = fork_call {	4468	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3011	}	4480	}
3012		4481
3013	@funcs	4482	@funcs
3014	};	4483	};
3015		4484
3016	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4488	--$_log_backtrace;
3019	};	4489	};
3020	} else {	4490	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4493	}
3024	}	4494	}
3025		4495
3026	# load additional modules	4496	# load additional modules
3027	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3028		4499
3029	END { cf::emergency_save }	4500	END { cf::emergency_save }
3030		4501
3031	1	4502	1
3032		4503

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