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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.618 by root, Mon Aug 10 18:48:41 2015 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::run EV::RUN_ONCE;
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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	735	=cut
401	utime undef, undef, $fh;	736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
		741	sub fork_call(&@) {
		742	my ($cb, @args) = @_;
		743
		744	my @res = Coro::Util::fork_eval {
		745	cf::post_fork;
		746	&$cb
		747	} @args;
		748
		749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		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 $!;
402	}	820	};
		821	cf::cleanup "db_open(db): $@" if $@;
403		822
404	my $guard = cf::lock_acquire "write_runtime";	823	$db
		824	}
405		825
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	826	our $DB;
407	or return;
408		827
409	my $value = $cf::RUNTIME + 90 + 10;	828	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	829	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	830	}
412		831
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	832	sub db_get($$) {
414	and return;	833	my $key = "$_[0]/$_[1]";
415		834
416	# always fsync - this file is important	835	cf::error "db_get called from main context"
417	aio_fsync $fh	836	if $Coro::current == $Coro::main;
418	and return;
419		837
420	# touch it again to show we are up-to-date	838	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		839
423	close $fh	840	$! ? ()
424	or return;	841	: $data
		842	}
425		843
426	aio_rename "$runtime~", $runtime	844	sub db_put($$$) {
427	and return;	845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
428		848
429	warn "runtime file written.\n";#d#	849	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	913	}
		914
		915	db_get cache => "$id/data"
432	}	916	}
433		917
434	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
435		919
436	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.
437		921
438	=cut	922	=cut
439		923
440	sub datalog($@) {	924	sub datalog($@) {
441	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	927	}
444		928
445	=back	929	=back
446		930
447	=cut	931	=cut
448		932
449	#############################################################################	933	#############################################################################
450		934
451	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
452		936
453	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
454	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")
455	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
456		940
457	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>
458	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
459	crossfire+).	943	Deliantra).
460		944
461	=over 4	945	=over 4
462		946
463	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
464		948
…		…
508	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
509		993
510	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
512		996
513	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		999
516	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
517		1001
518	=over 4	1002	=over 4
…		…
642		1126
643	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1129
646	} elsif (ref $type) {	1130	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
648		1132
649	} else {	1133	} else {
650	shift @arg;	1134	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
652	}	1136	}
653	}	1137	}
654	}	1138	}
655		1139
656	sub _object_attach {	1140	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
667	}	1151	}
668		1152
669	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
670	} else {	1154	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1156	}
673		1157
674	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
675	}	1159	}
676		1160
…		…
716	";	1200	";
717	die if $@;	1201	die if $@;
718	}	1202	}
719		1203
720	our $override;	1204	our $override;
721	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?
722		1206
723	sub override {	1207	sub override {
724	$override = 1;	1208	$override = 1;
725	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
726	}	1210	}
727		1211
728	sub do_invoke {	1212	sub do_invoke {
729	my $event = shift;	1213	my $event = shift;
730	my $callbacks = shift;	1214	my $callbacks = shift;
731		1215
732	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
733		1217
734	local $override;	1218	local $override;
735		1219
736	for (@$callbacks) {	1220	for (@$callbacks) {
737	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
738		1222
739	if ($@) {	1223	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1225	override;
743	}	1226	}
744		1227
745	return 1 if $override;	1228	return 1 if $override;
746	}	1229	}
747		1230
748	0	1231	0
749	}	1232	}
750		1233
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1235
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1237
755	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
756		1239
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1243
761	=back	1244	=back
762		1245
763	=cut	1246	=cut
764		1247
765	#############################################################################	1248	#############################################################################
766	# 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, $ob2
		1291	}
767		1292
768	sub reattach {	1293	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1295	my ($obj) = @_;
771		1296
		1297	# no longer needed after getting rid of delete_package?
772	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
773		1299
774	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
775		1301
776	@$registry = ();	1302	@$registry = ();
777		1303
…		…
782	for (@$attach) {	1308	for (@$attach) {
783	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
785	}	1311	}
786	} else {	1312	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1314	}
789	}	1315	}
790	}	1316	}
791		1317
792	cf::attachable->attach (	1318	cf::attachable->attach (
793	prio => -1000000,	1319	prio => -1000000,
794	on_instantiate => sub {	1320	on_instantiate => sub {
795	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
796		1322
797	$data = from_json $data;	1323	$data = decode_json $data;
798		1324
799	for (@$data) {	1325	for (@$data) {
800	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
801		1327
802	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1344	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
820		1346
821	sync_job {	1347	sync_job {
822	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
825		1353
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1361	aio_close $fh;
831		1362
832	if (@$objs) {	1363	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1372	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
840	}	1374	}
841	} else {	1375	} else {
842	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
843	}	1377	}
844		1378
845	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1383	} else {
847	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
848	}	1385	}
849	} else {	1386	} else {
850	aio_unlink $filename;	1387	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
852	}	1389	}
853	}	1390	};
854	}	1391	}
855		1392
856	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
858		1395
…		…
870	or return;	1407	or return;
871		1408
872	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
874	or return;	1411	or return;
		1412
875	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
876	}	1415	}
877		1416
		1417	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
880	return ($data, $av);	1422	($data, $av)
881	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
882		1430
883	#############################################################################	1431	#############################################################################
884	# command handling &c	1432	# command handling &c
885		1433
886	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
887		1435
888	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
889	$name.	1437	$name.
890		1438
891	=cut	1439	=cut
…		…
897	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
898		1446
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1448	}
901		1449
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
903		1451
904	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.
905		1457
906	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
907	called.
908		1459
909	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
910		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$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
911	sub register_extcmd {	1482	sub register_extcmd($$) {
912	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
913		1484
914	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
915	}	1486	}
916		1487
		1488	sub register_async_extcmd($$) {
		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} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
917	cf::player->attach (	1508	cf::player->attach (
918	on_command => sub {	1509	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
920		1511
921	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
922	or return;	1513	or return;
923		1514
…		…
928	cf::override;	1519	cf::override;
929	},	1520	},
930	on_extcmd => sub {	1521	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
932		1523
933	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1525
935	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
938	$pl->ext_reply ($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);
939	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
940	}	1547	}
		1548
941	} else {	1549	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1551	}
944		1552
945	cf::override;	1553	cf::override;
946	},	1554	},
947	);	1555	);
948		1556
		1557	# "readahead" all extensions
949	sub load_extension {	1558	sub cache_extensions {
950	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
951		1560
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1564	}
977	die $@;
978	}	1565	};
979		1566
980	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;
981	}	1579	}
982		1580
983	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
984	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1590	next unless -r $path;
986	eval {	1591
987	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 $active;
		1663	}
988	1	1664	}
989	} or warn "$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	}
990	}	1677	};
991	}	1678	}
992		1679
993	#############################################################################	1680	#############################################################################
994		1681
		1682	=back
		1683
995	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
996		1685
997	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
998		1687
999	=cut	1688	=cut
1000		1689
1001	package cf::player;	1690	package cf::player;
1002		1691
1003	use Coro::AIO;	1692	use Coro::AIO;
1004		1693
1005	=head3 cf::player	1694	=head3 cf::player
1006		1695
1007	=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	}
1008		1711
1009	=item cf::player::find $login	1712	=item cf::player::find $login
1010		1713
1011	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1012		1715
…		…
1031		1734
1032	sub exists($) {	1735	sub exists($) {
1033	my ($login) = @_;	1736	my ($login) = @_;
1034		1737
1035	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1037	}	1740	}
1038		1741
1039	sub find($) {	1742	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1744	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1755
1053	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1056	}	1765	}
1057	}	1766	}
1058	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1059		1781
1060	sub save($) {	1782	sub save($) {
1061	my ($pl) = @_;	1783	my ($pl) = @_;
1062		1784
1063	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1069		1791
1070	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1074	Coro::cede;	1801	cf::cede_to_tick;
1075	}	1802	}
1076		1803
1077	sub new($) {	1804	sub new($) {
1078	my ($login) = @_;	1805	my ($login) = @_;
1079		1806
…		…
1085	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1086		1813
1087	$self	1814	$self
1088	}	1815	}
1089		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
1090	=item $pl->quit_character	1827	=item $pl->quit_character
1091		1828
1092	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1094		1831
…		…
1098	my ($pl) = @_;	1835	my ($pl) = @_;
1099		1836
1100	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1101		1838
1102	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1103	$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
1104		1841
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1108	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1109		1850
1110	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1147	or return [];	1888	or return [];
1148		1889
1149	my @logins;	1890	my @logins;
1150		1891
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1155		1902
1156	utf8::decode $login;	1903	utf8::decode $login;
1157	push @logins, $login;	1904	push @logins, $login;
1158	}	1905	}
1159		1906
1160	\@logins	1907	\@logins
1161	}	1908	}
1162		1909
1163	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1164		1913
1165	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1166	player. May block.	1915	player. May block.
1167		1916
1168	=cut	1917	=cut
…		…
1186	}	1935	}
1187		1936
1188	\@paths	1937	\@paths
1189	}	1938	}
1190		1939
1191	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1192		1941
1193	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1194		1943
1195	=cut
1196
1197	sub ext_reply($$%) {
1198	my ($self, $id, %msg) = @_;
1199
1200	$msg{msgid} = $id;
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}
1204
1205	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1206		1945
1207	Sends an ext event to the client.	1946	Sends an ext event to the client.
1208		1947
1209	=cut	1948	=cut
1210		1949
1211	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1213		1952
1214	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1215	}	1954	}
1216		1955
1217	=head3 cf::region	1956	=head3 cf::region
1218		1957
1219	=over 4	1958	=over 4
…		…
1222		1961
1223	package cf::region;	1962	package cf::region;
1224		1963
1225	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1226		1965
1227	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.
1228		1967
1229	=cut	1968	=cut
1230		1969
1231	sub find_by_path($) {	1970	sub find_by_path($) {
1232	my ($path) = @_;	1971	my ($path) = @_;
1233		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1234	my ($match, $specificity);	1975	my ($match, $specificity);
1235		1976
1236	for my $region (list) {	1977	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1240	}	1981	}
1241	}	1982	}
1242		1983
…		…
1263	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1265		2006
1266	sub generate_random_map {	2007	sub generate_random_map {
1267	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1269	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	2013	}
1283		2014
1284	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1285		2016
1286	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
…		…
1291		2022
1292	sub register {	2023	sub register {
1293	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	2025	my $pkg = caller;
1295		2026
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		2028
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	2030	}
1301		2031
1302	# also paths starting with '/'	2032	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		2034
1305	sub thawer_merge {	2035	sub thawer_merge {
1306	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1307		2037
1308	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1309	local $self->{path};	2039	local $self->{path};
1310	local $self->{load_path};	2040	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		2041
1314	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1315	}	2043	}
1316		2044
1317	sub normalise {	2045	sub normalise {
1318	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1319		2047
1320	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1321		2049
1322	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1323		2051
1324	# map plan:	2052	# map plan:
1325	#	2053	#
…		…
1340	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	2069	$path = "$base/$path";
1342	}	2070	}
1343		2071
1344	for ($path) {	2072	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1348	}	2075	}
1349		2076
1350	$path	2077	$path
…		…
1364	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1365	return $self;	2092	return $self;
1366	}	2093	}
1367	}	2094	}
1368		2095
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2097	()
1371	}	2098	}
1372		2099
		2100	# may re-bless or do other evil things
1373	sub init {	2101	sub init {
1374	my ($self) = @_;	2102	my ($self) = @_;
1375		2103
1376	$self	2104	$self
1377	}	2105	}
…		…
1396		2124
1397	# the temporary/swap location	2125	# the temporary/swap location
1398	sub save_path {	2126	sub save_path {
1399	my ($self) = @_;	2127	my ($self) = @_;
1400		2128
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1403	}	2131	}
1404		2132
1405	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1406	sub uniq_path {	2134	sub uniq_path {
1407	my ($self) = @_;	2135	my ($self) = @_;
1408		2136
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1411	}	2139	}
1412		2140
1413	# and all this just because we cannot iterate over	2141	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2142	my ($self) = @_;
1417		2143
1418	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1420	}	2147	}
1421		2148
1422	sub unlink_save {	2149	sub unlink_save {
1423	my ($self) = @_;	2150	my ($self) = @_;
1424		2151
…		…
1429		2156
1430	sub load_header_from($) {	2157	sub load_header_from($) {
1431	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1432		2159
1433	utf8::encode $path;	2160	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2162	or return;
1439		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1440	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1441		2171
1442	1	2172	1
1443	}	2173	}
1444		2174
		2175	# used to laod the header of an original map
1445	sub load_header_orig {	2176	sub load_header_orig {
1446	my ($self) = @_;	2177	my ($self) = @_;
1447		2178
1448	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1449	}	2180	}
1450		2181
		2182	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2183	sub load_header_temp {
1452	my ($self) = @_;	2184	my ($self) = @_;
1453		2185
1454	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1455	}	2187	}
1456		2188
		2189	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2190	sub prepare_temp {
1458	my ($self) = @_;	2191	my ($self) = @_;
1459		2192
1460	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1462	# safety	2195	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2198	}
1466		2199
		2200	# called after loading the header from an original map
1467	sub prepare_orig {	2201	sub prepare_orig {
1468	my ($self) = @_;	2202	my ($self) = @_;
1469		2203
1470	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2216	$self->load_header_orig
1483	or return;	2217	or return;
1484	$self->prepare_orig;	2218	$self->prepare_orig;
1485	}	2219	}
1486		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1487	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2225	unless $self->default_region;
1489		2226
1490	1	2227	1
1491	}	2228	}
1492		2229
1493	sub find;	2230	sub find;
1494	sub find {	2231	sub find {
1495	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1496		2233
		2234	cf::cede_to_tick;
		2235
1497	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1498		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2240
1501	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1504	or return;	2243	or return;
1505		2244
1506	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1507		2246
1508	$map->load_header	2247	$map->load_header
1509	or return;	2248	or return;
1510		2249
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1514	$map->reset;	2255	$map->reset;
1515	undef $guard;
1516	return find $path;	2256	return find $path;
1517	}	2257	}
1518		2258
1519	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1520	}	2260	}
1521	}	2261	}
1522		2262
1523	sub pre_load { }	2263	sub pre_load { }
1524	sub post_load { }	2264	#sub post_load { } # XS
1525		2265
1526	sub load {	2266	sub load {
1527	my ($self) = @_;	2267	my ($self) = @_;
1528		2268
1529	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1530		2270
1531	my $path = $self->{path};	2271	my $path = $self->{path};
1532		2272
1533	{	2273	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1535		2275
		2276	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2278
1540	$self->alloc;	2279	$self->alloc;
1541		2280
1542	$self->pre_load;	2281	$self->pre_load;
1543	Coro::cede;	2282	cf::cede_to_tick;
1544		2283
1545	$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)
1546	or return;	2288	or return;
1547		2289
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1549	if delete $self->{load_original};	2291	if delete $self->{load_original};
1550		2292
1551	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2294	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2297	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1556	}	2302	}
1557	}
1558		2303
1559	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;
1560	# now do the right thing for maps	2313	# now do the right thing for maps
1561	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2316	unless $self->difficulty;
1564	Coro::cede;	2317	cf::cede_to_tick;
1565		2318
1566	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2320	$self->decay_objects;
1568	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1569	$self->update_buttons;	2322	$self->update_buttons;
1570	Coro::cede;	2323	cf::cede_to_tick;
1571	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2325	}
1575		2326
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1577	}	2329	}
1578		2330
1579	$self->post_load;	2331	$self->post_load;
1580	}
1581		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
1582	sub customise_for {	2339	sub customise_for {
1583	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1584		2341
1585	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2343	if $self->per_player;
1587		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1588	$self	2348	$self
1589	}
1590
1591	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {
1593	my ($map) = @_;
1594
1595	my @diag; # diagonal neighbours
1596
1597	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)
1599	or next;
1600	$neigh = find $neigh, $map
1601	or next;
1602	$neigh->load;
1603
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}
1607
1608	for (@diag) {
1609	my $neigh = find @$_
1610	or next;
1611	$neigh->load;
1612	}
1613	}	2349	}
1614		2350
1615	sub find_sync {	2351	sub find_sync {
1616	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1617		2353
1618	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
1619	}	2359	}
1620		2360
1621	sub do_load_sync {	2361	sub do_load_sync {
1622	my ($map) = @_;	2362	my ($map) = @_;
1623		2363
1624	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;
1625	}	2369	}
1626		2370
1627	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1629		2373
1630	sub find_async {	2374	sub find_async {
1631	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1632		2376
1633	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1634		2378
1635	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1637	}	2381	}
1638		2382
1639	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1640	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1641	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2390	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2391	$map->load if $v;
		2392	}
1646		2393
1647	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1648	}	2395	}
1649	}	2396	}
1650	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1651	};	2398	};
1652	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1653		2400
1654	()	2401	()
1655	}	2402	}
1656		2403
		2404	# common code, used by both ->save and ->swapout
1657	sub save {	2405	sub _save {
1658	my ($self) = @_;	2406	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2407
1662	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1663		2409
1664	return unless $self->dirty;	2410	return unless $self->dirty;
1665		2411
…		…
1671	return if $self->{deny_save};	2417	return if $self->{deny_save};
1672		2418
1673	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1674		2420
1675	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1677	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1678		2427
1679	if ($uniq) {	2428	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2431	} else {
1683	$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);
1684	}	2433	}
1685	}	2434	}
1686		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1687	sub swap_out {	2444	sub swap_out {
1688	my ($self) = @_;	2445	my ($self) = @_;
1689		2446
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1695	return if $self->players;	2451	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		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
1699	$self->clear;	2462	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2463	}
1702		2464
1703	sub reset_at {	2465	sub reset_at {
1704	my ($self) = @_;	2466	my ($self) = @_;
1705		2467
1706	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1709		2470
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	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;
1712		2473
…		…
1723	my ($self) = @_;	2484	my ($self) = @_;
1724		2485
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2487
1727	return if $self->players;	2488	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2489
1730	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1731		2491
1732	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1733		2493
1734	# need to save uniques path	2494	# need to save uniques path
1735	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2497
…		…
1739	if $uniq;	2499	if $uniq;
1740	}	2500	}
1741		2501
1742	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1743		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2506	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2507
1748	$self->unlink_save;	2508	$self->unlink_save;
1749	$self->destroy;	2509	$self->destroy;
1750	}	2510	}
1751		2511
1752	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1753		2513
1754	sub nuke {	2514	sub nuke {
1755	my ($self) = @_;	2515	my ($self) = @_;
1756		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1757	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1758		2521
1759	$self->unlink_save;	2522	$self->unlink_save;
1760		2523
1761	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2529
1767	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1768		2532
1769	$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	]
1770	}	2570	}
1771		2571
1772	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1773		2573
1774	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2575	instantiated unique items. May block.
1776		2576
1777	=cut	2577	=cut
1778		2578
1779	sub unique_maps() {	2579	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2580	[
1781	or return;	2581	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2582	utf8::decode $_;
1787	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2585	? ()
1790	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2588	]
1792
1793	\@paths
1794	}	2589	}
1795		2590
1796	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	}
1797		2622
1798	=back	2623	=back
1799		2624
1800	=head3 cf::object	2625	=head3 cf::object
1801		2626
…		…
1805		2630
1806	=over 4	2631	=over 4
1807		2632
1808	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1809		2634
1810	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.
1811		2637
1812	=cut	2638	=cut
1813		2639
1814	sub inv_recursive_;	2640	sub inv_recursive_;
1815	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1818		2644
1819	sub inv_recursive {	2645	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1821	}	2647	}
1822		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
1823	package cf;	2677	package cf;
1824		2678
1825	=back	2679	=back
1826		2680
1827	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1836		2690
1837	=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	};
1838		2706
1839	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2708	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1844		2712
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2714
1847	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1852	}	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 (@_);
1853	}	2740	}
1854		2741
1855	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1856		2743
1857	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
1858	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
1859		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
1860	=cut	2772	=cut
1861		2773
1862	sub cf::object::player::may {	2774	sub cf::object::player::may {
1863	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
1864		2776
1865	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
1866	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
1867	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1868	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
1869	}	2781	}
1870		2782
1871	=item $player_object->enter_link	2783	=item $player_object->enter_link
1872		2784
1873	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}>).
1874		2786
1875	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.
1876	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.
1877		2791
1878	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.
1879		2799
1880	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
1881		2801
1882	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
1883	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
…		…
1901	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2822	my ($self) = @_;
1903		2823
1904	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
1905		2825
		2826	++$self->{_link_recursion};
		2827
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2829
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
1910		2832
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2834	}
1913		2835
1914	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
1916		2838
…		…
1933	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
1934	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
1935		2857
1936	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
1939		2861
1940	$map->load;	2862	$map->load;
1941	$map->load_diag;
1942		2863
1943	return unless $self->contr->active;	2864	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2865
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
1948	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
1949		2873
		2874	}
		2875
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1951		2877
1952	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
1953	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
1954	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
1955	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 >>.
1956		2886
1957	=cut	2887	=cut
1958		2888
1959	our $GOTOGEN;	2889	our $GOTOGEN;
1960		2890
1961	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
1962	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	}
1963		2899
1964	# 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
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2902
1967	$self->enter_link;	2903	$self->enter_link;
1968		2904
1969	(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
1970	my $map = eval {	2927	my $map = eval {
1971	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1972		2929
1973	if ($map) {	2930	if ($map) {
1974	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
1976	} else {	2933	} else {
1977	$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);
1978	}	2935	}
1979		2936
1980	$map	2937	$map
1981	};	2938	};
1982		2939
…		…
1987		2944
1988	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
1991	}	2948	}
		2949
		2950	$done->($self) if $done;
1992	})->prio (1);	2951	})->prio (1);
1993	}	2952	}
1994		2953
1995	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
1996		2955
…		…
2016	}	2975	}
2017		2976
2018	sub prepare_random_map {	2977	sub prepare_random_map {
2019	my ($exit) = @_;	2978	my ($exit) = @_;
2020		2979
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2982	# that depends on the exit object
2026		2983
2027	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2986	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2034	}	2993	}
2035		2994
2036	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2037		2996
2038	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2041		3000
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	3003	undef $fh;
2045	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2046		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2049	}	3012	}
2050	}	3013	}
2051		3014
2052	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2054		3017
2055	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2056		3019
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	3020	$self->enter_link;
2069		3021
2070	(async {	3022	(async {
2071	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2072	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
2073	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2074		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
2075	1;	3061	1
2076	}) {	3062	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "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. "
2079	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2081		3067
2082	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2083	$self->leave_link;	3069	$self->leave_link;
2084	}	3070	}
2085	})->prio (1);	3071	})->prio (1);
2086	}	3072	}
2087		3073
2088	=head3 cf::client	3074	=head3 cf::client
2089		3075
2090	=over 4	3076	=over 4
2091		3077
2092	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2093		3079
2094	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2095	should not be used under normal circumstances.	3081	them as required.
2096		3082
2097	=cut	3083	=cut
2098		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
2099	sub cf::client::send_drawinfo {	3232	sub cf::client::send_msg {
2100	my ($self, $text, $flags) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2101		3234
2102	utf8::encode $text;	3235	$msg = $self->pl->expand_cfpod ($msg)
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3236	unless $color & cf::NDI_VERBATIM;
2104	}
2105		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
2106	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2107		3272
2108	Sends an exti event to the client.	3273	Sends an ext event to the client.
2109		3274
2110	=cut	3275	=cut
2111		3276
2112	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2114		3279
2115	$msg{msgtype} = "event_$type";	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2116	$self->send_packet ("ext " . cf::to_json \%msg);
2117	}	3281	}
2118		3282
2119	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2120		3284
2121	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
2122	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>,
2123	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>.
2124		3288
2125	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
2126	reliable at some point in the future.	3290	become reliable at some point in the future.
2127		3291
2128	=cut	3292	=cut
2129		3293
2130	sub cf::client::query {	3294	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	3295	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	3303	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3304	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		3305
2142	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2143	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;
2144	}	3349	}
2145		3350
2146	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	},
2147	on_reply => sub {	3357	on_reply => sub {
2148	my ($ns, $msg) = @_;	3358	my ($ns, $msg) = @_;
2149		3359
2150	# this weird shuffling is so that direct followup queries	3360	# this weird shuffling is so that direct followup queries
2151	# get handled first	3361	# get handled first
…		…
2163	} else {	3373	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3374	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3375	}
2166	}	3376	}
2167	},	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	},
2168	);	3411	);
2169		3412
2170	=item $client->async (\&cb)	3413	=item $client->async (\&cb)
2171		3414
2172	Create a new coroutine, running the specified callback. The coroutine will	3415	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		3431
2189	$coro	3432	$coro
2190	}	3433	}
2191		3434
2192	cf::client->attach (	3435	cf::client->attach (
2193	on_destroy => sub {	3436	on_client_destroy => sub {
2194	my ($ns) = @_;	3437	my ($ns) = @_;
2195		3438
2196	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2197	},	3440	},
2198	);	3441	);
…		…
2213	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2215		3458
2216	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2217		3460
2218	$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	));
2219		3466
2220	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2221		3468
2222	=pod	3469	=pod
2223		3470
2224	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2225		3472
2226	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
2227	cf::object::player player	3478	cf::object::player
2228	cf::player peaceful	3479	player
2229	cf::map trigger	3480
		3481	cf::player
		3482	peaceful
		3483
		3484	cf::map
		3485	trigger
2230		3486
2231	=cut	3487	=cut
2232		3488
2233	for (	3489	for (
2234	["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)],
2235	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2238	) {	3496	) {
2239	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2242	for @funs;	3499	for @funs;
2243	}	3500	}
2244		3501
…		…
2259		3516
2260	my $qcode = $code;	3517	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2263		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2264	local $_;	3524	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;
2266		3525
2267	my $eval =	3526	my $eval =
2268	"do {\n"	3527	"do {\n"
2269	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2270	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2271	. $code	3530	. $code
2272	. "\n}"	3531	. "\n}"
2273	;	3532	;
2274		3533
		3534	if ($CFG{safe_eval}) {
2275	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2276	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2277	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	}
2278		3543
2279	if ($@) {	3544	if ($@) {
2280	warn "$@";	3545	warn "$@",
2281	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2282	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2283	}	3548	}
2284		3549
2285	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2286	}	3551	}
2287		3552
…		…
2301	=cut	3566	=cut
2302		3567
2303	sub register_script_function {	3568	sub register_script_function {
2304	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2305		3570
2306	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2307	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2308	}	3573	}
2309		3574
2310	=back	3575	=back
2311		3576
2312	=cut	3577	=cut
2313
2314	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487		3578
2488	#############################################################################	3579	#############################################################################
2489	# the server's init and main functions	3580	# the server's init and main functions
2490		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
2491	sub load_facedata($) {	3659	sub load_facedata($) {
2492	my ($path) = @_;	3660	my ($path) = @_;
2493		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2494	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2495		3665
2496	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2497	0 < aio_load $path, $facedata
2498	or die "$path: $!";
2499
2500	$facedata = Coro::Storable::thaw $facedata;
2501		3667
2502	$facedata->{version} == 2	3668	$facedata->{version} == 2
2503	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;
2504		3679
2505	{	3680	{
2506	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2507		3682
2508	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3687	cf::face::set_visibility $idx, $info->{visibility};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2512	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};
2513	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];
2514	}	3694	}
2515		3695
2516	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2518	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2519	or next;	3700	or next;
		3701
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
		3703	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3705	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3707	}
2525	Coro::cede;
2526	}	3708	}
2527	}	3709	}
2528		3710
2529	{	3711	{
2530	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2531		3713
2532	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;
2535	}	3716	}
2536		3717
2537	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2538	}	3719	}
2539		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
2540	1	3755	1
2541	}	3756	}
2542		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
2543	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
2544	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2545	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	}
2546	}	3802	}
2547		3803
2548	sub reload_facedata {	3804	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2550	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2551	}	3807	}
2552		3808
2553	sub reload_archetypes {	3809	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2555	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;
2556	}	3838	}
2557		3839
2558	sub reload_treasures {	3840	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2561	}	3843	}
2562		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
2563	sub reload_resources {	3865	sub reload_resources {
2564	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2565		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2566	reload_regions;	3873	reload_regions;
2567	reload_facedata;
2568	reload_archetypes;
2569	reload_treasures;	3874	reload_treasures;
2570		3875
2571	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2572	}	3877	}
2573		3878
2574	sub init {	3879	sub reload_config {
2575	reload_resources;	3880	trace "reloading config file...\n";
2576	}
2577		3881
2578	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2580	or return;	3884	*CFG = decode_yaml $config;
2581		3885
2582	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;
2584
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2586		3887
2587	$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};
2588	$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};
2589		3890
2590	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2594	};	3895	};
2595	warn $@ if $@;	3896	warn $@ if $@;
2596	}	3897	}
2597	}	3898	}
2598		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::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2599	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
2600	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2602	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#
2603	(async {	3941	(async {
2604	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONCE;
2605	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2606	};	3945	};
2607		3946
2608	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2609	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
2610	load_extensions;	3971	load_extensions;
2611		3972
2612	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2613	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;
2614	}	3990	}
2615		3991
2616	#############################################################################	3992	#############################################################################
2617	# initialisation and cleanup	3993	# initialisation and cleanup
2618		3994
2619	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2620	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2629	},
2630	);	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
2631	}	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 };
2632	}	4091	}
2633		4092
2634	sub emergency_save() {	4093	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2636		4095
2637	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;
2638		4102
2639	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2640	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	4114	$pl->save;
2648	}	4115	}
2649	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2650		4117
2651	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";
2652	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	4123	$map->valid or next;
2655	$map->save;	4124	$map->save;
2656	}	4125	}
2657	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2658		4127
2659	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";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2661	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
2662	};	4156	};
2663		4157
2664	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2665	}	4159	}
2666		4160
2667	sub post_cleanup {	4161	sub post_cleanup {
2668	my ($make_core) = @_;	4162	my ($make_core) = @_;
2669		4163
		4164	IO::AIO::flush;
		4165
2670	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2671	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	}
2672	}	4196	}
2673		4197
2674	sub do_reload_perl() {	4198	sub do_reload_perl() {
2675	# can/must only be called in main	4199	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2677	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2678	return;	4202	return;
2679	}	4203	}
2680		4204
2681	warn "reloading...";	4205	return if $RELOAD++;
2682		4206
2683	warn "entering sync_job";	4207	my $t1 = AE::time;
2684		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2685	cf::sync_job {	4215	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark
2687	cf::emergency_save;	4216	#cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark
2689		4217
2690	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;
2692
2693	# if anything goes wrong in here, we should simply crash as we already saved
2694
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();	4220	%EXT_CORO = ();
2714		4221
2715	warn "removing commands";	4222	trace "perl_reload: removing commands";
2716	%COMMAND = ();	4223	%COMMAND = ();
2717		4224
2718	warn "removing ext commands";	4225	trace "perl_reload: removing ext/exti commands";
2719	%EXTCMD = ();	4226	%EXTCMD = ();
		4227	%EXTICMD = ();
2720		4228
2721	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
2724		4232
2725	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
2726	eval {	4234	eval {
2727	$cb->($pkg);	4235	$cb->($pkg);
2728	1	4236	1
2729	} 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;
2730	}	4242	}
2731		4243
2732	warn "... nuking $pkg";
2733	Symbol::delete_package $pkg;
2734	}
2735
2736	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2737	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		4247
2740	warn "... unloading $k";	4248	trace "... unloading $k";
2741	delete $INC{$k};	4249	delete $INC{$k};
2742		4250
2743	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
2745		4253
2746	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
2747	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
2748	}	4259	}
2749		4260
2750	Symbol::delete_package $k;
2751	}
2752
2753	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
2755	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);
2756		4264
2757	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		4268
2761	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
2762	# and global variables created in xs	4270	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
2764		4272
2765	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
2766		4274
2767	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
2768	require cf;	4276	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
2770		4278
2771	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
2772	cf::cfg_load;	4280	cf::reload_config;
2773		4281
2774	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
2775	cf::load_extensions;	4283	cf::load_extensions;
2776		4284
		4285	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
2780	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
2783		4293
2784	warn "leaving sync_job";	4294	cf::_post_init 1;
2785		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
2786	1	4298	1
2787	} or do {	4299	} or do {
2788	warn $@;	4300	error $@;
2789	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
2790	exit 1;	4302	};
		4303
		4304	--$RELOAD;
2791	};	4305	}
2792		4306
2793	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
2794	};	4309	};
2795		4310
2796	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
2797		4312
2798	sub reload_perl() {	4313	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
2801		4316
2802	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	4319
2805	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	4321	do_reload_perl;
2808	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
2809	},	4323	};
2810	);	4324	};
2811	}	4325	}
2812		4326
2813	register_command "reload" => sub {	4327	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
2815		4329
2816	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	4334	reload_perl;
		4335	};
2819	}	4336	}
2820	};	4337	};
2821		4338
2822	unshift @INC, $LIBDIR;	4339	#############################################################################
2823		4340
2824	my $bug_warning = 0;	4341	my $bug_warning = 0;
2825		4342
2826	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;
2828
2829	sub wait_for_tick {	4343	sub wait_for_tick() {
2830	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2831	return if $Coro::current == $Coro::main;
2832		4345
2833	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
2834	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;
2836	}	4347	}
2837		4348
2838	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
2839	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2840	return if $Coro::current == $Coro::main;
2841		4351
2842	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	4354	$signal->wait;
2845	}	4355	}
2846		4356
2847	my $min = 1e6;#d#	4357	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
2859	return;	4361	return;
2860	}	4362	}
2861		4363
2862	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
2863		4365
2864	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2865		4367
2866	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	4370	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
2870	or die;	4372	write_runtime_sync
2871		4373	or error "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	4374	};
		4375	}
2888		4376
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	4378	$sig->send;
2905	}	4379	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
2907	$sig->send;
2908	}
2909		4381
2910	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		4384
2921	_post_tick;	4385	if (0) {
2922		4386	if ($NEXT_TICK) {
2923		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
2924	},	4391	}
2925	);	4392	}
2926		4393
2927	{	4394	{
2928	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
2930	reentrant => 0,	4397
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
2938		4399	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		4401
2954	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
2955	$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);
2956		4409
2957	cf::sync_job {	4410	cf::sync_job {
2958	eval {	4411	eval {
2959	BDB::db_env_open	4412	BDB::db_env_open
2960	$DB_ENV,	4413	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	4417	0666;
2965		4418
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	4420	};
2971		4421
2972	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	4423	};
2974	}	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";
2975	}	4437	}
2976		4438
2977	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
2978	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,	4446	info "aio initialised";
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	4447	}
2991		4448
2992	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
2993		4451
2994	sub _log_backtrace {	4452	sub _log_backtrace {
2995	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
2996		4454
2997	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
2998		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2999	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3001	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3002	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3003	my @bt = fork_call {	4468	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	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 |"
3007	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3015	}	4480	}
3016		4481
3017	@funcs	4482	@funcs
3018	};	4483	};
3019		4484
3020	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	4488	--$_log_backtrace;
3023	};	4489	};
3024	} else {	4490	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3027	}	4493	}
3028	}	4494	}
3029		4495
3030	# load additional modules	4496	# load additional modules
3031	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3032		4499
3033	END { cf::emergency_save }	4500	END { cf::emergency_save }
3034		4501
3035	1	4502	1
3036		4503

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