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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC vs.
Revision 1.624 by root, Sat Nov 17 23:40:02 2018 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2018 Marc Alexander Lehmann / the Deliantra team
		5	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		6	#
		7	# Deliantra is free software: you can redistribute it and/or modify it under
		8	# the terms of the Affero GNU General Public License as published by the
		9	# Free Software Foundation, either version 3 of the License, or (at your
		10	# option) any later version.
		11	#
		12	# This program is distributed in the hope that it will be useful,
		13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		15	# GNU General Public License for more details.
		16	#
		17	# You should have received a copy of the Affero GNU General Public License
		18	# and the GNU General Public License along with this program. If not, see
		19	# <http://www.gnu.org/licenses/>.
		20	#
		21	# The authors can be reached via e-mail to <support@deliantra.net>
		22	#
		23
1	package cf;	24	package cf;
2		25
3	use utf8;	26	use common::sense;
4	use strict;
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
		36	use Carp ();
14		37
		38	use AnyEvent ();
		39	use AnyEvent::IO ();
		40	use AnyEvent::DNS ();
		41
15	use Coro 3.61 ();	42	use Coro ();
16	use Coro::State;	43	use Coro::State;
17	use Coro::Handle;	44	use Coro::Handle;
		45	use Coro::EV;
18	use Coro::Event;	46	use Coro::AnyEvent;
19	use Coro::Timer;	47	use Coro::Timer;
20	use Coro::Signal;	48	use Coro::Signal;
21	use Coro::Semaphore;	49	use Coro::Semaphore;
		50	use Coro::SemaphoreSet;
		51	use Coro::AnyEvent;
22	use Coro::AIO;	52	use Coro::AIO;
		53	use Coro::BDB 1.6;
23	use Coro::Storable;	54	use Coro::Storable;
		55	use Coro::Util ();
24		56
		57	use Guard ();
25	use JSON::XS 1.4 ();	58	use JSON::XS 2.01 ();
26	use BDB ();	59	use BDB ();
27	use Data::Dumper;	60	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	61	use Fcntl;
30	use YAML::Syck ();	62	use YAML::XS ();
		63	use CBOR::XS ();
31	use IO::AIO 2.32 ();	64	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	65	use Compress::LZF;
34	use Digest::MD5 ();	66	use Digest::MD5 ();
		67
		68	AnyEvent::detect;
35		69
36	# configure various modules to our taste	70	# configure various modules to our taste
37	#	71	#
38	$Storable::canonical = 1; # reduce rsync transfers	72	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	73	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		74
		75	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		76
		77	# make sure c-lzf reinitialises itself
		78	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	79	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		80
42	$Event::Eval = 1; # no idea why this is required, but it is	81	# strictly for debugging
43		82	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		83
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	84	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		85
		86	our @ORIG_INC;
50		87
51	our %COMMAND = ();	88	our %COMMAND = ();
52	our %COMMAND_TIME = ();	89	our %COMMAND_TIME = ();
53		90
54	our @EXTS = (); # list of extension package names	91	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	92	our %EXTCMD = ();
		93	our %EXTACMD = ();
56	our %EXTICMD = ();	94	our %EXTICMD = ();
		95	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
59		98
60	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	100	our @EVENT;
		101	our @REFLECT; # set by XS
		102	our %REFLECT; # set by us
62		103
63	our $CONFDIR = confdir;	104	our $CONFDIR = confdir;
		105
64	our $DATADIR = datadir;	106	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	107	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	108	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	109	our $MAPDIR = "$DATADIR/" . mapdir;
		110
68	our $LOCALDIR = localdir;	111	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	112	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	113	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	114	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	115	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	116	our $BDBDIR = "$LOCALDIR/db";
		117	our $PIDFILE = "$LOCALDIR/pid";
		118	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		119
		120	#our %RESOURCE; # unused
		121
		122	our $OUTPUT_RATE_MIN = 3000;
		123	our $OUTPUT_RATE_MAX = 1000000;
		124
		125	our $MAX_LINKS = 32; # how many chained exits to follow
		126	our $VERBOSE_IO = 1;
74		127
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	128	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	129	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	130	our $NEXT_TICK;
		131	our $USE_FSYNC = 1; # use fsync to write maps - default on
		132
		133	our $BDB_DEADLOCK_WATCHER;
		134	our $BDB_CHECKPOINT_WATCHER;
		135	our $BDB_TRICKLE_WATCHER;
		136	our $DB_ENV;
		137
		138	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		139
		140	our %CFG;
		141	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		142
		143	our $UPTIME; $UPTIME ||= time;
		144	our $RUNTIME = 0;
		145	our $SERVER_TICK = 0;
80	our $NOW;	146	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		147
83	our $BDB_POLL_WATCHER;	148	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	149	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	150	our $LINK_MAP; # the special {link} map, which is always available
94		151
95	# used to convert map paths into valid unix filenames by replacing / by ∕	152	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	153	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		154
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	155	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	156	our $LOADAVG; # same thing, but with alpha-smoothing
		157	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	158	our $TICK_START; # for load detecting purposes
		159
		160	our @POST_INIT;
		161
		162	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		163	our $REALLY_UNLOOP; # never set to true, please :)
		164
		165	our $WAIT_FOR_TICK = new Coro::Signal;
		166	our @WAIT_FOR_TICK_BEGIN;
101		167
102	binmode STDOUT;	168	binmode STDOUT;
103	binmode STDERR;	169	binmode STDERR;
104		170
105	# read virtual server time, if available	171	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	172	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	173	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	174	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	175	$RUNTIME = <$fh> + 0.;
110	}	176	}
		177
		178	eval "sub TICK() { $TICK } 1" or die;
111		179
112	mkdir $_	180	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	181	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		182
115	our $EMERGENCY_POSITION;	183	our $EMERGENCY_POSITION;
116		184
117	sub cf::map::normalise;	185	sub cf::map::normalise;
118		186
		187	sub in_main() {
		188	$Coro::current == $Coro::main
		189	}
		190
119	#############################################################################	191	#############################################################################
120		192
		193	%REFLECT = ();
		194	for (@REFLECT) {
		195	my $reflect = JSON::XS::decode_json $_;
		196	$REFLECT{$reflect->{class}} = $reflect;
		197	}
		198
		199	# this is decidedly evil
		200	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		201
		202	#############################################################################
		203
121	=head2 GLOBAL VARIABLES	204	=head2 GLOBAL VARIABLES
122		205
123	=over 4	206	=over 4
124		207
125	=item $cf::UPTIME	208	=item $cf::UPTIME
126		209
127	The timestamp of the server start (so not actually an uptime).	210	The timestamp of the server start (so not actually an "uptime").
		211
		212	=item $cf::SERVER_TICK
		213
		214	An unsigned integer that starts at zero when the server is started and is
		215	incremented on every tick.
		216
		217	=item $cf::NOW
		218
		219	The (real) time of the last (current) server tick - updated before and
		220	after tick processing, so this is useful only as a rough "what time is it
		221	now" estimate.
		222
		223	=item $cf::TICK
		224
		225	The interval between each server tick, in seconds.
128		226
129	=item $cf::RUNTIME	227	=item $cf::RUNTIME
130		228
131	The time this server has run, starts at 0 and is increased by $cf::TICK on	229	The time this server has run, starts at 0 and is increased by $cf::TICK on
132	every server tick.	230	every server tick.
133		231
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	232	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	233	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	234	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		235
138	Various directories - "/etc", read-only install directory, perl-library	236	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	237	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	238	unique-items directory, player file directory, random maps directory and
141	database environment.	239	database environment.
142		240
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	241	=item $cf::LOADAVG
152		242
153	The current CPU load on the server (alpha-smoothed), as a value between 0	243	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	244	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	245	objects per tick. Healthy values are < 0.5.
…		…
158		248
159	The raw value load value from the last tick.	249	The raw value load value from the last tick.
160		250
161	=item %cf::CFG	251	=item %cf::CFG
162		252
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	253	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	254	from wherever your confdir points to.
165		255
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	256	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		257
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	258	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	259	cf::wait_for_tick_begin only returns directly I<after> the tick
		260	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	261	cf::wait_for_tick wakes up all waiters after tick processing.
		262
		263	Note that cf::wait_for_tick will immediately return when the server is not
		264	ticking, making it suitable for small pauses in threads that need to run
		265	when the server is paused. If that is not applicable (i.e. you I<really>
		266	want to wait, use C<$cf::WAIT_FOR_TICK>).
		267
		268	=item $cf::WAIT_FOR_TICK
		269
		270	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		271	variable contains a L<Coro::Signal> that is broadcats after every server
		272	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		273	next server tick.
		274
		275	=cut
		276
		277	sub wait_for_tick();
		278	sub wait_for_tick_begin();
171		279
172	=item @cf::INVOKE_RESULTS	280	=item @cf::INVOKE_RESULTS
173		281
174	This array contains the results of the last C<invoke ()> call. When	282	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	283	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	284	that call.
177		285
		286	=item %cf::REFLECT
		287
		288	Contains, for each (C++) class name, a hash reference with information
		289	about object members (methods, scalars, arrays and flags) and other
		290	metadata, which is useful for introspection.
		291
178	=back	292	=back
179		293
180	=cut	294	=cut
181		295
182	BEGIN {	296	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	297	sub warn (@) { LOG llevWarn , join "", @_ }
		298	sub info (@) { LOG llevInfo , join "", @_ }
		299	sub debug(@) { LOG llevDebug, join "", @_ }
		300	sub trace(@) { LOG llevTrace, join "", @_ }
		301
		302	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	303	my $msg = join "", @_;
185		304
186	$msg .= "\n"	305	$msg .= "\n"
187	unless $msg =~ /\n$/;	306	unless $msg =~ /\n$/;
188		307
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	308	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		309
191	utf8::encode $msg;
192	LOG llevError, $msg;	310	LOG llevWarn, $msg;
193	};	311	};
194	}	312
		313	$Coro::State::DIEHOOK = sub {
		314	return unless $^S eq 0; # "eq", not "=="
		315
		316	error Carp::longmess $_[0];
		317
		318	if (in_main) {#d#
		319	error "DIEHOOK called in main context, Coro bug?\n";#d#
		320	return;#d#
		321	}#d#
		322
		323	# kill coroutine otherwise
		324	Coro::terminate
		325	};
195		326
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	327	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	328	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	329	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	330	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	337	for my $pkg (qw(
207	cf::global cf::attachable	338	cf::global cf::attachable
208	cf::object cf::object::player	339	cf::object cf::object::player
209	cf::client cf::player	340	cf::client cf::player
210	cf::arch cf::living	341	cf::arch cf::living
		342	cf::map cf::mapspace
211	cf::map cf::party cf::region	343	cf::party cf::region
212	)) {	344	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	345	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	346	}
216		347
217	$Event::DIED = sub {	348	$EV::DIED = sub {
218	warn "error in event callback: @_";	349	warn "error in event callback: $@";
219	};	350	};
		351
		352	#############################################################################
		353
		354	sub fork_call(&@);
		355	sub get_slot($;$$);
220		356
221	#############################################################################	357	#############################################################################
222		358
223	=head2 UTILITY FUNCTIONS	359	=head2 UTILITY FUNCTIONS
224		360
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	381	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	382	$d
247	} || "[unable to dump $_[0]: '$@']";	383	} || "[unable to dump $_[0]: '$@']";
248	}	384	}
249		385
		386	=item $scalar = cf::load_file $path
		387
		388	Loads the given file from path and returns its contents. Croaks on error
		389	and can block.
		390
		391	=cut
		392
		393	sub load_file($) {
		394	0 <= aio_load $_[0], my $data
		395	or Carp::croak "$_[0]: $!";
		396
		397	$data
		398	}
		399
		400	=item $success = cf::replace_file $path, $data, $sync
		401
		402	Atomically replaces the file at the given $path with new $data, and
		403	optionally $sync the data to disk before replacing the file.
		404
		405	=cut
		406
		407	sub replace_file($$;$) {
		408	my ($path, $data, $sync) = @_;
		409
		410	my $lock = cf::lock_acquire ("replace_file:$path");
		411
		412	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		413	or return;
		414
		415	$data = $data->() if ref $data;
		416
		417	length $data == aio_write $fh, 0, (length $data), $data, 0
		418	or return;
		419
		420	!$sync
		421	or !aio_fsync $fh
		422	or return;
		423
		424	aio_close $fh
		425	and return;
		426
		427	aio_rename "$path~", $path
		428	and return;
		429
		430	if ($sync) {
		431	$path =~ s%/[^/]*$%%;
		432	aio_pathsync $path;
		433	}
		434
		435	1
		436	}
		437
250	=item $ref = cf::from_json $json	438	=item $ref = cf::decode_json $json
251		439
252	Converts a JSON string into the corresponding perl data structure.	440	Converts a JSON string into the corresponding perl data structure.
253		441
254	=item $json = cf::to_json $ref	442	=item $json = cf::encode_json $ref
255		443
256	Converts a perl data structure into its JSON representation.	444	Converts a perl data structure into its JSON representation.
257		445
258	=cut	446	=cut
259		447
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	448	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		449
262	sub to_json ($) { $json_coder->encode ($_[0]) }	450	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	451	sub decode_json($) { $json_coder->decode ($_[0]) }
		452
		453	=item $ref = cf::decode_storable $scalar
		454
		455	Same as Coro::Storable::thaw, so blocks.
		456
		457	=cut
		458
		459	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		460
		461	=item $ref = cf::decode_yaml $scalar
		462
		463	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		464
		465	=cut
		466
		467	sub decode_yaml($) {
		468	fork_call { YAML::XS::Load $_[0] } @_
		469	}
		470
		471	=item $scalar = cf::decode_cbor $scalar
		472
		473	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		474	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		475	alternative.
		476
		477	=cut
		478
		479	sub decode_cbor($) {
		480	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		481	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		482	CBOR::XS::decode_cbor $_[0]
		483	}
		484
		485	=item $scalar = cf::unlzf $scalar
		486
		487	Same as Compress::LZF::compress, but takes server ticks into account, so
		488	blocks.
		489
		490	=cut
		491
		492	sub unlzf($) {
		493	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		494	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		495	Compress::LZF::decompress $_[0]
		496	}
		497
		498	=item cf::post_init { BLOCK }
		499
		500	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		501	but I<before> the server starts ticking again.
		502
		503	The codeblock will have a single boolean argument to indicate whether this
		504	is a reload or not.
		505
		506	=cut
		507
		508	sub post_init(&) {
		509	push @POST_INIT, shift;
		510	}
		511
		512	sub _post_init {
		513	trace "running post_init jobs";
		514
		515	# run them in parallel...
		516
		517	my @join;
		518
		519	while () {
		520	push @join, map &Coro::async ($_, 0), @POST_INIT;
		521	@POST_INIT = ();
		522
		523	@join or last;
		524
		525	(pop @join)->join;
		526	}
		527	}
264		528
265	=item cf::lock_wait $string	529	=item cf::lock_wait $string
266		530
267	Wait until the given lock is available. See cf::lock_acquire.	531	Wait until the given lock is available. See cf::lock_acquire.
268		532
269	=item my $lock = cf::lock_acquire $string	533	=item my $lock = cf::lock_acquire $string
270		534
271	Wait until the given lock is available and then acquires it and returns	535	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	536	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	537	for example when the coroutine gets canceled), the lock is automatically
274	returned.	538	returned.
275		539
		540	Locks are *not* recursive, locking from the same coro twice results in a
		541	deadlocked coro.
		542
276	Lock names should begin with a unique identifier (for example, cf::map::find	543	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	544	uses map_find and cf::map::load uses map_load).
278		545
279	=item $locked = cf::lock_active $string	546	=item $locked = cf::lock_active $string
280		547
281	Return true if the lock is currently active, i.e. somebody has locked it.	548	Return true if the lock is currently active, i.e. somebody has locked it.
282		549
283	=cut	550	=cut
284		551
285	our %LOCK;	552	our $LOCKS = new Coro::SemaphoreSet;
286		553
287	sub lock_wait($) {	554	sub lock_wait($) {
288	my ($key) = @_;	555	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	556	}
296		557
297	sub lock_acquire($) {	558	sub lock_acquire($) {
298	my ($key) = @_;	559	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	560	}
310		561
311	sub lock_active($) {	562	sub lock_active($) {
312	my ($key) = @_;	563	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	564	}
316		565
317	sub freeze_mainloop {	566	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	567	tick_inhibit_inc;
319		568
320	my $guard = Coro::guard {	569	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	570	}
322	};	571
323	$TICK_WATCHER->stop;	572	=item cf::periodic $interval, $cb
324	$guard	573
		574	Like EV::periodic, but randomly selects a starting point so that the actions
		575	get spread over time.
		576
		577	=cut
		578
		579	sub periodic($$) {
		580	my ($interval, $cb) = @_;
		581
		582	my $start = rand List::Util::min 180, $interval;
		583
		584	EV::periodic $start, $interval, 0, $cb
325	}	585	}
326		586
327	=item cf::get_slot $time[, $priority[, $name]]	587	=item cf::get_slot $time[, $priority[, $name]]
328		588
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	589	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	This call blocks and returns only when you have at least C<$time> seconds	590	(default: 0): This call blocks and returns only when you have at least
331	of cpu time till the next tick. The slot is only valid till the next cede.	591	C<$time> seconds of cpu time till the next tick. The slot is only valid
		592	till the next cede.
		593
		594	Background jobs should use a priority less than zero, interactive jobs
		595	should use 100 or more.
332		596
333	The optional C<$name> can be used to identify the job to run. It might be	597	The optional C<$name> can be used to identify the job to run. It might be
334	used for statistical purposes and should identify the same time-class.	598	used for statistical purposes and should identify the same time-class.
335		599
336	Useful for short background jobs.	600	Useful for short background jobs.
337		601
338	=cut	602	=cut
339		603
340	our @SLOT_QUEUE;	604	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	605	our $SLOT_QUEUE;
		606	our $SLOT_DECAY = 0.9;
342		607
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	608	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	609	$SLOT_QUEUE = Coro::async {
		610	$Coro::current->desc ("timeslot manager");
		611
345	my $signal = new Coro::Signal;	612	my $signal = new Coro::Signal;
		613	my $busy;
346		614
347	while () {	615	while () {
348	next_job:	616	next_job:
		617
		618	Coro::cede;
		619
349	my $avail = cf::till_tick;	620	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	621
351	for (0 .. $#SLOT_QUEUE) {	622	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	623	if ($SLOT_QUEUE[$_][0] <= $avail) {
		624	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	625	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	626	$job->[2]->send;
355	Coro::cede;
356	goto next_job;	627	goto next_job;
357	}	628	} else {
		629	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	630	}
359	}	631	}
360		632
361	if (@SLOT_QUEUE) {	633	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	634	wait_for_tick;
363	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;
365	} else {	635	} else {
		636	$busy = 0;
366	Coro::schedule;	637	Coro::schedule;
367	}	638	}
368	}	639	}
369	};	640	};
370		641
371	sub get_slot($;$$) {	642	sub get_slot($;$$) {
		643	return if tick_inhibit || $Coro::current == $Coro::main;
		644
372	my ($time, $pri, $name) = @_;	645	my ($time, $pri, $name) = @_;
373		646
374	$time = $TICK * .6 if $time > $TICK * .6;	647	$time = clamp $time, 0.01, $TICK * .6;
		648
375	my $sig = new Coro::Signal;	649	my $sig = new Coro::Signal;
376		650
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	651	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	652	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	653	$SLOT_QUEUE->ready;
…		…
390		664
391	BEGIN { *async = \&Coro::async_pool }	665	BEGIN { *async = \&Coro::async_pool }
392		666
393	=item cf::sync_job { BLOCK }	667	=item cf::sync_job { BLOCK }
394		668
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	669	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	670	is always able to handle events or is runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	671	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	672	acceptable.
399		673
400	If it must be done, put the blocking parts into C<sync_job>. This will run	674	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	675	the given BLOCK in another coroutine while waiting for the result. The
…		…
405	=cut	679	=cut
406		680
407	sub sync_job(&) {	681	sub sync_job(&) {
408	my ($job) = @_;	682	my ($job) = @_;
409		683
410	if ($Coro::current == $Coro::main) {	684	if (in_main) {
411	my $time = Event::time;	685	my $time = AE::time;
412		686
413	# this is the main coro, too bad, we have to block	687	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	688	# till the operation succeeds, freezing the server :/
415		689
416	# TODO: use suspend/resume instead	690	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	691
418	my $freeze_guard = freeze_mainloop;	692	my $freeze_guard = freeze_mainloop;
419		693
420	my $busy = 1;	694	my $busy = 1;
421	my @res;	695	my @res;
422		696
423	(async {	697	(async {
		698	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	699	@res = eval { $job->() };
425	warn $@ if $@;	700	error $@ if $@;
426	undef $busy;	701	undef $busy;
427	})->prio (Coro::PRIO_MAX);	702	})->prio (Coro::PRIO_MAX);
428		703
429	while ($busy) {	704	while ($busy) {
430	Coro::cede or Event::one_event;	705	if (Coro::nready) {
		706	Coro::cede_notself;
		707	} else {
		708	EV::run EV::RUN_ONCE;
431	}	709	}
		710	}
432		711
433	$time = Event::time - $time;	712	my $time = AE::time - $time;
434		713
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	714	$TICK_START += $time; # do not account sync jobs to server load
439		715
440	wantarray ? @res : $res[0]	716	wantarray ? @res : $res[0]
441	} else {	717	} else {
442	# we are in another coroutine, how wonderful, everything just works	718	# we are in another coroutine, how wonderful, everything just works
443		719
…		…
463	$EXT_CORO{$coro+0} = $coro;	739	$EXT_CORO{$coro+0} = $coro;
464		740
465	$coro	741	$coro
466	}	742	}
467		743
468	=item fork_call { }, $args	744	=item fork_call { }, @args
469		745
470	Executes the given code block with the given arguments in a seperate	746	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	747	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	748	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	749	never block itself or use any form of event handling.
474		750
475	=cut	751	=cut
476		752
477	sub _store_scalar {	753	sub post_fork {
478	open my $fh, ">", \my $buf	754	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	755	}
485		756
486	sub fork_call(&@) {	757	sub fork_call(&@) {
487	my ($cb, @args) = @_;	758	my ($cb, @args) = @_;
488		759
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	760	my @res = Coro::Util::fork_eval {
490	# or die "socketpair: $!";	761	cf::post_fork;
491	pipe my $fh1, my $fh2	762	&$cb
492	or die "pipe: $!";	763	} @args;
493		764
494	if (my $pid = fork) {	765	wantarray ? @res : $res[-1]
495	close $fh2;	766	}
496		767
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	768	sub objinfo {
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	769	(
		770	"counter value" => cf::object::object_count,
		771	"objects created" => cf::object::create_count,
		772	"objects destroyed" => cf::object::destroy_count,
		773	"freelist size" => cf::object::free_count,
		774	"allocated objects" => cf::object::objects_size,
		775	"active objects" => cf::object::actives_size,
		776	)
		777	}
		778
		779	=item $coin = coin_from_name $name
		780
		781	=cut
		782
		783	our %coin_alias = (
		784	"silver" => "silvercoin",
		785	"silvercoin" => "silvercoin",
		786	"silvercoins" => "silvercoin",
		787	"gold" => "goldcoin",
		788	"goldcoin" => "goldcoin",
		789	"goldcoins" => "goldcoin",
		790	"platinum" => "platinacoin",
		791	"platinumcoin" => "platinacoin",
		792	"platinumcoins" => "platinacoin",
		793	"platina" => "platinacoin",
		794	"platinacoin" => "platinacoin",
		795	"platinacoins" => "platinacoin",
		796	"royalty" => "royalty",
		797	"royalties" => "royalty",
		798	);
		799
		800	sub coin_from_name($) {
		801	$coin_alias{$_[0]}
		802	? cf::arch::find $coin_alias{$_[0]}
		803	: undef
528	}	804	}
529		805
530	=item $value = cf::db_get $family => $key	806	=item $value = cf::db_get $family => $key
531		807
532	Returns a single value from the environment database.	808	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	810	=item cf::db_put $family => $key => $value
535		811
536	Stores the given C<$value> in the family. It can currently store binary	812	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	813	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		814
		815	=item $db = cf::db_table "name"
		816
		817	Create and/or open a new database table. The string must not be "db" and must be unique
		818	within each server.
		819
539	=cut	820	=cut
		821
		822	sub db_table($) {
		823	cf::error "db_get called from main context"
		824	if $Coro::current == $Coro::main;
		825
		826	my ($name) = @_;
		827	my $db = BDB::db_create $DB_ENV;
		828
		829	eval {
		830	$db->set_flags (BDB::CHKSUM);
		831
		832	utf8::encode $name;
		833	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		834	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		835	cf::cleanup "db_open(db): $!" if $!;
		836	};
		837	cf::cleanup "db_open(db): $@" if $@;
		838
		839	$db
		840	}
540		841
541	our $DB;	842	our $DB;
542		843
543	sub db_init {	844	sub db_init {
544	unless ($DB) {	845	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	846	}
559		847
560	sub db_get($$) {	848	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	849	my $key = "$_[0]/$_[1]";
562		850
563	cf::sync_job {	851	cf::error "db_get called from main context"
		852	if $Coro::current == $Coro::main;
		853
564	BDB::db_get $DB, undef, $key, my $data;	854	BDB::db_get $DB, undef, $key, my $data;
565		855
566	$! ? ()	856	$! ? ()
567	: $data	857	: $data
568	}
569	}	858	}
570		859
571	sub db_put($$$) {	860	sub db_put($$$) {
572	BDB::dbreq_pri 4;	861	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	862	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		890
602	my @data;	891	my @data;
603	my $md5;	892	my $md5;
604		893
605	for (0 .. $#$src) {	894	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	895	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	896	}
609		897
610	# if processing is expensive, check	898	# if processing is expensive, check
611	# checksum first	899	# checksum first
612	if (1) {	900	if (1) {
613	$md5 =	901	$md5 =
614	join "\x00",	902	join "\x00",
615	$processversion,	903	$processversion,
616	map {	904	map {
617	Coro::cede;	905	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	906	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	907	} 0.. $#$src;
620		908
621		909
622	my $dbmd5 = db_get cache => "$id/md5";	910	my $dbmd5 = db_get cache => "$id/md5";
…		…
625		913
626	return db_get cache => "$id/data";	914	return db_get cache => "$id/data";
627	}	915	}
628	}	916	}
629		917
630	my $t1 = Time::HiRes::time;	918	my $t1 = EV::time;
631	my $data = $process->(\@data);	919	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	920	my $t2 = EV::time;
633		921
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	922	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		923
636	db_put cache => "$id/data", $data;	924	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	925	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	926	db_put cache => "$id/meta", $meta;
639		927
…		…
649		937
650	=cut	938	=cut
651		939
652	sub datalog($@) {	940	sub datalog($@) {
653	my ($type, %kv) = @_;	941	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	942	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	943	}
656		944
657	=back	945	=back
658		946
659	=cut	947	=cut
660		948
661	#############################################################################	949	#############################################################################
662		950
663	=head2 ATTACHABLE OBJECTS	951	=head2 ATTACHABLE OBJECTS
664		952
665	Many objects in crossfire are so-called attachable objects. That means you can	953	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	954	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	955	to it. All such attachable objects support the following methods.
668		956
669	In the following description, CLASS can be any of C<global>, C<object>	957	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	958	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	959	Deliantra).
672		960
673	=over 4	961	=over 4
674		962
675	=item $attachable->attach ($attachment, key => $value...)	963	=item $attachable->attach ($attachment, key => $value...)
676		964
…		…
720	=item cf::CLASS::attachment $name, ...	1008	=item cf::CLASS::attachment $name, ...
721		1009
722	Register an attachment by C<$name> through which attachable objects of the	1010	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	1011	given CLASS can refer to this attachment.
724		1012
725	Some classes such as crossfire maps and objects can specify attachments	1013	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	1014	that are attached at load/instantiate time, thus the need for a name.
727		1015
728	These calls expect any number of the following handler/hook descriptions:	1016	These calls expect any number of the following handler/hook descriptions:
729		1017
730	=over 4	1018	=over 4
…		…
854		1142
855	} elsif (exists $cb_id{$type}) {	1143	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1144	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1145
858	} elsif (ref $type) {	1146	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1147	error "attaching objects not supported, ignoring.\n";
860		1148
861	} else {	1149	} else {
862	shift @arg;	1150	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1151	error "attach argument '$type' not supported, ignoring.\n";
864	}	1152	}
865	}	1153	}
866	}	1154	}
867		1155
868	sub _object_attach {	1156	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
879	}	1167	}
880		1168
881	$obj->{$name} = \%arg;	1169	$obj->{$name} = \%arg;
882	} else {	1170	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1171	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1172	}
885		1173
886	$obj->{_attachment}{$name} = undef;	1174	$obj->{_attachment}{$name} = undef;
887	}	1175	}
888		1176
…		…
947		1235
948	for (@$callbacks) {	1236	for (@$callbacks) {
949	eval { &{$_->[1]} };	1237	eval { &{$_->[1]} };
950		1238
951	if ($@) {	1239	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1240	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1241	override;
955	}	1242	}
956		1243
957	return 1 if $override;	1244	return 1 if $override;
958	}	1245	}
959		1246
960	0	1247	0
961	}	1248	}
962		1249
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1250	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1251
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1252	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1253
967	Generate an object-specific event with the given arguments.	1254	Generate an object-specific event with the given arguments.
968		1255
…		…
974		1261
975	=cut	1262	=cut
976		1263
977	#############################################################################	1264	#############################################################################
978	# object support	1265	# object support
979	#
980		1266
		1267	sub _object_equal($$);
		1268	sub _object_equal($$) {
		1269	my ($a, $b) = @_;
		1270
		1271	return 0 unless (ref $a) eq (ref $b);
		1272
		1273	if ("HASH" eq ref $a) {
		1274	my @ka = keys %$a;
		1275	my @kb = keys %$b;
		1276
		1277	return 0 if @ka != @kb;
		1278
		1279	for (0 .. $#ka) {
		1280	return 0 unless $ka[$_] eq $kb[$_];
		1281	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1282	}
		1283
		1284	} elsif ("ARRAY" eq ref $a) {
		1285
		1286	return 0 if @$a != @$b;
		1287
		1288	for (0 .. $#$a) {
		1289	return 0 unless _object_equal $a->[$_], $b->[$_];
		1290	}
		1291
		1292	} elsif ($a ne $b) {
		1293	return 0;
		1294	}
		1295
		1296	1
		1297	}
		1298
		1299	our $SLOW_MERGES;#d#
981	sub _can_merge {	1300	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1301	my ($ob1, $ob2) = @_;
983		1302
984	local $Storable::canonical = 1;	1303	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1304
988	$fob1 eq $fob2	1305	# we do the slow way here
		1306	return _object_equal $ob1, $ob2
989	}	1307	}
990		1308
991	sub reattach {	1309	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1310	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1311	my ($obj) = @_;
994		1312
		1313	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1314	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1315
997	my $registry = $obj->registry;	1316	my $registry = $obj->registry;
998		1317
999	@$registry = ();	1318	@$registry = ();
1000		1319
…		…
1005	for (@$attach) {	1324	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1325	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1326	_attach $registry, $klass, @attach;
1008	}	1327	}
1009	} else {	1328	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1329	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1330	}
1012	}	1331	}
1013	}	1332	}
1014		1333
1015	cf::attachable->attach (	1334	cf::attachable->attach (
1016	prio => -1000000,	1335	prio => -1000000,
1017	on_instantiate => sub {	1336	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1337	my ($obj, $data) = @_;
1019		1338
1020	$data = from_json $data;	1339	$data = decode_json $data;
1021		1340
1022	for (@$data) {	1341	for (@$data) {
1023	my ($name, $args) = @$_;	1342	my ($name, $args) = @$_;
1024		1343
1025	$obj->attach ($name, %{$args || {} });	1344	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1360	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1361	my ($filename, $rdata, $objs) = @_;
1043		1362
1044	sync_job {	1363	sync_job {
1045	if (length $$rdata) {	1364	if (length $$rdata) {
		1365	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1366	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1367	$decname, length $$rdata, scalar @$objs
		1368	if $VERBOSE_IO;
1048		1369
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1370	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1371	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1372	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1373	if ($cf::USE_FSYNC) {
		1374	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;
		1375	aio_fsync $fh;
		1376	}
1053	close $fh;	1377	aio_close $fh;
1054		1378
1055	if (@$objs) {	1379	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1380	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1381	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1382	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1383	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1384	if ($cf::USE_FSYNC) {
		1385	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;
		1386	aio_fsync $fh;
		1387	}
1061	close $fh;	1388	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1389	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1390	}
1064	} else {	1391	} else {
1065	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1066	}	1393	}
1067		1394
1068	aio_rename "$filename~", $filename;	1395	aio_rename "$filename~", $filename;
		1396
		1397	$filename =~ s%/[^/]+$%%;
		1398	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1399	} else {
1070	warn "FATAL: $filename~: $!\n";	1400	error "unable to save objects: $filename~: $!\n";
1071	}	1401	}
1072	} else {	1402	} else {
1073	aio_unlink $filename;	1403	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1404	aio_unlink "$filename.pst";
1075	}	1405	}
1076	}	1406	};
1077	}	1407	}
1078		1408
1079	sub object_freezer_as_string {	1409	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1410	my ($rdata, $objs) = @_;
1081		1411
…		…
1093	or return;	1423	or return;
1094		1424
1095	unless (aio_stat "$filename.pst") {	1425	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1426	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1427	or return;
		1428
1098	$av = eval { (Storable::thaw $av)->{objs} };	1429	my $st = eval { Coro::Storable::thaw $av };
		1430	$av = $st->{objs};
1099	}	1431	}
1100		1432
		1433	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1434	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1435	$decname, length $data, scalar @{$av || []}
		1436	if $VERBOSE_IO;
		1437
1103	return ($data, $av);	1438	($data, $av)
1104	}	1439	}
1105		1440
1106	=head2 COMMAND CALLBACKS	1441	=head2 COMMAND CALLBACKS
1107		1442
1108	=over 4	1443	=over 4
…		…
1110	=cut	1445	=cut
1111		1446
1112	#############################################################################	1447	#############################################################################
1113	# command handling &c	1448	# command handling &c
1114		1449
1115	=item cf::register_command $name => \&callback($ob,$args);	1450	=item cf::register_command $name => \&callback($ob,$args)
1116		1451
1117	Register a callback for execution when the client sends the user command	1452	Register a callback for execution when the client sends the user command
1118	$name.	1453	$name.
1119		1454
1120	=cut	1455	=cut
…		…
1126	#warn "registering command '$name/$time' to '$caller'";	1461	#warn "registering command '$name/$time' to '$caller'";
1127		1462
1128	push @{ $COMMAND{$name} }, [$caller, $cb];	1463	push @{ $COMMAND{$name} }, [$caller, $cb];
1129	}	1464	}
1130		1465
1131	=item cf::register_extcmd $name => \&callback($pl,$packet);	1466	=item cf::register_extcmd $name => \&callback($pl,@args)
1132		1467
1133	Register a callback for execution when the client sends an (synchronous)	1468	Register a callback for execution when the client sends an (synchronous)
1134	extcmd packet. Ext commands will be processed in the order they are	1469	extcmd packet. Ext commands will be processed in the order they are
1135	received by the server, like other user commands. The first argument is	1470	received by the server, like other user commands. The first argument is
1136	the logged-in player. Ext commands can only be processed after a player	1471	the logged-in player. Ext commands can only be processed after a player
1137	has logged in successfully.	1472	has logged in successfully.
1138		1473
1139	If the callback returns something, it is sent back as if reply was being	1474	The values will be sent back to the client.
1140	called.
1141		1475
		1476	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1477
		1478	Same as C<cf::register_extcmd>, but instead of returning values, the
		1479	callback needs to clal the C<$reply> function.
		1480
1142	=item cf::register_exticmd $name => \&callback($ns,$packet);	1481	=item cf::register_exticmd $name => \&callback($ns,@args)
1143		1482
1144	Register a callback for execution when the client sends an (asynchronous)	1483	Register a callback for execution when the client sends an (asynchronous)
1145	exticmd packet. Exti commands are processed by the server as soon as they	1484	exticmd packet. Exti commands are processed by the server as soon as they
1146	are received, i.e. out of order w.r.t. other commands. The first argument	1485	are received, i.e. out of order w.r.t. other commands. The first argument
1147	is a client socket. Exti commands can be received anytime, even before	1486	is a client socket. Exti commands can be received anytime, even before
1148	log-in.	1487	log-in.
1149		1488
1150	If the callback returns something, it is sent back as if reply was being	1489	The values will be sent back to the client.
1151	called.
1152		1490
1153	=cut	1491	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1154		1492
		1493	Same as C<cf::register_extcmd>, but instead of returning values, the
		1494	callback needs to clal the C<$reply> function.
		1495
		1496	=cut
		1497
1155	sub register_extcmd {	1498	sub register_extcmd($$) {
1156	my ($name, $cb) = @_;	1499	my ($name, $cb) = @_;
1157		1500
1158	$EXTCMD{$name} = $cb;	1501	$EXTCMD{$name} = $cb;
1159	}	1502	}
1160		1503
1161	sub register_exticmd {	1504	sub register_async_extcmd($$) {
1162	my ($name, $cb) = @_;	1505	my ($name, $cb) = @_;
1163		1506
		1507	$EXTACMD{$name} = $cb;
		1508	}
		1509
		1510	sub register_exticmd($$) {
		1511	my ($name, $cb) = @_;
		1512
1164	$EXTICMD{$name} = $cb;	1513	$EXTICMD{$name} = $cb;
1165	}	1514	}
1166		1515
		1516	sub register_async_exticmd($$) {
		1517	my ($name, $cb) = @_;
		1518
		1519	$EXTIACMD{$name} = $cb;
		1520	}
		1521
		1522	use File::Glob ();
		1523
1167	cf::player->attach (	1524	cf::player->attach (
1168	on_command => sub {	1525	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1526	my ($pl, $name, $params) = @_;
1170		1527
1171	my $cb = $COMMAND{$name}	1528	my $cb = $COMMAND{$name}
1172	or return;	1529	or return;
1173		1530
…		…
1181	my ($pl, $buf) = @_;	1538	my ($pl, $buf) = @_;
1182		1539
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1540	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1541
1185	if (ref $msg) {	1542	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1543	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg
1188	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1544
1191	if (my $cb = $EXTCMD{$type}) {	1545	if (my $cb = $EXTACMD{$type}) {
		1546	$cb->(
		1547	$pl,
		1548	sub {
		1549	$pl->ext_msg ("reply-$reply", @_)
		1550	if $reply;
		1551	},
		1552	@payload
		1553	);
		1554	} else {
		1555	my @reply;
		1556
		1557	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1558	@reply = $cb->($pl, @payload);
		1559	}
1193		1560
1194	$pl->ext_reply ($reply, @reply)	1561	$pl->ext_msg ("reply-$reply", @reply)
1195	if $reply;	1562	if $reply;
1196	}	1563	}
		1564
1197	} else {	1565	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1566	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1567	}
1200		1568
1201	cf::override;	1569	cf::override;
1202	},	1570	},
1203	);	1571	);
1204		1572
		1573	# "readahead" all extensions
		1574	sub cache_extensions {
		1575	my $grp = IO::AIO::aio_group;
		1576
		1577	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1578	for (grep /\.ext$/, @{$_[0]}) {
		1579	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1580	}
		1581	};
		1582
		1583	$grp
		1584	}
		1585
		1586	sub _ext_cfg_reg($$$$) {
		1587	my ($rvar, $varname, $cfgname, $default) = @_;
		1588
		1589	$cfgname = lc $varname
		1590	unless length $cfgname;
		1591
		1592	$EXT_CFG{$cfgname} = [$rvar, $default];
		1593
		1594	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1595	}
		1596
1205	sub load_extensions {	1597	sub load_extensions {
		1598	info "loading extensions...";
		1599
		1600	%EXT_CFG = ();
		1601
1206	cf::sync_job {	1602	cf::sync_job {
1207	my %todo;	1603	my %todo;
1208		1604
1209	for my $path (<$LIBDIR/*.ext>) {	1605	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1606	next unless -r $path;
…		…
1228		1624
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1625	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1626	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1627
1232	$ext{source} =	1628	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1629	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1630	. "#line 1 \"$path\"\n{\n"
1235	. $source	1631	. $source
1236	. "\n};\n1";	1632	. "\n};\n1";
1237		1633
1238	$todo{$base} = \%ext;	1634	$todo{$base} = \%ext;
1239	}	1635	}
1240		1636
		1637	my $pass = 0;
1241	my %done;	1638	my %done;
1242	while (%todo) {	1639	while (%todo) {
1243	my $progress;	1640	my $progress;
1244		1641
		1642	++$pass;
		1643
		1644	ext:
1245	while (my ($k, $v) = each %todo) {	1645	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1646	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1647	next ext
1248	unless exists $done{$_};	1648	unless exists $done{$_};
1249	}	1649	}
1250		1650
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1651	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1652
1253	unless (eval $v->{source}) {	1653	my $source = $v->{source};
		1654
		1655	# support "CONF varname :confname = default" pseudo-statements
		1656	$source =~ s{
		1657	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1658	}{
		1659	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1660	}gmxe;
		1661
		1662	my $active = eval $source;
		1663
		1664	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1665	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1666
		1667	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1668	if exists $v->{meta}{mandatory};
1258	warn $msg;	1669
1259	warn "mandatory extension failed to load, exiting.\n";	1670	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1671	delete $todo{$k};
1261	}	1672	} else {
1262		1673	$done{$k} = delete $todo{$k};
1263	warn $msg;	1674	push @EXTS, $v->{pkg};
		1675	$progress = 1;
		1676
		1677	info "$v->{base}: extension inactive.\n"
		1678	unless $active;
1264	}	1679	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1680	}
1270		1681
1271	skip:	1682	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1683	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1684
		1685	while (my ($k, $v) = each %todo) {
		1686	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1687	if exists $v->{meta}{mandatory};
		1688	}
		1689
		1690	last;
		1691	}
1274	}	1692	}
1275	};	1693	};
1276	}	1694	}
1277		1695
1278	#############################################################################	1696	#############################################################################
1279		1697
1280	=back	1698	=back
1281		1699
1282	=head2 CORE EXTENSIONS	1700	=head2 CORE EXTENSIONS
1283		1701
1284	Functions and methods that extend core crossfire objects.	1702	Functions and methods that extend core deliantra objects.
1285		1703
1286	=cut	1704	=cut
1287		1705
1288	package cf::player;	1706	package cf::player;
1289		1707
1290	use Coro::AIO;	1708	use Coro::AIO;
1291		1709
1292	=head3 cf::player	1710	=head3 cf::player
1293		1711
1294	=over 4	1712	=over 4
		1713
		1714	=item cf::player::num_playing
		1715
		1716	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1717
		1718	=cut
		1719
		1720	sub num_playing {
		1721	scalar grep
		1722	$_->ob->map
		1723	&& !$_->hidden
		1724	&& !$_->ob->flag (cf::FLAG_WIZ),
		1725	cf::player::list
		1726	}
1295		1727
1296	=item cf::player::find $login	1728	=item cf::player::find $login
1297		1729
1298	Returns the given player object, loading it if necessary (might block).	1730	Returns the given player object, loading it if necessary (might block).
1299		1731
…		…
1318		1750
1319	sub exists($) {	1751	sub exists($) {
1320	my ($login) = @_;	1752	my ($login) = @_;
1321		1753
1322	$cf::PLAYER{$login}	1754	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1755	or !aio_stat path $login
1324	}	1756	}
1325		1757
1326	sub find($) {	1758	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1759	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1760	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1767	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1768	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1769	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1770	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1771
1340	my $pl = load_pl path $login	1772	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1773	or return;
		1774
		1775	my $pl = cf::player::load_pl $f
		1776	or return;
		1777
		1778	local $cf::PLAYER_LOADING{$login} = $pl;
		1779	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1780	$cf::PLAYER{$login} = $pl
1343	}	1781	}
1344	}	1782	}
1345	}	1783	}
		1784
		1785	cf::player->attach (
		1786	on_load => sub {
		1787	my ($pl, $path) = @_;
		1788
		1789	# restore slots saved in save, below
		1790	my $slots = delete $pl->{_slots};
		1791
		1792	$pl->ob->current_weapon ($slots->[0]);
		1793	$pl->combat_ob ($slots->[1]);
		1794	$pl->ranged_ob ($slots->[2]);
		1795	},
		1796	);
1346		1797
1347	sub save($) {	1798	sub save($) {
1348	my ($pl) = @_;	1799	my ($pl) = @_;
1349		1800
1350	return if $pl->{deny_save};	1801	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1806	return if $pl->{deny_save};
1356		1807
1357	aio_mkdir playerdir $pl, 0770;	1808	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1809	$pl->{last_save} = $cf::RUNTIME;
1359		1810
		1811	cf::get_slot 0.01;
		1812
		1813	# save slots, to be restored later
		1814	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1815
1360	$pl->save_pl ($path);	1816	$pl->save_pl ($path);
1361	Coro::cede;	1817	cf::cede_to_tick;
1362	}	1818	}
1363		1819
1364	sub new($) {	1820	sub new($) {
1365	my ($login) = @_;	1821	my ($login) = @_;
1366		1822
…		…
1372	$cf::PLAYER{$login} = $self;	1828	$cf::PLAYER{$login} = $self;
1373		1829
1374	$self	1830	$self
1375	}	1831	}
1376		1832
		1833	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1834
		1835	=cut
		1836
		1837	sub send_msg {
		1838	my $ns = shift->ns
		1839	or return;
		1840	$ns->send_msg (@_);
		1841	}
		1842
1377	=item $pl->quit_character	1843	=item $pl->quit_character
1378		1844
1379	Nukes the player without looking back. If logged in, the connection will	1845	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1846	be destroyed. May block for a long time.
1381		1847
…		…
1385	my ($pl) = @_;	1851	my ($pl) = @_;
1386		1852
1387	my $name = $pl->ob->name;	1853	my $name = $pl->ob->name;
1388		1854
1389	$pl->{deny_save} = 1;	1855	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1856	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1857
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1858	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1859	$pl->deactivate;
		1860
		1861	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1862	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1863	ext::highscore::check ($pl->ob);
		1864
1395	$pl->ns->destroy if $pl->ns;	1865	$pl->ns->destroy if $pl->ns;
1396		1866
1397	my $path = playerdir $pl;	1867	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1868	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1869	aio_rename $path, $temp;
…		…
1434	or return [];	1904	or return [];
1435		1905
1436	my @logins;	1906	my @logins;
1437		1907
1438	for my $login (@$dirs) {	1908	for my $login (@$dirs) {
		1909	my $path = path $login;
		1910
		1911	# a .pst is a dead give-away for a valid player
		1912	# if no pst file found, open and chekc for blocked users
		1913	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1914	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1915	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1916	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1917	}
1442		1918
1443	utf8::decode $login;	1919	utf8::decode $login;
1444	push @logins, $login;	1920	push @logins, $login;
1445	}	1921	}
1446		1922
1447	\@logins	1923	\@logins
1448	}	1924	}
1449		1925
1450	=item $player->maps	1926	=item $player->maps
		1927
		1928	=item cf::player::maps $login
1451		1929
1452	Returns an arrayref of map paths that are private for this	1930	Returns an arrayref of map paths that are private for this
1453	player. May block.	1931	player. May block.
1454		1932
1455	=cut	1933	=cut
…		…
1473	}	1951	}
1474		1952
1475	\@paths	1953	\@paths
1476	}	1954	}
1477		1955
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1956	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1957
1480	Expand crossfire pod fragments into protocol xml.	1958	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527
1528	=item $player->ext_reply ($msgid, @msg)
1529
1530	Sends an ext reply to the player.
1531
1532	=cut
1533
1534	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;
1536
1537	if ($self->ns->extcmd == 2) {
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}
1545		1959
1546	=item $player->ext_msg ($type, @msg)	1960	=item $player->ext_msg ($type, @msg)
1547		1961
1548	Sends an ext event to the client.	1962	Sends an ext event to the client.
1549		1963
…		…
1569		1983
1570	=cut	1984	=cut
1571		1985
1572	sub find_by_path($) {	1986	sub find_by_path($) {
1573	my ($path) = @_;	1987	my ($path) = @_;
		1988
		1989	$path =~ s/^~[^\/]*//; # skip ~login
1574		1990
1575	my ($match, $specificity);	1991	my ($match, $specificity);
1576		1992
1577	for my $region (list) {	1993	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1994	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	2020	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	2021	our $DEFAULT_RESET = 3000;
1606		2022
1607	sub generate_random_map {	2023	sub generate_random_map {
1608	my ($self, $rmp) = @_;	2024	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	2025
		2026	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2027
1610	$self->_create_random_map (	2028	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	2029	}
1624		2030
1625	=item cf::map->register ($regex, $prio)	2031	=item cf::map->register ($regex, $prio)
1626		2032
1627	Register a handler for the map path matching the given regex at the	2033	Register a handler for the map path matching the given regex at the
…		…
1632		2038
1633	sub register {	2039	sub register {
1634	my (undef, $regex, $prio) = @_;	2040	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2041	my $pkg = caller;
1636		2042
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2043	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2044
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2045	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2046	}
1642		2047
1643	# also paths starting with '/'	2048	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2049	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2050
1646	sub thawer_merge {	2051	sub thawer_merge {
1647	my ($self, $merge) = @_;	2052	my ($self, $merge) = @_;
1648		2053
1649	# we have to keep some variables in memory intact	2054	# we have to keep some variables in memory intact
…		…
1654	}	2059	}
1655		2060
1656	sub normalise {	2061	sub normalise {
1657	my ($path, $base) = @_;	2062	my ($path, $base) = @_;
1658		2063
1659	$path = "$path"; # make sure its a string	2064	$path = "$path"; # make sure it's a string
1660		2065
1661	$path =~ s/\.map$//;	2066	$path =~ s/\.map$//;
1662		2067
1663	# map plan:	2068	# map plan:
1664	#	2069	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2084	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2085	$path = "$base/$path";
1681	}	2086	}
1682		2087
1683	for ($path) {	2088	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2089	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2090	redo if s{/[^/]+/\.\./}{/};
1687	}	2091	}
1688		2092
1689	$path	2093	$path
…		…
1703	$self->init; # pass $1 etc.	2107	$self->init; # pass $1 etc.
1704	return $self;	2108	return $self;
1705	}	2109	}
1706	}	2110	}
1707		2111
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2112	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2113	()
1710	}	2114	}
1711		2115
		2116	# may re-bless or do other evil things
1712	sub init {	2117	sub init {
1713	my ($self) = @_;	2118	my ($self) = @_;
1714		2119
1715	$self	2120	$self
1716	}	2121	}
…		…
1735		2140
1736	# the temporary/swap location	2141	# the temporary/swap location
1737	sub save_path {	2142	sub save_path {
1738	my ($self) = @_;	2143	my ($self) = @_;
1739		2144
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2145	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2146	"$TMPDIR/$path.map"
1742	}	2147	}
1743		2148
1744	# the unique path, undef == no special unique path	2149	# the unique path, undef == no special unique path
1745	sub uniq_path {	2150	sub uniq_path {
1746	my ($self) = @_;	2151	my ($self) = @_;
1747		2152
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2153	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2154	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2155	}
1760		2156
1761	sub decay_objects {	2157	sub decay_objects {
1762	my ($self) = @_;	2158	my ($self) = @_;
1763		2159
…		…
1776		2172
1777	sub load_header_from($) {	2173	sub load_header_from($) {
1778	my ($self, $path) = @_;	2174	my ($self, $path) = @_;
1779		2175
1780	utf8::encode $path;	2176	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2177	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2178	or return;
1786		2179
		2180	$self->_load_header ($f)
		2181	or return;
		2182
		2183	local $MAP_LOADING{$self->{path}} = $self;
		2184	$f->resolve_delayed_derefs;
		2185
1787	$self->{load_path} = $path;	2186	$self->{load_path} = $path;
1788		2187
1789	1	2188	1
1790	}	2189	}
1791		2190
		2191	# used to laod the header of an original map
1792	sub load_header_orig {	2192	sub load_header_orig {
1793	my ($self) = @_;	2193	my ($self) = @_;
1794		2194
1795	$self->load_header_from ($self->load_path)	2195	$self->load_header_from ($self->load_path)
1796	}	2196	}
1797		2197
		2198	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2199	sub load_header_temp {
1799	my ($self) = @_;	2200	my ($self) = @_;
1800		2201
1801	$self->load_header_from ($self->save_path)	2202	$self->load_header_from ($self->save_path)
1802	}	2203	}
1803		2204
		2205	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2206	sub prepare_temp {
1805	my ($self) = @_;	2207	my ($self) = @_;
1806		2208
1807	$self->last_access ((delete $self->{last_access})	2209	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2210	|| $cf::RUNTIME); #d#
1809	# safety	2211	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2212	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2213	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2214	}
1813		2215
		2216	# called after loading the header from an original map
1814	sub prepare_orig {	2217	sub prepare_orig {
1815	my ($self) = @_;	2218	my ($self) = @_;
1816		2219
1817	$self->{load_original} = 1;	2220	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2221	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2245
1843	sub find;	2246	sub find;
1844	sub find {	2247	sub find {
1845	my ($path, $origin) = @_;	2248	my ($path, $origin) = @_;
1846		2249
		2250	cf::cede_to_tick;
		2251
1847	$path = normalise $path, $origin && $origin->path;	2252	$path = normalise $path, $origin;
1848		2253
		2254	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2255	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2256
1851	$cf::MAP{$path} || do {	2257	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2258	my $map = new_from_path cf::map $path
1854	or return;	2259	or return;
1855		2260
1856	$map->{last_save} = $cf::RUNTIME;	2261	$map->{last_save} = $cf::RUNTIME;
1857		2262
…		…
1859	or return;	2264	or return;
1860		2265
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2266	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2267	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2268	#$cf::WAIT_FOR_TICK->wait;
		2269	undef $guard2;
		2270	undef $guard1;
1864	$map->reset;	2271	$map->reset;
1865	undef $guard;
1866	return find $path;	2272	return find $path;
1867	}	2273	}
1868		2274
1869	$cf::MAP{$path} = $map	2275	$cf::MAP{$path} = $map
1870	}	2276	}
1871	}	2277	}
1872		2278
1873	sub pre_load { }	2279	sub pre_load { }
1874	sub post_load { }	2280	#sub post_load { } # XS
1875		2281
1876	sub load {	2282	sub load {
1877	my ($self) = @_;	2283	my ($self) = @_;
1878		2284
1879	local $self->{deny_reset} = 1; # loading can take a long time	2285	local $self->{deny_reset} = 1; # loading can take a long time
1880		2286
1881	my $path = $self->{path};	2287	my $path = $self->{path};
1882		2288
1883	{	2289	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2290	my $guard = cf::lock_acquire "map_data:$path";
1885		2291
		2292	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2293	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2294
1890	$self->alloc;	2295	$self->alloc;
1891		2296
1892	$self->pre_load;	2297	$self->pre_load;
1893	Coro::cede;	2298	cf::cede_to_tick;
1894		2299
1895	$self->_load_objects ($self->{load_path}, 1)	2300	if (exists $self->{load_path}) {
		2301	my $f = new_from_file cf::object::thawer $self->{load_path};
		2302	$f->skip_block;
		2303	$self->_load_objects ($f)
1896	or return;	2304	or return;
1897		2305
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2306	$self->post_load_original
1899	if delete $self->{load_original};	2307	if delete $self->{load_original};
1900		2308
1901	if (my $uniq = $self->uniq_path) {	2309	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2310	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2311	unless (aio_stat $uniq) {
		2312	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2313	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2314	$self->_load_objects ($f);
		2315	$f->resolve_delayed_derefs;
		2316	}
		2317	}
1906	}	2318	}
1907	}
1908		2319
1909	Coro::cede;	2320	$f->resolve_delayed_derefs;
		2321	} else {
		2322	$self->post_load_original
		2323	if delete $self->{load_original};
		2324	}
		2325
		2326	$self->state (cf::MAP_INACTIVE);
		2327
		2328	cf::cede_to_tick;
1910	# now do the right thing for maps	2329	# now do the right thing for maps
1911	$self->link_multipart_objects;	2330	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2331	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2332	unless $self->difficulty;
1914	Coro::cede;	2333	cf::cede_to_tick;
1915		2334
1916	unless ($self->{deny_activate}) {	2335	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2336	$self->decay_objects;
1918	$self->fix_auto_apply;	2337	$self->fix_auto_apply;
1919	$self->update_buttons;	2338	$self->update_buttons;
1920	Coro::cede;	2339	cf::cede_to_tick;
1921	$self->set_darkness_map;	2340	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2341	}
1925		2342
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2343	$self->{last_save} = $cf::RUNTIME;
		2344	$self->last_access ($cf::RUNTIME);
1927	}	2345	}
1928		2346
1929	$self->post_load;	2347	$self->post_load;
1930	}
1931		2348
		2349	1
		2350	}
		2351
		2352	# customize the map for a given player, i.e.
		2353	# return the _real_ map. used by e.g. per-player
		2354	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2355	sub customise_for {
1933	my ($self, $ob) = @_;	2356	my ($self, $ob) = @_;
1934		2357
1935	return find "~" . $ob->name . "/" . $self->{path}	2358	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2359	if $self->per_player;
…		…
1939	# if $self->per_party;	2362	# if $self->per_party;
1940		2363
1941	$self	2364	$self
1942	}	2365	}
1943		2366
1944	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {
1946	my ($map) = @_;
1947
1948	my @diag; # diagonal neighbours
1949
1950	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)
1952	or next;
1953	$neigh = find $neigh, $map
1954	or next;
1955	$neigh->load;
1956
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}
1960
1961	for (@diag) {
1962	my $neigh = find @$_
1963	or next;
1964	$neigh->load;
1965	}
1966	}
1967
1968	sub find_sync {	2367	sub find_sync {
1969	my ($path, $origin) = @_;	2368	my ($path, $origin) = @_;
1970		2369
1971	cf::sync_job { find $path, $origin }	2370	# it's a bug to call this from the main context
		2371	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2372	if $Coro::current == $Coro::main;
		2373
		2374	find $path, $origin
1972	}	2375	}
1973		2376
1974	sub do_load_sync {	2377	sub do_load_sync {
1975	my ($map) = @_;	2378	my ($map) = @_;
1976		2379
1977	cf::sync_job { $map->load };	2380	# it's a bug to call this from the main context
		2381	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2382	if $Coro::current == $Coro::main;
		2383
		2384	$map->load;
1978	}	2385	}
1979		2386
1980	our %MAP_PREFETCH;	2387	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2388	our $MAP_PREFETCHER = undef;
1982		2389
1983	sub find_async {	2390	sub find_async {
1984	my ($path, $origin) = @_;	2391	my ($path, $origin, $load) = @_;
1985		2392
1986	$path = normalise $path, $origin && $origin->{path};	2393	$path = normalise $path, $origin;
1987		2394
1988	if (my $map = $cf::MAP{$path}) {	2395	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2396	return $map if !$load || $map->linkable;
1990	}	2397	}
1991		2398
1992	undef $MAP_PREFETCH{$path};	2399	$MAP_PREFETCH{$path} |= $load;
		2400
1993	$MAP_PREFETCHER ||= cf::async {	2401	$MAP_PREFETCHER ||= cf::async {
		2402	$Coro::current->{desc} = "map prefetcher";
		2403
1994	while (%MAP_PREFETCH) {	2404	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2405	for my $k (keys %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2406	if (my $map = find $k) {
1997	$map->load;	2407	$map->load if $MAP_PREFETCH{$k};
1998	}	2408	}
1999		2409
2000	delete $MAP_PREFETCH{$path};	2410	delete $MAP_PREFETCH{$k};
2001	}	2411	}
2002	}	2412	}
2003	undef $MAP_PREFETCHER;	2413	undef $MAP_PREFETCHER;
2004	};	2414	};
2005	$MAP_PREFETCHER->prio (6);	2415	$MAP_PREFETCHER->prio (6);
2006		2416
2007	()	2417	()
2008	}	2418	}
2009		2419
		2420	# common code, used by both ->save and ->swapout
2010	sub save {	2421	sub _save {
2011	my ($self) = @_;	2422	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2423
2015	$self->{last_save} = $cf::RUNTIME;	2424	$self->{last_save} = $cf::RUNTIME;
2016		2425
2017	return unless $self->dirty;	2426	return unless $self->dirty;
2018		2427
…		…
2024	return if $self->{deny_save};	2433	return if $self->{deny_save};
2025		2434
2026	local $self->{last_access} = $self->last_access;#d#	2435	local $self->{last_access} = $self->last_access;#d#
2027		2436
2028	cf::async {	2437	cf::async {
		2438	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2439	$_->contr->save for $self->players;
2030	};	2440	};
		2441
		2442	cf::get_slot 0.02;
2031		2443
2032	if ($uniq) {	2444	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2445	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2446	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2447	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2448	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2449	}
2038	}	2450	}
2039		2451
		2452	sub save {
		2453	my ($self) = @_;
		2454
		2455	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2456
		2457	$self->_save;
		2458	}
		2459
2040	sub swap_out {	2460	sub swap_out {
2041	my ($self) = @_;	2461	my ($self) = @_;
2042		2462
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2463	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2464
		2465	return if !$self->linkable;
		2466	return if $self->{deny_save};
2048	return if $self->players;	2467	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		2468
		2469	# first deactivate the map and "unlink" it from the core
		2470	$self->deactivate;
		2471	$_->clear_links_to ($self) for values %cf::MAP;
		2472	$self->state (cf::MAP_SWAPPED);
		2473
		2474	# then atomically save
		2475	$self->_save;
		2476
		2477	# then free the map
2052	$self->clear;	2478	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2479	}
2055		2480
2056	sub reset_at {	2481	sub reset_at {
2057	my ($self) = @_;	2482	my ($self) = @_;
2058		2483
…		…
2076		2501
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2502	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2503
2079	return if $self->players;	2504	return if $self->players;
2080		2505
2081	warn "resetting map ", $self->path;	2506	cf::trace "resetting map ", $self->path, "\n";
2082		2507
2083	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->state (cf::MAP_SWAPPED);
2084		2509
2085	# need to save uniques path	2510	# need to save uniques path
2086	unless ($self->{deny_save}) {	2511	unless ($self->{deny_save}) {
2087	my $uniq = $self->uniq_path; utf8::encode $uniq;	2512	my $uniq = $self->uniq_path; utf8::encode $uniq;
2088		2513
…		…
2090	if $uniq;	2515	if $uniq;
2091	}	2516	}
2092		2517
2093	delete $cf::MAP{$self->path};	2518	delete $cf::MAP{$self->path};
2094		2519
		2520	$self->deactivate;
		2521	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2522	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2523
2099	$self->unlink_save;	2524	$self->unlink_save;
2100	$self->destroy;	2525	$self->destroy;
2101	}	2526	}
2102		2527
2103	my $nuke_counter = "aaaa";	2528	my $nuke_counter = "aaaa";
2104		2529
2105	sub nuke {	2530	sub nuke {
2106	my ($self) = @_;	2531	my ($self) = @_;
2107		2532
		2533	{
		2534	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2535
2108	delete $cf::MAP{$self->path};	2536	delete $cf::MAP{$self->path};
2109		2537
2110	$self->unlink_save;	2538	$self->unlink_save;
2111		2539
2112	bless $self, "cf::map";	2540	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2541	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2542	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2543	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2544	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2545
2118	$cf::MAP{$self->path} = $self;	2546	$cf::MAP{$self->path} = $self;
		2547	}
2119		2548
2120	$self->reset; # polite request, might not happen	2549	$self->reset; # polite request, might not happen
2121	}	2550	}
2122		2551
2123	=item $maps = cf::map::tmp_maps	2552	=item $maps = cf::map::tmp_maps
…		…
2165		2594
2166	sub unique_maps() {	2595	sub unique_maps() {
2167	[	2596	[
2168	map {	2597	map {
2169	utf8::decode $_;	2598	utf8::decode $_;
2170	/\.map$/	2599	s/\.map$//; # TODO future compatibility hack
		2600	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2601	? ()
2171	? normalise $_	2602	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2603	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2604	]
2175	}	2605	}
2176		2606
2177	package cf;	2607	=item cf::map::static_maps
		2608
		2609	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2610	file in the shared directory excluding F</styles> and F</editor>). May
		2611	block.
		2612
		2613	=cut
		2614
		2615	sub static_maps() {
		2616	my @dirs = "";
		2617	my @maps;
		2618
		2619	while (@dirs) {
		2620	my $dir = shift @dirs;
		2621
		2622	next if $dir eq "/styles" || $dir eq "/editor";
		2623
		2624	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2625	or return;
		2626
		2627	for (@$files) {
		2628	s/\.map$// or next;
		2629	utf8::decode $_;
		2630	push @maps, "$dir/$_";
		2631	}
		2632
		2633	push @dirs, map "$dir/$_", @$dirs;
		2634	}
		2635
		2636	\@maps
		2637	}
2178		2638
2179	=back	2639	=back
2180		2640
2181	=head3 cf::object	2641	=head3 cf::object
2182		2642
…		…
2186		2646
2187	=over 4	2647	=over 4
2188		2648
2189	=item $ob->inv_recursive	2649	=item $ob->inv_recursive
2190		2650
2191	Returns the inventory of the object _and_ their inventories, recursively.	2651	Returns the inventory of the object I<and> their inventories, recursively,
		2652	but I<not> the object itself.
2192		2653
2193	=cut	2654	=cut
2194		2655
2195	sub inv_recursive_;	2656	sub inv_recursive_;
2196	sub inv_recursive_ {	2657	sub inv_recursive_ {
…		…
2199		2660
2200	sub inv_recursive {	2661	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2662	inv_recursive_ inv $_[0]
2202	}	2663	}
2203		2664
		2665	=item $ref = $ob->ref
		2666
		2667	Creates and returns a persistent reference to an object that can be stored as a string.
		2668
		2669	=item $ob = cf::object::deref ($refstring)
		2670
		2671	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2672	even if the object actually exists. May block.
		2673
		2674	=cut
		2675
		2676	sub deref {
		2677	my ($ref) = @_;
		2678
		2679	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2680	my ($uuid, $name) = ($1, $2);
		2681	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2682	or return;
		2683	$pl->ob->uuid eq $uuid
		2684	or return;
		2685
		2686	$pl->ob
		2687	} else {
		2688	warn "$ref: cannot resolve object reference\n";
		2689	undef
		2690	}
		2691	}
		2692
2204	package cf;	2693	package cf;
2205		2694
2206	=back	2695	=back
2207		2696
2208	=head3 cf::object::player	2697	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2704	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2705	dialogue with the given NPC character.
2217		2706
2218	=cut	2707	=cut
		2708
		2709	our $SAY_CHANNEL = {
		2710	id => "say",
		2711	title => "Map",
		2712	reply => "say ",
		2713	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2714	};
		2715
		2716	our $CHAT_CHANNEL = {
		2717	id => "chat",
		2718	title => "Chat",
		2719	reply => "chat ",
		2720	tooltip => "Player chat and shouts, global to the server.",
		2721	};
2219		2722
2220	# rough implementation of a future "reply" method that works	2723	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2724	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2725	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2726	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2738	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2739	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2740
2238	} else {	2741	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2742	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2743	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2744	}
2242	}	2745	}
		2746	}
		2747
		2748	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2749
		2750	=cut
		2751
		2752	sub cf::object::send_msg {
		2753	my $pl = shift->contr
		2754	or return;
		2755	$pl->send_msg (@_);
2243	}	2756	}
2244		2757
2245	=item $player_object->may ("access")	2758	=item $player_object->may ("access")
2246		2759
2247	Returns wether the given player is authorized to access resource "access"	2760	Returns wether the given player is authorized to access resource "access"
2248	(e.g. "command_wizcast").	2761	(e.g. "command_wizcast").
2249		2762
		2763	This is implemented by checking a config setting of C<may_access> where
		2764	C<access> is replaced by the access string. The following alternatives are
		2765	possible (and are tested in order):
		2766
		2767	=over 4
		2768
		2769	=item * Player is DM
		2770
		2771	The request will succeed.
		2772
		2773	=item * may_access is an array reference
		2774
		2775	If either the player nickname or UUID is in the array, the request will
		2776	succeed, otherwise it will fail.
		2777
		2778	=item * may_access is a true value
		2779
		2780	The request will succeed.
		2781
		2782	=item * may_access is missing or false
		2783
		2784	The request will fail.
		2785
		2786	=back
		2787
2250	=cut	2788	=cut
2251		2789
2252	sub cf::object::player::may {	2790	sub cf::object::player::may {
2253	my ($self, $access) = @_;	2791	my ($self, $access) = @_;
2254		2792
2255	$self->flag (cf::FLAG_WIZ) ||	2793	$self->flag (cf::FLAG_WIZ) ||
2256	(ref $cf::CFG{"may_$access"}	2794	(ref $cf::CFG{"may_$access"}
2257	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2795	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2258	: $cf::CFG{"may_$access"})	2796	: $cf::CFG{"may_$access"})
2259	}	2797	}
2260		2798
2261	=item $player_object->enter_link	2799	=item $player_object->enter_link
2262		2800
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2801	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2802
2265	The player should be reasonably safe there for short amounts of time. You	2803	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2804	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2805	though, as the player cannot control the character while it is on the link
		2806	map.
2267		2807
2268	Will never block.	2808	This method will never block, which is the whole reaosn for it's
		2809	existance: you can I<always> put a player onto the link map, which is the
		2810	only place to put objects that is guaranteed to exist.
		2811
		2812	A typical usage pattern is to call C<enter_link> synchronously from the
		2813	server, then start a new thread, do your blocking stuff there and then
		2814	call C<leave_link> from that thread.
2269		2815
2270	=item $player_object->leave_link ($map, $x, $y)	2816	=item $player_object->leave_link ($map, $x, $y)
2271		2817
2272	Moves the player out of the special C<{link}> map onto the specified	2818	Moves the player out of the special C<{link}> map onto the specified
2273	map. If the map is not valid (or omitted), the player will be moved back	2819	map. If the map is not valid (or omitted), the player will be moved back
…		…
2291	sub cf::object::player::enter_link {	2837	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2838	my ($self) = @_;
2293		2839
2294	$self->deactivate_recursive;	2840	$self->deactivate_recursive;
2295		2841
		2842	++$self->{_link_recursion};
		2843
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2844	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2845
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2846	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2847	if $self->map && $self->map->{path} ne "{link}";
2300		2848
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2849	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2850	}
2303		2851
2304	sub cf::object::player::leave_link {	2852	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2853	my ($self, $map, $x, $y) = @_;
2306		2854
…		…
2323	($x, $y) = (-1, -1)	2871	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2872	unless (defined $x) && (defined $y);
2325		2873
2326	# use -1 or undef as default coordinates, not 0, 0	2874	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2875	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2876	if $x <= 0 && $y <= 0;
2329		2877
2330	$map->load;	2878	$map->load;
2331	$map->load_diag;
2332		2879
2333	return unless $self->contr->active;	2880	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2881
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2882	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2883	if ($self->enter_map ($map, $x, $y)) {
2338	}	2884	# entering was successful
		2885	delete $self->{_link_recursion};
		2886	# only activate afterwards, to support waiting in hooks
		2887	$self->activate_recursive;
		2888	}
2339		2889
		2890	}
		2891
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2892	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2893
2342	Moves the player to the given map-path and coordinates by first freezing	2894	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2895	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2896	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2897	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2898	be called at the end of this process.
2347		2899
		2900	Note that $check will be called with a potentially non-loaded map, so if
		2901	it needs a loaded map it has to call C<< ->load >>.
		2902
2348	=cut	2903	=cut
2349		2904
2350	our $GOTOGEN;	2905	our $GOTOGEN;
2351		2906
2352	sub cf::object::player::goto {	2907	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2908	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2909
		2910	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2911	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2912	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2913	($path, $x, $y) = @$EMERGENCY_POSITION;
		2914	}
		2915
2355	# do generation counting so two concurrent goto's will be executed in-order	2916	# do generation counting so two concurrent goto's will be executed in-order
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2917	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2918
2358	$self->enter_link;	2919	$self->enter_link;
2359		2920
2360	(async {	2921	(async {
		2922	$Coro::current->{desc} = "player::goto $path $x $y";
		2923
		2924	# *tag paths override both path and x|y
		2925	if ($path =~ /^\*(.*)$/) {
		2926	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2927	my $ob = $obs[rand @obs];
		2928
		2929	# see if we actually can go there
		2930	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2931	$ob = $obs[rand @obs];
		2932	} else {
		2933	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2934	}
		2935	# else put us there anyways for now #d#
		2936
		2937	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2938	} else {
		2939	($path, $x, $y) = (undef, undef, undef);
		2940	}
		2941	}
		2942
2361	my $map = eval {	2943	my $map = eval {
2362	my $map = cf::map::find $path;	2944	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2363		2945
2364	if ($map) {	2946	if ($map) {
2365	$map = $map->customise_for ($self);	2947	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2948	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2949	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2950	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2951	}
2370		2952
2371	$map	2953	$map
2372	};	2954	};
2373		2955
…		…
2379	if ($gen == $self->{_goto_generation}) {	2961	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2962	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2963	$self->leave_link ($map, $x, $y);
2382	}	2964	}
2383		2965
2384	$done->() if $done;	2966	$done->($self) if $done;
2385	})->prio (1);	2967	})->prio (1);
2386	}	2968	}
2387		2969
2388	=item $player_object->enter_exit ($exit_object)	2970	=item $player_object->enter_exit ($exit_object)
2389		2971
…		…
2409	}	2991	}
2410		2992
2411	sub prepare_random_map {	2993	sub prepare_random_map {
2412	my ($exit) = @_;	2994	my ($exit) = @_;
2413		2995
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2996	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2997	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2998	# that depends on the exit object
2419		2999
2420	my $rmp = parse_random_map_params $exit->msg;	3000	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	3002	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	3003	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	3004	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	3005	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	3006	$rmp->{origin_y} = $exit->y;
		3007
		3008	$exit->map->touch;
2427	}	3009	}
2428		3010
2429	$rmp->{random_seed} ||= $exit->random_seed;	3011	$rmp->{random_seed} ||= $exit->random_seed;
2430		3012
2431	my $data = cf::to_json $rmp;	3013	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	3014	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	3015	my $meta = "$RANDOMDIR/$md5.meta";
2434		3016
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3017	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	3018	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	3019	undef $fh;
2438	aio_rename "$meta~", $meta;	3020	aio_rename "$meta~", $meta;
2439		3021
		3022	my $slaying = "?random/$md5";
		3023
		3024	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	3025	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	3026	$exit->msg (undef);
		3027	}
2442	}	3028	}
2443	}	3029	}
2444		3030
2445	sub cf::object::player::enter_exit {	3031	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	3032	my ($self, $exit) = @_;
2447		3033
2448	return unless $self->type == cf::PLAYER;	3034	return unless $self->type == cf::PLAYER;
2449		3035
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	3036	$self->enter_link;
2462		3037
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	3038	(async {
2468	$self->deactivate_recursive; # just to be sure	3039	$Coro::current->{desc} = "enter_exit";
		3040
2469	unless (eval {	3041	unless (eval {
		3042	$self->deactivate_recursive; # just to be sure
		3043
		3044	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3045	my $x = $exit->stats->hp;
		3046	my $y = $exit->stats->sp;
		3047
		3048	# special map handling
		3049	my $slaying = $exit->slaying;
		3050
		3051	# special map handling
		3052	if ($slaying eq "/!") {
		3053	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3054
		3055	prepare_random_map $exit
		3056	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3057
		3058	$map = $exit->slaying;
		3059
		3060	} elsif ($slaying eq '!up') {
		3061	$map = $exit->map->tile_path (cf::TILE_UP);
		3062	$x = $exit->x;
		3063	$y = $exit->y;
		3064
		3065	} elsif ($slaying eq '!down') {
		3066	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3067	$x = $exit->x;
		3068	$y = $exit->y;
		3069	}
		3070
2470	$self->goto ($slaying, $hp, $sp);	3071	$self->goto ($map, $x, $y);
2471		3072
		3073	# if exit is damned, update players death & WoR home-position
		3074	$self->contr->savebed ($map, $x, $y)
		3075	if $exit->flag (cf::FLAG_DAMNED);
		3076
2472	1;	3077	1
2473	}) {	3078	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	3079	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	3080	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	3081	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	3082	cf::NDI_UNIQUE | cf::NDI_RED);
2478		3083
2479	warn "ERROR in enter_exit: $@";	3084	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	3085	$self->leave_link;
2481	}	3086	}
2482	})->prio (1);	3087	})->prio (1);
2483	}	3088	}
2484		3089
2485	=head3 cf::client	3090	=head3 cf::client
2486		3091
2487	=over 4	3092	=over 4
2488		3093
2489	=item $client->send_drawinfo ($text, $flags)	3094	=item $client->send_big_packet ($pkt)
2490		3095
2491	Sends a drawinfo packet to the client. Circumvents output buffering so	3096	Like C<send_packet>, but tries to compress large packets, and fragments
2492	should not be used under normal circumstances.	3097	them as required.
2493		3098
2494	=cut	3099	=cut
2495		3100
		3101	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3102
2496	sub cf::client::send_drawinfo {	3103	sub cf::client::send_big_packet {
2497	my ($self, $text, $flags) = @_;	3104	my ($self, $pkt) = @_;
2498		3105
2499	utf8::encode $text;	3106	# try lzf for large packets
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3107	$pkt = "lzf " . Compress::LZF::compress $pkt
		3108	if 1024 <= length $pkt and $self->{can_lzf};
		3109
		3110	# split very large packets
		3111	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3112	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3113	$pkt = "frag";
		3114	}
		3115
		3116	$self->send_packet ($pkt);
2501	}	3117	}
2502		3118
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	3119	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		3120
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	3121	Send a msg packet to the client, formatting the msg for the client if
2506	client if neccessary. C<$type> should be a string identifying the type of	3122	necessary. C<$type> should be a string identifying the type of the
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	3123	message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	3124	the message unless the client supports the msg packet.
2509		3125
2510	=cut	3126	=cut
		3127
		3128	# non-persistent channels (usually the info channel)
		3129	our %CHANNEL = (
		3130	"c/motd" => {
		3131	id => "infobox",
		3132	title => "MOTD",
		3133	reply => undef,
		3134	tooltip => "The message of the day",
		3135	},
		3136	"c/identify" => {
		3137	id => "infobox",
		3138	title => "Identify",
		3139	reply => undef,
		3140	tooltip => "Items recently identified",
		3141	},
		3142	"c/examine" => {
		3143	id => "infobox",
		3144	title => "Examine",
		3145	reply => undef,
		3146	tooltip => "Signs and other items you examined",
		3147	},
		3148	"c/shopinfo" => {
		3149	id => "infobox",
		3150	title => "Shop Info",
		3151	reply => undef,
		3152	tooltip => "What your bargaining skill tells you about the shop",
		3153	},
		3154	"c/book" => {
		3155	id => "infobox",
		3156	title => "Book",
		3157	reply => undef,
		3158	tooltip => "The contents of a note or book",
		3159	},
		3160	"c/lookat" => {
		3161	id => "infobox",
		3162	title => "Look",
		3163	reply => undef,
		3164	tooltip => "What you saw there",
		3165	},
		3166	"c/who" => {
		3167	id => "infobox",
		3168	title => "Players",
		3169	reply => undef,
		3170	tooltip => "Shows players who are currently online",
		3171	},
		3172	"c/body" => {
		3173	id => "infobox",
		3174	title => "Body Parts",
		3175	reply => undef,
		3176	tooltip => "Shows which body parts you possess and are available",
		3177	},
		3178	"c/statistics" => {
		3179	id => "infobox",
		3180	title => "Statistics",
		3181	reply => undef,
		3182	tooltip => "Shows your primary statistics",
		3183	},
		3184	"c/skills" => {
		3185	id => "infobox",
		3186	title => "Skills",
		3187	reply => undef,
		3188	tooltip => "Shows your experience per skill and item power",
		3189	},
		3190	"c/shopitems" => {
		3191	id => "infobox",
		3192	title => "Shop Items",
		3193	reply => undef,
		3194	tooltip => "Shows the items currently for sale in this shop",
		3195	},
		3196	"c/resistances" => {
		3197	id => "infobox",
		3198	title => "Resistances",
		3199	reply => undef,
		3200	tooltip => "Shows your resistances",
		3201	},
		3202	"c/pets" => {
		3203	id => "infobox",
		3204	title => "Pets",
		3205	reply => undef,
		3206	tooltip => "Shows information abotu your pets/a specific pet",
		3207	},
		3208	"c/perceiveself" => {
		3209	id => "infobox",
		3210	title => "Perceive Self",
		3211	reply => undef,
		3212	tooltip => "You gained detailed knowledge about yourself",
		3213	},
		3214	"c/uptime" => {
		3215	id => "infobox",
		3216	title => "Uptime",
		3217	reply => undef,
		3218	tooltip => "How long the server has been running since last restart",
		3219	},
		3220	"c/mapinfo" => {
		3221	id => "infobox",
		3222	title => "Map Info",
		3223	reply => undef,
		3224	tooltip => "Information related to the maps",
		3225	},
		3226	"c/party" => {
		3227	id => "party",
		3228	title => "Party",
		3229	reply => "gsay ",
		3230	tooltip => "Messages and chat related to your party",
		3231	},
		3232	"c/death" => {
		3233	id => "death",
		3234	title => "Death",
		3235	reply => undef,
		3236	tooltip => "Reason for and more info about your most recent death",
		3237	},
		3238	"c/fatal" => {
		3239	id => "fatal",
		3240	title => "Fatal Error",
		3241	reply => undef,
		3242	tooltip => "Reason for the server disconnect",
		3243	},
		3244	"c/say" => $SAY_CHANNEL,
		3245	"c/chat" => $CHAT_CHANNEL,
		3246	);
2511		3247
2512	sub cf::client::send_msg {	3248	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3249	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3250
2515	$msg = $self->pl->expand_cfpod ($msg);	3251	$msg = $self->pl->expand_cfpod ($msg)
		3252	unless $color & cf::NDI_VERBATIM;
2516		3253
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3254	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3255
		3256	# check predefined channels, for the benefit of C
		3257	if ($CHANNEL{$channel}) {
		3258	$channel = $CHANNEL{$channel};
		3259
		3260	$self->ext_msg (channel_info => $channel);
		3261	$channel = $channel->{id};
		3262
2519	if (ref $channel) {	3263	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3264	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3265	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3266	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	3267	$self->ext_msg (channel_info => $channel);
2524	}	3268	}
…		…
2526	$channel = $channel->{id};	3270	$channel = $channel->{id};
2527	}	3271	}
2528		3272
2529	return unless @extra || length $msg;	3273	return unless @extra || length $msg;
2530		3274
2531	if ($self->can_msg) {	3275	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3276	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3277	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3278
2544	if ($color >= 0) {	3279	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3280	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3281	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3282	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3283
2549	$self->send_packet ("drawinfo $color $msg")	3284	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3285	}
2554		3286
2555	=item $client->ext_msg ($type, @msg)	3287	=item $client->ext_msg ($type, @msg)
2556		3288
2557	Sends an ext event to the client.	3289	Sends an ext event to the client.
…		…
2559	=cut	3291	=cut
2560		3292
2561	sub cf::client::ext_msg($$@) {	3293	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3294	my ($self, $type, @msg) = @_;
2563		3295
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3296	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}
2572	}	3297	}
2573		3298
2574	=item $success = $client->query ($flags, "text", \&cb)	3299	=item $success = $client->query ($flags, "text", \&cb)
2575		3300
2576	Queues a query to the client, calling the given callback with	3301	Queues a query to the client, calling the given callback with
…		…
2596		3321
2597	$self->send_packet ($self->{query_queue}[0][0])	3322	$self->send_packet ($self->{query_queue}[0][0])
2598	if @{ $self->{query_queue} } == 1;	3323	if @{ $self->{query_queue} } == 1;
2599		3324
2600	1	3325	1
		3326	}
		3327
		3328	=item $client->update_command_faces
		3329
		3330	=cut
		3331
		3332	our %COMMAND_FACE;
		3333
		3334	sub cf::client::update_command_faces {
		3335	my ($self) = @_;
		3336
		3337	my @faces = grep $_,
		3338	$COMMAND_FACE{preferred},
		3339	$COMMAND_FACE{standard},
		3340	$COMMAND_FACE{skill},
		3341	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3342	$COMMAND_FACE{emote},
		3343	;
		3344
		3345	$self->send_face ($_)
		3346	for @faces;
		3347	$self->flush_fx;
		3348
		3349	$self->ext_msg (command_list => @faces);
		3350	}
		3351
		3352	=item cf::client::set_command_face $type, $commands
		3353
		3354	=cut
		3355
		3356	sub cf::client::set_command_face {
		3357	my ($type, $list) = @_;
		3358
		3359	my $idx = &cf::face::set ( #d# ugly forward reference
		3360	"command_list/$type" => cf::FT_RSRC,
		3361	JSON::XS->new->utf8->encode ([ sort @$list ])
		3362	);
		3363
		3364	$COMMAND_FACE{$type} = $idx;
2601	}	3365	}
2602		3366
2603	cf::client->attach (	3367	cf::client->attach (
2604	on_connect => sub {	3368	on_connect => sub {
2605	my ($ns) = @_;	3369	my ($ns) = @_;
…		…
2631	my ($ns, $buf) = @_;	3395	my ($ns, $buf) = @_;
2632		3396
2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3397	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634		3398
2635	if (ref $msg) {	3399	if (ref $msg) {
2636	my ($type, $reply, @payload) =	3400	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2637	"ARRAY" eq ref $msg
2638	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3401
2641	if (my $cb = $EXTICMD{$type}) {	3402	if (my $cb = $EXTIACMD{$type}) {
		3403	$cb->(
		3404	$ns,
		3405	sub {
		3406	$ns->ext_msg ("reply-$reply", @_)
		3407	if $reply;
		3408	},
		3409	@payload
		3410	);
		3411	} else {
		3412	my @reply;
		3413
		3414	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3415	@reply = $cb->($ns, @payload);
		3416	}
2643		3417
2644	$ns->ext_reply ($reply, @reply)	3418	$ns->ext_msg ("reply-$reply", @reply)
2645	if $reply;	3419	if $reply;
2646	}	3420	}
2647	} else {	3421	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3422	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3423	}
2650		3424
2651	cf::override;	3425	cf::override;
2652	},	3426	},
2653	);	3427	);
…		…
2673		3447
2674	$coro	3448	$coro
2675	}	3449	}
2676		3450
2677	cf::client->attach (	3451	cf::client->attach (
2678	on_destroy => sub {	3452	on_client_destroy => sub {
2679	my ($ns) = @_;	3453	my ($ns) = @_;
2680		3454
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3455	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3456	},
2683	);	3457	);
…		…
2698	our $safe = new Safe "safe";	3472	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3473	our $safe_hole = new Safe::Hole;
2700		3474
2701	$SIG{FPE} = 'IGNORE';	3475	$SIG{FPE} = 'IGNORE';
2702		3476
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3477	$safe->permit_only (Opcode::opset qw(
		3478	:base_core :base_mem :base_orig :base_math :base_loop
		3479	grepstart grepwhile mapstart mapwhile
		3480	sort time
		3481	));
2704		3482
2705	# here we export the classes and methods available to script code	3483	# here we export the classes and methods available to script code
2706		3484
2707	=pod	3485	=pod
2708		3486
2709	The following functions and methods are available within a safe environment:	3487	The following functions and methods are available within a safe environment:
2710		3488
2711	cf::object	3489	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3490	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3491	insert remove name archname title slaying race decrease split
		3492	value
2714		3493
2715	cf::object::player	3494	cf::object::player
2716	player	3495	player
2717		3496
2718	cf::player	3497	cf::player
…		…
2723		3502
2724	=cut	3503	=cut
2725		3504
2726	for (	3505	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3506	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3507	insert remove inv nrof name archname title slaying race
		3508	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3509	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3510	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3511	["cf::map" => qw(trigger)],
2732	) {	3512	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3513	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3514	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3515	for @funs;
2737	}	3516	}
2738		3517
…		…
2753		3532
2754	my $qcode = $code;	3533	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3534	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3535	$qcode =~ s/\n/\\n/g;
2757		3536
		3537	%vars = (_dummy => 0) unless %vars;
		3538
		3539	my @res;
2758	local $_;	3540	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3541
2761	my $eval =	3542	my $eval =
2762	"do {\n"	3543	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3544	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3545	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3546	. $code
2766	. "\n}"	3547	. "\n}"
2767	;	3548	;
2768		3549
		3550	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3551	sub_generation_inc;
		3552	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3553	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3554	sub_generation_inc;
		3555	} else {
		3556	local @cf::_safe_eval_args = values %vars;
		3557	@res = wantarray ? eval eval : scalar eval $eval;
		3558	}
2772		3559
2773	if ($@) {	3560	if ($@) {
2774	warn "$@";	3561	warn "$@",
2775	warn "while executing safe code '$code'\n";	3562	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3563	"with arguments " . (join " ", %vars) . "\n";
2777	}	3564	}
2778		3565
2779	wantarray ? @res : $res[0]	3566	wantarray ? @res : $res[0]
2780	}	3567	}
2781		3568
…		…
2795	=cut	3582	=cut
2796		3583
2797	sub register_script_function {	3584	sub register_script_function {
2798	my ($fun, $cb) = @_;	3585	my ($fun, $cb) = @_;
2799		3586
2800	no strict 'refs';	3587	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3588	*$fun = $safe_hole->wrap ($cb);
2802	}	3589	}
2803		3590
2804	=back	3591	=back
2805		3592
2806	=cut	3593	=cut
2807		3594
2808	#############################################################################	3595	#############################################################################
2809	# the server's init and main functions	3596	# the server's init and main functions
2810		3597
		3598	{
		3599	package cf::face;
		3600
		3601	our %HASH; # hash => idx
		3602	our @DATA; # dynamically-created facedata, only faceste 0 used
		3603	our @FOFS; # file offset, if > 0
		3604	our @SIZE; # size of face, in octets
		3605	our @META; # meta hash of face, if any
		3606	our $DATAFH; # facedata filehandle
		3607
		3608	# internal api, not finalised
		3609	sub set {
		3610	my ($name, $type, $data) = @_;
		3611
		3612	my $idx = cf::face::find $name;
		3613
		3614	if ($idx) {
		3615	delete $HASH{cf::face::get_csum $idx};
		3616	} else {
		3617	$idx = cf::face::alloc $name;
		3618	}
		3619
		3620	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3621
		3622	cf::face::set_type $idx, $type;
		3623	cf::face::set_csum $idx, 0, $hash;
		3624
		3625	# we need to destroy the SV itself, not just modify it, as a running ix
		3626	# might hold a reference to it: "delete" achieves that.
		3627	delete $FOFS[0][$idx];
		3628	delete $DATA[0][$idx];
		3629	$DATA[0][$idx] = $data;
		3630	$SIZE[0][$idx] = length $data;
		3631	delete $META[$idx];
		3632	$HASH{$hash} = $idx;#d#
		3633
		3634	$idx
		3635	}
		3636
		3637	sub _get_data($$$) {
		3638	my ($idx, $set, $cb) = @_;
		3639
		3640	if (defined $DATA[$set][$idx]) {
		3641	$cb->($DATA[$set][$idx]);
		3642	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3643	my $size = $SIZE[$set][$idx];
		3644	my $buf;
		3645	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3646	if ($_[0] == $size) {
		3647	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3648	$cb->($buf);
		3649	} else {
		3650	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3651	}
		3652	};
		3653	} else {
		3654	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3655	}
		3656	}
		3657
		3658	# rather ineffient
		3659	sub cf::face::get_data($;$) {
		3660	my ($idx, $set) = @_;
		3661
		3662	_get_data $idx, $set, Coro::rouse_cb;
		3663	Coro::rouse_wait
		3664	}
		3665
		3666	sub cf::face::ix {
		3667	my ($ns, $set, $idx, $pri) = @_;
		3668
		3669	_get_data $idx, $set, sub {
		3670	$ns->ix_send ($idx, $pri, $_[0]);
		3671	};
		3672	}
		3673	}
		3674
2811	sub load_facedata($) {	3675	sub load_facedata($) {
2812	my ($path) = @_;	3676	my ($path) = @_;
2813		3677
		3678	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3679
2814	warn "loading facedata from $path\n";	3680	trace "loading facedata from $path\n";
2815		3681
2816	my $facedata;	3682	my $facedata = decode_storable load_file "$path/faceinfo";
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3683
2822	$facedata->{version} == 2	3684	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3685	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3686
		3687	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3688	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3689
		3690	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3691
		3692	# BEGIN ATOMIC
		3693	# from here on, everything must be atomic - no thread switch allowed
		3694	my $t1 = EV::time;
2824		3695
2825	{	3696	{
2826	my $faces = $facedata->{faceinfo};	3697	my $faces = $facedata->{faceinfo};
2827		3698
2828	while (my ($face, $info) = each %$faces) {	3699	for my $face (sort keys %$faces) {
		3700	my $info = $faces->{$face};
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3701	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3702
2830	cf::face::set_visibility $idx, $info->{visibility};	3703	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3704	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3705	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3706	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2834		3707	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2835	cf::cede_to_tick;	3708	$cf::face::HASH{$info->{hash64}} = $idx;
		3709	delete $cf::face::META[$idx];
2836	}	3710	}
2837		3711
2838	while (my ($face, $info) = each %$faces) {	3712	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3713	next unless $info->{smooth};
		3714
2840	my $idx = cf::face::find $face	3715	my $idx = cf::face::find $face
2841	or next;	3716	or next;
		3717
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3718	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3719	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3720	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3721	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3722	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3723	}
2848
2849	cf::cede_to_tick;
2850	}	3724	}
2851	}	3725	}
2852		3726
2853	{	3727	{
2854	my $anims = $facedata->{animinfo};	3728	my $anims = $facedata->{animinfo};
2855		3729
2856	while (my ($anim, $info) = each %$anims) {	3730	while (my ($anim, $info) = each %$anims) {
2857	cf::anim::set $anim, $info->{frames}, $info->{facings};	3731	cf::anim::set $anim, $info->{frames}, $info->{facings};
2858	cf::cede_to_tick;
2859	}	3732	}
2860		3733
2861	cf::anim::invalidate_all; # d'oh	3734	cf::anim::invalidate_all; # d'oh
2862	}	3735	}
2863		3736
2864	{	3737	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3738	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3739
2872	while (my ($name, $info) = each %$res) {	3740	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3741	if (defined (my $type = $info->{type})) {
2874	name => $name,	3742	# TODO: different hash - must free and use new index, or cache ixface data queue
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3743	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3744
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3745	cf::face::set_type $idx, $type;
		3746	cf::face::set_csum $idx, 0, $info->{hash};
		3747	$cf::face::SIZE[0][$idx] = $info->{size};
		3748	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3749	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3750	$cf::face::HASH{$info->{hash}} = $idx;
2887	} else {	3751	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3752	# $RESOURCE{$name} = $info; # unused
2889	}	3753	}
2890
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;
2894	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	warn "$sound->[0]: $face\n";#d#
2905
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}	3754	}
2909
2910	#TODO
2911	}
2912	}	3755	}
		3756
		3757	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3758
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
		3763	# END ATOMIC
		3764
		3765	cf::debug "facedata atomic update time ", EV::time - $t1;
		3766
		3767	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3768
		3769	aio_close $fh if $fh; # close old facedata
2913		3770
2914	1	3771	1
2915	}	3772	}
2916		3773
2917	register_exticmd fx_want => sub {	3774	register_exticmd fx_want => sub {
…		…
2920	while (my ($k, $v) = each %$want) {	3777	while (my ($k, $v) = each %$want) {
2921	$ns->fx_want ($k, $v);	3778	$ns->fx_want ($k, $v);
2922	}	3779	}
2923	};	3780	};
2924		3781
		3782	sub load_resource_file($) {
		3783	my $guard = lock_acquire "load_resource_file";
		3784
		3785	my $status = load_resource_file_ $_[0];
		3786	get_slot 0.1, 100;
		3787	cf::arch::commit_load;
		3788
		3789	$status
		3790	}
		3791
		3792	sub reload_exp_table {
		3793	_reload_exp_table;
		3794
		3795	cf::face::set
		3796	"res/exp_table" => FT_RSRC,
		3797	JSON::XS->new->utf8->canonical->encode (
		3798	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3799	);
		3800	}
		3801
		3802	sub reload_materials {
		3803	_reload_materials;
		3804	}
		3805
2925	sub reload_regions {	3806	sub reload_regions {
		3807	# HACK to clear player env face cache, we need some signal framework
		3808	# for this (global event?)
		3809	%ext::player_env::MUSIC_FACE_CACHE = ();
		3810
2926	load_resource_file "$MAPDIR/regions"	3811	load_resource_file "$MAPDIR/regions"
2927	or die "unable to load regions file\n";	3812	or die "unable to load regions file\n";
2928		3813
2929	for (cf::region::list) {	3814	for (cf::region::list) {
2930	$_->{match} = qr/$_->{match}/	3815	$_->{match} = qr/$_->{match}/
2931	if exists $_->{match};	3816	if exists $_->{match};
2932	}	3817	}
2933	}	3818	}
2934		3819
2935	sub reload_facedata {	3820	sub reload_facedata {
2936	load_facedata "$DATADIR/facedata"	3821	load_facedata $DATADIR
2937	or die "unable to load facedata\n";	3822	or die "unable to load facedata\n";
2938	}	3823	}
2939		3824
2940	sub reload_archetypes {	3825	sub reload_archetypes {
2941	load_resource_file "$DATADIR/archetypes"	3826	load_resource_file "$DATADIR/archetypes"
2942	or die "unable to load archetypes\n";	3827	or die "unable to load archetypes\n";
2943	#d# NEED to laod twice to resolve forward references	3828
2944	# this really needs to be done in an extra post-pass	3829	cf::face::set
2945	# (which needs to be synchronous, so solve it differently)	3830	"res/skill_info" => FT_RSRC,
2946	load_resource_file "$DATADIR/archetypes"	3831	JSON::XS->new->utf8->canonical->encode (
2947	or die "unable to load archetypes\n";	3832	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3833	);
		3834
		3835	cf::face::set
		3836	"res/spell_paths" => FT_RSRC,
		3837	JSON::XS->new->utf8->canonical->encode (
		3838	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3839	);
		3840
		3841	# command completion
		3842	my @commands;
		3843
		3844	for (0..cf::arch::skillvec_size - 1) {
		3845	my $skill = cf::arch::skillvec $_;
		3846	my $name = $skill->name;
		3847	my $flags = cf::skill_flags $skill->subtype;
		3848
		3849	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3850	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3851	}
		3852
		3853	cf::client::set_command_face skill => \@commands;
2948	}	3854	}
2949		3855
2950	sub reload_treasures {	3856	sub reload_treasures {
2951	load_resource_file "$DATADIR/treasures"	3857	load_resource_file "$DATADIR/treasures"
2952	or die "unable to load treasurelists\n";	3858	or die "unable to load treasurelists\n";
2953	}	3859	}
2954		3860
		3861	sub reload_sound {
		3862	trace "loading sound config from $DATADIR/sound\n";
		3863
		3864	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3865
		3866	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3867	my $sound = $soundconf->{compat}[$_]
		3868	or next;
		3869
		3870	my $face = cf::face::find "sound/$sound->[1]";
		3871	cf::sound::set $sound->[0] => $face;
		3872	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3873	}
		3874
		3875	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3876	my $face = cf::face::find "sound/$v";
		3877	cf::sound::set $k => $face;
		3878	}
		3879	}
		3880
2955	sub reload_resources {	3881	sub reload_resources {
2956	warn "reloading resource files...\n";	3882	trace "reloading resource files...\n";
2957		3883
		3884	reload_materials;
		3885	reload_facedata;
		3886	reload_exp_table;
		3887	reload_sound;
		3888	reload_archetypes;
2958	reload_regions;	3889	reload_regions;
2959	reload_facedata;
2960	#reload_archetypes;#d#
2961	reload_archetypes;
2962	reload_treasures;	3890	reload_treasures;
2963		3891
2964	warn "finished reloading resource files\n";	3892	trace "finished reloading resource files\n";
2965	}	3893	}
2966		3894
2967	sub init {	3895	sub reload_config {
2968	reload_resources;	3896	trace "reloading config file...\n";
2969	}
2970		3897
2971	sub cfg_load {	3898	my $config = load_file "$CONFDIR/config";
2972	open my $fh, "<:utf8", "$CONFDIR/config"	3899	utf8::decode $config;
2973	or return;	3900	*CFG = decode_yaml $config;
2974		3901
2975	local $/;
2976	*CFG = YAML::Syck::Load <$fh>;
2977
2978	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3902	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2979		3903
2980	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3904	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2981	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3905	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2982		3906
2983	if (exists $CFG{mlockall}) {	3907	if (exists $CFG{mlockall}) {
…		…
2987	};	3911	};
2988	warn $@ if $@;	3912	warn $@ if $@;
2989	}	3913	}
2990	}	3914	}
2991		3915
		3916	sub pidfile() {
		3917	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3918	or die "$PIDFILE: $!";
		3919	flock $fh, &Fcntl::LOCK_EX
		3920	or die "$PIDFILE: flock: $!";
		3921	$fh
		3922	}
		3923
		3924	# make sure only one server instance is running at any one time
		3925	sub atomic {
		3926	my $fh = pidfile;
		3927
		3928	my $pid = <$fh>;
		3929	kill 9, $pid if $pid > 0;
		3930
		3931	seek $fh, 0, 0;
		3932	print $fh $$;
		3933	}
		3934
		3935	sub main_loop {
		3936	trace "EV::run starting\n";
		3937	if (1) {
		3938	EV::run;
		3939	}
		3940	trace "EV::run returned\n";
		3941	goto &main_loop unless $REALLY_UNLOOP;
		3942	}
		3943
2992	sub main {	3944	sub main {
		3945	cf::init_globals; # initialise logging
		3946
		3947	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3948	LOG llevInfo, "Copyright (C) 2017-2018 Marc Alexander Lehmann / the Deliantra team.";
		3949	LOG llevInfo, "Copyright (C) 2005-2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3950	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3951	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3952
		3953	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3954
2993	# we must not ever block the main coroutine	3955	# we must not ever block the main coroutine
2994	local $Coro::idle = sub {	3956	$Coro::idle = sub {
2995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3957	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2996	(async {	3958	(async {
2997	Event::one_event;	3959	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3960	EV::run EV::RUN_ONCE;
2998	})->prio (Coro::PRIO_MAX);	3961	})->prio (Coro::PRIO_MAX);
2999	};	3962	};
3000		3963
3001	cfg_load;	3964	evthread_start IO::AIO::poll_fileno;
		3965
		3966	cf::sync_job {
		3967	cf::incloader::init ();
		3968
3002	db_init;	3969	db_init;
		3970
		3971	cf::init_anim;
		3972	cf::init_attackmess;
		3973	cf::init_dynamic;
		3974
		3975	cf::load_settings;
		3976
		3977	reload_resources;
		3978	reload_config;
		3979
		3980	cf::init_uuid;
		3981	cf::init_signals;
		3982	cf::init_skills;
		3983
		3984	cf::init_beforeplay;
		3985
		3986	atomic;
		3987
3003	load_extensions;	3988	load_extensions;
3004		3989
3005	$TICK_WATCHER->start;	3990	utime time, time, $RUNTIMEFILE;
3006	Event::loop;	3991
		3992	# no (long-running) fork's whatsoever before this point(!)
		3993	use POSIX ();
		3994	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3995
		3996	cf::_post_init 0;
		3997	};
		3998
		3999	cf::object::thawer::errors_are_fatal 0;
		4000	info "parse errors in files are no longer fatal from this point on.\n";
		4001
		4002	AE::postpone {
		4003	undef &main; # free gobs of memory :)
		4004	};
		4005
		4006	goto &main_loop;
3007	}	4007	}
3008		4008
3009	#############################################################################	4009	#############################################################################
3010	# initialisation and cleanup	4010	# initialisation and cleanup
3011		4011
3012	# install some emergency cleanup handlers	4012	# install some emergency cleanup handlers
3013	BEGIN {	4013	BEGIN {
		4014	our %SIGWATCHER = ();
3014	for my $signal (qw(INT HUP TERM)) {	4015	for my $signal (qw(INT HUP TERM)) {
3015	Event->signal (	4016	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3016	reentrant => 0,
3017	data => WF_AUTOCANCEL,
3018	signal => $signal,
3019	prio => 0,
3020	cb => sub {
3021	cf::cleanup "SIG$signal";	4017	cf::cleanup "SIG$signal";
3022	},
3023	);	4018	};
3024	}	4019	}
3025	}	4020	}
3026		4021
3027	sub write_runtime {	4022	sub write_runtime_sync {
3028	my $runtime = "$LOCALDIR/runtime";	4023	my $t0 = AE::time;
3029		4024
3030	# first touch the runtime file to show we are still running:	4025	# first touch the runtime file to show we are still running:
3031	# the fsync below can take a very very long time.	4026	# the fsync below can take a very very long time.
3032		4027
3033	IO::AIO::aio_utime $runtime, undef, undef;	4028	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3034		4029
3035	my $guard = cf::lock_acquire "write_runtime";	4030	my $guard = cf::lock_acquire "write_runtime";
3036		4031
3037	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4032	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3038	or return;	4033	or return;
3039		4034
3040	my $value = $cf::RUNTIME + 90 + 10;	4035	my $value = $cf::RUNTIME + 90 + 10;
3041	# 10 is the runtime save interval, for a monotonic clock	4036	# 10 is the runtime save interval, for a monotonic clock
3042	# 60 allows for the watchdog to kill the server.	4037	# 60 allows for the watchdog to kill the server.
…		…
3052	aio_utime $fh, undef, undef;	4047	aio_utime $fh, undef, undef;
3053		4048
3054	close $fh	4049	close $fh
3055	or return;	4050	or return;
3056		4051
3057	aio_rename "$runtime~", $runtime	4052	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3058	and return;	4053	and return;
3059		4054
3060	warn "runtime file written.\n";	4055	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3061		4056
3062	1	4057	1
		4058	}
		4059
		4060	our $uuid_lock;
		4061	our $uuid_skip;
		4062
		4063	sub write_uuid_sync($) {
		4064	$uuid_skip ||= $_[0];
		4065
		4066	return if $uuid_lock;
		4067	local $uuid_lock = 1;
		4068
		4069	my $uuid = "$LOCALDIR/uuid";
		4070
		4071	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4072	or return;
		4073
		4074	my $value = uuid_seq uuid_cur;
		4075
		4076	unless ($value) {
		4077	info "cowardly refusing to write zero uuid value!\n";
		4078	return;
		4079	}
		4080
		4081	my $value = uuid_str $value + $uuid_skip;
		4082	$uuid_skip = 0;
		4083
		4084	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4085	and return;
		4086
		4087	# always fsync - this file is important
		4088	aio_fsync $fh
		4089	and return;
		4090
		4091	close $fh
		4092	or return;
		4093
		4094	aio_rename "$uuid~", $uuid
		4095	and return;
		4096
		4097	trace "uuid file written ($value).\n";
		4098
		4099	1
		4100
		4101	}
		4102
		4103	sub write_uuid($$) {
		4104	my ($skip, $sync) = @_;
		4105
		4106	$sync ? write_uuid_sync $skip
		4107	: async { write_uuid_sync $skip };
3063	}	4108	}
3064		4109
3065	sub emergency_save() {	4110	sub emergency_save() {
3066	my $freeze_guard = cf::freeze_mainloop;	4111	my $freeze_guard = cf::freeze_mainloop;
3067		4112
3068	warn "enter emergency perl save\n";	4113	info "emergency_perl_save: enter\n";
		4114
		4115	# this is a trade-off: we want to be very quick here, so
		4116	# save all maps without fsync, and later call a global sync
		4117	# (which in turn might be very very slow)
		4118	local $USE_FSYNC = 0;
3069		4119
3070	cf::sync_job {	4120	cf::sync_job {
		4121	cf::write_runtime_sync; # external watchdog should not bark
		4122
3071	# use a peculiar iteration method to avoid tripping on perl	4123	# use a peculiar iteration method to avoid tripping on perl
3072	# refcount bugs in for. also avoids problems with players	4124	# refcount bugs in for. also avoids problems with players
3073	# and maps saved/destroyed asynchronously.	4125	# and maps saved/destroyed asynchronously.
3074	warn "begin emergency player save\n";	4126	info "emergency_perl_save: begin player save\n";
3075	for my $login (keys %cf::PLAYER) {	4127	for my $login (keys %cf::PLAYER) {
3076	my $pl = $cf::PLAYER{$login} or next;	4128	my $pl = $cf::PLAYER{$login} or next;
3077	$pl->valid or next;	4129	$pl->valid or next;
		4130	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3078	$pl->save;	4131	$pl->save;
3079	}	4132	}
3080	warn "end emergency player save\n";	4133	info "emergency_perl_save: end player save\n";
3081		4134
3082	warn "begin emergency map save\n";	4135	cf::write_runtime_sync; # external watchdog should not bark
		4136
		4137	info "emergency_perl_save: begin map save\n";
3083	for my $path (keys %cf::MAP) {	4138	for my $path (keys %cf::MAP) {
3084	my $map = $cf::MAP{$path} or next;	4139	my $map = $cf::MAP{$path} or next;
3085	$map->valid or next;	4140	$map->valid or next;
3086	$map->save;	4141	$map->save;
3087	}	4142	}
3088	warn "end emergency map save\n";	4143	info "emergency_perl_save: end map save\n";
3089		4144
3090	warn "begin emergency database checkpoint\n";	4145	cf::write_runtime_sync; # external watchdog should not bark
		4146
		4147	info "emergency_perl_save: begin database checkpoint\n";
3091	BDB::db_env_txn_checkpoint $DB_ENV;	4148	BDB::db_env_txn_checkpoint $DB_ENV;
3092	warn "end emergency database checkpoint\n";	4149	info "emergency_perl_save: end database checkpoint\n";
		4150
		4151	info "emergency_perl_save: begin write uuid\n";
		4152	write_uuid_sync 1;
		4153	info "emergency_perl_save: end write uuid\n";
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
		4156
		4157	trace "emergency_perl_save: syncing database to disk";
		4158	BDB::db_env_txn_checkpoint $DB_ENV;
		4159
		4160	info "emergency_perl_save: starting sync\n";
		4161	IO::AIO::aio_sync sub {
		4162	info "emergency_perl_save: finished sync\n";
		4163	};
		4164
		4165	cf::write_runtime_sync; # external watchdog should not bark
		4166
		4167	trace "emergency_perl_save: flushing outstanding aio requests";
		4168	while (IO::AIO::nreqs || BDB::nreqs) {
		4169	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4170	}
		4171
		4172	cf::write_runtime_sync; # external watchdog should not bark
3093	};	4173	};
3094		4174
3095	warn "leave emergency perl save\n";	4175	info "emergency_perl_save: leave\n";
3096	}	4176	}
3097		4177
3098	sub post_cleanup {	4178	sub post_cleanup {
3099	my ($make_core) = @_;	4179	my ($make_core) = @_;
3100		4180
		4181	IO::AIO::flush;
		4182
3101	warn Carp::longmess "post_cleanup backtrace"	4183	error Carp::longmess "post_cleanup backtrace"
3102	if $make_core;	4184	if $make_core;
		4185
		4186	my $fh = pidfile;
		4187	unlink $PIDFILE if <$fh> == $$;
		4188	}
		4189
		4190	# a safer delete_package, copied from Symbol
		4191	sub clear_package($) {
		4192	my $pkg = shift;
		4193
		4194	# expand to full symbol table name if needed
		4195	unless ($pkg =~ /^main::.*::$/) {
		4196	$pkg = "main$pkg" if $pkg =~ /^::/;
		4197	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4198	$pkg .= '::' unless $pkg =~ /::$/;
		4199	}
		4200
		4201	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4202	my $stem_symtab = *{$stem}{HASH};
		4203
		4204	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4205	or return;
		4206
		4207	# clear all symbols
		4208	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4209	for my $name (keys %$leaf_symtab) {
		4210	_gv_clear *{"$pkg$name"};
		4211	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4212	}
3103	}	4213	}
3104		4214
3105	sub do_reload_perl() {	4215	sub do_reload_perl() {
3106	# can/must only be called in main	4216	# can/must only be called in main
3107	if ($Coro::current != $Coro::main) {	4217	unless (in_main) {
3108	warn "can only reload from main coroutine";	4218	error "can only reload from main coroutine";
3109	return;	4219	return;
3110	}	4220	}
3111		4221
3112	warn "reloading...";	4222	return if $RELOAD++;
3113		4223
3114	warn "entering sync_job";	4224	my $t1 = AE::time;
3115		4225
		4226	while ($RELOAD) {
		4227	cf::get_slot 0.1, -1, "reload_perl";
		4228	info "perl_reload: reloading...";
		4229
		4230	trace "perl_reload: entering sync_job";
		4231
3116	cf::sync_job {	4232	cf::sync_job {
3117	cf::write_runtime; # external watchdog should not bark
3118	cf::emergency_save;	4233	#cf::emergency_save;
3119	cf::write_runtime; # external watchdog should not bark
3120		4234
3121	warn "syncing database to disk";
3122	BDB::db_env_txn_checkpoint $DB_ENV;
3123
3124	# if anything goes wrong in here, we should simply crash as we already saved
3125
3126	warn "cancelling all WF_AUTOCANCEL watchers";
3127	for (Event::all_watchers) {
3128	$_->cancel if $_->data & WF_AUTOCANCEL;
3129	}
3130
3131	warn "flushing outstanding aio requests";
3132	for (;;) {
3133	BDB::flush;
3134	IO::AIO::flush;
3135	Coro::cede;
3136	last unless IO::AIO::nreqs || BDB::nreqs;
3137	warn "iterate...";
3138	}
3139
3140	++$RELOAD;
3141
3142	warn "cancelling all extension coros";	4235	trace "perl_reload: cancelling all extension coros";
3143	$_->cancel for values %EXT_CORO;	4236	$_->cancel for values %EXT_CORO;
3144	%EXT_CORO = ();	4237	%EXT_CORO = ();
3145		4238
3146	warn "removing commands";	4239	trace "perl_reload: removing commands";
3147	%COMMAND = ();	4240	%COMMAND = ();
3148		4241
3149	warn "removing ext/exti commands";	4242	trace "perl_reload: removing ext/exti commands";
3150	%EXTCMD = ();	4243	%EXTCMD = ();
3151	%EXTICMD = ();	4244	%EXTICMD = ();
3152		4245
3153	warn "unloading/nuking all extensions";	4246	trace "perl_reload: unloading/nuking all extensions";
3154	for my $pkg (@EXTS) {	4247	for my $pkg (@EXTS) {
3155	warn "... unloading $pkg";	4248	trace "... unloading $pkg";
3156		4249
3157	if (my $cb = $pkg->can ("unload")) {	4250	if (my $cb = $pkg->can ("unload")) {
3158	eval {	4251	eval {
3159	$cb->($pkg);	4252	$cb->($pkg);
3160	1	4253	1
3161	} or warn "$pkg unloaded, but with errors: $@";	4254	} or error "$pkg unloaded, but with errors: $@";
		4255	}
		4256
		4257	trace "... clearing $pkg";
		4258	clear_package $pkg;
3162	}	4259	}
3163		4260
3164	warn "... nuking $pkg";
3165	Symbol::delete_package $pkg;
3166	}
3167
3168	warn "unloading all perl modules loaded from $LIBDIR";	4261	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3169	while (my ($k, $v) = each %INC) {	4262	while (my ($k, $v) = each %INC) {
3170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3171		4264
3172	warn "... unloading $k";	4265	trace "... unloading $k";
3173	delete $INC{$k};	4266	delete $INC{$k};
3174		4267
3175	$k =~ s/\.pm$//;	4268	$k =~ s/\.pm$//;
3176	$k =~ s/\//::/g;	4269	$k =~ s/\//::/g;
3177		4270
3178	if (my $cb = $k->can ("unload_module")) {	4271	if (my $cb = $k->can ("unload_module")) {
3179	$cb->();	4272	$cb->();
		4273	}
		4274
		4275	clear_package $k;
3180	}	4276	}
3181		4277
3182	Symbol::delete_package $k;
3183	}
3184
3185	warn "getting rid of safe::, as good as possible";	4278	trace "perl_reload: getting rid of safe::, as good as possible";
3186	Symbol::delete_package "safe::$_"	4279	clear_package "safe::$_"
3187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4280	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3188		4281
3189	warn "unloading cf.pm \"a bit\"";	4282	trace "perl_reload: unloading cf.pm \"a bit\"";
3190	delete $INC{"cf.pm"};	4283	delete $INC{"cf.pm"};
3191	delete $INC{"cf/pod.pm"};	4284	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3192		4285
3193	# don't, removes xs symbols, too,	4286	# don't, removes xs symbols, too,
3194	# and global variables created in xs	4287	# and global variables created in xs
3195	#Symbol::delete_package __PACKAGE__;	4288	#clear_package __PACKAGE__;
3196		4289
3197	warn "unload completed, starting to reload now";	4290	info "perl_reload: unload completed, starting to reload now";
3198		4291
3199	warn "reloading cf.pm";	4292	trace "perl_reload: reloading cf.pm";
3200	require cf;	4293	require cf;
3201	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4294	cf::_connect_to_perl_1;
3202		4295
3203	warn "loading config and database again";	4296	trace "perl_reload: loading config and database again";
3204	cf::cfg_load;	4297	cf::reload_config;
3205		4298
3206	warn "loading extensions";	4299	trace "perl_reload: loading extensions";
3207	cf::load_extensions;	4300	cf::load_extensions;
3208		4301
		4302	if ($REATTACH_ON_RELOAD) {
3209	warn "reattaching attachments to objects/players";	4303	trace "perl_reload: reattaching attachments to objects/players";
3210	_global_reattach; # objects, sockets	4304	_global_reattach; # objects, sockets
3211	warn "reattaching attachments to maps";	4305	trace "perl_reload: reattaching attachments to maps";
3212	reattach $_ for values %MAP;	4306	reattach $_ for values %MAP;
3213	warn "reattaching attachments to players";	4307	trace "perl_reload: reattaching attachments to players";
3214	reattach $_ for values %PLAYER;	4308	reattach $_ for values %PLAYER;
		4309	}
3215		4310
3216	warn "leaving sync_job";	4311	cf::_post_init 1;
3217		4312
		4313	trace "perl_reload: leaving sync_job";
		4314
3218	1	4315	1
3219	} or do {	4316	} or do {
3220	warn $@;	4317	error $@;
3221	warn "error while reloading, exiting.";	4318	cf::cleanup "perl_reload: error, exiting.";
3222	exit 1;	4319	};
		4320
		4321	--$RELOAD;
3223	};	4322	}
3224		4323
3225	warn "reloaded";	4324	$t1 = AE::time - $t1;
		4325	info "perl_reload: completed in ${t1}s\n";
3226	};	4326	};
3227		4327
3228	our $RELOAD_WATCHER; # used only during reload	4328	our $RELOAD_WATCHER; # used only during reload
3229		4329
3230	sub reload_perl() {	4330	sub reload_perl() {
3231	# doing reload synchronously and two reloads happen back-to-back,	4331	# doing reload synchronously and two reloads happen back-to-back,
3232	# coro crashes during coro_state_free->destroy here.	4332	# coro crashes during coro_state_free->destroy here.
3233		4333
3234	$RELOAD_WATCHER ||= Event->timer (	4334	$RELOAD_WATCHER ||= cf::async {
3235	reentrant => 0,	4335	Coro::AIO::aio_wait cache_extensions;
3236	after => 0,	4336
3237	data => WF_AUTOCANCEL,	4337	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3238	cb => sub {
3239	do_reload_perl;	4338	do_reload_perl;
3240	undef $RELOAD_WATCHER;	4339	undef $RELOAD_WATCHER;
3241	},	4340	};
3242	);	4341	};
3243	}	4342	}
3244		4343
3245	register_command "reload" => sub {	4344	register_command "reload" => sub {
3246	my ($who, $arg) = @_;	4345	my ($who, $arg) = @_;
3247		4346
3248	if ($who->flag (FLAG_WIZ)) {	4347	if ($who->flag (FLAG_WIZ)) {
3249	$who->message ("reloading server.");	4348	$who->message ("reloading server.");
		4349	async {
		4350	$Coro::current->{desc} = "perl_reload";
3250	async { reload_perl };	4351	reload_perl;
		4352	};
3251	}	4353	}
3252	};	4354	};
3253		4355
3254	unshift @INC, $LIBDIR;	4356	#############################################################################
3255		4357
3256	my $bug_warning = 0;	4358	my $bug_warning = 0;
3257		4359
3258	our @WAIT_FOR_TICK;
3259	our @WAIT_FOR_TICK_BEGIN;
3260
3261	sub wait_for_tick {	4360	sub wait_for_tick() {
3262	return unless $TICK_WATCHER->is_active;	4361	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3263	return if $Coro::current == $Coro::main;
3264		4362
3265	my $signal = new Coro::Signal;	4363	$WAIT_FOR_TICK->wait;
3266	push @WAIT_FOR_TICK, $signal;
3267	$signal->wait;
3268	}	4364	}
3269		4365
3270	sub wait_for_tick_begin {	4366	sub wait_for_tick_begin() {
3271	return unless $TICK_WATCHER->is_active;	4367	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3272	return if $Coro::current == $Coro::main;
3273		4368
3274	my $signal = new Coro::Signal;	4369	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK_BEGIN, $signal;	4370	push @WAIT_FOR_TICK_BEGIN, $signal;
3276	$signal->wait;	4371	$signal->wait;
3277	}	4372	}
3278		4373
3279	my $min = 1e6;#d#	4374	sub tick {
3280	my $avg = 10;
3281	$TICK_WATCHER = Event->timer (
3282	reentrant => 0,
3283	parked => 1,
3284	prio => 0,
3285	at => $NEXT_TICK || $TICK,
3286	data => WF_AUTOCANCEL,
3287	cb => sub {
3288	if ($Coro::current != $Coro::main) {	4375	if ($Coro::current != $Coro::main) {
3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4376	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3290	unless ++$bug_warning > 10;	4377	unless ++$bug_warning > 10;
3291	return;	4378	return;
3292	}	4379	}
3293		4380
3294	$NOW = $tick_start = Event::time;	4381	cf::one_tick; # one server iteration
3295		4382
3296	cf::server_tick; # one server iteration	4383	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3297		4384
3298	0 && sync_job {#d#	4385	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3299	for(1..10) {	4386	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3300	my $t = Event::time;	4387	Coro::async_pool {
3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4388	$Coro::current->{desc} = "runtime saver";
3302	or die;	4389	write_runtime_sync
3303		4390	or error "ERROR: unable to write runtime file: $!";
3304	$map->width (50);
3305	$map->height (50);
3306	$map->alloc;
3307	$map->_load_objects ("/tmp/x.map", 1);
3308	my $t = Event::time - $t;
3309
3310	#next unless $t < 0.0013;#d#
3311	if ($t < $min) {
3312	$min = $t;
3313	}
3314	$avg = $avg * 0.99 + $t * 0.01;
3315	}
3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317	exit 0;
3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319	};	4391	};
		4392	}
3320		4393
3321	$RUNTIME += $TICK;
3322	$NEXT_TICK += $TICK;
3323
3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
3326	Coro::async_pool {
3327	write_runtime
3328	or warn "ERROR: unable to write runtime file: $!";
3329	};
3330	}
3331
3332	# my $AFTER = Event::time;
3333	# warn $AFTER - $NOW;#d#
3334
3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336	$sig->send;	4395	$sig->send;
3337	}	4396	}
3338	while (my $sig = shift @WAIT_FOR_TICK) {	4397	$WAIT_FOR_TICK->broadcast;
3339	$sig->send;
3340	}
3341		4398
3342	$NOW = Event::time;	4399	$LOAD = ($NOW - $TICK_START) / $TICK;
3343
3344	# if we are delayed by four ticks or more, skip them all
3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3346
3347	$TICK_WATCHER->at ($NEXT_TICK);
3348	$TICK_WATCHER->start;
3349
3350	$LOAD = ($NOW - $tick_start) / $TICK;
3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4400	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352		4401
3353	_post_tick;	4402	if (0) {
3354		4403	if ($NEXT_TICK) {
3355		4404	my $jitter = $TICK_START - $NEXT_TICK;
		4405	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4406	debug "jitter $JITTER\n";#d#
		4407	}
3356	},	4408	}
3357	);	4409	}
3358		4410
3359	{	4411	{
3360	BDB::max_poll_time $TICK * 0.1;	4412	# configure BDB
3361	$BDB_POLL_WATCHER = Event->io (	4413	info "initialising database";
3362	reentrant => 0,	4414
3363	fd => BDB::poll_fileno,
3364	poll => 'r',
3365	prio => 0,
3366	data => WF_AUTOCANCEL,
3367	cb => \&BDB::poll_cb,
3368	);
3369	BDB::min_parallel 8;	4415	BDB::min_parallel 16;
3370		4416	BDB::max_poll_reqs $TICK * 0.1;
3371	BDB::set_sync_prepare {	4417	#$AnyEvent::BDB::WATCHER->priority (1);
3372	my $status;
3373	my $current = $Coro::current;
3374	(
3375	sub {
3376	$status = $!;
3377	$current->ready; undef $current;
3378	},
3379	sub {
3380	Coro::schedule while defined $current;
3381	$! = $status;
3382	},
3383	)
3384	};
3385		4418
3386	unless ($DB_ENV) {	4419	unless ($DB_ENV) {
3387	$DB_ENV = BDB::db_env_create;	4420	$DB_ENV = BDB::db_env_create;
		4421	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4422	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4423	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4424	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4425	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3388		4426
3389	cf::sync_job {	4427	cf::sync_job {
3390	eval {	4428	eval {
3391	BDB::db_env_open	4429	BDB::db_env_open
3392	$DB_ENV,	4430	$DB_ENV,
…		…
3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3396	0666;	4434	0666;
3397		4435
3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3399
3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3401	$DB_ENV->set_lk_detect;
3402	};	4437	};
3403		4438
3404	cf::cleanup "db_env_open(db): $@" if $@;	4439	cf::cleanup "db_env_open(db): $@" if $@;
3405	};	4440	};
3406	}	4441	}
		4442
		4443	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4444	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4445	};
		4446	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4447	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4448	};
		4449	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4450	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4451	};
		4452
		4453	info "database initialised";
3407	}	4454	}
3408		4455
3409	{	4456	{
		4457	# configure IO::AIO
		4458
		4459	info "initialising aio";
3410	IO::AIO::min_parallel 8;	4460	IO::AIO::min_parallel 8;
3411
3412	undef $Coro::AIO::WATCHER;
3413	IO::AIO::max_poll_time $TICK * 0.1;	4461	IO::AIO::max_poll_time $TICK * 0.1;
3414	$AIO_POLL_WATCHER = Event->io (	4462	undef $AnyEvent::AIO::WATCHER;
3415	reentrant => 0,	4463	info "aio initialised";
3416	data => WF_AUTOCANCEL,
3417	fd => IO::AIO::poll_fileno,
3418	poll => 'r',
3419	prio => 6,
3420	cb => \&IO::AIO::poll_cb,
3421	);
3422	}	4464	}
3423		4465
3424	my $_log_backtrace;	4466	our $_log_backtrace;
		4467	our $_log_backtrace_last;
3425		4468
3426	sub _log_backtrace {	4469	sub _log_backtrace {
3427	my ($msg, @addr) = @_;	4470	my ($msg, @addr) = @_;
3428		4471
3429	$msg =~ s/\n//;	4472	$msg =~ s/\n$//;
3430		4473
		4474	if ($_log_backtrace_last eq $msg) {
		4475	LOG llevInfo, "[ABT] $msg\n";
		4476	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3431	# limit the # of concurrent backtraces	4477	# limit the # of concurrent backtraces
3432	if ($_log_backtrace < 2) {	4478	} elsif ($_log_backtrace < 2) {
		4479	$_log_backtrace_last = $msg;
3433	++$_log_backtrace;	4480	++$_log_backtrace;
		4481	my $perl_bt = Carp::longmess $msg;
3434	async {	4482	async {
		4483	$Coro::current->{desc} = "abt $msg";
		4484
3435	my @bt = fork_call {	4485	my @bt = fork_call {
3436	@addr = map { sprintf "%x", $_ } @addr;	4486	@addr = map { sprintf "%x", $_ } @addr;
3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4487	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4488	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439	or die "addr2line: $!";	4489	or die "addr2line: $!";
…		…
3447	}	4497	}
3448		4498
3449	@funcs	4499	@funcs
3450	};	4500	};
3451		4501
3452	LOG llevInfo, "[ABT] $msg\n";	4502	LOG llevInfo, "[ABT] $perl_bt\n";
		4503	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3453	LOG llevInfo, "[ABT] $_\n" for @bt;	4504	LOG llevInfo, "[ABT] $_\n" for @bt;
3454	--$_log_backtrace;	4505	--$_log_backtrace;
3455	};	4506	};
3456	} else {	4507	} else {
3457	LOG llevInfo, "[ABT] $msg\n";	4508	LOG llevInfo, "[ABT] $msg\n";
3458	LOG llevInfo, "[ABT] [suppressed]\n";	4509	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3459	}	4510	}
3460	}	4511	}
3461		4512
3462	# load additional modules	4513	# load additional modules
3463	use cf::pod;	4514	require "cf/$_.pm" for @EXTRA_MODULES;
		4515	cf::_connect_to_perl_2;
3464		4516
3465	END { cf::emergency_save }	4517	END { cf::emergency_save }
3466		4518
3467	1	4519	1
3468		4520

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