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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.592 by root, Fri Nov 9 00:11:49 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.32 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
18	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
23	use Coro::BDB;	52	use Coro::BDB 1.6;
24	use Coro::Storable;	53	use Coro::Storable;
25	use Coro::Util ();	54	use Coro::Util ();
26		55
		56	use Guard ();
27	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
28	use BDB ();	58	use BDB ();
29	use Data::Dumper;	59	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	60	use Fcntl;
32	use YAML ();	61	use YAML::XS ();
33	use IO::AIO 2.51 ();	62	use IO::AIO ();
34	use Time::HiRes;	63	use Time::HiRes;
35	use Compress::LZF;	64	use Compress::LZF;
36	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
37		68
38	# configure various modules to our taste	69	# configure various modules to our taste
39	#	70	#
40	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		79
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		82
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
47		86
48	our %COMMAND = ();	87	our %COMMAND = ();
49	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
50		89
51	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	91	our %EXTCMD = ();
53	our %EXTICMD = ();	92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
72		124
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	127	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		129
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	133	our $DB_ENV;
85		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
86	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		139
88	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
90	our $NOW;	143	our $NOW;
91		144
92	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		151
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
102		164
103	binmode STDOUT;	165	binmode STDOUT;
104	binmode STDERR;	166	binmode STDERR;
105		167
106	# read virtual server time, if available	168	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
111	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
112		176
113	mkdir $_	177	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		179
116	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
117		181
118	sub cf::map::normalise;	182	sub cf::map::normalise;
119		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
120	#############################################################################	188	#############################################################################
121		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
122	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
123		202
124	=over 4	203	=over 4
125		204
126	=item $cf::UPTIME	205	=item $cf::UPTIME
127		206
128	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
129		223
130	=item $cf::RUNTIME	224	=item $cf::RUNTIME
131		225
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	227	every server tick.
134		228
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		232
139	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
142	database environment.	236	database environment.
143		237
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	238	=item $cf::LOADAVG
153		239
154	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	251	from wherever your confdir points to.
166		252
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		254
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
173	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
174		277
175	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	280	that call.
178		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
179	=back	288	=back
180		289
181	=cut	290	=cut
182		291
183	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	299	my $msg = join "", @_;
186		300
187	$msg .= "\n"	301	$msg .= "\n"
188	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
189		303
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		305
192	LOG llevError, $msg;	306	LOG llevWarn, $msg;
193	};	307	};
194	}
195		308
196	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
197	warn Carp::longmess $_[0];	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
198	Coro::terminate;	320	Coro::terminate
199	};	321	};
200		322
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	333	for my $pkg (qw(
212	cf::global cf::attachable	334	cf::global cf::attachable
213	cf::object cf::object::player	335	cf::object cf::object::player
214	cf::client cf::player	336	cf::client cf::player
215	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
216	cf::map cf::party cf::region	339	cf::party cf::region
217	)) {	340	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	342	}
221		343
222	$EV::DIED = sub {	344	$EV::DIED = sub {
223	warn "error in event callback: @_";	345	warn "error in event callback: $@";
224	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
225		352
226	#############################################################################	353	#############################################################################
227		354
228	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
229		356
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	378	$d
252	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
253	}	380	}
254		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
255	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
256		435
257	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
258		437
259	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		445
267	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
269		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
270	=item cf::lock_wait $string	511	=item cf::lock_wait $string
271		512
272	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
273		514
274	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
275		516
276	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
279	returned.	520	returned.
280		521
281	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	523	deadlocked coro.
…		…
288		529
289	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
290		531
291	=cut	532	=cut
292		533
293	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		535
296	sub lock_wait($) {	536	sub lock_wait($) {
297	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	538	}
310		539
311	sub lock_acquire($) {	540	sub lock_acquire($) {
312	my ($key) = @_;	541	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	542	}
326		543
327	sub lock_active($) {	544	sub lock_active($) {
328	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	546	}
332		547
333	sub freeze_mainloop {	548	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
335		550
336	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	552	}
342		553
343	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
344		555
345	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
346	get spread over timer.	557	get spread over time.
347		558
348	=cut	559	=cut
349		560
350	sub periodic($$) {	561	sub periodic($$) {
351	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
356	}	567	}
357		568
358	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
359		570
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
363		578
364	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
365	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
366		581
367	Useful for short background jobs.	582	Useful for short background jobs.
368		583
369	=cut	584	=cut
370		585
371	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
373		589
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
377		593
378	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
379		596
380	while () {	597	while () {
381	next_job:	598	next_job:
		599
382	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	601
384	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	606	$job->[2]->send;
388	Coro::cede;	607	Coro::cede;
389	goto next_job;	608	goto next_job;
390	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	611	}
392	}	612	}
393		613
394	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
395	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
396	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
397	$signal->wait;
398	} else {	617	} else {
		618	$busy = 0;
399	Coro::schedule;	619	Coro::schedule;
400	}	620	}
401	}	621	}
402	};	622	};
403		623
404	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
405	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
406		628
407	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
408	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
409		632
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
438	=cut	661	=cut
439		662
440	sub sync_job(&) {	663	sub sync_job(&) {
441	my ($job) = @_;	664	my ($job) = @_;
442		665
443	if ($Coro::current == $Coro::main) {	666	if (in_main) {
444	my $time = EV::time;	667	my $time = AE::time;
445		668
446	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
448		671
449	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
450		673
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
454		675
455	my $busy = 1;	676	my $busy = 1;
456	my @res;	677	my @res;
457		678
458	(async {	679	(async {
459	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	681	@res = eval { $job->() };
461	warn $@ if $@;	682	error $@ if $@;
462	undef $busy;	683	undef $busy;
463	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
464		685
465	while ($busy) {	686	while ($busy) {
466	if (Coro::nready) {	687	if (Coro::nready) {
…		…
468	} else {	689	} else {
469	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
470	}	691	}
471	}	692	}
472		693
473	$time = EV::time - $time;	694	my $time = AE::time - $time;
474		695
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
479		697
480	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
481	} else {	699	} else {
482	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
483		701
…		…
503	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
504		722
505	$coro	723	$coro
506	}	724	}
507		725
508	=item fork_call { }, $args	726	=item fork_call { }, @args
509		727
510	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
511	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
512	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
513	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
514		732
515	=cut	733	=cut
516		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
517	sub fork_call(&@) {	739	sub fork_call(&@) {
518	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
519		741
520	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
521	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
523		745
524	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
525	reset_signals;	747	cf::post_fork;
526	&$cb	748	&$cb
527	}, @args;	749	} @args;
528		750
529	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
530	}	790	}
531		791
532	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
533		793
534	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
544	within each server.	804	within each server.
545		805
546	=cut	806	=cut
547		807
548	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
549	my ($name) = @_;	812	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
551		814
552	eval {	815	eval {
553	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
563	}	826	}
564		827
565	our $DB;	828	our $DB;
566		829
567	sub db_init {	830	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	831	$DB ||= db_table "db";
570	};
571	}	832	}
572		833
573	sub db_get($$) {	834	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
575		836
576	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
577	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
578		841
579	$! ? ()	842	$! ? ()
580	: $data	843	: $data
581	}
582	}	844	}
583		845
584	sub db_put($$$) {	846	sub db_put($$$) {
585	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		876
615	my @data;	877	my @data;
616	my $md5;	878	my $md5;
617		879
618	for (0 .. $#$src) {	880	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	882	}
622		883
623	# if processing is expensive, check	884	# if processing is expensive, check
624	# checksum first	885	# checksum first
625	if (1) {	886	if (1) {
…		…
642		903
643	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
644	my $data = $process->(\@data);	905	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
646		907
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		909
649	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
652		913
…		…
662		923
663	=cut	924	=cut
664		925
665	sub datalog($@) {	926	sub datalog($@) {
666	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	929	}
669		930
670	=back	931	=back
671		932
672	=cut	933	=cut
673		934
674	#############################################################################	935	#############################################################################
675		936
676	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
677		938
678	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
681		942
682	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
734		995
735	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
737		998
738	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
740		1001
741	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
742		1003
743	=over 4	1004	=over 4
…		…
867		1128
868	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1131
871	} elsif (ref $type) {	1132	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
873		1134
874	} else {	1135	} else {
875	shift @arg;	1136	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
877	}	1138	}
878	}	1139	}
879	}	1140	}
880		1141
881	sub _object_attach {	1142	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
892	}	1153	}
893		1154
894	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
895	} else {	1156	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1158	}
898		1159
899	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
900	}	1161	}
901		1162
…		…
960		1221
961	for (@$callbacks) {	1222	for (@$callbacks) {
962	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
963		1224
964	if ($@) {	1225	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1227	override;
968	}	1228	}
969		1229
970	return 1 if $override;	1230	return 1 if $override;
971	}	1231	}
…		…
1034		1294
1035	sub reattach {	1295	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1297	my ($obj) = @_;
1038		1298
		1299	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1301
1041	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1042		1303
1043	@$registry = ();	1304	@$registry = ();
1044		1305
…		…
1049	for (@$attach) {	1310	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1052	}	1313	}
1053	} else {	1314	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1316	}
1056	}	1317	}
1057	}	1318	}
1058		1319
1059	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1087		1348
1088	sync_job {	1349	sync_job {
1089	if (length $$rdata) {	1350	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1093		1355
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1098	close $fh;	1363	aio_close $fh;
1099		1364
1100	if (@$objs) {	1365	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1106	close $fh;	1374	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1376	}
1109	} else {	1377	} else {
1110	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1111	}	1379	}
1112		1380
1113	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1385	} else {
1115	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1116	}	1387	}
1117	} else {	1388	} else {
1118	aio_unlink $filename;	1389	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1120	}	1391	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1416	$av = $st->{objs};
1146	}	1417	}
1147		1418
1148	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1151		1423
1152	($data, $av)	1424	($data, $av)
1153	}	1425	}
1154		1426
1155	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1211	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1212		1484
1213	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1214	}	1486	}
1215		1487
		1488	use File::Glob ();
		1489
1216	cf::player->attach (	1490	cf::player->attach (
1217	on_command => sub {	1491	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1219		1493
1220	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1221	or return;	1495	or return;
1222		1496
…		…
1230	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1231		1505
1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1233		1507
1234	if (ref $msg) {	1508	if (ref $msg) {
1235	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1236	"ARRAY" eq ref $msg
1237	? @$msg
1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239		1510
1240	my @reply;	1511	my @reply;
1241		1512
1242	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1243	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1245		1516
1246	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1247	if $reply;	1518	if $reply;
1248		1519
1249	} else {	1520	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1522	}
1252		1523
1253	cf::override;	1524	cf::override;
1254	},	1525	},
1255	);	1526	);
1256		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1257	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1258	cf::sync_job {	1557	cf::sync_job {
1259	my %todo;	1558	my %todo;
1260		1559
1261	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1561	next unless -r $path;
…		…
1280		1579
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1582
1284	$ext{source} =	1583	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1287	. $source	1586	. $source
1288	. "\n};\n1";	1587	. "\n};\n1";
1289		1588
1290	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1291	}	1590	}
1292		1591
		1592	my $pass = 0;
1293	my %done;	1593	my %done;
1294	while (%todo) {	1594	while (%todo) {
1295	my $progress;	1595	my $progress;
1296		1596
		1597	++$pass;
		1598
		1599	ext:
1297	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1602	next ext
1300	unless exists $done{$_};	1603	unless exists $done{$_};
1301	}	1604	}
1302		1605
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1607
1305	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1310	warn $msg;	1624
1311	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1626	delete $todo{$k};
1313	}	1627	} else {
1314		1628	$done{$k} = delete $todo{$k};
1315	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1316	}	1634	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1635	}
1322		1636
1323	skip:	1637	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1326	}	1647	}
1327	};	1648	};
1328	}	1649	}
1329		1650
1330	#############################################################################	1651	#############################################################################
1331		1652
1332	=back	1653	=back
1333		1654
1334	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1335		1656
1336	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1337		1658
1338	=cut	1659	=cut
1339		1660
1340	package cf::player;	1661	package cf::player;
1341		1662
…		…
1384		1705
1385	sub exists($) {	1706	sub exists($) {
1386	my ($login) = @_;	1707	my ($login) = @_;
1387		1708
1388	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1390	}	1711	}
1391		1712
1392	sub find($) {	1713	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1715	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1728	or return;
1408		1729
1409	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1410	or return;	1731	or return;
		1732
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1414	}	1736	}
1415	}	1737	}
1416	}	1738	}
1417		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1418	sub save($) {	1753	sub save($) {
1419	my ($pl) = @_;	1754	my ($pl) = @_;
1420		1755
1421	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1422		1757
…		…
1425		1760
1426	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1427		1762
1428	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1430		1770
1431	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1772	cf::cede_to_tick;
1433	}	1773	}
1434		1774
…		…
1466	my ($pl) = @_;	1806	my ($pl) = @_;
1467		1807
1468	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1469		1809
1470	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1812
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1476	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1477		1821
1478	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1518		1862
1519	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1520	my $path = path $login;	1864	my $path = path $login;
1521		1865
1522	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1872	}
1528		1873
…		…
1532		1877
1533	\@logins	1878	\@logins
1534	}	1879	}
1535		1880
1536	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1537		1884
1538	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1539	player. May block.	1886	player. May block.
1540		1887
1541	=cut	1888	=cut
…		…
1559	}	1906	}
1560		1907
1561	\@paths	1908	\@paths
1562	}	1909	}
1563		1910
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1912
1566	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1914
1657	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1658		1916
1659	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1660		1918
…		…
1692		1950
1693	=cut	1951	=cut
1694		1952
1695	sub find_by_path($) {	1953	sub find_by_path($) {
1696	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1697		1957
1698	my ($match, $specificity);	1958	my ($match, $specificity);
1699		1959
1700	for my $region (list) {	1960	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1729		1989
1730	sub generate_random_map {	1990	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1733	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	1996	}
1747		1997
1748	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1749		1999
1750	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1755		2005
1756	sub register {	2006	sub register {
1757	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2008	my $pkg = caller;
1759		2009
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2011
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2013	}
1765		2014
1766	# also paths starting with '/'	2015	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2017
1769	sub thawer_merge {	2018	sub thawer_merge {
1770	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1771		2020
1772	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1777	}	2026	}
1778		2027
1779	sub normalise {	2028	sub normalise {
1780	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1781		2030
1782	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1783		2032
1784	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1785		2034
1786	# map plan:	2035	# map plan:
1787	#	2036	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2052	$path = "$base/$path";
1804	}	2053	}
1805		2054
1806	for ($path) {	2055	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1810	}	2058	}
1811		2059
1812	$path	2060	$path
…		…
1826	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1827	return $self;	2075	return $self;
1828	}	2076	}
1829	}	2077	}
1830		2078
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2080	()
1833	}	2081	}
1834		2082
		2083	# may re-bless or do other evil things
1835	sub init {	2084	sub init {
1836	my ($self) = @_;	2085	my ($self) = @_;
1837		2086
1838	$self	2087	$self
1839	}	2088	}
…		…
1858		2107
1859	# the temporary/swap location	2108	# the temporary/swap location
1860	sub save_path {	2109	sub save_path {
1861	my ($self) = @_;	2110	my ($self) = @_;
1862		2111
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1865	}	2114	}
1866		2115
1867	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1868	sub uniq_path {	2117	sub uniq_path {
1869	my ($self) = @_;	2118	my ($self) = @_;
1870		2119
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2122	}
1883		2123
1884	sub decay_objects {	2124	sub decay_objects {
1885	my ($self) = @_;	2125	my ($self) = @_;
1886		2126
…		…
1913	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1914		2154
1915	1	2155	1
1916	}	2156	}
1917		2157
		2158	# used to laod the header of an original map
1918	sub load_header_orig {	2159	sub load_header_orig {
1919	my ($self) = @_;	2160	my ($self) = @_;
1920		2161
1921	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1922	}	2163	}
1923		2164
		2165	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2166	sub load_header_temp {
1925	my ($self) = @_;	2167	my ($self) = @_;
1926		2168
1927	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1928	}	2170	}
1929		2171
		2172	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2173	sub prepare_temp {
1931	my ($self) = @_;	2174	my ($self) = @_;
1932		2175
1933	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1935	# safety	2178	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2181	}
1939		2182
		2183	# called after loading the header from an original map
1940	sub prepare_orig {	2184	sub prepare_orig {
1941	my ($self) = @_;	2185	my ($self) = @_;
1942		2186
1943	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2212
1969	sub find;	2213	sub find;
1970	sub find {	2214	sub find {
1971	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1972		2216
		2217	cf::cede_to_tick;
		2218
1973	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1974		2220
1975	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2223
1978	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1983	or return;	2226	or return;
1984		2227
1985	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1986		2229
…		…
1988	or return;	2231	or return;
1989		2232
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1993	undef $guard1;	2237	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2238	$map->reset;
1996	return find $path;	2239	return find $path;
1997	}	2240	}
1998		2241
1999	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
2000	}	2243	}
2001	}	2244	}
2002		2245
2003	sub pre_load { }	2246	sub pre_load { }
2004	sub post_load { }	2247	#sub post_load { } # XS
2005		2248
2006	sub load {	2249	sub load {
2007	my ($self) = @_;	2250	my ($self) = @_;
2008		2251
2009	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2255
2013	{	2256	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
2015		2258
2016	return unless $self->valid;	2259	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2261
2021	$self->alloc;	2262	$self->alloc;
2022		2263
2023	$self->pre_load;	2264	$self->pre_load;
2024	cf::cede_to_tick;	2265	cf::cede_to_tick;
2025		2266
		2267	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2269	$f->skip_block;
2028	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2029	or return;	2271	or return;
2030		2272
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
2032	if delete $self->{load_original};	2274	if delete $self->{load_original};
2033		2275
2034	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2277	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2280	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2041	}	2284	}
2042	}	2285	}
2043	}
2044		2286
2045	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
2046		2294
2047	cf::cede_to_tick;	2295	cf::cede_to_tick;
2048	# now do the right thing for maps	2296	# now do the right thing for maps
2049	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2303	$self->decay_objects;
2056	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2057	$self->update_buttons;	2305	$self->update_buttons;
2058	cf::cede_to_tick;	2306	cf::cede_to_tick;
2059	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2308	}
2063		2309
2064	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2312	}
2069		2313
2070	$self->post_load;	2314	$self->post_load;
2071	}
2072		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2322	sub customise_for {
2074	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2075		2324
2076	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2326	if $self->per_player;
…		…
2080	# if $self->per_party;	2329	# if $self->per_party;
2081		2330
2082	$self	2331	$self
2083	}	2332	}
2084		2333
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2334	sub find_sync {
2112	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2113		2336
2114	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2115	}	2342	}
2116		2343
2117	sub do_load_sync {	2344	sub do_load_sync {
2118	my ($map) = @_;	2345	my ($map) = @_;
2119		2346
		2347	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2122		2350
2123	cf::sync_job { $map->load };	2351	$map->load;
2124	}	2352	}
2125		2353
2126	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2128		2356
2129	sub find_async {	2357	sub find_async {
2130	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2131		2359
2132	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2133		2361
2134	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2136	}	2364	}
2137		2365
2138	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2139		2367
2140	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2155		2383
2156	()	2384	()
2157	}	2385	}
2158		2386
		2387	# common code, used by both ->save and ->swapout
2159	sub save {	2388	sub _save {
2160	my ($self) = @_;	2389	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2390
2164	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2165		2392
2166	return unless $self->dirty;	2393	return unless $self->dirty;
2167		2394
…		…
2176		2403
2177	cf::async {	2404	cf::async {
2178	$Coro::current->{desc} = "map player save";	2405	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2180	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2181		2410
2182	if ($uniq) {	2411	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2414	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2187	}	2416	}
2188	}	2417	}
2189		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2190	sub swap_out {	2427	sub swap_out {
2191	my ($self) = @_;	2428	my ($self) = @_;
2192		2429
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2198	return if $self->players;	2434	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2200	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2201		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2202	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2203		2486
2204	$self->deactivate;	2487	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2489	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2490
2252	$self->unlink_save;	2491	$self->unlink_save;
2253	$self->destroy;	2492	$self->destroy;
2254	}	2493	}
2255		2494
…		…
2263		2502
2264	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2265		2504
2266	$self->unlink_save;	2505	$self->unlink_save;
2267		2506
2268	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2512
…		…
2322		2561
2323	sub unique_maps() {	2562	sub unique_maps() {
2324	[	2563	[
2325	map {	2564	map {
2326	utf8::decode $_;	2565	utf8::decode $_;
2327	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2328	? normalise $_	2569	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2571	]
2332	}	2572	}
2333		2573
2334	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2335		2605
2336	=back	2606	=back
2337		2607
2338	=head3 cf::object	2608	=head3 cf::object
2339		2609
…		…
2343		2613
2344	=over 4	2614	=over 4
2345		2615
2346	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2347		2617
2348	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2349		2620
2350	=cut	2621	=cut
2351		2622
2352	sub inv_recursive_;	2623	sub inv_recursive_;
2353	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2359	}	2630	}
2360		2631
2361	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2362		2633
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2634	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2635
2365	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2366		2637
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2402		2673
2403	=cut	2674	=cut
2404		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
		2689
2405	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2691	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2707
2423	} else {	2708	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2711	}
2427	}	2712	}
2428	}	2713	}
2429		2714
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2740
2456	=item $player_object->enter_link	2741	=item $player_object->enter_link
2457		2742
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2744
2460	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2462		2749
2463	Will never block.	2750	Will never block.
2464		2751
2465	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2466		2753
…		…
2486	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2774	my ($self) = @_;
2488		2775
2489	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2490		2777
		2778	++$self->{_link_recursion};
		2779
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2781
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2495		2784
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2786	}
2498		2787
2499	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2501		2790
…		…
2518	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2520		2809
2521	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2524		2813
2525	$map->load;	2814	$map->load;
2526	$map->load_neighbours;
2527		2815
2528	return unless $self->contr->active;	2816	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2817
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2533	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2534		2825
		2826	}
		2827
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2829
2537	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2834	be called at the end of this process.
2542		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2543	=cut	2839	=cut
2544		2840
2545	our $GOTOGEN;	2841	our $GOTOGEN;
2546		2842
2547	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2548	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2549		2851
2550	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2854
2553	$self->enter_link;	2855	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2574	}	2876	}
2575	}	2877	}
2576		2878
2577	my $map = eval {	2879	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2881
2580	if ($map) {	2882	if ($map) {
2581	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2885	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2887	}
2586		2888
2587	$map	2889	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2598	}	2900	}
2599		2901
2600	$done->() if $done;	2902	$done->($self) if $done;
2601	})->prio (1);	2903	})->prio (1);
2602	}	2904	}
2603		2905
2604	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2605		2907
…		…
2625	}	2927	}
2626		2928
2627	sub prepare_random_map {	2929	sub prepare_random_map {
2628	my ($exit) = @_;	2930	my ($exit) = @_;
2629		2931
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2934	# that depends on the exit object
2635		2935
2636	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2938	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2643	}	2945	}
2644		2946
2645	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2646		2948
2647	my $data = cf::encode_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2650		2952
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2955	undef $fh;
2654	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2655		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2658	}	2964	}
2659	}	2965	}
2660		2966
2661	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2663		2969
2664	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2665		2971
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2972	$self->enter_link;
2678		2973
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2974	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2685		2976
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2688	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2689		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2690	1;	3013	1
2691	}) {	3014	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2696		3019
2697	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	3021	$self->leave_link;
2699	}	3022	}
2700	})->prio (1);	3023	})->prio (1);
2701	}	3024	}
2702		3025
…		…
2714	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2716		3039
2717	utf8::encode $text;	3040	utf8::encode $text;
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2719	}	3067	}
2720		3068
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3070
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2727		3075
2728	=cut	3076	=cut
2729		3077
2730	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2732	"c/identify" => {	3086	"c/identify" => {
2733	id => "infobox",	3087	id => "infobox",
2734	title => "Identify",	3088	title => "Identify",
2735	reply => undef,	3089	reply => undef,
2736	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3092	"c/examine" => {
2739	id => "infobox",	3093	id => "infobox",
2740	title => "Examine",	3094	title => "Examine",
2741	reply => undef,	3095	reply => undef,
2742	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
2743	},	3103	},
2744	"c/book" => {	3104	"c/book" => {
2745	id => "infobox",	3105	id => "infobox",
2746	title => "Book",	3106	title => "Book",
2747	reply => undef,	3107	reply => undef,
…		…
2763	id => "infobox",	3123	id => "infobox",
2764	title => "Body Parts",	3124	title => "Body Parts",
2765	reply => undef,	3125	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2767	},	3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
2768	"c/uptime" => {	3164	"c/uptime" => {
2769	id => "infobox",	3165	id => "infobox",
2770	title => "Uptime",	3166	title => "Uptime",
2771	reply => undef,	3167	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3168	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3171	id => "infobox",
2776	title => "Map Info",	3172	title => "Map Info",
2777	reply => undef,	3173	reply => undef,
2778	tooltip => "Information related to the maps",	3174	tooltip => "Information related to the maps",
2779	},	3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2780	);	3190	);
2781		3191
2782	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3194
2785	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2786		3197
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3199
2789	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2792		3203
2793	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3205	$channel = $channel->{id};
2797		3206
2798	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3212	}
2805		3213
2806	$channel = $channel->{id};	3214	$channel = $channel->{id};
2807	}	3215	}
2808		3216
2809	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2810		3218
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3219	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2815		3222
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3226	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3227
2830	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3229	}
2844		3230
2845	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2846		3232
2847	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2849	=cut	3235	=cut
2850		3236
2851	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2853		3239
2854	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}
2860	}	3241	}
2861		3242
2862	=item $client->ext_reply ($msgid, @msg)	3243	=item $client->ext_reply ($msgid, @msg)
2863		3244
2864	Sends an ext reply to the client.	3245	Sends an ext reply to the client.
…		…
2866	=cut	3247	=cut
2867		3248
2868	sub cf::client::ext_reply($$@) {	3249	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;	3250	my ($self, $id, @msg) = @_;
2870		3251
2871	if ($self->extcmd == 2) {
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}
2878	}	3253	}
2879		3254
2880	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2881		3256
2882	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
…		…
2937	my ($ns, $buf) = @_;	3312	my ($ns, $buf) = @_;
2938		3313
2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940		3315
2941	if (ref $msg) {	3316	if (ref $msg) {
2942	my ($type, $reply, @payload) =	3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2943	"ARRAY" eq ref $msg
2944	? @$msg
2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946		3318
2947	my @reply;	3319	my @reply;
2948		3320
2949	if (my $cb = $EXTICMD{$type}) {	3321	if (my $cb = $EXTICMD{$type}) {
2950	@reply = $cb->($ns, @payload);	3322	@reply = $cb->($ns, @payload);
…		…
2952		3324
2953	$ns->ext_reply ($reply, @reply)	3325	$ns->ext_reply ($reply, @reply)
2954	if $reply;	3326	if $reply;
2955		3327
2956	} else {	3328	} else {
2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958	}	3330	}
2959		3331
2960	cf::override;	3332	cf::override;
2961	},	3333	},
2962	);	3334	);
…		…
2982		3354
2983	$coro	3355	$coro
2984	}	3356	}
2985		3357
2986	cf::client->attach (	3358	cf::client->attach (
2987	on_destroy => sub {	3359	on_client_destroy => sub {
2988	my ($ns) = @_;	3360	my ($ns) = @_;
2989		3361
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3363	},
2992	);	3364	);
…		…
3008	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
3009		3381
3010	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
3011		3383
3012	$safe->permit_only (Opcode::opset qw(	3384	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3385	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3386	grepstart grepwhile mapstart mapwhile
3015	sort time	3387	sort time
3016	));	3388	));
3017		3389
3018	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
…		…
3021		3393
3022	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
3023		3395
3024	cf::object	3396	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3397	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3398	insert remove name archname title slaying race decrease split
		3399	value
3027		3400
3028	cf::object::player	3401	cf::object::player
3029	player	3402	player
3030		3403
3031	cf::player	3404	cf::player
…		…
3036		3409
3037	=cut	3410	=cut
3038		3411
3039	for (	3412	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3414	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3415	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
3046	) {	3419	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3422	for @funs;
3051	}	3423	}
3052		3424
…		…
3067		3439
3068	my $qcode = $code;	3440	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
3071		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
3072	local $_;	3447	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3448
3075	my $eval =	3449	my $eval =
3076	"do {\n"	3450	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3453	. $code
3080	. "\n}"	3454	. "\n}"
3081	;	3455	;
3082		3456
		3457	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
3086		3466
3087	if ($@) {	3467	if ($@) {
3088	warn "$@";	3468	warn "$@",
3089	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
3091	}	3471	}
3092		3472
3093	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
3094	}	3474	}
3095		3475
…		…
3109	=cut	3489	=cut
3110		3490
3111	sub register_script_function {	3491	sub register_script_function {
3112	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
3113		3493
3114	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
3116	}	3496	}
3117		3497
3118	=back	3498	=back
3119		3499
3120	=cut	3500	=cut
3121		3501
3122	#############################################################################	3502	#############################################################################
3123	# the server's init and main functions	3503	# the server's init and main functions
		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
3124		3528
3125	sub load_facedata($) {	3529	sub load_facedata($) {
3126	my ($path) = @_;	3530	my ($path) = @_;
3127		3531
3128	# HACK to clear player env face cache, we need some signal framework	3532	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3533	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3534	%ext::player_env::MUSIC_FACE_CACHE = ();
3131		3535
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3537
3134	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
3135		3539
3136	my $facedata;	3540	my $facedata = decode_storable load_file $path;
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3541
3142	$facedata->{version} == 2	3542	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3544
3145	# patch in the exptable
3146	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3149	};
3150	cf::cede_to_tick;	3545	cf::cede_to_tick;
3151		3546
3152	{	3547	{
3153	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
3154		3549
3155	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3553
3158	cf::face::set_visibility $idx, $info->{visibility};	3554	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3555	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
3162		3560
3163	cf::cede_to_tick;	3561	cf::cede_to_tick;
3164	}	3562	}
3165		3563
3166	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
…		…
3171		3569
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3571	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3573	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3575	}
3178		3576
3179	cf::cede_to_tick;	3577	cf::cede_to_tick;
3180	}	3578	}
3181	}	3579	}
…		…
3190		3588
3191	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
3192	}	3590	}
3193		3591
3194	{	3592	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3593	my $res = $facedata->{resource};
3198		3594
3199	while (my ($name, $info) = each %$res) {	3595	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3599
3204	if ($info->{type} & 1) {
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
3219	} else {	3604	} else {
3220	$RESOURCE{$name} = $info;	3605	# $RESOURCE{$name} = $info; # unused
3221	}	3606	}
3222		3607
3223	cf::cede_to_tick;	3608	cf::cede_to_tick;
3224	}	3609	}
3225	}	3610	}
3226		3611
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3613
3229	1	3614	1
3230	}	3615	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3616
3252	register_exticmd fx_want => sub {	3617	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3618	my ($ns, $want) = @_;
3254		3619
3255	while (my ($k, $v) = each %$want) {	3620	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3621	$ns->fx_want ($k, $v);
3257	}	3622	}
3258	};	3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
3259		3647
3260	sub reload_regions {	3648	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3649	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3650	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3651	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3277	}	3665	}
3278		3666
3279	sub reload_archetypes {	3667	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references	3670
3283	# this really needs to be done in an extra post-pass	3671	add_face "res/skill_info" => FT_RSRC,
3284	# (which needs to be synchronous, so solve it differently)	3672	JSON::XS->new->utf8->canonical->encode (
3285	load_resource_file "$DATADIR/archetypes"	3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3286	or die "unable to load archetypes\n";	3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
3287	}	3679	}
3288		3680
3289	sub reload_treasures {	3681	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
3292	}	3684	}
3293		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	#d# move docstuff to help or so
		3707	our %DOCSTRING;
		3708
		3709	sub reload_pod {
		3710	trace "loading pods $PODDIR\n";
		3711
		3712	%DOCSTRING = ();
		3713	my @command_list;
		3714
		3715	for (
		3716	[0, "command_help"],
		3717	[1, "emote_help"],
		3718	[2, "dmcommand_help"],
		3719	) {
		3720	my ($type, $path) = @$_;
		3721
		3722	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3723	or die "unable to load $path";
		3724
		3725	my $level = 1e9;
		3726	my $rpar;
		3727
		3728	for my $par (@$paragraphs) {
		3729	if ($par->{type} eq "head2") {
		3730	# this code taken almost verbatim from DC/Protocol.pm
		3731
		3732	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3733	my $cmd = $1;
		3734	my @args = split /\|/, $2;
		3735	@args = (".*") unless @args;
		3736
		3737	$_ = $_ eq ".*" ? "" : " $_"
		3738	for @args;
		3739
		3740	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3741
		3742	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3743
		3744	push @command_list, [$type, \@variants];
		3745	$level = $par->{level};
		3746	} else {
		3747	error "$par->{markup}: unparsable command heading";
		3748	}
		3749	} elsif ($par->{level} > $level) {
		3750	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3751	}
		3752
		3753	cf::cede_to_tick;
		3754	}
		3755	}
		3756
		3757	@command_list = sort {
		3758	$a->[0] <=> $b->[0]
		3759	or $a->[1] cmp $b->[1]
		3760	} @command_list;
		3761
		3762	cf::cede_to_tick;
		3763
		3764	add_face "res/command_list" => FT_RSRC,
		3765	JSON::XS->new->utf8->encode (\@command_list);
		3766	}
		3767
3294	sub reload_resources {	3768	sub reload_resources {
3295	warn "reloading resource files...\n";	3769	trace "reloading resource files...\n";
3296		3770
		3771	reload_materials;
		3772	reload_facedata;
		3773	reload_exp_table;
		3774	reload_sound;
		3775	reload_archetypes;
3297	reload_regions;	3776	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3777	reload_treasures;
		3778	reload_pod;
3302		3779
3303	warn "finished reloading resource files\n";	3780	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3781	}
3309		3782
3310	sub reload_config {	3783	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3784	trace "reloading config file...\n";
3312	or return;
3313		3785
3314	local $/;	3786	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3787	utf8::decode $config;
		3788	*CFG = decode_yaml $config;
3316		3789
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3790	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3791
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3792	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3793	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3321		3794
3322	if (exists $CFG{mlockall}) {	3795	if (exists $CFG{mlockall}) {
…		…
3326	};	3799	};
3327	warn $@ if $@;	3800	warn $@ if $@;
3328	}	3801	}
3329	}	3802	}
3330		3803
		3804	sub pidfile() {
		3805	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3806	or die "$PIDFILE: $!";
		3807	flock $fh, &Fcntl::LOCK_EX
		3808	or die "$PIDFILE: flock: $!";
		3809	$fh
		3810	}
		3811
		3812	# make sure only one server instance is running at any one time
		3813	sub atomic {
		3814	my $fh = pidfile;
		3815
		3816	my $pid = <$fh>;
		3817	kill 9, $pid if $pid > 0;
		3818
		3819	seek $fh, 0, 0;
		3820	print $fh $$;
		3821	}
		3822
		3823	sub main_loop {
		3824	trace "EV::loop starting\n";
		3825	if (1) {
		3826	EV::loop;
		3827	}
		3828	trace "EV::loop returned\n";
		3829	goto &main_loop unless $REALLY_UNLOOP;
		3830	}
		3831
3331	sub main {	3832	sub main {
		3833	cf::init_globals; # initialise logging
		3834
		3835	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3836	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3837	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3838	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3839
		3840	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3841
3332	# we must not ever block the main coroutine	3842	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3843	$Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3844	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3845	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3846	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3847	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3848	})->prio (Coro::PRIO_MAX);
3339	};	3849	};
3340		3850
		3851	evthread_start IO::AIO::poll_fileno;
		3852
		3853	cf::sync_job {
		3854	cf::incloader::init ();
		3855
		3856	db_init;
		3857
		3858	cf::init_anim;
		3859	cf::init_attackmess;
		3860	cf::init_dynamic;
		3861
		3862	cf::load_settings;
		3863
		3864	reload_resources;
3341	reload_config;	3865	reload_config;
3342	db_init;	3866
		3867	cf::init_uuid;
		3868	cf::init_signals;
		3869	cf::init_skills;
		3870
		3871	cf::init_beforeplay;
		3872
		3873	atomic;
		3874
3343	load_extensions;	3875	load_extensions;
3344		3876
3345	$TICK_WATCHER->start;	3877	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3878
3347	EV::loop;	3879	# no (long-running) fork's whatsoever before this point(!)
		3880	use POSIX ();
		3881	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3882
		3883	cf::_post_init 0;
		3884	};
		3885
		3886	cf::object::thawer::errors_are_fatal 0;
		3887	info "parse errors in files are no longer fatal from this point on.\n";
		3888
		3889	AE::postpone {
		3890	undef &main; # free gobs of memory :)
		3891	};
		3892
		3893	goto &main_loop;
3348	}	3894	}
3349		3895
3350	#############################################################################	3896	#############################################################################
3351	# initialisation and cleanup	3897	# initialisation and cleanup
3352		3898
3353	# install some emergency cleanup handlers	3899	# install some emergency cleanup handlers
3354	BEGIN {	3900	BEGIN {
3355	our %SIGWATCHER = ();	3901	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3902	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3903	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3904	cf::cleanup "SIG$signal";
3359	};	3905	};
3360	}	3906	}
3361	}	3907	}
3362		3908
3363	sub write_runtime {	3909	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3910	my $t0 = AE::time;
3365		3911
3366	# first touch the runtime file to show we are still running:	3912	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3913	# the fsync below can take a very very long time.
3368		3914
3369	IO::AIO::aio_utime $runtime, undef, undef;	3915	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3916
3371	my $guard = cf::lock_acquire "write_runtime";	3917	my $guard = cf::lock_acquire "write_runtime";
3372		3918
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3919	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3920	or return;
3375		3921
3376	my $value = $cf::RUNTIME + 90 + 10;	3922	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3923	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3924	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3934	aio_utime $fh, undef, undef;
3389		3935
3390	close $fh	3936	close $fh
3391	or return;	3937	or return;
3392		3938
3393	aio_rename "$runtime~", $runtime	3939	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3940	and return;
3395		3941
3396	warn "runtime file written.\n";	3942	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		3943
3398	1	3944	1
		3945	}
		3946
		3947	our $uuid_lock;
		3948	our $uuid_skip;
		3949
		3950	sub write_uuid_sync($) {
		3951	$uuid_skip ||= $_[0];
		3952
		3953	return if $uuid_lock;
		3954	local $uuid_lock = 1;
		3955
		3956	my $uuid = "$LOCALDIR/uuid";
		3957
		3958	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3959	or return;
		3960
		3961	my $value = uuid_seq uuid_cur;
		3962
		3963	unless ($value) {
		3964	info "cowardly refusing to write zero uuid value!\n";
		3965	return;
		3966	}
		3967
		3968	my $value = uuid_str $value + $uuid_skip;
		3969	$uuid_skip = 0;
		3970
		3971	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3972	and return;
		3973
		3974	# always fsync - this file is important
		3975	aio_fsync $fh
		3976	and return;
		3977
		3978	close $fh
		3979	or return;
		3980
		3981	aio_rename "$uuid~", $uuid
		3982	and return;
		3983
		3984	trace "uuid file written ($value).\n";
		3985
		3986	1
		3987
		3988	}
		3989
		3990	sub write_uuid($$) {
		3991	my ($skip, $sync) = @_;
		3992
		3993	$sync ? write_uuid_sync $skip
		3994	: async { write_uuid_sync $skip };
3399	}	3995	}
3400		3996
3401	sub emergency_save() {	3997	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3998	my $freeze_guard = cf::freeze_mainloop;
3403		3999
3404	warn "enter emergency perl save\n";	4000	info "emergency_perl_save: enter\n";
		4001
		4002	# this is a trade-off: we want to be very quick here, so
		4003	# save all maps without fsync, and later call a global sync
		4004	# (which in turn might be very very slow)
		4005	local $USE_FSYNC = 0;
3405		4006
3406	cf::sync_job {	4007	cf::sync_job {
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
3407	# use a peculiar iteration method to avoid tripping on perl	4010	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	4011	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	4012	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	4013	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	4014	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	4015	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	4016	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4017	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	4018	$pl->save;
3416	}	4019	}
3417	warn "end emergency player save\n";	4020	info "emergency_perl_save: end player save\n";
3418		4021
3419	warn "begin emergency map save\n";	4022	cf::write_runtime_sync; # external watchdog should not bark
		4023
		4024	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	4025	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	4026	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	4027	$map->valid or next;
3423	$map->save;	4028	$map->save;
3424	}	4029	}
3425	warn "end emergency map save\n";	4030	info "emergency_perl_save: end map save\n";
3426		4031
3427	warn "begin emergency database checkpoint\n";	4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
		4034	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	4035	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	4036	info "emergency_perl_save: end database checkpoint\n";
		4037
		4038	info "emergency_perl_save: begin write uuid\n";
		4039	write_uuid_sync 1;
		4040	info "emergency_perl_save: end write uuid\n";
		4041
		4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	trace "emergency_perl_save: syncing database to disk";
		4045	BDB::db_env_txn_checkpoint $DB_ENV;
		4046
		4047	info "emergency_perl_save: starting sync\n";
		4048	IO::AIO::aio_sync sub {
		4049	info "emergency_perl_save: finished sync\n";
		4050	};
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	trace "emergency_perl_save: flushing outstanding aio requests";
		4055	while (IO::AIO::nreqs || BDB::nreqs) {
		4056	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4057	}
		4058
		4059	cf::write_runtime_sync; # external watchdog should not bark
3430	};	4060	};
3431		4061
3432	warn "leave emergency perl save\n";	4062	info "emergency_perl_save: leave\n";
3433	}	4063	}
3434		4064
3435	sub post_cleanup {	4065	sub post_cleanup {
3436	my ($make_core) = @_;	4066	my ($make_core) = @_;
3437		4067
		4068	IO::AIO::flush;
		4069
3438	warn Carp::longmess "post_cleanup backtrace"	4070	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	4071	if $make_core;
		4072
		4073	my $fh = pidfile;
		4074	unlink $PIDFILE if <$fh> == $$;
		4075	}
		4076
		4077	# a safer delete_package, copied from Symbol
		4078	sub clear_package($) {
		4079	my $pkg = shift;
		4080
		4081	# expand to full symbol table name if needed
		4082	unless ($pkg =~ /^main::.*::$/) {
		4083	$pkg = "main$pkg" if $pkg =~ /^::/;
		4084	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4085	$pkg .= '::' unless $pkg =~ /::$/;
		4086	}
		4087
		4088	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4089	my $stem_symtab = *{$stem}{HASH};
		4090
		4091	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4092	or return;
		4093
		4094	# clear all symbols
		4095	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4096	for my $name (keys %$leaf_symtab) {
		4097	_gv_clear *{"$pkg$name"};
		4098	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4099	}
3440	}	4100	}
3441		4101
3442	sub do_reload_perl() {	4102	sub do_reload_perl() {
3443	# can/must only be called in main	4103	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	4104	unless (in_main) {
3445	warn "can only reload from main coroutine";	4105	error "can only reload from main coroutine";
3446	return;	4106	return;
3447	}	4107	}
3448		4108
3449	warn "reloading...";	4109	return if $RELOAD++;
3450		4110
3451	warn "entering sync_job";	4111	my $t1 = AE::time;
3452		4112
		4113	while ($RELOAD) {
		4114	cf::get_slot 0.1, -1, "reload_perl";
		4115	info "perl_reload: reloading...";
		4116
		4117	trace "perl_reload: entering sync_job";
		4118
3453	cf::sync_job {	4119	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	4120	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		4121
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	4122	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	4123	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	4124	%EXT_CORO = ();
3477		4125
3478	warn "removing commands";	4126	trace "perl_reload: removing commands";
3479	%COMMAND = ();	4127	%COMMAND = ();
3480		4128
3481	warn "removing ext/exti commands";	4129	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	4130	%EXTCMD = ();
3483	%EXTICMD = ();	4131	%EXTICMD = ();
3484		4132
3485	warn "unloading/nuking all extensions";	4133	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	4134	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	4135	trace "... unloading $pkg";
3488		4136
3489	if (my $cb = $pkg->can ("unload")) {	4137	if (my $cb = $pkg->can ("unload")) {
3490	eval {	4138	eval {
3491	$cb->($pkg);	4139	$cb->($pkg);
3492	1	4140	1
3493	} or warn "$pkg unloaded, but with errors: $@";	4141	} or error "$pkg unloaded, but with errors: $@";
		4142	}
		4143
		4144	trace "... clearing $pkg";
		4145	clear_package $pkg;
3494	}	4146	}
3495		4147
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	4148	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	4149	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4150	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		4151
3504	warn "... unloading $k";	4152	trace "... unloading $k";
3505	delete $INC{$k};	4153	delete $INC{$k};
3506		4154
3507	$k =~ s/\.pm$//;	4155	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4156	$k =~ s/\//::/g;
3509		4157
3510	if (my $cb = $k->can ("unload_module")) {	4158	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4159	$cb->();
		4160	}
		4161
		4162	clear_package $k;
3512	}	4163	}
3513		4164
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4165	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4166	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4167	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4168
3521	warn "unloading cf.pm \"a bit\"";	4169	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4170	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4171	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4172
3525	# don't, removes xs symbols, too,	4173	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4174	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4175	#clear_package __PACKAGE__;
3528		4176
3529	warn "unload completed, starting to reload now";	4177	info "perl_reload: unload completed, starting to reload now";
3530		4178
3531	warn "reloading cf.pm";	4179	trace "perl_reload: reloading cf.pm";
3532	require cf;	4180	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4181	cf::_connect_to_perl_1;
3534		4182
3535	warn "loading config and database again";	4183	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4184	cf::reload_config;
3537		4185
3538	warn "loading extensions";	4186	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4187	cf::load_extensions;
3540		4188
		4189	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4190	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4191	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4192	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4193	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4194	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4195	reattach $_ for values %PLAYER;
		4196	}
3547		4197
3548	warn "leaving sync_job";	4198	cf::_post_init 1;
3549		4199
		4200	trace "perl_reload: leaving sync_job";
		4201
3550	1	4202	1
3551	} or do {	4203	} or do {
3552	warn $@;	4204	error $@;
3553	warn "error while reloading, exiting.";	4205	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4206	};
		4207
		4208	--$RELOAD;
3555	};	4209	}
3556		4210
3557	warn "reloaded";	4211	$t1 = AE::time - $t1;
		4212	info "perl_reload: completed in ${t1}s\n";
3558	};	4213	};
3559		4214
3560	our $RELOAD_WATCHER; # used only during reload	4215	our $RELOAD_WATCHER; # used only during reload
3561		4216
3562	sub reload_perl() {	4217	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4218	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4219	# coro crashes during coro_state_free->destroy here.
3565		4220
		4221	$RELOAD_WATCHER ||= cf::async {
		4222	Coro::AIO::aio_wait cache_extensions;
		4223
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4224	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4225	do_reload_perl;
3567	undef $RELOAD_WATCHER;	4226	undef $RELOAD_WATCHER;
3568	do_reload_perl;	4227	};
3569	};	4228	};
3570	}	4229	}
3571		4230
3572	register_command "reload" => sub {	4231	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4232	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4238	reload_perl;
3580	};	4239	};
3581	}	4240	}
3582	};	4241	};
3583		4242
3584	unshift @INC, $LIBDIR;	4243	#############################################################################
3585		4244
3586	my $bug_warning = 0;	4245	my $bug_warning = 0;
3587		4246
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4247	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4248	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4249
3595	my $signal = new Coro::Signal;	4250	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4251	}
3599		4252
3600	sub wait_for_tick_begin {	4253	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4254	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4255
3604	my $signal = new Coro::Signal;	4256	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4257	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4258	$signal->wait;
3607	}	4259	}
3608		4260
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4261	sub tick {
3610	if ($Coro::current != $Coro::main) {	4262	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4263	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4264	unless ++$bug_warning > 10;
3613	return;	4265	return;
3614	}	4266	}
3615		4267
3616	$NOW = $tick_start = EV::now;	4268	cf::one_tick; # one server iteration
3617		4269
3618	cf::server_tick; # one server iteration	4270	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4271
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4272	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4273	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4274	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4275	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4276	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4277	or error "ERROR: unable to write runtime file: $!";
3629	};	4278	};
3630	}	4279	}
3631		4280
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4281	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4282	$sig->send;
3634	}	4283	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4284	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4285
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4286	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4287	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4288
3642	_post_tick;	4289	if (0) {
3643	};	4290	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4291	my $jitter = $TICK_START - $NEXT_TICK;
		4292	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4293	debug "jitter $JITTER\n";#d#
		4294	}
		4295	}
		4296	}
3645		4297
3646	{	4298	{
3647	# configure BDB	4299	# configure BDB
		4300	info "initialising database";
3648		4301
3649	BDB::min_parallel 8;	4302	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4303	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4304	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4305
3653	unless ($DB_ENV) {	4306	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4307	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4308	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4309	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4310	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4311	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4312	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4313
3660	cf::sync_job {	4314	cf::sync_job {
3661	eval {	4315	eval {
…		…
3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4334	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3681	};	4335	};
3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4336	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4337	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4338	};
		4339
		4340	info "database initialised";
3685	}	4341	}
3686		4342
3687	{	4343	{
3688	# configure IO::AIO	4344	# configure IO::AIO
3689		4345
		4346	info "initialising aio";
3690	IO::AIO::min_parallel 8;	4347	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4348	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4349	undef $AnyEvent::AIO::WATCHER;
		4350	info "aio initialised";
3693	}	4351	}
3694		4352
3695	my $_log_backtrace;	4353	our $_log_backtrace;
		4354	our $_log_backtrace_last;
3696		4355
3697	sub _log_backtrace {	4356	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4357	my ($msg, @addr) = @_;
3699		4358
3700	$msg =~ s/\n//;	4359	$msg =~ s/\n$//;
3701		4360
		4361	if ($_log_backtrace_last eq $msg) {
		4362	LOG llevInfo, "[ABT] $msg\n";
		4363	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4364	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4365	} elsif ($_log_backtrace < 2) {
		4366	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4367	++$_log_backtrace;
		4368	my $perl_bt = Carp::longmess $msg;
3705	async {	4369	async {
3706	$Coro::current->{desc} = "abt $msg";	4370	$Coro::current->{desc} = "abt $msg";
3707		4371
3708	my @bt = fork_call {	4372	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4373	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4384	}
3721		4385
3722	@funcs	4386	@funcs
3723	};	4387	};
3724		4388
3725	LOG llevInfo, "[ABT] $msg\n";	4389	LOG llevInfo, "[ABT] $perl_bt\n";
		4390	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4391	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4392	--$_log_backtrace;
3728	};	4393	};
3729	} else {	4394	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4395	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4396	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4397	}
3733	}	4398	}
3734		4399
3735	# load additional modules	4400	# load additional modules
3736	use cf::pod;	4401	require "cf/$_.pm" for @EXTRA_MODULES;
		4402	cf::_connect_to_perl_2;
3737		4403
3738	END { cf::emergency_save }	4404	END { cf::emergency_save }
3739		4405
3740	1	4406	1
3741		4407

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