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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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;	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 4.1 ();	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;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.51 ();	62	use IO::AIO ();
33	use Time::HiRes;	63	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		79
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	80	# strictly for debugging
44	$YAML::Syck::ImplicitUnicode = 1;	81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		82
48	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;
49		86
50	our %COMMAND = ();	87	our %COMMAND = ();
51	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
52		89
53	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	91	our %EXTCMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
58		95
59	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
61		100
62	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
63	our $DATADIR = datadir;	103	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
67	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		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;
73		124
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	127	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		129
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	133	our $DB_ENV;
87		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
88	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
89		139
90	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
		143	our $NOW;
92		144
93	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
94	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
95	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
96		148
97	# 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 ∕
98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
99		151
100	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)
101	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
102	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
103		164
104	binmode STDOUT;	165	binmode STDOUT;
105	binmode STDERR;	166	binmode STDERR;
106		167
107	# read virtual server time, if available	168	# read virtual server time, if available
108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
109	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
110	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
111	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
112	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
113		176
114	mkdir $_	177	mkdir $_
115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
116		179
117	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
118		181
119	sub cf::map::normalise;	182	sub cf::map::normalise;
120		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
121	#############################################################################	188	#############################################################################
122		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
123	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
124		202
125	=over 4	203	=over 4
126		204
127	=item $cf::UPTIME	205	=item $cf::UPTIME
128		206
129	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.
130		223
131	=item $cf::RUNTIME	224	=item $cf::RUNTIME
132		225
133	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
134	every server tick.	227	every server tick.
135		228
136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
139		232
140	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
143	database environment.	236	database environment.
144		237
145	=item $cf::NOW
146
147	The time of the last (current) server tick.
148
149	=item $cf::TICK
150
151	The interval between server ticks, in seconds.
152
153	=item $cf::LOADAVG	238	=item $cf::LOADAVG
154		239
155	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
156	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
157	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
166	from wherever your confdir points to.	251	from wherever your confdir points to.
167		252
168	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
169		254
170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
171	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
173		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
174	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
175		277
176	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
177	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
178	that call.	280	that call.
179		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
180	=back	288	=back
181		289
182	=cut	290	=cut
183		291
184	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
185	*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 {
186	my $msg = join "", @_;	299	my $msg = join "", @_;
187		300
188	$msg .= "\n"	301	$msg .= "\n"
189	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
190		303
191	$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;
192		305
193	LOG llevError, $msg;	306	LOG llevWarn, $msg;
194	};	307	};
195	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		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
		320	Coro::terminate
		321	};
196		322
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	333	for my $pkg (qw(
208	cf::global cf::attachable	334	cf::global cf::attachable
209	cf::object cf::object::player	335	cf::object cf::object::player
210	cf::client cf::player	336	cf::client cf::player
211	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
212	cf::map cf::party cf::region	339	cf::party cf::region
213	)) {	340	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	342	}
217		343
218	$EV::DIED = sub {	344	$EV::DIED = sub {
219	warn "error in event callback: @_";	345	warn "error in event callback: $@";
220	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
221		352
222	#############################################################################	353	#############################################################################
223		354
224	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
225		356
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	378	$d
248	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
249	}	380	}
250		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
251	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
252		435
253	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
254		437
255	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		445
263	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
265		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
266	=item cf::lock_wait $string	511	=item cf::lock_wait $string
267		512
268	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
269		514
270	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
271		516
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
275	returned.	520	returned.
276		521
277	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
278	deadlocked coro.	523	deadlocked coro.
…		…
284		529
285	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.
286		531
287	=cut	532	=cut
288		533
289	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		535
292	sub lock_wait($) {	536	sub lock_wait($) {
293	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	538	}
306		539
307	sub lock_acquire($) {	540	sub lock_acquire($) {
308	my ($key) = @_;	541	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	542	}
322		543
323	sub lock_active($) {	544	sub lock_active($) {
324	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	546	}
328		547
329	sub freeze_mainloop {	548	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
331		550
332	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;
334	};
335	$TICK_WATCHER->stop;
336	$guard
337	}	552	}
338		553
339	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
340		555
341	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
342	get spread over timer.	557	get spread over time.
343		558
344	=cut	559	=cut
345		560
346	sub periodic($$) {	561	sub periodic($$) {
347	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
351	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
352	}	567	}
353		568
354	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
355		570
356	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
357	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
358	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$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.
359		578
360	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
361	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
362		581
363	Useful for short background jobs.	582	Useful for short background jobs.
364		583
365	=cut	584	=cut
366		585
367	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
368	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
369		589
370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
372	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
373		593
374	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
375		596
376	while () {	597	while () {
377	next_job:	598	next_job:
		599
378	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
379	if ($avail > 0.01) {	601
380	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
381	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
382	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
383	$job->[2]->send;	606	$job->[2]->send;
384	Coro::cede;	607	Coro::cede;
385	goto next_job;	608	goto next_job;
386	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
387	}	611	}
388	}	612	}
389		613
390	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
391	# 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
392	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
393	$signal->wait;
394	} else {	617	} else {
		618	$busy = 0;
395	Coro::schedule;	619	Coro::schedule;
396	}	620	}
397	}	621	}
398	};	622	};
399		623
400	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
401	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
402		628
403	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
404	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
405		632
406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
434	=cut	661	=cut
435		662
436	sub sync_job(&) {	663	sub sync_job(&) {
437	my ($job) = @_;	664	my ($job) = @_;
438		665
439	if ($Coro::current == $Coro::main) {	666	if (in_main) {
440	my $time = EV::time;	667	my $time = AE::time;
441		668
442	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
443	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
444		671
445	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
446		673
447	# TODO: use suspend/resume instead
448	# (but this is cancel-safe)
449	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
450		675
451	my $busy = 1;	676	my $busy = 1;
452	my @res;	677	my @res;
453		678
454	(async {	679	(async {
455	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
456	@res = eval { $job->() };	681	@res = eval { $job->() };
457	warn $@ if $@;	682	error $@ if $@;
458	undef $busy;	683	undef $busy;
459	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
460		685
461	while ($busy) {	686	while ($busy) {
462	if (Coro::nready) {	687	if (Coro::nready) {
…		…
464	} else {	689	} else {
465	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
466	}	691	}
467	}	692	}
468		693
469	$time = EV::time - $time;	694	my $time = AE::time - $time;
470		695
471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
475		697
476	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
477	} else {	699	} else {
478	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
479		701
…		…
499	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
500		722
501	$coro	723	$coro
502	}	724	}
503		725
504	=item fork_call { }, $args	726	=item fork_call { }, @args
505		727
506	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
507	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
508	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
509	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
510		732
511	=cut	733	=cut
512		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
513	sub fork_call(&@) {	739	sub fork_call(&@) {
514	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
515		741
516	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
517	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
518	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
519		745
520	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
521	reset_signals;	747	cf::post_fork;
522	&$cb	748	&$cb
523	}, @args;	749	} @args;
524		750
525	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
526	}	790	}
527		791
528	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
529		793
530	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
540	within each server.	804	within each server.
541		805
542	=cut	806	=cut
543		807
544	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
545	my ($name) = @_;	812	my ($name) = @_;
546	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
547		814
548	eval {	815	eval {
549	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
559	}	826	}
560		827
561	our $DB;	828	our $DB;
562		829
563	sub db_init {	830	sub db_init {
564	cf::sync_job {
565	$DB ||= db_table "db";	831	$DB ||= db_table "db";
566	};
567	}	832	}
568		833
569	sub db_get($$) {	834	sub db_get($$) {
570	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
571		836
572	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
573	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
574		841
575	$! ? ()	842	$! ? ()
576	: $data	843	: $data
577	}
578	}	844	}
579		845
580	sub db_put($$$) {	846	sub db_put($$$) {
581	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
610		876
611	my @data;	877	my @data;
612	my $md5;	878	my $md5;
613		879
614	for (0 .. $#$src) {	880	for (0 .. $#$src) {
615	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
616	or Carp::croak "$src->[$_]: $!";
617	}	882	}
618		883
619	# if processing is expensive, check	884	# if processing is expensive, check
620	# checksum first	885	# checksum first
621	if (1) {	886	if (1) {
…		…
638		903
639	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
640	my $data = $process->(\@data);	905	my $data = $process->(\@data);
641	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
642		907
643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
644		909
645	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
646	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
647	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
648		913
…		…
658		923
659	=cut	924	=cut
660		925
661	sub datalog($@) {	926	sub datalog($@) {
662	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
664	}	929	}
665		930
666	=back	931	=back
667		932
668	=cut	933	=cut
669		934
670	#############################################################################	935	#############################################################################
671		936
672	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
673		938
674	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
675	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")
676	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
677		942
678	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>
679	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
…		…
729	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
730		995
731	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
732	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
733		998
734	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
735	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.
736		1001
737	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
738		1003
739	=over 4	1004	=over 4
…		…
863		1128
864	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
865	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
866		1131
867	} elsif (ref $type) {	1132	} elsif (ref $type) {
868	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
869		1134
870	} else {	1135	} else {
871	shift @arg;	1136	shift @arg;
872	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
873	}	1138	}
874	}	1139	}
875	}	1140	}
876		1141
877	sub _object_attach {	1142	sub _object_attach {
…		…
887	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
888	}	1153	}
889		1154
890	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
891	} else {	1156	} else {
892	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
893	}	1158	}
894		1159
895	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
896	}	1161	}
897		1162
…		…
956		1221
957	for (@$callbacks) {	1222	for (@$callbacks) {
958	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
959		1224
960	if ($@) {	1225	if ($@) {
961	warn "$@";
962	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
963	override;	1227	override;
964	}	1228	}
965		1229
966	return 1 if $override;	1230	return 1 if $override;
967	}	1231	}
968		1232
969	0	1233	0
970	}	1234	}
971		1235
972	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
973		1237
974	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
975		1239
976	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
977		1241
…		…
1030		1294
1031	sub reattach {	1295	sub reattach {
1032	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1033	my ($obj) = @_;	1297	my ($obj) = @_;
1034		1298
		1299	# no longer needed after getting rid of delete_package?
1035	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
1036		1301
1037	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1038		1303
1039	@$registry = ();	1304	@$registry = ();
1040		1305
…		…
1045	for (@$attach) {	1310	for (@$attach) {
1046	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1047	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1048	}	1313	}
1049	} else {	1314	} else {
1050	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1051	}	1316	}
1052	}	1317	}
1053	}	1318	}
1054		1319
1055	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1082	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1083		1348
1084	sync_job {	1349	sync_job {
1085	if (length $$rdata) {	1350	if (length $$rdata) {
1086	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1087	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1088	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1089		1355
1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1091	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1093	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	}
1094	close $fh;	1363	aio_close $fh;
1095		1364
1096	if (@$objs) {	1365	if (@$objs) {
1097	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) {
1098	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1100	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1101	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	}
1102	close $fh;	1374	aio_close $fh;
1103	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1104	}	1376	}
1105	} else {	1377	} else {
1106	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1107	}	1379	}
1108		1380
1109	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1110	} else {	1385	} else {
1111	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1112	}	1387	}
1113	} else {	1388	} else {
1114	aio_unlink $filename;	1389	aio_unlink $filename;
1115	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1116	}	1391	}
…		…
1140	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1141	$av = $st->{objs};	1416	$av = $st->{objs};
1142	}	1417	}
1143		1418
1144	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1145	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1146	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1147		1423
1148	($data, $av)	1424	($data, $av)
1149	}	1425	}
1150		1426
1151	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1155	=cut	1431	=cut
1156		1432
1157	#############################################################################	1433	#############################################################################
1158	# command handling &c	1434	# command handling &c
1159		1435
1160	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1161		1437
1162	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1163	$name.	1439	$name.
1164		1440
1165	=cut	1441	=cut
…		…
1171	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1172		1448
1173	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1174	}	1450	}
1175		1451
1176	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1177		1453
1178	Register a callback for execution when the client sends an (synchronous)	1454	Register a callback for execution when the client sends an (synchronous)
1179	extcmd packet. Ext commands will be processed in the order they are	1455	extcmd packet. Ext commands will be processed in the order they are
1180	received by the server, like other user commands. The first argument is	1456	received by the server, like other user commands. The first argument is
1181	the logged-in player. Ext commands can only be processed after a player	1457	the logged-in player. Ext commands can only be processed after a player
1182	has logged in successfully.	1458	has logged in successfully.
1183		1459
1184	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1185	called.	1461	called.
1186		1462
1187	=item cf::register_exticmd $name => \&callback($ns,$packet);	1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
1188		1464
1189	Register a callback for execution when the client sends an (asynchronous)	1465	Register a callback for execution when the client sends an (asynchronous)
1190	exticmd packet. Exti commands are processed by the server as soon as they	1466	exticmd packet. Exti commands are processed by the server as soon as they
1191	are received, i.e. out of order w.r.t. other commands. The first argument	1467	are received, i.e. out of order w.r.t. other commands. The first argument
1192	is a client socket. Exti commands can be received anytime, even before	1468	is a client socket. Exti commands can be received anytime, even before
…		…
1207	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1208		1484
1209	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1210	}	1486	}
1211		1487
		1488	use File::Glob ();
		1489
1212	cf::player->attach (	1490	cf::player->attach (
1213	on_command => sub {	1491	on_unknown_command => sub {
1214	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1215		1493
1216	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1217	or return;	1495	or return;
1218		1496
…		…
1226	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1227		1505
1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1229		1507
1230	if (ref $msg) {	1508	if (ref $msg) {
1231	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1232	"ARRAY" eq ref $msg
1233	? @$msg
1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1235		1510
1236	my @reply;	1511	my @reply;
1237		1512
1238	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1239	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
1240	}	1515	}
1241		1516
1242	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_msg ("reply-$reply", @reply)
1243	if $reply;	1518	if $reply;
1244		1519
1245	} else {	1520	} else {
1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1247	}	1522	}
1248		1523
1249	cf::override;	1524	cf::override;
1250	},	1525	},
1251	);	1526	);
1252		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
1253	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1254	cf::sync_job {	1557	cf::sync_job {
1255	my %todo;	1558	my %todo;
1256		1559
1257	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1258	next unless -r $path;	1561	next unless -r $path;
…		…
1276		1579
1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279		1582
1280	$ext{source} =	1583	$ext{source} =
1281	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1282	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1283	. $source	1586	. $source
1284	. "\n};\n1";	1587	. "\n};\n1";
1285		1588
1286	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1287	}	1590	}
1288		1591
		1592	my $pass = 0;
1289	my %done;	1593	my %done;
1290	while (%todo) {	1594	while (%todo) {
1291	my $progress;	1595	my $progress;
1292		1596
		1597	++$pass;
		1598
		1599	ext:
1293	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1294	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1295	goto skip	1602	next ext
1296	unless exists $done{$_};	1603	unless exists $done{$_};
1297	}	1604	}
1298		1605
1299	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1300		1607
1301	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 $@) {
1302	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1303	: "$v->{base}: extension inactive.\n";
1304		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1305	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1306	warn $msg;	1624
1307	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1308	exit 1;	1626	delete $todo{$k};
1309	}	1627	} else {
1310		1628	$done{$k} = delete $todo{$k};
1311	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1312	}	1634	}
1313
1314	$done{$k} = delete $todo{$k};
1315	push @EXTS, $v->{pkg};
1316	$progress = 1;
1317	}	1635	}
1318		1636
1319	skip:	1637	unless ($progress) {
1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1321	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1322	}	1647	}
1323	};	1648	};
1324	}	1649	}
1325		1650
1326	#############################################################################	1651	#############################################################################
1327		1652
1328	=back	1653	=back
1329		1654
1330	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1331		1656
1332	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1333		1658
1334	=cut	1659	=cut
1335		1660
1336	package cf::player;	1661	package cf::player;
1337		1662
…		…
1380		1705
1381	sub exists($) {	1706	sub exists($) {
1382	my ($login) = @_;	1707	my ($login) = @_;
1383		1708
1384	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1385	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1386	}	1711	}
1387		1712
1388	sub find($) {	1713	sub find($) {
1389	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1390	my $login = $_[0];	1715	my $login = $_[0];
…		…
1402	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1403	or return;	1728	or return;
1404		1729
1405	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1406	or return;	1731	or return;
		1732
1407	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1408	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1409	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1410	}	1736	}
1411	}	1737	}
1412	}	1738	}
1413		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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
1414	sub save($) {	1753	sub save($) {
1415	my ($pl) = @_;	1754	my ($pl) = @_;
1416		1755
1417	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1418		1757
…		…
1421		1760
1422	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1423		1762
1424	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1425	$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];
1426		1770
1427	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1428	cf::cede_to_tick;	1772	cf::cede_to_tick;
1429	}	1773	}
1430		1774
…		…
1462	my ($pl) = @_;	1806	my ($pl) = @_;
1463		1807
1464	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1465		1809
1466	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1467	$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
1468		1812
1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1470	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1471	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1472	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1473		1821
1474	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1475	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1476	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1514		1862
1515	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1516	my $path = path $login;	1864	my $path = path $login;
1517		1865
1518	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1519	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1521	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1522	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1523	}	1872	}
1524		1873
…		…
1528		1877
1529	\@logins	1878	\@logins
1530	}	1879	}
1531		1880
1532	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1533		1884
1534	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1535	player. May block.	1886	player. May block.
1536		1887
1537	=cut	1888	=cut
…		…
1555	}	1906	}
1556		1907
1557	\@paths	1908	\@paths
1558	}	1909	}
1559		1910
1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1561		1912
1562	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1563
1564	=cut
1565
1566	use re 'eval';
1567
1568	my $group;
1569	my $interior; $interior = qr{
1570	# match a pod interior sequence sans C<< >>
1571	(?:
1572	\ (.*?)\ (?{ $group = $^N })
1573	| < (??{$interior}) >
1574	)
1575	}x;
1576
1577	sub expand_cfpod {
1578	my ($self, $pod) = @_;
1579
1580	my $xml;
1581
1582	while () {
1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584	$group = $1;
1585
1586	$group =~ s/&/&amp;/g;
1587	$group =~ s/</&lt;/g;
1588
1589	$xml .= $group;
1590	} elsif ($pod =~ m%\G
1591	([BCGHITU])
1592	<
1593	(?:
1594	([^<>]*) (?{ $group = $^N })
1595	| < $interior >
1596	)
1597	>
1598	%gcsx
1599	) {
1600	my ($code, $data) = ($1, $group);
1601
1602	if ($code eq "B") {
1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604	} elsif ($code eq "I") {
1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606	} elsif ($code eq "U") {
1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608	} elsif ($code eq "C") {
1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610	} elsif ($code eq "T") {
1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612	} elsif ($code eq "G") {
1613	my ($male, $female) = split /\|/, $data;
1614	$data = $self->gender ? $female : $male;
1615	$xml .= expand_cfpod ($self, $data);
1616	} elsif ($code eq "H") {
1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619	"")
1620	[$self->{hintmode}];
1621	} else {
1622	$xml .= "error processing '$code($data)' directive";
1623	}
1624	} else {
1625	if ($pod =~ /\G(.+)/) {
1626	warn "parse error while expanding $pod (at $1)";
1627	}
1628	last;
1629	}
1630	}
1631
1632	for ($xml) {
1633	# create single paragraphs (very hackish)
1634	s/(?<=\S)\n(?=\w)/ /g;
1635
1636	# compress some whitespace
1637	s/\s+\n/\n/g; # ws line-ends
1638	s/\n\n+/\n/g; # double lines
1639	s/^\n+//; # beginning lines
1640	s/\n+$//; # ending lines
1641	}
1642
1643	$xml
1644	}
1645
1646	no re 'eval';
1647
1648	sub hintmode {
1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1650	$_[0]{hintmode}
1651	}
1652
1653	=item $player->ext_reply ($msgid, @msg)
1654
1655	Sends an ext reply to the player.
1656
1657	=cut
1658
1659	sub ext_reply($$@) {
1660	my ($self, $id, @msg) = @_;
1661
1662	$self->ns->ext_reply ($id, @msg)
1663	}
1664		1914
1665	=item $player->ext_msg ($type, @msg)	1915	=item $player->ext_msg ($type, @msg)
1666		1916
1667	Sends an ext event to the client.	1917	Sends an ext event to the client.
1668		1918
…		…
1688		1938
1689	=cut	1939	=cut
1690		1940
1691	sub find_by_path($) {	1941	sub find_by_path($) {
1692	my ($path) = @_;	1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
1693		1945
1694	my ($match, $specificity);	1946	my ($match, $specificity);
1695		1947
1696	for my $region (list) {	1948	for my $region (list) {
1697	if ($region->{match} && $path =~ $region->{match}) {	1949	if ($region->{match} && $path =~ $region->{match}) {
…		…
1723	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1724	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1725		1977
1726	sub generate_random_map {	1978	sub generate_random_map {
1727	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1728	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1729	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1733	$rmp->{exit_on_final_map},
1734	$rmp->{xsize}, $rmp->{ysize},
1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1741	)
1742	}	1984	}
1743		1985
1744	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1745		1987
1746	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1751		1993
1752	sub register {	1994	sub register {
1753	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1754	my $pkg = caller;	1996	my $pkg = caller;
1755		1997
1756	no strict;
1757	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1758		1999
1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1760	}	2001	}
1761		2002
1762	# also paths starting with '/'	2003	# also paths starting with '/'
1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1764		2005
1765	sub thawer_merge {	2006	sub thawer_merge {
1766	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1767		2008
1768	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1773	}	2014	}
1774		2015
1775	sub normalise {	2016	sub normalise {
1776	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1777		2018
1778	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1779		2020
1780	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1781		2022
1782	# map plan:	2023	# map plan:
1783	#	2024	#
…		…
1798	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1799	$path = "$base/$path";	2040	$path = "$base/$path";
1800	}	2041	}
1801		2042
1802	for ($path) {	2043	for ($path) {
1803	redo if s{//}{/};
1804	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1805	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1806	}	2046	}
1807		2047
1808	$path	2048	$path
…		…
1822	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1823	return $self;	2063	return $self;
1824	}	2064	}
1825	}	2065	}
1826		2066
1827	Carp::cluck "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1828	()	2068	()
1829	}	2069	}
1830		2070
		2071	# may re-bless or do other evil things
1831	sub init {	2072	sub init {
1832	my ($self) = @_;	2073	my ($self) = @_;
1833		2074
1834	$self	2075	$self
1835	}	2076	}
…		…
1854		2095
1855	# the temporary/swap location	2096	# the temporary/swap location
1856	sub save_path {	2097	sub save_path {
1857	my ($self) = @_;	2098	my ($self) = @_;
1858		2099
1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1860	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1861	}	2102	}
1862		2103
1863	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1864	sub uniq_path {	2105	sub uniq_path {
1865	my ($self) = @_;	2106	my ($self) = @_;
1866		2107
1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1868	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1869	}
1870
1871	# and all this just because we cannot iterate over
1872	# all maps in C++...
1873	sub change_all_map_light {
1874	my ($change) = @_;
1875
1876	$_->change_map_light ($change)
1877	for grep $_->outdoor, values %cf::MAP;
1878	}	2110	}
1879		2111
1880	sub decay_objects {	2112	sub decay_objects {
1881	my ($self) = @_;	2113	my ($self) = @_;
1882		2114
…		…
1909	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1910		2142
1911	1	2143	1
1912	}	2144	}
1913		2145
		2146	# used to laod the header of an original map
1914	sub load_header_orig {	2147	sub load_header_orig {
1915	my ($self) = @_;	2148	my ($self) = @_;
1916		2149
1917	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1918	}	2151	}
1919		2152
		2153	# used to laod the header of an instantiated map
1920	sub load_header_temp {	2154	sub load_header_temp {
1921	my ($self) = @_;	2155	my ($self) = @_;
1922		2156
1923	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1924	}	2158	}
1925		2159
		2160	# called after loading the header from an instantiated map
1926	sub prepare_temp {	2161	sub prepare_temp {
1927	my ($self) = @_;	2162	my ($self) = @_;
1928		2163
1929	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1930	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1931	# safety	2166	# safety
1932	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1933	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1934	}	2169	}
1935		2170
		2171	# called after loading the header from an original map
1936	sub prepare_orig {	2172	sub prepare_orig {
1937	my ($self) = @_;	2173	my ($self) = @_;
1938		2174
1939	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1940	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1964		2200
1965	sub find;	2201	sub find;
1966	sub find {	2202	sub find {
1967	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1968		2204
		2205	cf::cede_to_tick;
		2206
1969	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1970		2208
1971	cf::lock_wait "map_data:$path";#d#remove	2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1972	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1973		2211
1974	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1975	my $guard1 = cf::lock_acquire "map_find:$path";
1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1978	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1979	or return;	2214	or return;
1980		2215
1981	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1982		2217
…		…
1984	or return;	2219	or return;
1985		2220
1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1987	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1988	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
1989	undef $guard1;	2225	undef $guard1;
1990	undef $guard2;
1991	$map->reset;	2226	$map->reset;
1992	return find $path;	2227	return find $path;
1993	}	2228	}
1994		2229
1995	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1996	}	2231	}
1997	}	2232	}
1998		2233
1999	sub pre_load { }	2234	sub pre_load { }
2000	sub post_load { }	2235	#sub post_load { } # XS
2001		2236
2002	sub load {	2237	sub load {
2003	my ($self) = @_;	2238	my ($self) = @_;
2004		2239
2005	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2008		2243
2009	{	2244	{
2010	my $guard = cf::lock_acquire "map_data:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
2011		2246
2012	return unless $self->valid;	2247	return unless $self->valid;
2013	return unless $self->in_memory == cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
2014
2015	$self->in_memory (cf::MAP_LOADING);
2016		2249
2017	$self->alloc;	2250	$self->alloc;
2018		2251
2019	$self->pre_load;	2252	$self->pre_load;
2020	cf::cede_to_tick;	2253	cf::cede_to_tick;
2021		2254
		2255	if (exists $self->{load_path}) {
2022	my $f = new_from_file cf::object::thawer $self->{load_path};	2256	my $f = new_from_file cf::object::thawer $self->{load_path};
2023	$f->skip_block;	2257	$f->skip_block;
2024	$self->_load_objects ($f)	2258	$self->_load_objects ($f)
2025	or return;	2259	or return;
2026		2260
2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
2028	if delete $self->{load_original};	2262	if delete $self->{load_original};
2029		2263
2030	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
2031	utf8::encode $uniq;	2265	utf8::encode $uniq;
2032	unless (aio_stat $uniq) {	2266	unless (aio_stat $uniq) {
2033	if (my $f = new_from_file cf::object::thawer $uniq) {	2267	if (my $f = new_from_file cf::object::thawer $uniq) {
2034	$self->clear_unique_items;	2268	$self->clear_unique_items;
2035	$self->_load_objects ($f);	2269	$self->_load_objects ($f);
2036	$f->resolve_delayed_derefs;	2270	$f->resolve_delayed_derefs;
		2271	}
2037	}	2272	}
2038	}	2273	}
2039	}
2040		2274
2041	$f->resolve_delayed_derefs;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
2042		2282
2043	cf::cede_to_tick;	2283	cf::cede_to_tick;
2044	# now do the right thing for maps	2284	# now do the right thing for maps
2045	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
2046	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
…		…
2050	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
2051	$self->decay_objects;	2291	$self->decay_objects;
2052	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
2053	$self->update_buttons;	2293	$self->update_buttons;
2054	cf::cede_to_tick;	2294	cf::cede_to_tick;
2055	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
2056	cf::cede_to_tick;
2057	$self->activate;
2058	}	2296	}
2059		2297
2060	$self->{last_save} = $cf::RUNTIME;	2298	$self->{last_save} = $cf::RUNTIME;
2061	$self->last_access ($cf::RUNTIME);	2299	$self->last_access ($cf::RUNTIME);
2062
2063	$self->in_memory (cf::MAP_IN_MEMORY);
2064	}	2300	}
2065		2301
2066	$self->post_load;	2302	$self->post_load;
2067	}
2068		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
2069	sub customise_for {	2310	sub customise_for {
2070	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
2071		2312
2072	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
2073	if $self->per_player;	2314	if $self->per_player;
…		…
2076	# if $self->per_party;	2317	# if $self->per_party;
2077		2318
2078	$self	2319	$self
2079	}	2320	}
2080		2321
2081	# find and load all maps in the 3x3 area around a map
2082	sub load_neighbours {
2083	my ($map) = @_;
2084
2085	my @neigh; # diagonal neighbours
2086
2087	for (0 .. 3) {
2088	my $neigh = $map->tile_path ($_)
2089	or next;
2090	$neigh = find $neigh, $map
2091	or next;
2092	$neigh->load;
2093
2094	push @neigh,
2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2097	}
2098
2099	for (grep defined $_->[0], @neigh) {
2100	my ($path, $origin) = @$_;
2101	my $neigh = find $path, $origin
2102	or next;
2103	$neigh->load;
2104	}
2105	}
2106
2107	sub find_sync {	2322	sub find_sync {
2108	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
2109		2324
2110	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
2111	}	2330	}
2112		2331
2113	sub do_load_sync {	2332	sub do_load_sync {
2114	my ($map) = @_;	2333	my ($map) = @_;
2115		2334
		2335	# it's a bug to call this from the main context
2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2117	if $Coro::current == $Coro::main;	2337	if $Coro::current == $Coro::main;
2118		2338
2119	cf::sync_job { $map->load };	2339	$map->load;
2120	}	2340	}
2121		2341
2122	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
2123	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
2124		2344
2125	sub find_async {	2345	sub find_async {
2126	my ($path, $origin, $load) = @_;	2346	my ($path, $origin, $load) = @_;
2127		2347
2128	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
2129		2349
2130	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
2132	}	2352	}
2133		2353
2134	$MAP_PREFETCH{$path} |= $load;	2354	$MAP_PREFETCH{$path} |= $load;
2135		2355
2136	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
…		…
2150	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
2151		2371
2152	()	2372	()
2153	}	2373	}
2154		2374
		2375	# common code, used by both ->save and ->swapout
2155	sub save {	2376	sub _save {
2156	my ($self) = @_;	2377	my ($self) = @_;
2157
2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
2159		2378
2160	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
2161		2380
2162	return unless $self->dirty;	2381	return unless $self->dirty;
2163		2382
…		…
2172		2391
2173	cf::async {	2392	cf::async {
2174	$Coro::current->{desc} = "map player save";	2393	$Coro::current->{desc} = "map player save";
2175	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
2176	};	2395	};
		2396
		2397	cf::get_slot 0.02;
2177		2398
2178	if ($uniq) {	2399	if ($uniq) {
2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2181	} else {	2402	} else {
2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2183	}	2404	}
2184	}	2405	}
2185		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
2186	sub swap_out {	2415	sub swap_out {
2187	my ($self) = @_;	2416	my ($self) = @_;
2188		2417
2189	# save first because save cedes
2190	$self->save;
2191
2192	my $lock = cf::lock_acquire "map_data:$self->{path}";	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
2193		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
2194	return if $self->players;	2422	return if $self->players;
2195	return if $self->in_memory != cf::MAP_IN_MEMORY;	2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
		2433	$self->clear;
		2434	}
		2435
		2436	sub reset_at {
		2437	my ($self) = @_;
		2438
		2439	# TODO: safety, remove and allow resettable per-player maps
2196	return if $self->{deny_save};	2440	return 1e99 if $self->{deny_reset};
2197		2441
		2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2444
		2445	$time + $to
		2446	}
		2447
		2448	sub should_reset {
		2449	my ($self) = @_;
		2450
		2451	$self->reset_at <= $cf::RUNTIME
		2452	}
		2453
		2454	sub reset {
		2455	my ($self) = @_;
		2456
		2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2458
		2459	return if $self->players;
		2460
		2461	cf::trace "resetting map ", $self->path, "\n";
		2462
2198	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
		2464
		2465	# need to save uniques path
		2466	unless ($self->{deny_save}) {
		2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2468
		2469	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2470	if $uniq;
		2471	}
		2472
		2473	delete $cf::MAP{$self->path};
2199		2474
2200	$self->deactivate;	2475	$self->deactivate;
2201	$_->clear_links_to ($self) for values %cf::MAP;	2476	$_->clear_links_to ($self) for values %cf::MAP;
2202	$self->clear;	2477	$self->clear;
2203	}
2204
2205	sub reset_at {
2206	my ($self) = @_;
2207
2208	# TODO: safety, remove and allow resettable per-player maps
2209	return 1e99 if $self->{deny_reset};
2210
2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2213
2214	$time + $to
2215	}
2216
2217	sub should_reset {
2218	my ($self) = @_;
2219
2220	$self->reset_at <= $cf::RUNTIME
2221	}
2222
2223	sub reset {
2224	my ($self) = @_;
2225
2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2227
2228	return if $self->players;
2229
2230	warn "resetting map ", $self->path;
2231
2232	$self->in_memory (cf::MAP_SWAPPED);
2233
2234	# need to save uniques path
2235	unless ($self->{deny_save}) {
2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
2237
2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2239	if $uniq;
2240	}
2241
2242	delete $cf::MAP{$self->path};
2243
2244	$self->deactivate;
2245	$_->clear_links_to ($self) for values %cf::MAP;
2246	$self->clear;
2247		2478
2248	$self->unlink_save;	2479	$self->unlink_save;
2249	$self->destroy;	2480	$self->destroy;
2250	}	2481	}
2251		2482
…		…
2259		2490
2260	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
2261		2492
2262	$self->unlink_save;	2493	$self->unlink_save;
2263		2494
2264	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
2265	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
2266	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
2267	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2269		2500
…		…
2318		2549
2319	sub unique_maps() {	2550	sub unique_maps() {
2320	[	2551	[
2321	map {	2552	map {
2322	utf8::decode $_;	2553	utf8::decode $_;
2323	/\.map$/	2554	s/\.map$//; # TODO future compatibility hack
		2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2556	? ()
2324	? normalise $_	2557	: normalise $_
2325	: ()
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2559	]
2328	}	2560	}
2329		2561
2330	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
2331		2593
2332	=back	2594	=back
2333		2595
2334	=head3 cf::object	2596	=head3 cf::object
2335		2597
…		…
2339		2601
2340	=over 4	2602	=over 4
2341		2603
2342	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
2343		2605
2344	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
2345		2608
2346	=cut	2609	=cut
2347		2610
2348	sub inv_recursive_;	2611	sub inv_recursive_;
2349	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
2354	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
2355	}	2618	}
2356		2619
2357	=item $ref = $ob->ref	2620	=item $ref = $ob->ref
2358		2621
2359	creates and returns a persistent reference to an objetc that can be stored as a string.	2622	Creates and returns a persistent reference to an object that can be stored as a string.
2360		2623
2361	=item $ob = cf::object::deref ($refstring)	2624	=item $ob = cf::object::deref ($refstring)
2362		2625
2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2364	even if the object actually exists. May block.	2627	even if the object actually exists. May block.
…		…
2396	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
2397	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
2398		2661
2399	=cut	2662	=cut
2400		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
		2677
2401	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
2402	# with dialog boxes.	2679	# with dialog boxes.
2403	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
2404	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
2405	my ($self, $npc, $msg, $flags) = @_;	2682	my ($self, $npc, $msg, $flags) = @_;
…		…
2416	my $dialog = $pl->{npc_dialog};	2693	my $dialog = $pl->{npc_dialog};
2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418		2695
2419	} else {	2696	} else {
2420	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
2421	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422	}	2699	}
2423	}	2700	}
2424	}	2701	}
2425		2702
2426	=item $object->send_msg ($channel, $msg, $color, [extra...])	2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2451		2728
2452	=item $player_object->enter_link	2729	=item $player_object->enter_link
2453		2730
2454	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2455		2732
2456	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2457	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2458		2737
2459	Will never block.	2738	Will never block.
2460		2739
2461	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2462		2741
…		…
2482	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2483	my ($self) = @_;	2762	my ($self) = @_;
2484		2763
2485	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2486		2765
		2766	++$self->{_link_recursion};
		2767
2487	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2488		2769
2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2490	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2491		2772
2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2493	}	2774	}
2494		2775
2495	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2496	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2497		2778
…		…
2514	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2515	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2516		2797
2517	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2518	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2519	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2520		2801
2521	$map->load;	2802	$map->load;
2522	$map->load_neighbours;
2523		2803
2524	return unless $self->contr->active;	2804	return unless $self->contr->active;
2525	$self->activate_recursive;
2526		2805
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2529	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2530		2813
		2814	}
		2815
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2817
2533	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2821	the new (success) or old (failed) map position. In either case, $done will
2537	be called at the end of this process.	2822	be called at the end of this process.
2538		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
2539	=cut	2827	=cut
2540		2828
2541	our $GOTOGEN;	2829	our $GOTOGEN;
2542		2830
2543	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2544	my ($self, $path, $x, $y, $check, $done) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
2545		2839
2546	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2842
2549	$self->enter_link;	2843	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2863	($path, $x, $y) = (undef, undef, undef);
2570	}	2864	}
2571	}	2865	}
2572		2866
2573	my $map = eval {	2867	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2869
2576	if ($map) {	2870	if ($map) {
2577	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2873	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2875	}
2582		2876
2583	$map	2877	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2594	}	2888	}
2595		2889
2596	$done->() if $done;	2890	$done->($self) if $done;
2597	})->prio (1);	2891	})->prio (1);
2598	}	2892	}
2599		2893
2600	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2601		2895
…		…
2621	}	2915	}
2622		2916
2623	sub prepare_random_map {	2917	sub prepare_random_map {
2624	my ($exit) = @_;	2918	my ($exit) = @_;
2625		2919
2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
2627
2628	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2629	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2630	# that depends on the exit object	2922	# that depends on the exit object
2631		2923
2632	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2634	if ($exit->map) {	2926	if ($exit->map) {
2635	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2636	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2637	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2638	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2639	}	2933	}
2640		2934
2641	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2642		2936
2643	my $data = cf::encode_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2644	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2645	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2646		2940
2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2648	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2649	undef $fh;	2943	undef $fh;
2650	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2651		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2652	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2653	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2654	}	2952	}
2655	}	2953	}
2656		2954
2657	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2658	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2659		2957
2660	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2661		2959
2662	if ($exit->slaying eq "/!") {
2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
2664	# the problem is that $exit might not survive long enough
2665	# so it needs to be done right now, right here
2666	cf::sync_job { prepare_random_map $exit };
2667	}
2668
2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2670	my $hp = $exit->stats->hp;
2671	my $sp = $exit->stats->sp;
2672
2673	$self->enter_link;	2960	$self->enter_link;
2674		2961
2675	# if exit is damned, update players death & WoR home-position
2676	$self->contr->savebed ($slaying, $hp, $sp)
2677	if $exit->flag (FLAG_DAMNED);
2678
2679	(async {	2962	(async {
2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2963	$Coro::current->{desc} = "enter_exit";
2681		2964
2682	$self->deactivate_recursive; # just to be sure
2683	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2684	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2685		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2686	1;	3001	1
2687	}) {	3002	}) {
2688	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2689	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2690	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2691	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2692		3007
2693	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2694	$self->leave_link;	3009	$self->leave_link;
2695	}	3010	}
2696	})->prio (1);	3011	})->prio (1);
2697	}	3012	}
2698		3013
…		…
2710	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
2711	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
2712		3027
2713	utf8::encode $text;	3028	utf8::encode $text;
2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3030	}
		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
2715	}	3055	}
2716		3056
2717	=item $client->send_msg ($channel, $msg, $color, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2718		3058
2719	Send a drawinfo or msg packet to the client, formatting the msg for the	3059	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2723		3063
2724	=cut	3064	=cut
2725		3065
2726	# non-persistent channels (usually the info channel)	3066	# non-persistent channels (usually the info channel)
2727	our %CHANNEL = (	3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
2728	"c/identify" => {	3074	"c/identify" => {
2729	id => "infobox",	3075	id => "infobox",
2730	title => "Identify",	3076	title => "Identify",
2731	reply => undef,	3077	reply => undef,
2732	tooltip => "Items recently identified",	3078	tooltip => "Items recently identified",
…		…
2734	"c/examine" => {	3080	"c/examine" => {
2735	id => "infobox",	3081	id => "infobox",
2736	title => "Examine",	3082	title => "Examine",
2737	reply => undef,	3083	reply => undef,
2738	tooltip => "Signs and other items you examined",	3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
2739	},	3091	},
2740	"c/book" => {	3092	"c/book" => {
2741	id => "infobox",	3093	id => "infobox",
2742	title => "Book",	3094	title => "Book",
2743	reply => undef,	3095	reply => undef,
…		…
2759	id => "infobox",	3111	id => "infobox",
2760	title => "Body Parts",	3112	title => "Body Parts",
2761	reply => undef,	3113	reply => undef,
2762	tooltip => "Shows which body parts you posess and are available",	3114	tooltip => "Shows which body parts you posess and are available",
2763	},	3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
2764	"c/uptime" => {	3152	"c/uptime" => {
2765	id => "infobox",	3153	id => "infobox",
2766	title => "Uptime",	3154	title => "Uptime",
2767	reply => undef,	3155	reply => undef,
2768	tooltip => "How long the server has been running since last restart",	3156	tooltip => "How long the server has been running since last restart",
…		…
2771	id => "infobox",	3159	id => "infobox",
2772	title => "Map Info",	3160	title => "Map Info",
2773	reply => undef,	3161	reply => undef,
2774	tooltip => "Information related to the maps",	3162	tooltip => "Information related to the maps",
2775	},	3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
2776	);	3178	);
2777		3179
2778	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2779	my ($self, $channel, $msg, $color, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2780		3182
2781	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
2782		3185
2783	$color &= cf::NDI_CLIENT_MASK; # just in case...	3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
2784		3187
2785	# check predefined channels, for the benefit of C	3188	# check predefined channels, for the benefit of C
2786	if ($CHANNEL{$channel}) {	3189	if ($CHANNEL{$channel}) {
2787	$channel = $CHANNEL{$channel};	3190	$channel = $CHANNEL{$channel};
2788		3191
2789	$self->ext_msg (channel_info => $channel)	3192	$self->ext_msg (channel_info => $channel);
2790	if $self->can_msg;
2791
2792	$channel = $channel->{id};	3193	$channel = $channel->{id};
2793		3194
2794	} elsif (ref $channel) {	3195	} elsif (ref $channel) {
2795	# send meta info to client, if not yet sent	3196	# send meta info to client, if not yet sent
2796	unless (exists $self->{channel}{$channel->{id}}) {	3197	unless (exists $self->{channel}{$channel->{id}}) {
2797	$self->{channel}{$channel->{id}} = $channel;	3198	$self->{channel}{$channel->{id}} = $channel;
2798	$self->ext_msg (channel_info => $channel)	3199	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800	}	3200	}
2801		3201
2802	$channel = $channel->{id};	3202	$channel = $channel->{id};
2803	}	3203	}
2804		3204
2805	return unless @extra || length $msg;	3205	return unless @extra || length $msg;
2806		3206
2807	if ($self->can_msg) {
2808	# default colour, mask it out	3207	# default colour, mask it out
2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810	if $color & cf::NDI_DEF;	3209	if $color & cf::NDI_DEF;
2811		3210
2812	$self->send_packet ("msg " . $self->{json_coder}->encode (	3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2814	} else {	3214	);
2815	if ($color >= 0) {
2816	# replace some tags by gcfclient-compatible ones
2817	for ($msg) {
2818	1 while
2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824	}
2825		3215
2826	$color &= cf::NDI_COLOR_MASK;	3216	$self->send_big_packet ($pkt);
2827
2828	utf8::encode $msg;
2829
2830	if (0 && $msg =~ /\[/) {
2831	# COMMAND/INFO
2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2833	} else {
2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835	$self->send_packet ("drawinfo $color $msg")
2836	}
2837	}
2838	}
2839	}	3217	}
2840		3218
2841	=item $client->ext_msg ($type, @msg)	3219	=item $client->ext_msg ($type, @msg)
2842		3220
2843	Sends an ext event to the client.	3221	Sends an ext event to the client.
…		…
2845	=cut	3223	=cut
2846		3224
2847	sub cf::client::ext_msg($$@) {	3225	sub cf::client::ext_msg($$@) {
2848	my ($self, $type, @msg) = @_;	3226	my ($self, $type, @msg) = @_;
2849		3227
2850	if ($self->extcmd == 2) {
2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852	} elsif ($self->extcmd == 1) { # TODO: remove
2853	push @msg, msgtype => "event_$type";
2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855	}
2856	}
2857
2858	=item $client->ext_reply ($msgid, @msg)
2859
2860	Sends an ext reply to the client.
2861
2862	=cut
2863
2864	sub cf::client::ext_reply($$@) {
2865	my ($self, $id, @msg) = @_;
2866
2867	if ($self->extcmd == 2) {
2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869	} elsif ($self->extcmd == 1) {
2870	#TODO: version 1, remove
2871	unshift @msg, msgtype => "reply", msgid => $id;
2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873	}
2874	}	3229	}
2875		3230
2876	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2877		3232
2878	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
…		…
2933	my ($ns, $buf) = @_;	3288	my ($ns, $buf) = @_;
2934		3289
2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2936		3291
2937	if (ref $msg) {	3292	if (ref $msg) {
2938	my ($type, $reply, @payload) =	3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2939	"ARRAY" eq ref $msg
2940	? @$msg
2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2942		3294
2943	my @reply;	3295	my @reply;
2944		3296
2945	if (my $cb = $EXTICMD{$type}) {	3297	if (my $cb = $EXTICMD{$type}) {
2946	@reply = $cb->($ns, @payload);	3298	@reply = $cb->($ns, @payload);
2947	}	3299	}
2948		3300
2949	$ns->ext_reply ($reply, @reply)	3301	$ns->ext_msg ("reply-$reply", @reply)
2950	if $reply;	3302	if $reply;
2951		3303
2952	} else {	3304	} else {
2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2954	}	3306	}
2955		3307
2956	cf::override;	3308	cf::override;
2957	},	3309	},
2958	);	3310	);
…		…
2978		3330
2979	$coro	3331	$coro
2980	}	3332	}
2981		3333
2982	cf::client->attach (	3334	cf::client->attach (
2983	on_destroy => sub {	3335	on_client_destroy => sub {
2984	my ($ns) = @_;	3336	my ($ns) = @_;
2985		3337
2986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2987	},	3339	},
2988	);	3340	);
…		…
3004	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
3005		3357
3006	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
3007		3359
3008	$safe->permit_only (Opcode::opset qw(	3360	$safe->permit_only (Opcode::opset qw(
3009	:base_core :base_mem :base_orig :base_math	3361	:base_core :base_mem :base_orig :base_math :base_loop
3010	grepstart grepwhile mapstart mapwhile	3362	grepstart grepwhile mapstart mapwhile
3011	sort time	3363	sort time
3012	));	3364	));
3013		3365
3014	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
…		…
3017		3369
3018	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
3019		3371
3020	cf::object	3372	cf::object
3021	contr pay_amount pay_player map x y force_find force_add destroy	3373	contr pay_amount pay_player map x y force_find force_add destroy
3022	insert remove name archname title slaying race decrease_ob_nr	3374	insert remove name archname title slaying race decrease split
		3375	value
3023		3376
3024	cf::object::player	3377	cf::object::player
3025	player	3378	player
3026		3379
3027	cf::player	3380	cf::player
…		…
3032		3385
3033	=cut	3386	=cut
3034		3387
3035	for (	3388	for (
3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037	insert remove inv name archname title slaying race	3390	insert remove inv nrof name archname title slaying race
3038	decrease_ob_nr destroy)],	3391	decrease split destroy change_exp value msg lore send_msg)],
3039	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
3040	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
3041	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
3042	) {	3395	) {
3043	no strict 'refs';
3044	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
3045	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3046	for @funs;	3398	for @funs;
3047	}	3399	}
3048		3400
…		…
3063		3415
3064	my $qcode = $code;	3416	my $qcode = $code;
3065	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3066	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
3067		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
3068	local $_;	3423	local $_;
3069	local @safe::cf::_safe_eval_args = values %vars;
3070		3424
3071	my $eval =	3425	my $eval =
3072	"do {\n"	3426	"do {\n"
3073	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3074	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
3075	. $code	3429	. $code
3076	. "\n}"	3430	. "\n}"
3077	;	3431	;
3078		3432
		3433	if ($CFG{safe_eval}) {
3079	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
3080	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3081	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
3082		3442
3083	if ($@) {	3443	if ($@) {
3084	warn "$@";	3444	warn "$@",
3085	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
3086	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
3087	}	3447	}
3088		3448
3089	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
3090	}	3450	}
3091		3451
…		…
3105	=cut	3465	=cut
3106		3466
3107	sub register_script_function {	3467	sub register_script_function {
3108	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
3109		3469
3110	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
3111	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
3112	}	3472	}
3113		3473
3114	=back	3474	=back
3115		3475
3116	=cut	3476	=cut
3117		3477
3118	#############################################################################	3478	#############################################################################
3119	# the server's init and main functions	3479	# the server's init and main functions
		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
3120		3504
3121	sub load_facedata($) {	3505	sub load_facedata($) {
3122	my ($path) = @_;	3506	my ($path) = @_;
3123		3507
3124	# HACK to clear player env face cache, we need some signal framework	3508	# HACK to clear player env face cache, we need some signal framework
3125	# for this (global event?)	3509	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3510	%ext::player_env::MUSIC_FACE_CACHE = ();
3127		3511
3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129		3513
3130	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
3131		3515
3132	my $facedata;	3516	my $facedata = decode_storable load_file $path;
3133	0 < aio_load $path, $facedata
3134	or die "$path: $!";
3135
3136	$facedata = Coro::Storable::thaw $facedata;
3137		3517
3138	$facedata->{version} == 2	3518	$facedata->{version} == 2
3139	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
3140		3520
3141	# patch in the exptable
3142	$facedata->{resource}{"res/exp_table"} = {
3143	type => FT_RSRC,
3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3145	};
3146	cf::cede_to_tick;	3521	cf::cede_to_tick;
3147		3522
3148	{	3523	{
3149	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
3150		3525
3151	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
3153	cf::face::set_visibility $idx, $info->{visibility};	3530	cf::face::set_visibility $idx, $info->{visibility};
3154	cf::face::set_magicmap $idx, $info->{magicmap};	3531	cf::face::set_magicmap $idx, $info->{magicmap};
3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
3157		3536
3158	cf::cede_to_tick;	3537	cf::cede_to_tick;
3159	}	3538	}
3160		3539
3161	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
3162	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
3163	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
3164	or next;	3544	or next;
		3545
3165	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
3166	cf::face::set_smooth $idx, $smooth;	3547	cf::face::set_smooth $idx, $smooth;
3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168	} else {	3549	} else {
3169	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
3170	}	3551	}
3171		3552
3172	cf::cede_to_tick;	3553	cf::cede_to_tick;
3173	}	3554	}
3174	}	3555	}
…		…
3183		3564
3184	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
3185	}	3566	}
3186		3567
3187	{	3568	{
3188	# TODO: for gcfclient pleasure, we should give resources
3189	# that gcfclient doesn't grok a >10000 face index.
3190	my $res = $facedata->{resource};	3569	my $res = $facedata->{resource};
3191		3570
3192	my $soundconf = delete $res->{"res/sound.conf"};
3193
3194	while (my ($name, $info) = each %$res) {	3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196	my $data;
3197		3575
3198	if ($info->{type} & 1) {	3576	cf::face::set_type $idx, $type;
3199	# prepend meta info	3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3200		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3201	my $meta = $enc->encode ({	3579	$FACEHASH{$info->{hash}} = $idx;#d#
3202	name => $name,
3203	%{ $info->{meta} || {} },
3204	});
3205
3206	$data = pack "(w/a*)*", $meta, $info->{data};
3207	} else {	3580	} else {
3208	$data = $info->{data};	3581	# $RESOURCE{$name} = $info; # unused
3209	}	3582	}
3210		3583
3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212	cf::face::set_type $idx, $info->{type};
3213
3214	cf::cede_to_tick;	3584	cf::cede_to_tick;
3215	}	3585	}
3216
3217	if ($soundconf) {
3218	$soundconf = $enc->decode (delete $soundconf->{data});
3219
3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221	my $sound = $soundconf->{compat}[$_]
3222	or next;
3223
3224	my $face = cf::face::find "sound/$sound->[1]";
3225	cf::sound::set $sound->[0] => $face;
3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227	}
3228
3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
3230	my $face = cf::face::find "sound/$v";
3231	cf::sound::set $k => $face;
3232	}
3233	}
3234	}	3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3235		3589
3236	1	3590	1
3237	}	3591	}
3238		3592
3239	register_exticmd fx_want => sub {	3593	register_exticmd fx_want => sub {
…		…
3241		3595
3242	while (my ($k, $v) = each %$want) {	3596	while (my ($k, $v) = each %$want) {
3243	$ns->fx_want ($k, $v);	3597	$ns->fx_want ($k, $v);
3244	}	3598	}
3245	};	3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
3246		3623
3247	sub reload_regions {	3624	sub reload_regions {
3248	# HACK to clear player env face cache, we need some signal framework	3625	# HACK to clear player env face cache, we need some signal framework
3249	# for this (global event?)	3626	# for this (global event?)
3250	%ext::player_env::MUSIC_FACE_CACHE = ();	3627	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3264	}	3641	}
3265		3642
3266	sub reload_archetypes {	3643	sub reload_archetypes {
3267	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
3268	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
3269	#d# NEED to laod twice to resolve forward references	3646
3270	# this really needs to be done in an extra post-pass	3647	add_face "res/skill_info" => FT_RSRC,
3271	# (which needs to be synchronous, so solve it differently)	3648	JSON::XS->new->utf8->canonical->encode (
3272	load_resource_file "$DATADIR/archetypes"	3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3273	or die "unable to load archetypes\n";	3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
3274	}	3655	}
3275		3656
3276	sub reload_treasures {	3657	sub reload_treasures {
3277	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
3278	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
3279	}	3660	}
3280		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
3281	sub reload_resources {	3744	sub reload_resources {
3282	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
3283		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
3284	reload_regions;	3752	reload_regions;
3285	reload_facedata;
3286	#reload_archetypes;#d#
3287	reload_archetypes;
3288	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
3289		3755
3290	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
3291	}
3292
3293	sub init {
3294	reload_resources;
3295	}	3757	}
3296		3758
3297	sub reload_config {	3759	sub reload_config {
3298	open my $fh, "<:utf8", "$CONFDIR/config"	3760	trace "reloading config file...\n";
3299	or return;
3300		3761
3301	local $/;	3762	my $config = load_file "$CONFDIR/config";
3302	*CFG = YAML::Syck::Load <$fh>;	3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
3303		3765
3304	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3305		3767
3306	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3307	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3308		3770
3309	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
3313	};	3775	};
3314	warn $@ if $@;	3776	warn $@ if $@;
3315	}	3777	}
3316	}	3778	}
3317		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
3318	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
3319	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
3320	local $Coro::idle = sub {	3819	$Coro::idle = sub {
3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3322	(async {	3821	(async {
3323	$Coro::current->{desc} = "IDLE BUG HANDLER";	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
3324	EV::loop EV::LOOP_ONESHOT;	3823	EV::loop EV::LOOP_ONESHOT;
3325	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
3326	};	3825	};
3327		3826
		3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
		3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
3328	reload_config;	3841	reload_config;
3329	db_init;	3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
3330	load_extensions;	3851	load_extensions;
3331		3852
3332	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3854
3334	EV::loop;	3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
3335	}	3870	}
3336		3871
3337	#############################################################################	3872	#############################################################################
3338	# initialisation and cleanup	3873	# initialisation and cleanup
3339		3874
3340	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
3341	BEGIN {	3876	BEGIN {
3342	our %SIGWATCHER = ();	3877	our %SIGWATCHER = ();
3343	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3345	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
3346	};	3881	};
3347	}	3882	}
3348	}	3883	}
3349		3884
3350	sub write_runtime {	3885	sub write_runtime_sync {
3351	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
3352		3887
3353	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
3354	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
3355		3890
3356	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3357		3892
3358	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
3359		3894
3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3361	or return;	3896	or return;
3362		3897
3363	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
3364	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
3365	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
3375	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
3376		3911
3377	close $fh	3912	close $fh
3378	or return;	3913	or return;
3379		3914
3380	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3381	and return;	3916	and return;
3382		3917
3383	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3384		3919
3385	1	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
3386	}	3971	}
3387		3972
3388	sub emergency_save() {	3973	sub emergency_save() {
3389	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
3390		3975
3391	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
3392		3982
3393	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
3394	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
3395	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
3396	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
3397	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
3398	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
3399	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
3400	$pl->valid or next;	3992	$pl->valid or next;
3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3402	$pl->save;	3994	$pl->save;
3403	}	3995	}
3404	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
3405		3997
3406	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
3407	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
3408	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
3409	$map->valid or next;	4003	$map->valid or next;
3410	$map->save;	4004	$map->save;
3411	}	4005	}
3412	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
3413		4007
3414	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
3415	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
3416	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
3417	};	4036	};
3418		4037
3419	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
3420	}	4039	}
3421		4040
3422	sub post_cleanup {	4041	sub post_cleanup {
3423	my ($make_core) = @_;	4042	my ($make_core) = @_;
3424		4043
		4044	IO::AIO::flush;
		4045
3425	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
3426	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
3427	}	4076	}
3428		4077
3429	sub do_reload_perl() {	4078	sub do_reload_perl() {
3430	# can/must only be called in main	4079	# can/must only be called in main
3431	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
3432	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
3433	return;	4082	return;
3434	}	4083	}
3435		4084
3436	warn "reloading...";	4085	return if $RELOAD++;
3437		4086
3438	warn "entering sync_job";	4087	my $t1 = AE::time;
3439		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
3440	cf::sync_job {	4095	cf::sync_job {
3441	cf::write_runtime; # external watchdog should not bark
3442	cf::emergency_save;	4096	#cf::emergency_save;
3443	cf::write_runtime; # external watchdog should not bark
3444		4097
3445	warn "syncing database to disk";
3446	BDB::db_env_txn_checkpoint $DB_ENV;
3447
3448	# if anything goes wrong in here, we should simply crash as we already saved
3449
3450	warn "flushing outstanding aio requests";
3451	for (;;) {
3452	BDB::flush;
3453	IO::AIO::flush;
3454	Coro::cede_notself;
3455	last unless IO::AIO::nreqs || BDB::nreqs;
3456	warn "iterate...";
3457	}
3458
3459	++$RELOAD;
3460
3461	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
3462	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
3463	%EXT_CORO = ();	4100	%EXT_CORO = ();
3464		4101
3465	warn "removing commands";	4102	trace "perl_reload: removing commands";
3466	%COMMAND = ();	4103	%COMMAND = ();
3467		4104
3468	warn "removing ext/exti commands";	4105	trace "perl_reload: removing ext/exti commands";
3469	%EXTCMD = ();	4106	%EXTCMD = ();
3470	%EXTICMD = ();	4107	%EXTICMD = ();
3471		4108
3472	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
3473	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
3474	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
3475		4112
3476	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
3477	eval {	4114	eval {
3478	$cb->($pkg);	4115	$cb->($pkg);
3479	1	4116	1
3480	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
3481	}	4122	}
3482		4123
3483	warn "... nuking $pkg";
3484	Symbol::delete_package $pkg;
3485	}
3486
3487	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3488	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3490		4127
3491	warn "... unloading $k";	4128	trace "... unloading $k";
3492	delete $INC{$k};	4129	delete $INC{$k};
3493		4130
3494	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
3495	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
3496		4133
3497	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
3498	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
3499	}	4139	}
3500		4140
3501	Symbol::delete_package $k;
3502	}
3503
3504	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
3505	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3507		4144
3508	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
3509	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
3510	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3511		4148
3512	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
3513	# and global variables created in xs	4150	# and global variables created in xs
3514	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
3515		4152
3516	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
3517		4154
3518	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
3519	require cf;	4156	require cf;
3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
3521		4158
3522	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
3523	cf::reload_config;	4160	cf::reload_config;
3524		4161
3525	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
3526	cf::load_extensions;	4163	cf::load_extensions;
3527		4164
		4165	if ($REATTACH_ON_RELOAD) {
3528	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
3529	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
3530	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
3531	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
3532	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
3533	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
3534		4173
3535	warn "leaving sync_job";	4174	cf::_post_init 1;
3536		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
3537	1	4178	1
3538	} or do {	4179	} or do {
3539	warn $@;	4180	error $@;
3540	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
3541	exit 1;	4182	};
		4183
		4184	--$RELOAD;
3542	};	4185	}
3543		4186
3544	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
3545	};	4189	};
3546		4190
3547	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
3548		4192
3549	sub reload_perl() {	4193	sub reload_perl() {
3550	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
3551	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
3552		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4201	do_reload_perl;
3554	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
3555	do_reload_perl;	4203	};
3556	};	4204	};
3557	}	4205	}
3558		4206
3559	register_command "reload" => sub {	4207	register_command "reload" => sub {
3560	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
…		…
3566	reload_perl;	4214	reload_perl;
3567	};	4215	};
3568	}	4216	}
3569	};	4217	};
3570		4218
3571	unshift @INC, $LIBDIR;	4219	#############################################################################
3572		4220
3573	my $bug_warning = 0;	4221	my $bug_warning = 0;
3574		4222
3575	our @WAIT_FOR_TICK;
3576	our @WAIT_FOR_TICK_BEGIN;
3577
3578	sub wait_for_tick {	4223	sub wait_for_tick() {
3579	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3580	return if $Coro::current == $Coro::main;
3581		4225
3582	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
3583	push @WAIT_FOR_TICK, $signal;
3584	$signal->wait;
3585	}	4227	}
3586		4228
3587	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
3588	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3589	return if $Coro::current == $Coro::main;
3590		4231
3591	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
3592	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
3593	$signal->wait;	4234	$signal->wait;
3594	}	4235	}
3595		4236
3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4237	sub tick {
3597	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3599	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3600	return;	4241	return;
3601	}	4242	}
3602		4243
3603	$NOW = $tick_start = EV::now;	4244	cf::one_tick; # one server iteration
3604		4245
3605	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3606
3607	$RUNTIME += $TICK;
3608	$NEXT_TICK += $TICK;
3609		4247
3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3611	$NEXT_RUNTIME_WRITE = $NOW + 10;	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3612	Coro::async_pool {	4250	Coro::async_pool {
3613	$Coro::current->{desc} = "runtime saver";	4251	$Coro::current->{desc} = "runtime saver";
3614	write_runtime	4252	write_runtime_sync
3615	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
3616	};	4254	};
3617	}	4255	}
3618		4256
3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3620	$sig->send;	4258	$sig->send;
3621	}	4259	}
3622	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3623	$sig->send;
3624	}
3625		4261
3626	$LOAD = ($NOW - $tick_start) / $TICK;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3628		4264
3629	_post_tick;	4265	if (0) {
3630	};	4266	if ($NEXT_TICK) {
3631	$TICK_WATCHER->priority (EV::MAXPRI);	4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
		4271	}
		4272	}
3632		4273
3633	{	4274	{
		4275	# configure BDB
		4276	info "initialising database";
		4277
3634	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3635	BDB::max_poll_time $TICK * 0.1;	4279	BDB::max_poll_reqs $TICK * 0.1;
3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3637
3638	BDB::set_sync_prepare {
3639	my $status;
3640	my $current = $Coro::current;
3641	(
3642	sub {
3643	$status = $!;
3644	$current->ready; undef $current;
3645	},
3646	sub {
3647	Coro::schedule while defined $current;
3648	$! = $status;
3649	},
3650	)
3651	};
3652		4281
3653	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4289
3660	cf::sync_job {	4290	cf::sync_job {
3661	eval {	4291	eval {
…		…
3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3681	};	4311	};
3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4314	};
		4315
		4316	info "database initialised";
3685	}	4317	}
3686		4318
3687	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
3688	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4325	undef $AnyEvent::AIO::WATCHER;
		4326	info "aio initialised";
3693	}	4327	}
3694		4328
3695	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3696		4331
3697	sub _log_backtrace {	4332	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3699		4334
3700	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3701		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3705	async {	4345	async {
3706	$Coro::current->{desc} = "abt $msg";	4346	$Coro::current->{desc} = "abt $msg";
3707		4347
3708	my @bt = fork_call {	4348	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4360	}
3721		4361
3722	@funcs	4362	@funcs
3723	};	4363	};
3724		4364
3725	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4368	--$_log_backtrace;
3728	};	4369	};
3729	} else {	4370	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4373	}
3733	}	4374	}
3734		4375
3735	# load additional modules	4376	# load additional modules
3736	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3737		4379
3738	END { cf::emergency_save }	4380	END { cf::emergency_save }
3739		4381
3740	1	4382	1
3741		4383

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