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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.409 by root, Mon Jan 14 11:41:48 2008 UTC vs.
Revision 1.597 by root, Sun Nov 11 02:14:37 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.32 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
18	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
23	use Coro::BDB;	52	use Coro::BDB 1.6;
24	use Coro::Storable;	53	use Coro::Storable;
25	use Coro::Util ();	54	use Coro::Util ();
26		55
		56	use Guard ();
27	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
28	use BDB ();	58	use BDB ();
29	use Data::Dumper;	59	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	60	use Fcntl;
32	use YAML ();	61	use YAML::XS ();
33	use IO::AIO 2.51 ();	62	use IO::AIO ();
34	use Time::HiRes;	63	use Time::HiRes;
35	use Compress::LZF;	64	use Compress::LZF;
36	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
37		68
38	# configure various modules to our taste	69	# configure various modules to our taste
39	#	70	#
40	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		79
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		82
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
47		86
48	our %COMMAND = ();	87	our %COMMAND = ();
49	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
50		89
51	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
53	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
72		126
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	129	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		131
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	135	our $DB_ENV;
85		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
86	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		141
88	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
90	our $NOW;	145	our $NOW;
91		146
92	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		153
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
102		166
103	binmode STDOUT;	167	binmode STDOUT;
104	binmode STDERR;	168	binmode STDERR;
105		169
106	# read virtual server time, if available	170	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
111	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
112		178
113	mkdir $_	179	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		181
116	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
117		183
118	sub cf::map::normalise;	184	sub cf::map::normalise;
119		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
120	#############################################################################	190	#############################################################################
121		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
122	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
123		204
124	=over 4	205	=over 4
125		206
126	=item $cf::UPTIME	207	=item $cf::UPTIME
127		208
128	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
129		225
130	=item $cf::RUNTIME	226	=item $cf::RUNTIME
131		227
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	229	every server tick.
134		230
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		234
139	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
142	database environment.	238	database environment.
143		239
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	240	=item $cf::LOADAVG
153		241
154	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	253	from wherever your confdir points to.
166		254
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		256
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	282	that call.
178		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		307
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}
195		310
196	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
197	warn Carp::longmess $_[0];	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
198	Coro::terminate;	322	Coro::terminate
199	};	323	};
200		324
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	335	for my $pkg (qw(
212	cf::global cf::attachable	336	cf::global cf::attachable
213	cf::object cf::object::player	337	cf::object cf::object::player
214	cf::client cf::player	338	cf::client cf::player
215	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
216	cf::map cf::party cf::region	341	cf::party cf::region
217	)) {	342	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	344	}
221		345
222	$EV::DIED = sub {	346	$EV::DIED = sub {
223	warn "error in event callback: @_";	347	warn "error in event callback: $@";
224	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
225		354
226	#############################################################################	355	#############################################################################
227		356
228	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
229		358
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	380	$d
252	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
253	}	382	}
254		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
255	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
256		437
257	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
258		439
259	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		447
267	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
269		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
270	=item cf::lock_wait $string	513	=item cf::lock_wait $string
271		514
272	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
273		516
274	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
275		518
276	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
279	returned.	522	returned.
280		523
281	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	525	deadlocked coro.
…		…
288		531
289	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
290		533
291	=cut	534	=cut
292		535
293	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		537
296	sub lock_wait($) {	538	sub lock_wait($) {
297	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	540	}
310		541
311	sub lock_acquire($) {	542	sub lock_acquire($) {
312	my ($key) = @_;	543	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	544	}
326		545
327	sub lock_active($) {	546	sub lock_active($) {
328	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	548	}
332		549
333	sub freeze_mainloop {	550	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
335		552
336	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	554	}
342		555
343	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
344		557
345	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
346	get spread over timer.	559	get spread over time.
347		560
348	=cut	561	=cut
349		562
350	sub periodic($$) {	563	sub periodic($$) {
351	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
356	}	569	}
357		570
358	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
359		572
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
363		580
364	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
365	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
366		583
367	Useful for short background jobs.	584	Useful for short background jobs.
368		585
369	=cut	586	=cut
370		587
371	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
373		591
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
377		595
378	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
379		598
380	while () {	599	while () {
381	next_job:	600	next_job:
		601
382	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	603
384	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	608	$job->[2]->send;
388	Coro::cede;	609	Coro::cede;
389	goto next_job;	610	goto next_job;
390	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	613	}
392	}	614	}
393		615
394	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
395	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
396	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
397	$signal->wait;
398	} else {	619	} else {
		620	$busy = 0;
399	Coro::schedule;	621	Coro::schedule;
400	}	622	}
401	}	623	}
402	};	624	};
403		625
404	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
405	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
406		630
407	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
408	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
409		634
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
438	=cut	663	=cut
439		664
440	sub sync_job(&) {	665	sub sync_job(&) {
441	my ($job) = @_;	666	my ($job) = @_;
442		667
443	if ($Coro::current == $Coro::main) {	668	if (in_main) {
444	my $time = EV::time;	669	my $time = AE::time;
445		670
446	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
448		673
449	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
450		675
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
454		677
455	my $busy = 1;	678	my $busy = 1;
456	my @res;	679	my @res;
457		680
458	(async {	681	(async {
459	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	683	@res = eval { $job->() };
461	warn $@ if $@;	684	error $@ if $@;
462	undef $busy;	685	undef $busy;
463	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
464		687
465	while ($busy) {	688	while ($busy) {
466	if (Coro::nready) {	689	if (Coro::nready) {
…		…
468	} else {	691	} else {
469	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
470	}	693	}
471	}	694	}
472		695
473	$time = EV::time - $time;	696	my $time = AE::time - $time;
474		697
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
479		699
480	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
481	} else {	701	} else {
482	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
483		703
…		…
503	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
504		724
505	$coro	725	$coro
506	}	726	}
507		727
508	=item fork_call { }, $args	728	=item fork_call { }, @args
509		729
510	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
511	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
512	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
513	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
514		734
515	=cut	735	=cut
516		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
517	sub fork_call(&@) {	741	sub fork_call(&@) {
518	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
519		743
520	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
521	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
523		747
524	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
525	reset_signals;	749	cf::post_fork;
526	&$cb	750	&$cb
527	}, @args;	751	} @args;
528		752
529	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
530	}	792	}
531		793
532	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
533		795
534	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
544	within each server.	806	within each server.
545		807
546	=cut	808	=cut
547		809
548	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
549	my ($name) = @_;	814	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
551		816
552	eval {	817	eval {
553	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
563	}	828	}
564		829
565	our $DB;	830	our $DB;
566		831
567	sub db_init {	832	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	833	$DB ||= db_table "db";
570	};
571	}	834	}
572		835
573	sub db_get($$) {	836	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
575		838
576	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
577	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
578		843
579	$! ? ()	844	$! ? ()
580	: $data	845	: $data
581	}
582	}	846	}
583		847
584	sub db_put($$$) {	848	sub db_put($$$) {
585	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		878
615	my @data;	879	my @data;
616	my $md5;	880	my $md5;
617		881
618	for (0 .. $#$src) {	882	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	884	}
622		885
623	# if processing is expensive, check	886	# if processing is expensive, check
624	# checksum first	887	# checksum first
625	if (1) {	888	if (1) {
…		…
642		905
643	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
644	my $data = $process->(\@data);	907	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
646		909
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		911
649	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
652		915
…		…
662		925
663	=cut	926	=cut
664		927
665	sub datalog($@) {	928	sub datalog($@) {
666	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	931	}
669		932
670	=back	933	=back
671		934
672	=cut	935	=cut
673		936
674	#############################################################################	937	#############################################################################
675		938
676	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
677		940
678	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
681		944
682	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
734		997
735	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
737		1000
738	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
740		1003
741	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
742		1005
743	=over 4	1006	=over 4
…		…
867		1130
868	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1133
871	} elsif (ref $type) {	1134	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
873		1136
874	} else {	1137	} else {
875	shift @arg;	1138	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
877	}	1140	}
878	}	1141	}
879	}	1142	}
880		1143
881	sub _object_attach {	1144	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
892	}	1155	}
893		1156
894	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
895	} else {	1158	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1160	}
898		1161
899	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
900	}	1163	}
901		1164
…		…
960		1223
961	for (@$callbacks) {	1224	for (@$callbacks) {
962	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
963		1226
964	if ($@) {	1227	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1229	override;
968	}	1230	}
969		1231
970	return 1 if $override;	1232	return 1 if $override;
971	}	1233	}
…		…
1034		1296
1035	sub reattach {	1297	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1299	my ($obj) = @_;
1038		1300
		1301	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1303
1041	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1042		1305
1043	@$registry = ();	1306	@$registry = ();
1044		1307
…		…
1049	for (@$attach) {	1312	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1052	}	1315	}
1053	} else {	1316	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1318	}
1056	}	1319	}
1057	}	1320	}
1058		1321
1059	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1087		1350
1088	sync_job {	1351	sync_job {
1089	if (length $$rdata) {	1352	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1093		1357
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
1098	close $fh;	1365	aio_close $fh;
1099		1366
1100	if (@$objs) {	1367	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1106	close $fh;	1376	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1378	}
1109	} else {	1379	} else {
1110	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1111	}	1381	}
1112		1382
1113	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1387	} else {
1115	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1116	}	1389	}
1117	} else {	1390	} else {
1118	aio_unlink $filename;	1391	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1120	}	1393	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1418	$av = $st->{objs};
1146	}	1419	}
1147		1420
1148	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1151		1425
1152	($data, $av)	1426	($data, $av)
1153	}	1427	}
1154		1428
1155	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1159	=cut	1433	=cut
1160		1434
1161	#############################################################################	1435	#############################################################################
1162	# command handling &c	1436	# command handling &c
1163		1437
1164	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1165		1439
1166	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1167	$name.	1441	$name.
1168		1442
1169	=cut	1443	=cut
…		…
1175	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1176		1450
1177	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1178	}	1452	}
1179		1453
1180	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1181		1455
1182	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1183	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1184	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1185	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1186	has logged in successfully.	1460	has logged in successfully.
1187		1461
1188	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1189	called.
1190		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1191	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1192		1470
1193	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1194	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1195	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1196	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1197	log-in.	1475	log-in.
1198		1476
1199	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1200	called.
1201		1478
1202	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1203		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1204	sub register_extcmd {	1486	sub register_extcmd($$) {
1205	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1206		1488
1207	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1208	}	1490	}
1209		1491
1210	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1211	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1212		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1213	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1214	}	1502	}
1215		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1216	cf::player->attach (	1512	cf::player->attach (
1217	on_command => sub {	1513	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1219		1515
1220	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1221	or return;	1517	or return;
1222		1518
…		…
1230	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1231		1527
1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1233		1529
1234	if (ref $msg) {	1530	if (ref $msg) {
1235	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1236	"ARRAY" eq ref $msg
1237	? @$msg
1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239		1532
1240	my @reply;
1241
1242	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1243	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1244	}	1551	}
1245		1552
1246	$pl->ext_reply ($reply, @reply)
1247	if $reply;
1248
1249	} else {	1553	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1555	}
1252		1556
1253	cf::override;	1557	cf::override;
1254	},	1558	},
1255	);	1559	);
1256		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1257	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1258	cf::sync_job {	1590	cf::sync_job {
1259	my %todo;	1591	my %todo;
1260		1592
1261	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1594	next unless -r $path;
…		…
1280		1612
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1615
1284	$ext{source} =	1616	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1287	. $source	1619	. $source
1288	. "\n};\n1";	1620	. "\n};\n1";
1289		1621
1290	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1291	}	1623	}
1292		1624
		1625	my $pass = 0;
1293	my %done;	1626	my %done;
1294	while (%todo) {	1627	while (%todo) {
1295	my $progress;	1628	my $progress;
1296		1629
		1630	++$pass;
		1631
		1632	ext:
1297	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1635	next ext
1300	unless exists $done{$_};	1636	unless exists $done{$_};
1301	}	1637	}
1302		1638
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1640
1305	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1310	warn $msg;	1657
1311	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1659	delete $todo{$k};
1313	}	1660	} else {
1314		1661	$done{$k} = delete $todo{$k};
1315	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1316	}	1667	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1668	}
1322		1669
1323	skip:	1670	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1326	}	1680	}
1327	};	1681	};
1328	}	1682	}
1329		1683
1330	#############################################################################	1684	#############################################################################
1331		1685
1332	=back	1686	=back
1333		1687
1334	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1335		1689
1336	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1337		1691
1338	=cut	1692	=cut
1339		1693
1340	package cf::player;	1694	package cf::player;
1341		1695
…		…
1384		1738
1385	sub exists($) {	1739	sub exists($) {
1386	my ($login) = @_;	1740	my ($login) = @_;
1387		1741
1388	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1390	}	1744	}
1391		1745
1392	sub find($) {	1746	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1748	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1760	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1761	or return;
1408		1762
1409	my $pl = cf::player::load_pl $f	1763	my $pl = cf::player::load_pl $f
1410	or return;	1764	or return;
		1765
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1766	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1767	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1414	}	1769	}
1415	}	1770	}
1416	}	1771	}
1417		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1418	sub save($) {	1786	sub save($) {
1419	my ($pl) = @_;	1787	my ($pl) = @_;
1420		1788
1421	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1422		1790
…		…
1425		1793
1426	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1427		1795
1428	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1430		1803
1431	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1805	cf::cede_to_tick;
1433	}	1806	}
1434		1807
…		…
1466	my ($pl) = @_;	1839	my ($pl) = @_;
1467		1840
1468	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1469		1842
1470	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1845
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1476	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1477		1854
1478	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1518		1895
1519	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
1520	my $path = path $login;	1897	my $path = path $login;
1521		1898
1522	# a .pst is a dead give-away for a valid player	1899	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1905	}
1528		1906
…		…
1532		1910
1533	\@logins	1911	\@logins
1534	}	1912	}
1535		1913
1536	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1537		1917
1538	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1539	player. May block.	1919	player. May block.
1540		1920
1541	=cut	1921	=cut
…		…
1559	}	1939	}
1560		1940
1561	\@paths	1941	\@paths
1562	}	1942	}
1563		1943
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1945
1566	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656
1657	=item $player->ext_reply ($msgid, @msg)
1658
1659	Sends an ext reply to the player.
1660
1661	=cut
1662
1663	sub ext_reply($$@) {
1664	my ($self, $id, @msg) = @_;
1665
1666	$self->ns->ext_reply ($id, @msg)
1667	}
1668		1947
1669	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1670		1949
1671	Sends an ext event to the client.	1950	Sends an ext event to the client.
1672		1951
…		…
1692		1971
1693	=cut	1972	=cut
1694		1973
1695	sub find_by_path($) {	1974	sub find_by_path($) {
1696	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1697		1978
1698	my ($match, $specificity);	1979	my ($match, $specificity);
1699		1980
1700	for my $region (list) {	1981	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1729		2010
1730	sub generate_random_map {	2011	sub generate_random_map {
1731	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1733	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	2017	}
1747		2018
1748	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1749		2020
1750	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1755		2026
1756	sub register {	2027	sub register {
1757	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2029	my $pkg = caller;
1759		2030
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2032
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2034	}
1765		2035
1766	# also paths starting with '/'	2036	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2038
1769	sub thawer_merge {	2039	sub thawer_merge {
1770	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1771		2041
1772	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1777	}	2047	}
1778		2048
1779	sub normalise {	2049	sub normalise {
1780	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1781		2051
1782	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1783		2053
1784	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1785		2055
1786	# map plan:	2056	# map plan:
1787	#	2057	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2073	$path = "$base/$path";
1804	}	2074	}
1805		2075
1806	for ($path) {	2076	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1810	}	2079	}
1811		2080
1812	$path	2081	$path
…		…
1826	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1827	return $self;	2096	return $self;
1828	}	2097	}
1829	}	2098	}
1830		2099
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2101	()
1833	}	2102	}
1834		2103
		2104	# may re-bless or do other evil things
1835	sub init {	2105	sub init {
1836	my ($self) = @_;	2106	my ($self) = @_;
1837		2107
1838	$self	2108	$self
1839	}	2109	}
…		…
1858		2128
1859	# the temporary/swap location	2129	# the temporary/swap location
1860	sub save_path {	2130	sub save_path {
1861	my ($self) = @_;	2131	my ($self) = @_;
1862		2132
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1865	}	2135	}
1866		2136
1867	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1868	sub uniq_path {	2138	sub uniq_path {
1869	my ($self) = @_;	2139	my ($self) = @_;
1870		2140
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2143	}
1883		2144
1884	sub decay_objects {	2145	sub decay_objects {
1885	my ($self) = @_;	2146	my ($self) = @_;
1886		2147
…		…
1913	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1914		2175
1915	1	2176	1
1916	}	2177	}
1917		2178
		2179	# used to laod the header of an original map
1918	sub load_header_orig {	2180	sub load_header_orig {
1919	my ($self) = @_;	2181	my ($self) = @_;
1920		2182
1921	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1922	}	2184	}
1923		2185
		2186	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2187	sub load_header_temp {
1925	my ($self) = @_;	2188	my ($self) = @_;
1926		2189
1927	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1928	}	2191	}
1929		2192
		2193	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2194	sub prepare_temp {
1931	my ($self) = @_;	2195	my ($self) = @_;
1932		2196
1933	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1935	# safety	2199	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2202	}
1939		2203
		2204	# called after loading the header from an original map
1940	sub prepare_orig {	2205	sub prepare_orig {
1941	my ($self) = @_;	2206	my ($self) = @_;
1942		2207
1943	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2233
1969	sub find;	2234	sub find;
1970	sub find {	2235	sub find {
1971	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1972		2237
		2238	cf::cede_to_tick;
		2239
1973	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1974		2241
1975	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2244
1978	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1983	or return;	2247	or return;
1984		2248
1985	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1986		2250
…		…
1988	or return;	2252	or return;
1989		2253
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
1993	undef $guard1;	2258	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2259	$map->reset;
1996	return find $path;	2260	return find $path;
1997	}	2261	}
1998		2262
1999	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2000	}	2264	}
2001	}	2265	}
2002		2266
2003	sub pre_load { }	2267	sub pre_load { }
2004	sub post_load { }	2268	#sub post_load { } # XS
2005		2269
2006	sub load {	2270	sub load {
2007	my ($self) = @_;	2271	my ($self) = @_;
2008		2272
2009	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2276
2013	{	2277	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2015		2279
2016	return unless $self->valid;	2280	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2282
2021	$self->alloc;	2283	$self->alloc;
2022		2284
2023	$self->pre_load;	2285	$self->pre_load;
2024	cf::cede_to_tick;	2286	cf::cede_to_tick;
2025		2287
		2288	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2290	$f->skip_block;
2028	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2029	or return;	2292	or return;
2030		2293
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2032	if delete $self->{load_original};	2295	if delete $self->{load_original};
2033		2296
2034	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2298	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2301	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2041	}	2305	}
2042	}	2306	}
2043	}
2044		2307
2045	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2046		2315
2047	cf::cede_to_tick;	2316	cf::cede_to_tick;
2048	# now do the right thing for maps	2317	# now do the right thing for maps
2049	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2324	$self->decay_objects;
2056	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2057	$self->update_buttons;	2326	$self->update_buttons;
2058	cf::cede_to_tick;	2327	cf::cede_to_tick;
2059	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2329	}
2063		2330
2064	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2333	}
2069		2334
2070	$self->post_load;	2335	$self->post_load;
2071	}
2072		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2343	sub customise_for {
2074	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2075		2345
2076	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2347	if $self->per_player;
…		…
2080	# if $self->per_party;	2350	# if $self->per_party;
2081		2351
2082	$self	2352	$self
2083	}	2353	}
2084		2354
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2355	sub find_sync {
2112	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2113		2357
2114	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2115	}	2363	}
2116		2364
2117	sub do_load_sync {	2365	sub do_load_sync {
2118	my ($map) = @_;	2366	my ($map) = @_;
2119		2367
		2368	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2122		2371
2123	cf::sync_job { $map->load };	2372	$map->load;
2124	}	2373	}
2125		2374
2126	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2128		2377
2129	sub find_async {	2378	sub find_async {
2130	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2131		2380
2132	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2133		2382
2134	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
2136	}	2385	}
2137		2386
2138	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2139		2388
2140	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2155		2404
2156	()	2405	()
2157	}	2406	}
2158		2407
		2408	# common code, used by both ->save and ->swapout
2159	sub save {	2409	sub _save {
2160	my ($self) = @_;	2410	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2411
2164	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2165		2413
2166	return unless $self->dirty;	2414	return unless $self->dirty;
2167		2415
…		…
2176		2424
2177	cf::async {	2425	cf::async {
2178	$Coro::current->{desc} = "map player save";	2426	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2180	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2181		2431
2182	if ($uniq) {	2432	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2435	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2187	}	2437	}
2188	}	2438	}
2189		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2190	sub swap_out {	2448	sub swap_out {
2191	my ($self) = @_;	2449	my ($self) = @_;
2192		2450
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2198	return if $self->players;	2455	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2200	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2201		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2202	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2203		2507
2204	$self->deactivate;	2508	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2510	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2511
2252	$self->unlink_save;	2512	$self->unlink_save;
2253	$self->destroy;	2513	$self->destroy;
2254	}	2514	}
2255		2515
…		…
2263		2523
2264	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2265		2525
2266	$self->unlink_save;	2526	$self->unlink_save;
2267		2527
2268	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2533
…		…
2322		2582
2323	sub unique_maps() {	2583	sub unique_maps() {
2324	[	2584	[
2325	map {	2585	map {
2326	utf8::decode $_;	2586	utf8::decode $_;
2327	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2328	? normalise $_	2590	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2592	]
2332	}	2593	}
2333		2594
2334	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2335		2626
2336	=back	2627	=back
2337		2628
2338	=head3 cf::object	2629	=head3 cf::object
2339		2630
…		…
2343		2634
2344	=over 4	2635	=over 4
2345		2636
2346	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2347		2638
2348	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2349		2641
2350	=cut	2642	=cut
2351		2643
2352	sub inv_recursive_;	2644	sub inv_recursive_;
2353	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2359	}	2651	}
2360		2652
2361	=item $ref = $ob->ref	2653	=item $ref = $ob->ref
2362		2654
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2655	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2656
2365	=item $ob = cf::object::deref ($refstring)	2657	=item $ob = cf::object::deref ($refstring)
2366		2658
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2660	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2402		2694
2403	=cut	2695	=cut
2404		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
		2710
2405	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2712	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2715	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2728
2423	} else {	2729	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2732	}
2427	}	2733	}
2428	}	2734	}
2429		2735
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2761
2456	=item $player_object->enter_link	2762	=item $player_object->enter_link
2457		2763
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2765
2460	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2462		2770
2463	Will never block.	2771	Will never block.
2464		2772
2465	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2466		2774
…		…
2486	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2795	my ($self) = @_;
2488		2796
2489	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2490		2798
		2799	++$self->{_link_recursion};
		2800
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2802
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2495		2805
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2807	}
2498		2808
2499	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2501		2811
…		…
2518	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2520		2830
2521	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2524		2834
2525	$map->load;	2835	$map->load;
2526	$map->load_neighbours;
2527		2836
2528	return unless $self->contr->active;	2837	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2838
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2533	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2534		2846
		2847	}
		2848
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2850
2537	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2855	be called at the end of this process.
2542		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2543	=cut	2860	=cut
2544		2861
2545	our $GOTOGEN;	2862	our $GOTOGEN;
2546		2863
2547	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2548	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2549		2872
2550	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2875
2553	$self->enter_link;	2876	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2574	}	2897	}
2575	}	2898	}
2576		2899
2577	my $map = eval {	2900	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2902
2580	if ($map) {	2903	if ($map) {
2581	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2906	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2908	}
2586		2909
2587	$map	2910	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2598	}	2921	}
2599		2922
2600	$done->() if $done;	2923	$done->($self) if $done;
2601	})->prio (1);	2924	})->prio (1);
2602	}	2925	}
2603		2926
2604	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2605		2928
…		…
2625	}	2948	}
2626		2949
2627	sub prepare_random_map {	2950	sub prepare_random_map {
2628	my ($exit) = @_;	2951	my ($exit) = @_;
2629		2952
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2955	# that depends on the exit object
2635		2956
2636	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2959	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2643	}	2966	}
2644		2967
2645	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2646		2969
2647	my $data = cf::encode_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2650		2973
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2976	undef $fh;
2654	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2655		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2658	}	2985	}
2659	}	2986	}
2660		2987
2661	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2663		2990
2664	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2665		2992
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2993	$self->enter_link;
2678		2994
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2995	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2996	$Coro::current->{desc} = "enter_exit";
2685		2997
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2688	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2689		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2690	1;	3034	1
2691	}) {	3035	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2696		3040
2697	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	3042	$self->leave_link;
2699	}	3043	}
2700	})->prio (1);	3044	})->prio (1);
2701	}	3045	}
2702		3046
…		…
2714	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2716		3060
2717	utf8::encode $text;	3061	utf8::encode $text;
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2719	}	3088	}
2720		3089
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3091
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2727		3096
2728	=cut	3097	=cut
2729		3098
2730	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2732	"c/identify" => {	3107	"c/identify" => {
2733	id => "infobox",	3108	id => "infobox",
2734	title => "Identify",	3109	title => "Identify",
2735	reply => undef,	3110	reply => undef,
2736	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3113	"c/examine" => {
2739	id => "infobox",	3114	id => "infobox",
2740	title => "Examine",	3115	title => "Examine",
2741	reply => undef,	3116	reply => undef,
2742	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2743	},	3124	},
2744	"c/book" => {	3125	"c/book" => {
2745	id => "infobox",	3126	id => "infobox",
2746	title => "Book",	3127	title => "Book",
2747	reply => undef,	3128	reply => undef,
…		…
2763	id => "infobox",	3144	id => "infobox",
2764	title => "Body Parts",	3145	title => "Body Parts",
2765	reply => undef,	3146	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2767	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2768	"c/uptime" => {	3185	"c/uptime" => {
2769	id => "infobox",	3186	id => "infobox",
2770	title => "Uptime",	3187	title => "Uptime",
2771	reply => undef,	3188	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3192	id => "infobox",
2776	title => "Map Info",	3193	title => "Map Info",
2777	reply => undef,	3194	reply => undef,
2778	tooltip => "Information related to the maps",	3195	tooltip => "Information related to the maps",
2779	},	3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2780	);	3211	);
2781		3212
2782	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3215
2785	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2786		3218
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3220
2789	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2792		3224
2793	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3226	$channel = $channel->{id};
2797		3227
2798	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3233	}
2805		3234
2806	$channel = $channel->{id};	3235	$channel = $channel->{id};
2807	}	3236	}
2808		3237
2809	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2810		3239
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3240	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2815		3243
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3247	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3248
2830	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3250	}
2844		3251
2845	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2846		3253
2847	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2849	=cut	3256	=cut
2850		3257
2851	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2853		3260
2854	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}
2860	}
2861
2862	=item $client->ext_reply ($msgid, @msg)
2863
2864	Sends an ext reply to the client.
2865
2866	=cut
2867
2868	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;
2870
2871	if ($self->extcmd == 2) {
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}
2878	}	3262	}
2879		3263
2880	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2881		3265
2882	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2937	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2938		3322
2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940		3324
2941	if (ref $msg) {	3325	if (ref $msg) {
2942	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2943	"ARRAY" eq ref $msg
2944	? @$msg
2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946		3327
2947	my @reply;
2948
2949	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
2950	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2951	}	3346	}
2952
2953	$ns->ext_reply ($reply, @reply)
2954	if $reply;
2955
2956	} else {	3347	} else {
2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958	}	3349	}
2959		3350
2960	cf::override;	3351	cf::override;
2961	},	3352	},
2962	);	3353	);
…		…
2982		3373
2983	$coro	3374	$coro
2984	}	3375	}
2985		3376
2986	cf::client->attach (	3377	cf::client->attach (
2987	on_destroy => sub {	3378	on_client_destroy => sub {
2988	my ($ns) = @_;	3379	my ($ns) = @_;
2989		3380
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3382	},
2992	);	3383	);
…		…
3008	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3009		3400
3010	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3011		3402
3012	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3015	sort time	3406	sort time
3016	));	3407	));
3017		3408
3018	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3021		3412
3022	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3023		3414
3024	cf::object	3415	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3417	insert remove name archname title slaying race decrease split
		3418	value
3027		3419
3028	cf::object::player	3420	cf::object::player
3029	player	3421	player
3030		3422
3031	cf::player	3423	cf::player
…		…
3036		3428
3037	=cut	3429	=cut
3038		3430
3039	for (	3431	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3046	) {	3438	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3441	for @funs;
3051	}	3442	}
3052		3443
…		…
3067		3458
3068	my $qcode = $code;	3459	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3071		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3072	local $_;	3466	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3467
3075	my $eval =	3468	my $eval =
3076	"do {\n"	3469	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3472	. $code
3080	. "\n}"	3473	. "\n}"
3081	;	3474	;
3082		3475
		3476	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3086		3485
3087	if ($@) {	3486	if ($@) {
3088	warn "$@";	3487	warn "$@",
3089	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3091	}	3490	}
3092		3491
3093	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3094	}	3493	}
3095		3494
…		…
3109	=cut	3508	=cut
3110		3509
3111	sub register_script_function {	3510	sub register_script_function {
3112	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3113		3512
3114	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3116	}	3515	}
3117		3516
3118	=back	3517	=back
3119		3518
3120	=cut	3519	=cut
3121		3520
3122	#############################################################################	3521	#############################################################################
3123	# the server's init and main functions	3522	# the server's init and main functions
		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
3124		3547
3125	sub load_facedata($) {	3548	sub load_facedata($) {
3126	my ($path) = @_;	3549	my ($path) = @_;
3127		3550
3128	# HACK to clear player env face cache, we need some signal framework	3551	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3552	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3553	%ext::player_env::MUSIC_FACE_CACHE = ();
3131		3554
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3556
3134	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
3135		3558
3136	my $facedata;	3559	my $facedata = decode_storable load_file $path;
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3560
3142	$facedata->{version} == 2	3561	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3563
3145	# patch in the exptable
3146	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3149	};
3150	cf::cede_to_tick;	3564	cf::cede_to_tick;
3151		3565
3152	{	3566	{
3153	my $faces = $facedata->{faceinfo};	3567	my $faces = delete $facedata->{faceinfo};
3154		3568
3155	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3572
3158	cf::face::set_visibility $idx, $info->{visibility};	3573	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3574	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3162		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
3163	cf::cede_to_tick;	3580	cf::cede_to_tick;
3164	}	3581	}
3165		3582
3166	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
3167	next unless $info->{smooth};	3584	next unless $info->{smooth};
…		…
3171		3588
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3590	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3592	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3594	}
3178		3595
3179	cf::cede_to_tick;	3596	cf::cede_to_tick;
3180	}	3597	}
3181	}	3598	}
3182		3599
3183	{	3600	{
3184	my $anims = $facedata->{animinfo};	3601	my $anims = delete $facedata->{animinfo};
3185		3602
3186	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
3187	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
3188	cf::cede_to_tick;	3605	cf::cede_to_tick;
3189	}	3606	}
3190		3607
3191	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
3192	}	3609	}
3193		3610
3194	{	3611	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3612	my $res = delete $facedata->{resource};
3198		3613
3199	while (my ($name, $info) = each %$res) {	3614	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3618
3204	if ($info->{type} & 1) {
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
3219	} else {	3623	} else {
3220	$RESOURCE{$name} = $info;	3624	# $RESOURCE{$name} = $info; # unused
3221	}	3625	}
3222		3626
3223	cf::cede_to_tick;	3627	cf::cede_to_tick;
3224	}	3628	}
3225	}	3629	}
3226		3630
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3632
3229	1	3633	1
3230	}	3634	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3635
3252	register_exticmd fx_want => sub {	3636	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3637	my ($ns, $want) = @_;
3254		3638
3255	while (my ($k, $v) = each %$want) {	3639	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3640	$ns->fx_want ($k, $v);
3257	}	3641	}
3258	};	3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
3259		3666
3260	sub reload_regions {	3667	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3668	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3669	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3670	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3277	}	3684	}
3278		3685
3279	sub reload_archetypes {	3686	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references	3689
3283	# this really needs to be done in an extra post-pass	3690	set_face "res/skill_info" => FT_RSRC,
3284	# (which needs to be synchronous, so solve it differently)	3691	JSON::XS->new->utf8->canonical->encode (
3285	load_resource_file "$DATADIR/archetypes"	3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3286	or die "unable to load archetypes\n";	3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
3287	}	3698	}
3288		3699
3289	sub reload_treasures {	3700	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
3292	}	3703	}
3293		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
3294	sub reload_resources {	3725	sub reload_resources {
3295	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
3296		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
3297	reload_regions;	3733	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3734	reload_treasures;
3302		3735
3303	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3737	}
3309		3738
3310	sub reload_config {	3739	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3740	trace "reloading config file...\n";
3312	or return;
3313		3741
3314	local $/;	3742	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3743	utf8::decode $config;
		3744	*CFG = decode_yaml $config;
3316		3745
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3747
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3321		3750
3322	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
3326	};	3755	};
3327	warn $@ if $@;	3756	warn $@ if $@;
3328	}	3757	}
3329	}	3758	}
3330		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
3331	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
3332	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3799	$Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3801	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3803	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
3339	};	3805	};
3340		3806
		3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
		3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
3341	reload_config;	3821	reload_config;
3342	db_init;	3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
3343	load_extensions;	3831	load_extensions;
3344		3832
3345	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3834
3347	EV::loop;	3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
3348	}	3850	}
3349		3851
3350	#############################################################################	3852	#############################################################################
3351	# initialisation and cleanup	3853	# initialisation and cleanup
3352		3854
3353	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
3354	BEGIN {	3856	BEGIN {
3355	our %SIGWATCHER = ();	3857	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
3359	};	3861	};
3360	}	3862	}
3361	}	3863	}
3362		3864
3363	sub write_runtime {	3865	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3866	my $t0 = AE::time;
3365		3867
3366	# first touch the runtime file to show we are still running:	3868	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3869	# the fsync below can take a very very long time.
3368		3870
3369	IO::AIO::aio_utime $runtime, undef, undef;	3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3872
3371	my $guard = cf::lock_acquire "write_runtime";	3873	my $guard = cf::lock_acquire "write_runtime";
3372		3874
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3876	or return;
3375		3877
3376	my $value = $cf::RUNTIME + 90 + 10;	3878	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3879	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3880	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3890	aio_utime $fh, undef, undef;
3389		3891
3390	close $fh	3892	close $fh
3391	or return;	3893	or return;
3392		3894
3393	aio_rename "$runtime~", $runtime	3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3896	and return;
3395		3897
3396	warn "runtime file written.\n";	3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		3899
3398	1	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
3399	}	3951	}
3400		3952
3401	sub emergency_save() {	3953	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
3403		3955
3404	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
3405		3962
3406	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
3407	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3972	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3974	$pl->save;
3416	}	3975	}
3417	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
3418		3977
3419	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3983	$map->valid or next;
3423	$map->save;	3984	$map->save;
3424	}	3985	}
3425	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
3426		3987
3427	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
3430	};	4016	};
3431		4017
3432	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
3433	}	4019	}
3434		4020
3435	sub post_cleanup {	4021	sub post_cleanup {
3436	my ($make_core) = @_;	4022	my ($make_core) = @_;
3437		4023
		4024	IO::AIO::flush;
		4025
3438	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
3440	}	4056	}
3441		4057
3442	sub do_reload_perl() {	4058	sub do_reload_perl() {
3443	# can/must only be called in main	4059	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
3445	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
3446	return;	4062	return;
3447	}	4063	}
3448		4064
3449	warn "reloading...";	4065	return if $RELOAD++;
3450		4066
3451	warn "entering sync_job";	4067	my $t1 = AE::time;
3452		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
3453	cf::sync_job {	4075	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	4076	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		4077
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	4080	%EXT_CORO = ();
3477		4081
3478	warn "removing commands";	4082	trace "perl_reload: removing commands";
3479	%COMMAND = ();	4083	%COMMAND = ();
3480		4084
3481	warn "removing ext/exti commands";	4085	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	4086	%EXTCMD = ();
3483	%EXTICMD = ();	4087	%EXTICMD = ();
3484		4088
3485	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
3488		4092
3489	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
3490	eval {	4094	eval {
3491	$cb->($pkg);	4095	$cb->($pkg);
3492	1	4096	1
3493	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
3494	}	4102	}
3495		4103
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		4107
3504	warn "... unloading $k";	4108	trace "... unloading $k";
3505	delete $INC{$k};	4109	delete $INC{$k};
3506		4110
3507	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
3509		4113
3510	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
3512	}	4119	}
3513		4120
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4124
3521	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4128
3525	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4130	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
3528		4132
3529	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
3530		4134
3531	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
3532	require cf;	4136	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
3534		4138
3535	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4140	cf::reload_config;
3537		4141
3538	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4143	cf::load_extensions;
3540		4144
		4145	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
3547		4153
3548	warn "leaving sync_job";	4154	cf::_post_init 1;
3549		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
3550	1	4158	1
3551	} or do {	4159	} or do {
3552	warn $@;	4160	error $@;
3553	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4162	};
		4163
		4164	--$RELOAD;
3555	};	4165	}
3556		4166
3557	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
3558	};	4169	};
3559		4170
3560	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
3561		4172
3562	sub reload_perl() {	4173	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
3565		4176
		4177	$RELOAD_WATCHER ||= cf::async {
		4178	Coro::AIO::aio_wait cache_extensions;
		4179
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3567	do_reload_perl;	4181	do_reload_perl;
3568	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
		4183	};
3569	};	4184	};
3570	}	4185	}
3571		4186
3572	register_command "reload" => sub {	4187	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4194	reload_perl;
3580	};	4195	};
3581	}	4196	}
3582	};	4197	};
3583		4198
3584	unshift @INC, $LIBDIR;	4199	#############################################################################
3585		4200
3586	my $bug_warning = 0;	4201	my $bug_warning = 0;
3587		4202
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4203	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4205
3595	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4207	}
3599		4208
3600	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4211
3604	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4214	$signal->wait;
3607	}	4215	}
3608		4216
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4217	sub tick {
3610	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
3613	return;	4221	return;
3614	}	4222	}
3615		4223
3616	$NOW = $tick_start = EV::now;	4224	cf::one_tick; # one server iteration
3617		4225
3618	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4227
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4230	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4231	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4232	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
3629	};	4234	};
3630	}	4235	}
3631		4236
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4238	$sig->send;
3634	}	4239	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4241
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4244
3642	_post_tick;	4245	if (0) {
3643	};	4246	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4247	my $jitter = $TICK_START - $NEXT_TICK;
		4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4249	debug "jitter $JITTER\n";#d#
		4250	}
		4251	}
		4252	}
3645		4253
3646	{	4254	{
3647	# configure BDB	4255	# configure BDB
		4256	info "initialising database";
3648		4257
3649	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4259	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4261
3653	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4269
3660	cf::sync_job {	4270	cf::sync_job {
3661	eval {	4271	eval {
…		…
3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3681	};	4291	};
3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4294	};
		4295
		4296	info "database initialised";
3685	}	4297	}
3686		4298
3687	{	4299	{
3688	# configure IO::AIO	4300	# configure IO::AIO
3689		4301
		4302	info "initialising aio";
3690	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4305	undef $AnyEvent::AIO::WATCHER;
		4306	info "aio initialised";
3693	}	4307	}
3694		4308
3695	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3696		4311
3697	sub _log_backtrace {	4312	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3699		4314
3700	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3701		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3705	async {	4325	async {
3706	$Coro::current->{desc} = "abt $msg";	4326	$Coro::current->{desc} = "abt $msg";
3707		4327
3708	my @bt = fork_call {	4328	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4340	}
3721		4341
3722	@funcs	4342	@funcs
3723	};	4343	};
3724		4344
3725	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4348	--$_log_backtrace;
3728	};	4349	};
3729	} else {	4350	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4353	}
3733	}	4354	}
3734		4355
3735	# load additional modules	4356	# load additional modules
3736	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3737		4359
3738	END { cf::emergency_save }	4360	END { cf::emergency_save }
3739		4361
3740	1	4362	1
3741		4363

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