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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.312 by root, Sat Jul 21 18:01:26 2007 UTC vs.
Revision 1.582 by root, Fri Feb 3 03:01:45 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
80	our $NOW;	139	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		140
83	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
94		144
95	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		147
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
101		160
102	binmode STDOUT;	161	binmode STDOUT;
103	binmode STDERR;	162	binmode STDERR;
104		163
105	# read virtual server time, if available	164	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
110	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
111		172
112	mkdir $_	173	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		175
115	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
116		177
117	sub cf::map::normalise;	178	sub cf::map::normalise;
118		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
119	#############################################################################	184	#############################################################################
120		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
121	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
122		198
123	=over 4	199	=over 4
124		200
125	=item $cf::UPTIME	201	=item $cf::UPTIME
126		202
127	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
128		219
129	=item $cf::RUNTIME	220	=item $cf::RUNTIME
130		221
131	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
132	every server tick.	223	every server tick.
…		…
138	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
141	database environment.	232	database environment.
142		233
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	234	=item $cf::LOADAVG
152		235
153	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
158		241
159	The raw value load value from the last tick.	242	The raw value load value from the last tick.
160		243
161	=item %cf::CFG	244	=item %cf::CFG
162		245
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	247	from wherever your confdir points to.
165		248
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		250
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
172	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
173		273
174	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	276	that call.
177		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
178	=back	284	=back
179		285
180	=cut	286	=cut
181		287
182	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	295	my $msg = join "", @_;
185		296
186	$msg .= "\n"	297	$msg .= "\n"
187	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
188		299
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		301
191	utf8::encode $msg;
192	LOG llevError, $msg;	302	LOG llevWarn, $msg;
193	};	303	};
194	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
195		318
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	329	for my $pkg (qw(
207	cf::global cf::attachable	330	cf::global cf::attachable
208	cf::object cf::object::player	331	cf::object cf::object::player
209	cf::client cf::player	332	cf::client cf::player
210	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
211	cf::map cf::party cf::region	335	cf::party cf::region
212	)) {	336	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	338	}
216		339
217	$Event::DIED = sub {	340	$EV::DIED = sub {
218	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
219	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
220		348
221	#############################################################################	349	#############################################################################
222		350
223	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
224		352
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	374	$d
247	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
248	}	376	}
249		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
250	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
251		431
252	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
253		433
254	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
255		435
256	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
257		437
258	=cut	438	=cut
259		439
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		441
262	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
264		506
265	=item cf::lock_wait $string	507	=item cf::lock_wait $string
266		508
267	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
268		510
269	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
270		512
271	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
274	returned.	516	returned.
275		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
276	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
278		523
279	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
280		525
281	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
282		527
283	=cut	528	=cut
284		529
285	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
286		531
287	sub lock_wait($) {	532	sub lock_wait($) {
288	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	534	}
296		535
297	sub lock_acquire($) {	536	sub lock_acquire($) {
298	my ($key) = @_;	537	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	538	}
310		539
311	sub lock_active($) {	540	sub lock_active($) {
312	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	542	}
316		543
317	sub freeze_mainloop {	544	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
319		546
320	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
322	};	617	}
323	$TICK_WATCHER->stop;	618	};
324	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
325	}	633	}
326		634
327	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
328		636
329	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		642
335	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
336		644
337	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
338		646
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	650	acceptable.
343		651
344	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	657	=cut
350		658
351	sub sync_job(&) {	659	sub sync_job(&) {
352	my ($job) = @_;	660	my ($job) = @_;
353		661
354	if ($Coro::current == $Coro::main) {	662	if (in_main) {
355	my $time = Event::time;	663	my $time = AE::time;
356		664
357	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
359		667
360	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	669
362	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
363		671
364	my $busy = 1;	672	my $busy = 1;
365	my @res;	673	my @res;
366		674
367	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	677	@res = eval { $job->() };
369	warn $@ if $@;	678	error $@ if $@;
370	undef $busy;	679	undef $busy;
371	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
372		681
373	while ($busy) {	682	while ($busy) {
374	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
375	}	687	}
		688	}
376		689
377	$time = Event::time - $time;	690	my $time = AE::time - $time;
378		691
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
383		693
384	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
385	} else {	695	} else {
386	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
387		697
…		…
407	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
408		718
409	$coro	719	$coro
410	}	720	}
411		721
412	=item fork_call { }, $args	722	=item fork_call { }, @args
413		723
414	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
418		728
419	=cut	729	=cut
420		730
421	sub _store_scalar {	731	sub post_fork {
422	open my $fh, ">", \my $buf	732	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	733	}
429		734
430	sub fork_call(&@) {	735	sub fork_call(&@) {
431	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
432		737
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	738	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	739	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	740	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		741
438	if (my $pid = fork) {	742	my @res = Coro::Util::fork_eval {
439	close $fh2;	743	cf::post_fork;
		744	&$cb
		745	} @args;
440		746
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	747	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	748	}
443	$res = Coro::Storable::thaw $res;
444		749
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	750	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
472	}	786	}
473		787
474	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
475		789
476	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	792	=item cf::db_put $family => $key => $value
479		793
480	Stores the given C<$value> in the family. It can currently store binary	794	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
483	=cut	802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
484		823
485	our $DB;	824	our $DB;
486		825
487	sub db_init {	826	sub db_init {
488	unless ($DB) {	827	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	828	}
503		829
504	sub db_get($$) {	830	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
506		832
507	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
508	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
509		837
510	$! ? ()	838	$! ? ()
511	: $data	839	: $data
512	}
513	}	840	}
514		841
515	sub db_put($$$) {	842	sub db_put($$$) {
516	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		872
546	my @data;	873	my @data;
547	my $md5;	874	my $md5;
548		875
549	for (0 .. $#$src) {	876	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	878	}
553		879
554	# if processing is expensive, check	880	# if processing is expensive, check
555	# checksum first	881	# checksum first
556	if (1) {	882	if (1) {
557	$md5 =	883	$md5 =
558	join "\x00",	884	join "\x00",
559	$processversion,	885	$processversion,
560	map {	886	map {
561	Coro::cede;	887	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	888	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	889	} 0.. $#$src;
564		890
565		891
566	my $dbmd5 = db_get cache => "$id/md5";	892	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		899
574	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	901	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
577		903
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		905
580	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
583		909
…		…
593		919
594	=cut	920	=cut
595		921
596	sub datalog($@) {	922	sub datalog($@) {
597	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	925	}
600		926
601	=back	927	=back
602		928
603	=cut	929	=cut
604		930
605	#############################################################################	931	#############################################################################
606		932
607	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
608		934
609	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
612		938
613	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	941	Deliantra).
616		942
617	=over 4	943	=over 4
618		944
619	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
620		946
…		…
664	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
665		991
666	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
668		994
669	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
671		997
672	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
673		999
674	=over 4	1000	=over 4
…		…
798		1124
799	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1127
802	} elsif (ref $type) {	1128	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
804		1130
805	} else {	1131	} else {
806	shift @arg;	1132	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
808	}	1134	}
809	}	1135	}
810	}	1136	}
811		1137
812	sub _object_attach {	1138	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
823	}	1149	}
824		1150
825	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
826	} else {	1152	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1154	}
829		1155
830	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
831	}	1157	}
832		1158
…		…
891		1217
892	for (@$callbacks) {	1218	for (@$callbacks) {
893	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
894		1220
895	if ($@) {	1221	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1223	override;
899	}	1224	}
900		1225
901	return 1 if $override;	1226	return 1 if $override;
902	}	1227	}
903		1228
904	0	1229	0
905	}	1230	}
906		1231
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1233
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1235
911	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
912		1237
…		…
918		1243
919	=cut	1244	=cut
920		1245
921	#############################################################################	1246	#############################################################################
922	# object support	1247	# object support
923	#
924		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
925	sub _can_merge {	1282	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1283	my ($ob1, $ob2) = @_;
927		1284
928	local $Storable::canonical = 1;	1285	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1286
932	$fob1 eq $fob2	1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
933	}	1289	}
934		1290
935	sub reattach {	1291	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1293	my ($obj) = @_;
938		1294
		1295	# no longer needed after getting rid of delete_package?
939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
940		1297
941	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
942		1299
943	@$registry = ();	1300	@$registry = ();
944		1301
…		…
949	for (@$attach) {	1306	for (@$attach) {
950	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
951	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
952	}	1309	}
953	} else {	1310	} else {
954	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
955	}	1312	}
956	}	1313	}
957	}	1314	}
958		1315
959	cf::attachable->attach (	1316	cf::attachable->attach (
960	prio => -1000000,	1317	prio => -1000000,
961	on_instantiate => sub {	1318	on_instantiate => sub {
962	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
963		1320
964	$data = from_json $data;	1321	$data = decode_json $data;
965		1322
966	for (@$data) {	1323	for (@$data) {
967	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
968		1325
969	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1342	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
987		1344
988	sync_job {	1345	sync_job {
989	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
992		1351
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
997	close $fh;	1359	aio_close $fh;
998		1360
999	if (@$objs) {	1361	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1005	close $fh;	1370	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1372	}
1008	} else {	1373	} else {
1009	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1010	}	1375	}
1011		1376
1012	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1381	} else {
1014	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1015	}	1383	}
1016	} else {	1384	} else {
1017	aio_unlink $filename;	1385	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1019	}	1387	}
1020	}	1388	};
1021	}	1389	}
1022		1390
1023	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1025		1393
…		…
1037	or return;	1405	or return;
1038		1406
1039	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1409	or return;
		1410
1042	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1043	}	1413	}
1044		1414
		1415	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
1047	return ($data, $av);	1420	($data, $av)
1048	}	1421	}
1049		1422
1050	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
1051		1424
1052	=over 4	1425	=over 4
…		…
1106	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1107		1480
1108	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1109	}	1482	}
1110		1483
		1484	use File::Glob ();
		1485
1111	cf::player->attach (	1486	cf::player->attach (
1112	on_command => sub {	1487	on_unknown_command => sub {
1113	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1114		1489
1115	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1116	or return;	1491	or return;
1117		1492
…		…
1125	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1126		1501
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1503
1129	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
1135	} else {	1516	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1518	}
1138		1519
1139	cf::override;	1520	cf::override;
1140	},	1521	},
1141	);	1522	);
1142		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1143	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1144	cf::sync_job {	1553	cf::sync_job {
1145	my %todo;	1554	my %todo;
1146		1555
1147	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1148	next unless -r $path;	1557	next unless -r $path;
…		…
1166		1575
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1578
1170	$ext{source} =	1579	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1172	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1173	. $source	1582	. $source
1174	. "\n};\n1";	1583	. "\n};\n1";
1175		1584
1176	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1177	}	1586	}
1178		1587
		1588	my $pass = 0;
1179	my %done;	1589	my %done;
1180	while (%todo) {	1590	while (%todo) {
1181	my $progress;	1591	my $progress;
1182		1592
		1593	++$pass;
		1594
		1595	ext:
1183	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1184	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1185	goto skip	1598	next ext
1186	unless exists $done{$_};	1599	unless exists $done{$_};
1187	}	1600	}
1188		1601
1189	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1190		1603
1191	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1192	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1193	: "$v->{base}: extension inactive.\n";
1194		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1195	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1196	warn $msg;	1620
1197	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1198	exit 1;	1622	delete $todo{$k};
1199	}	1623	} else {
1200		1624	$done{$k} = delete $todo{$k};
1201	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1202	}	1630	}
1203
1204	$done{$k} = delete $todo{$k};
1205	push @EXTS, $v->{pkg};
1206	$progress = 1;
1207	}	1631	}
1208		1632
1209	skip:	1633	unless ($progress) {
1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1211	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1212	}	1643	}
1213	};	1644	};
1214	}	1645	}
1215		1646
1216	#############################################################################	1647	#############################################################################
1217		1648
1218	=back	1649	=back
1219		1650
1220	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1221		1652
1222	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1223		1654
1224	=cut	1655	=cut
1225		1656
1226	package cf::player;	1657	package cf::player;
1227		1658
1228	use Coro::AIO;	1659	use Coro::AIO;
1229		1660
1230	=head3 cf::player	1661	=head3 cf::player
1231		1662
1232	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
1233		1678
1234	=item cf::player::find $login	1679	=item cf::player::find $login
1235		1680
1236	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1237		1682
…		…
1256		1701
1257	sub exists($) {	1702	sub exists($) {
1258	my ($login) = @_;	1703	my ($login) = @_;
1259		1704
1260	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1262	}	1707	}
1263		1708
1264	sub find($) {	1709	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1711	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1722
1278	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1281	}	1732	}
1282	}	1733	}
1283	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1284		1748
1285	sub save($) {	1749	sub save($) {
1286	my ($pl) = @_;	1750	my ($pl) = @_;
1287		1751
1288	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1293	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1294		1758
1295	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1297		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1298	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1299	Coro::cede;	1768	cf::cede_to_tick;
1300	}	1769	}
1301		1770
1302	sub new($) {	1771	sub new($) {
1303	my ($login) = @_;	1772	my ($login) = @_;
1304		1773
…		…
1310	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1311		1780
1312	$self	1781	$self
1313	}	1782	}
1314		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1315	=item $pl->quit_character	1794	=item $pl->quit_character
1316		1795
1317	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1319		1798
…		…
1323	my ($pl) = @_;	1802	my ($pl) = @_;
1324		1803
1325	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1326		1805
1327	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1808
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1331	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1333	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1334		1817
1335	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1337	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1372	or return [];	1855	or return [];
1373		1856
1374	my @logins;	1857	my @logins;
1375		1858
1376	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1380		1869
1381	utf8::decode $login;	1870	utf8::decode $login;
1382	push @logins, $login;	1871	push @logins, $login;
1383	}	1872	}
1384		1873
1385	\@logins	1874	\@logins
1386	}	1875	}
1387		1876
1388	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1389		1880
1390	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1391	player. May block.	1882	player. May block.
1392		1883
1393	=cut	1884	=cut
…		…
1411	}	1902	}
1412		1903
1413	\@paths	1904	\@paths
1414	}	1905	}
1415		1906
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1908
1418	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1419		1910
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1467		1912
1468	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1469		1914
1470	=cut	1915	=cut
1471		1916
1472	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1474		1919
1475	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1921	}
1478		1922
1479	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1480		1924
1481	Sends an ext event to the client.	1925	Sends an ext event to the client.
1482		1926
1483	=cut	1927	=cut
1484		1928
1485	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1487		1931
1488	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1489	}	1933	}
1490		1934
1491	=head3 cf::region	1935	=head3 cf::region
1492		1936
1493	=over 4	1937	=over 4
…		…
1502		1946
1503	=cut	1947	=cut
1504		1948
1505	sub find_by_path($) {	1949	sub find_by_path($) {
1506	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1507		1953
1508	my ($match, $specificity);	1954	my ($match, $specificity);
1509		1955
1510	for my $region (list) {	1956	for my $region (list) {
1511	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1537	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1539		1985
1540	sub generate_random_map {	1986	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1542	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1543	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1547	$rmp->{exit_on_final_map},
1548	$rmp->{xsize}, $rmp->{ysize},
1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1554	(cf::region::find $rmp->{region}), $rmp->{custom}
1555	)
1556	}	1992	}
1557		1993
1558	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1559		1995
1560	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1565		2001
1566	sub register {	2002	sub register {
1567	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1568	my $pkg = caller;	2004	my $pkg = caller;
1569		2005
1570	no strict;
1571	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1572		2007
1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1574	}	2009	}
1575		2010
1576	# also paths starting with '/'	2011	# also paths starting with '/'
1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1578		2013
1579	sub thawer_merge {	2014	sub thawer_merge {
1580	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1581		2016
1582	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1587	}	2022	}
1588		2023
1589	sub normalise {	2024	sub normalise {
1590	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1591		2026
1592	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1593		2028
1594	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1595		2030
1596	# map plan:	2031	# map plan:
1597	#	2032	#
…		…
1612	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1613	$path = "$base/$path";	2048	$path = "$base/$path";
1614	}	2049	}
1615		2050
1616	for ($path) {	2051	for ($path) {
1617	redo if s{//}{/};
1618	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1619	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1620	}	2054	}
1621		2055
1622	$path	2056	$path
…		…
1636	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1637	return $self;	2071	return $self;
1638	}	2072	}
1639	}	2073	}
1640		2074
1641	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1642	()	2076	()
1643	}	2077	}
1644		2078
		2079	# may re-bless or do other evil things
1645	sub init {	2080	sub init {
1646	my ($self) = @_;	2081	my ($self) = @_;
1647		2082
1648	$self	2083	$self
1649	}	2084	}
…		…
1668		2103
1669	# the temporary/swap location	2104	# the temporary/swap location
1670	sub save_path {	2105	sub save_path {
1671	my ($self) = @_;	2106	my ($self) = @_;
1672		2107
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1675	}	2110	}
1676		2111
1677	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1678	sub uniq_path {	2113	sub uniq_path {
1679	my ($self) = @_;	2114	my ($self) = @_;
1680		2115
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	2118	}
1693		2119
1694	sub decay_objects {	2120	sub decay_objects {
1695	my ($self) = @_;	2121	my ($self) = @_;
1696		2122
…		…
1709		2135
1710	sub load_header_from($) {	2136	sub load_header_from($) {
1711	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1712		2138
1713	utf8::encode $path;	2139	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	2141	or return;
1719		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1720	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1721		2150
1722	1	2151	1
1723	}	2152	}
1724		2153
		2154	# used to laod the header of an original map
1725	sub load_header_orig {	2155	sub load_header_orig {
1726	my ($self) = @_;	2156	my ($self) = @_;
1727		2157
1728	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1729	}	2159	}
1730		2160
		2161	# used to laod the header of an instantiated map
1731	sub load_header_temp {	2162	sub load_header_temp {
1732	my ($self) = @_;	2163	my ($self) = @_;
1733		2164
1734	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1735	}	2166	}
1736		2167
		2168	# called after loading the header from an instantiated map
1737	sub prepare_temp {	2169	sub prepare_temp {
1738	my ($self) = @_;	2170	my ($self) = @_;
1739		2171
1740	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1741	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1742	# safety	2174	# safety
1743	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1744	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1745	}	2177	}
1746		2178
		2179	# called after loading the header from an original map
1747	sub prepare_orig {	2180	sub prepare_orig {
1748	my ($self) = @_;	2181	my ($self) = @_;
1749		2182
1750	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1751	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1775		2208
1776	sub find;	2209	sub find;
1777	sub find {	2210	sub find {
1778	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1779		2212
		2213	cf::cede_to_tick;
		2214
1780	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1781		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1783		2219
1784	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1787	or return;	2222	or return;
1788		2223
1789	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1790		2225
…		…
1792	or return;	2227	or return;
1793		2228
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1797	$map->reset;	2234	$map->reset;
1798	undef $guard;
1799	return find $path;	2235	return find $path;
1800	}	2236	}
1801		2237
1802	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1803	}	2239	}
1804	}	2240	}
1805		2241
1806	sub pre_load { }	2242	sub pre_load { }
1807	sub post_load { }	2243	#sub post_load { } # XS
1808		2244
1809	sub load {	2245	sub load {
1810	my ($self) = @_;	2246	my ($self) = @_;
1811		2247
1812	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1813		2249
1814	my $path = $self->{path};	2250	my $path = $self->{path};
1815		2251
1816	{	2252	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1818		2254
		2255	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1820
1821	$self->in_memory (cf::MAP_LOADING);
1822		2257
1823	$self->alloc;	2258	$self->alloc;
1824		2259
1825	$self->pre_load;	2260	$self->pre_load;
1826	Coro::cede;	2261	cf::cede_to_tick;
1827		2262
1828	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1829	or return;	2267	or return;
1830		2268
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1832	if delete $self->{load_original};	2270	if delete $self->{load_original};
1833		2271
1834	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2273	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2276	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1839	}	2281	}
1840	}
1841		2282
1842	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1843	# now do the right thing for maps	2292	# now do the right thing for maps
1844	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2295	unless $self->difficulty;
1847	Coro::cede;	2296	cf::cede_to_tick;
1848		2297
1849	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2299	$self->decay_objects;
1851	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1852	$self->update_buttons;	2301	$self->update_buttons;
1853	Coro::cede;	2302	cf::cede_to_tick;
1854	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1855	Coro::cede;
1856	$self->activate;
1857	}	2304	}
1858		2305
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1860	}	2308	}
1861		2309
1862	$self->post_load;	2310	$self->post_load;
1863	}
1864		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1865	sub customise_for {	2318	sub customise_for {
1866	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1867		2320
1868	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1869	if $self->per_player;	2322	if $self->per_player;
…		…
1872	# if $self->per_party;	2325	# if $self->per_party;
1873		2326
1874	$self	2327	$self
1875	}	2328	}
1876		2329
1877	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {
1879	my ($map) = @_;
1880
1881	my @diag; # diagonal neighbours
1882
1883	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)
1885	or next;
1886	$neigh = find $neigh, $map
1887	or next;
1888	$neigh->load;
1889
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}
1893
1894	for (@diag) {
1895	my $neigh = find @$_
1896	or next;
1897	$neigh->load;
1898	}
1899	}
1900
1901	sub find_sync {	2330	sub find_sync {
1902	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1903		2332
1904	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1905	}	2338	}
1906		2339
1907	sub do_load_sync {	2340	sub do_load_sync {
1908	my ($map) = @_;	2341	my ($map) = @_;
1909		2342
1910	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1911	}	2348	}
1912		2349
1913	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1915		2352
1916	sub find_async {	2353	sub find_async {
1917	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1918		2355
1919	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1920		2357
1921	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1923	}	2360	}
1924		2361
1925	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1926	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1927	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2369	if (my $map = find $k) {
1930	$map->load;	2370	$map->load if $v;
1931	}	2371	}
1932		2372
1933	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1934	}	2374	}
1935	}	2375	}
1936	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1937	};	2377	};
1938	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1939		2379
1940	()	2380	()
1941	}	2381	}
1942		2382
		2383	# common code, used by both ->save and ->swapout
1943	sub save {	2384	sub _save {
1944	my ($self) = @_;	2385	my ($self) = @_;
1945
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1947		2386
1948	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1949		2388
1950	return unless $self->dirty;	2389	return unless $self->dirty;
1951		2390
…		…
1957	return if $self->{deny_save};	2396	return if $self->{deny_save};
1958		2397
1959	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1960		2399
1961	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1963	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1964		2406
1965	if ($uniq) {	2407	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2410	} else {
1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1970	}	2412	}
1971	}	2413	}
1972		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1973	sub swap_out {	2423	sub swap_out {
1974	my ($self) = @_;	2424	my ($self) = @_;
1975		2425
1976	# save first because save cedes
1977	$self->save;
1978
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1981	return if $self->players;	2430	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;
1983	return if $self->{deny_save};
1984		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1985	$self->clear;	2441	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2442	}
1988		2443
1989	sub reset_at {	2444	sub reset_at {
1990	my ($self) = @_;	2445	my ($self) = @_;
1991		2446
…		…
2009		2464
2010	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
2011		2466
2012	return if $self->players;	2467	return if $self->players;
2013		2468
2014	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
2015		2470
2016	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
2017		2472
2018	# need to save uniques path	2473	# need to save uniques path
2019	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
2020	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
2021		2476
…		…
2023	if $uniq;	2478	if $uniq;
2024	}	2479	}
2025		2480
2026	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
2027		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2485	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2486
2032	$self->unlink_save;	2487	$self->unlink_save;
2033	$self->destroy;	2488	$self->destroy;
2034	}	2489	}
2035		2490
2036	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
2037		2492
2038	sub nuke {	2493	sub nuke {
2039	my ($self) = @_;	2494	my ($self) = @_;
2040		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
2041	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2042		2500
2043	$self->unlink_save;	2501	$self->unlink_save;
2044		2502
2045	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2046	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2508
2051	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
2052		2511
2053	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
2054	}	2513	}
2055		2514
2056	=item $maps = cf::map::tmp_maps	2515	=item $maps = cf::map::tmp_maps
…		…
2098		2557
2099	sub unique_maps() {	2558	sub unique_maps() {
2100	[	2559	[
2101	map {	2560	map {
2102	utf8::decode $_;	2561	utf8::decode $_;
2103	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2104	? normalise $_	2565	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2567	]
2108	}	2568	}
2109		2569
2110	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2111		2601
2112	=back	2602	=back
2113		2603
2114	=head3 cf::object	2604	=head3 cf::object
2115		2605
…		…
2119		2609
2120	=over 4	2610	=over 4
2121		2611
2122	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2123		2613
2124	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2125		2616
2126	=cut	2617	=cut
2127		2618
2128	sub inv_recursive_;	2619	sub inv_recursive_;
2129	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2132		2623
2133	sub inv_recursive {	2624	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2135	}	2626	}
2136		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
2137	package cf;	2656	package cf;
2138		2657
2139	=back	2658	=back
2140		2659
2141	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2150		2669
2151	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
2152		2685
2153	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2687	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
2163		2696
2164	} else {	2697	} else {
2165	my $pl = $self->contr;	2698	my $pl = $self->contr;
2166		2699
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2703
2176	} else {	2704	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2707	}
2180	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
2181	}	2719	}
2182		2720
2183	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
2184		2722
2185	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
2198		2736
2199	=item $player_object->enter_link	2737	=item $player_object->enter_link
2200		2738
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2740
2203	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2205		2745
2206	Will never block.	2746	Will never block.
2207		2747
2208	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2209		2749
…		…
2229	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2230	my ($self) = @_;	2770	my ($self) = @_;
2231		2771
2232	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2233		2773
		2774	++$self->{_link_recursion};
		2775
2234	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2235		2777
2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2237	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2238		2780
2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2240	}	2782	}
2241		2783
2242	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2243	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2244		2786
…		…
2261	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2262	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2263		2805
2264	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2267		2809
2268	$map->load;	2810	$map->load;
2269	$map->load_diag;
2270		2811
2271	return unless $self->contr->active;	2812	return unless $self->contr->active;
2272	$self->activate_recursive;
2273		2813
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2276	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2277		2821
		2822	}
		2823
2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2279		2825
2280	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2281	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2830	be called at the end of this process.
2285		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2286	=cut	2835	=cut
2287		2836
2288	our $GOTOGEN;	2837	our $GOTOGEN;
2289		2838
2290	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2291	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
2292		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
2293	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2850
2296	$self->enter_link;	2851	$self->enter_link;
2297		2852
2298	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
2299	my $map = eval {	2875	my $map = eval {
2300	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2301		2877
2302	if ($map) {	2878	if ($map) {
2303	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2305	} else {	2881	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2883	}
2308		2884
2309	$map	2885	$map
2310	};	2886	};
2311		2887
…		…
2317	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2318	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2319	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2320	}	2896	}
2321		2897
2322	$done->() if $done;	2898	$done->($self) if $done;
2323	})->prio (1);	2899	})->prio (1);
2324	}	2900	}
2325		2901
2326	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2327		2903
…		…
2347	}	2923	}
2348		2924
2349	sub prepare_random_map {	2925	sub prepare_random_map {
2350	my ($exit) = @_;	2926	my ($exit) = @_;
2351		2927
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2930	# that depends on the exit object
2357		2931
2358	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2934	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2365	}	2941	}
2366		2942
2367	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2368		2944
2369	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2372		2948
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2951	undef $fh;
2376	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2377		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2380	}	2960	}
2381	}	2961	}
2382		2962
2383	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2385		2965
2386	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2387		2967
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2968	$self->enter_link;
2400		2969
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2970	(async {
2406	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2407	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2408	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2409		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2410	1;	3009	1
2411	}) {	3010	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2416		3015
2417	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2418	$self->leave_link;	3017	$self->leave_link;
2419	}	3018	}
2420	})->prio (1);	3019	})->prio (1);
2421	}	3020	}
2422		3021
…		…
2434	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2435	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2436		3035
2437	utf8::encode $text;	3036	utf8::encode $text;
2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2439	}	3063	}
2440		3064
2441	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2442		3066
2443	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2447		3071
2448	=cut	3072	=cut
2449		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
2450	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2452		3190
2453	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2454		3193
2455	return unless @extra || length $msg;
2456
2457	$color &= ~cf::NDI_UNIQUE; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2458		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
2459	if (ref $channel) {	3203	} elsif (ref $channel) {
2460	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2461	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2462	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2463	$self->ext_event (channel_info => %$channel);	3207	$self->ext_msg (channel_info => $channel);
2464	}	3208	}
2465		3209
2466	$channel = $channel->{id};	3210	$channel = $channel->{id};
2467	}	3211	}
2468		3212
2469	if ($self->can_msg) {	3213	return unless @extra || length $msg;
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2471	} else {
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		3214
2482	if ($color >= 0) {	3215	# default colour, mask it out
2483	if (0 && $msg =~ /\[/) {	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	3217	if $color & cf::NDI_DEF;
2485	} else {
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2493	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2494		3228
2495	Sends an ext event to the client.	3229	Sends an ext event to the client.
2496		3230
2497	=cut	3231	=cut
2498		3232
2499	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2501		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
2502	return unless $self->extcmd;	3253	return unless $self->extcmd == 2;
2503		3254
2504	$msg{msgtype} = "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2506	}	3256	}
2507		3257
2508	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2509		3259
2510	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2566		3316
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3318
2569	if (ref $msg) {	3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3324	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3325	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
2576	} else {	3331	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3333	}
2579		3334
2580	cf::override;	3335	cf::override;
2581	},	3336	},
2582	);	3337	);
…		…
2602		3357
2603	$coro	3358	$coro
2604	}	3359	}
2605		3360
2606	cf::client->attach (	3361	cf::client->attach (
2607	on_destroy => sub {	3362	on_client_destroy => sub {
2608	my ($ns) = @_;	3363	my ($ns) = @_;
2609		3364
2610	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2611	},	3366	},
2612	);	3367	);
…		…
2627	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2629		3384
2630	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2631		3386
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2633		3392
2634	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2635		3394
2636	=pod	3395	=pod
2637		3396
2638	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2639		3398
2640	cf::object	3399	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3400	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3401	insert remove name archname title slaying race decrease split
		3402	value
2643		3403
2644	cf::object::player	3404	cf::object::player
2645	player	3405	player
2646		3406
2647	cf::player	3407	cf::player
…		…
2652		3412
2653	=cut	3413	=cut
2654		3414
2655	for (	3415	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2661	) {	3422	) {
2662	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2665	for @funs;	3425	for @funs;
2666	}	3426	}
2667		3427
…		…
2682		3442
2683	my $qcode = $code;	3443	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2686		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2687	local $_;	3450	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;
2689		3451
2690	my $eval =	3452	my $eval =
2691	"do {\n"	3453	"do {\n"
2692	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2693	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2694	. $code	3456	. $code
2695	. "\n}"	3457	. "\n}"
2696	;	3458	;
2697		3459
		3460	if ($CFG{safe_eval}) {
2698	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2699	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2700	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2701		3469
2702	if ($@) {	3470	if ($@) {
2703	warn "$@";	3471	warn "$@",
2704	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2705	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2706	}	3474	}
2707		3475
2708	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2709	}	3477	}
2710		3478
…		…
2724	=cut	3492	=cut
2725		3493
2726	sub register_script_function {	3494	sub register_script_function {
2727	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2728		3496
2729	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2730	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2731	}	3499	}
2732		3500
2733	=back	3501	=back
2734		3502
2735	=cut	3503	=cut
…		…
2738	# the server's init and main functions	3506	# the server's init and main functions
2739		3507
2740	sub load_facedata($) {	3508	sub load_facedata($) {
2741	my ($path) = @_;	3509	my ($path) = @_;
2742		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
2743	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2744		3518
2745	my $facedata;	3519	my $facedata = decode_storable load_file $path;
2746	0 < aio_load $path, $facedata
2747	or die "$path: $!";
2748
2749	$facedata = Coro::Storable::thaw $facedata;
2750		3520
2751	$facedata->{version} == 2	3521	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
2754	{	3533	{
2755	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
2756		3535
2757	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
2759	cf::face::set_visibility $idx, $info->{visibility};	3539	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3540	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2763		3544
2764	cf::cede_to_tick;	3545	cf::cede_to_tick;
2765	}	3546	}
2766		3547
2767	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2769	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
2770	or next;	3552	or next;
		3553
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3555	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3557	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
2776	}	3559	}
2777		3560
2778	cf::cede_to_tick;	3561	cf::cede_to_tick;
2779	}	3562	}
2780	}	3563	}
…		…
2789		3572
2790	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
2791	}	3574	}
2792		3575
2793	{	3576	{
2794	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3577	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3578
2799	while (my ($name, $info) = each %$res) {	3579	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3580	if (defined (my $type = $info->{type})) {
2801	name => $name,	3581	# TODO: different hash - must free and use new index, or cache ixface data queue
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2807		3583
2808	if ($name =~ /\.jpg$/) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2811	} else {	3587	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3588	# $RESOURCE{$name} = $info; # unused
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3589	}
2818		3590
2819	cf::cede_to_tick;	3591	cf::cede_to_tick;
2820	}	3592	}
2821	}	3593	}
2822		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
2823	1	3597	1
2824	}	3598	}
2825		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
2826	sub reload_regions {	3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
2827	load_resource_file "$MAPDIR/regions"	3623	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3624	or die "unable to load regions file\n";
2829		3625
2830	for (cf::region::list) {	3626	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3627	$_->{match} = qr/$_->{match}/
…		…
2839	}	3635	}
2840		3636
2841	sub reload_archetypes {	3637	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3638	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3639	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3640	}
2850		3641
2851	sub reload_treasures {	3642	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
2854	}	3645	}
2855		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
2856	sub reload_resources {	3667	sub reload_resources {
2857	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
2858		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
2859	reload_regions;	3675	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3676	reload_treasures;
2864		3677
2865	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
2866	}	3679	}
2867		3680
2868	sub init {	3681	sub reload_config {
2869	reload_resources;	3682	trace "reloading config file...\n";
2870	}
2871		3683
2872	sub cfg_load {	3684	my $config = load_file "$CONFDIR/config";
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3685	utf8::decode $config;
2874	or return;	3686	*CFG = decode_yaml $config;
2875		3687
2876	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;
2878
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2880		3689
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2883		3692
2884	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2888	};	3697	};
2889	warn $@ if $@;	3698	warn $@ if $@;
2890	}	3699	}
2891	}	3700	}
2892		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
2893	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2894	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3743	(async {
2898	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2900	};	3747	};
2901		3748
2902	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
2903	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2904	load_extensions;	3772	load_extensions;
2905		3773
2906	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2907	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2908	}	3791	}
2909		3792
2910	#############################################################################	3793	#############################################################################
2911	# initialisation and cleanup	3794	# initialisation and cleanup
2912		3795
2913	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2914	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2923	},
2924	);	3802	};
2925	}	3803	}
2926	}	3804	}
2927		3805
2928	sub write_runtime {	3806	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3807	my $t0 = AE::time;
2930		3808
2931	# first touch the runtime file to show we are still running:	3809	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3810	# the fsync below can take a very very long time.
2933		3811
2934	IO::AIO::aio_utime $runtime, undef, undef;	3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3813
2936	my $guard = cf::lock_acquire "write_runtime";	3814	my $guard = cf::lock_acquire "write_runtime";
2937		3815
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2939	or return;	3817	or return;
2940		3818
2941	my $value = $cf::RUNTIME + 90 + 10;	3819	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3820	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3821	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3831	aio_utime $fh, undef, undef;
2954		3832
2955	close $fh	3833	close $fh
2956	or return;	3834	or return;
2957		3835
2958	aio_rename "$runtime~", $runtime	3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3837	and return;
2960		3838
2961	warn "runtime file written.\n";	3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2962		3840
2963	1	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2964	}	3892	}
2965		3893
2966	sub emergency_save() {	3894	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2968		3896
2969	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2970		3903
2971	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2972	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3915	$pl->save;
2980	}	3916	}
2981	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2982		3918
2983	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3924	$map->valid or next;
2987	$map->save;	3925	$map->save;
2988	}	3926	}
2989	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2990		3928
2991	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2994	};	3957	};
2995		3958
2996	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2997	}	3960	}
2998		3961
2999	sub post_cleanup {	3962	sub post_cleanup {
3000	my ($make_core) = @_;	3963	my ($make_core) = @_;
3001		3964
		3965	IO::AIO::flush;
		3966
3002	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
3004	}	3997	}
3005		3998
3006	sub do_reload_perl() {	3999	sub do_reload_perl() {
3007	# can/must only be called in main	4000	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
3009	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
3010	return;	4003	return;
3011	}	4004	}
3012		4005
3013	warn "reloading...";	4006	return if $RELOAD++;
3014		4007
3015	warn "entering sync_job";	4008	my $t1 = AE::time;
3016		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
3017	cf::sync_job {	4016	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark
3019	cf::emergency_save;	4017	#cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark
3021		4018
3022	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;
3024
3025	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();	4021	%EXT_CORO = ();
3046		4022
3047	warn "removing commands";	4023	trace "perl_reload: removing commands";
3048	%COMMAND = ();	4024	%COMMAND = ();
3049		4025
3050	warn "removing ext/exti commands";	4026	trace "perl_reload: removing ext/exti commands";
3051	%EXTCMD = ();	4027	%EXTCMD = ();
3052	%EXTICMD = ();	4028	%EXTICMD = ();
3053		4029
3054	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
3057		4033
3058	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
3059	eval {	4035	eval {
3060	$cb->($pkg);	4036	$cb->($pkg);
3061	1	4037	1
3062	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
3063	}	4043	}
3064		4044
3065	warn "... nuking $pkg";
3066	Symbol::delete_package $pkg;
3067	}
3068
3069	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3070	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		4048
3073	warn "... unloading $k";	4049	trace "... unloading $k";
3074	delete $INC{$k};	4050	delete $INC{$k};
3075		4051
3076	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
3078		4054
3079	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
3080	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
3081	}	4060	}
3082		4061
3083	Symbol::delete_package $k;
3084	}
3085
3086	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		4065
3090	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		4069
3094	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
3095	# and global variables created in xs	4071	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
3097		4073
3098	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
3099		4075
3100	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
3101	require cf;	4077	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
3103		4079
3104	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
3105	cf::cfg_load;	4081	cf::reload_config;
3106		4082
3107	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
3108	cf::load_extensions;	4084	cf::load_extensions;
3109		4085
		4086	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
3113	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
3116		4094
3117	warn "leaving sync_job";	4095	cf::_post_init 1;
3118		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
3119	1	4099	1
3120	} or do {	4100	} or do {
3121	warn $@;	4101	error $@;
3122	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
3123	exit 1;	4103	};
		4104
		4105	--$RELOAD;
3124	};	4106	}
3125		4107
3126	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
3127	};	4110	};
3128		4111
3129	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
3130		4113
3131	sub reload_perl() {	4114	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
3134		4117
3135	$RELOAD_WATCHER ||= Event->timer (	4118	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	4119	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	4120
3138	data => WF_AUTOCANCEL,	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	4122	do_reload_perl;
3141	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
3142	},	4124	};
3143	);	4125	};
3144	}	4126	}
3145		4127
3146	register_command "reload" => sub {	4128	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
3148		4130
3149	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
		4133	async {
		4134	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	4135	reload_perl;
		4136	};
3152	}	4137	}
3153	};	4138	};
3154		4139
3155	unshift @INC, $LIBDIR;	4140	#############################################################################
3156		4141
3157	my $bug_warning = 0;	4142	my $bug_warning = 0;
3158		4143
3159	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;
3161
3162	sub wait_for_tick {	4144	sub wait_for_tick() {
3163	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3164	return if $Coro::current == $Coro::main;
3165		4146
3166	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
3167	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;
3169	}	4148	}
3170		4149
3171	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
3172	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3173	return if $Coro::current == $Coro::main;
3174		4152
3175	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	4155	$signal->wait;
3178	}	4156	}
3179		4157
3180	my $min = 1e6;#d#	4158	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
3192	return;	4162	return;
3193	}	4163	}
3194		4164
3195	$NOW = $tick_start = Event::time;	4165	cf::one_tick; # one server iteration
3196		4166
3197	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3198		4168
3199	0 && sync_job {#d#	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	4171	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4172	$Coro::current->{desc} = "runtime saver";
3203	or die;	4173	write_runtime_sync
3204		4174	or error "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	4175	};
		4176	}
3221		4177
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	4179	$sig->send;
3238	}	4180	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
3240	$sig->send;
3241	}
3242		4182
3243	$NOW = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		4185
3254	_post_tick;	4186	if (0) {
3255		4187	if ($NEXT_TICK) {
3256		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
3257	},	4192	}
3258	);	4193	}
3259		4194
3260	{	4195	{
3261	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	4197
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
3271		4199	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		4201
3287	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		4209
3290	cf::sync_job {	4210	cf::sync_job {
3291	eval {	4211	eval {
3292	BDB::db_env_open	4212	BDB::db_env_open
3293	$DB_ENV,	4213	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	4217	0666;
3298		4218
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	4220	};
3304		4221
3305	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	4223	};
3307	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
3308	}	4235	}
3309		4236
3310	{	4237	{
		4238	# configure IO::AIO
		4239
3311	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	4243	}
3324		4244
3325	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
3326		4247
3327	sub _log_backtrace {	4248	sub _log_backtrace {
3328	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
3329		4250
3330	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
3331		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3332	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
3334	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
3335	async {	4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
3336	my @bt = fork_call {	4264	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	4268	or die "addr2line: $!";
…		…
3348	}	4276	}
3349		4277
3350	@funcs	4278	@funcs
3351	};	4279	};
3352		4280
3353	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	4284	--$_log_backtrace;
3356	};	4285	};
3357	} else {	4286	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3360	}	4289	}
3361	}	4290	}
3362		4291
3363	# load additional modules	4292	# load additional modules
3364	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3365		4295
3366	END { cf::emergency_save }	4296	END { cf::emergency_save }
3367		4297
3368	1	4298	1
3369		4299

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