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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.318 by root, Tue Jul 24 04:55:34 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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	}
322	};	549
323	$TICK_WATCHER->stop;	550	=item cf::periodic $interval, $cb
324	$guard	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
325	}	563	}
326		564
327	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
328		566
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
331	of cpu time till the next tick. The slot is only valid till the next cede.	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.
332		574
333	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
334	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
335		577
336	Useful for short background jobs.	578	Useful for short background jobs.
337		579
338	=cut	580	=cut
339		581
340	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
342		585
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
345	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
346		592
347	while () {	593	while () {
348	next_job:	594	next_job:
		595
349	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	597
351	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	602	$job->[2]->send;
355	Coro::cede;	603	Coro::cede;
356	goto next_job;	604	goto next_job;
357	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	607	}
359	}	608	}
360		609
361	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
364	$signal->wait;
365	} else {	613	} else {
		614	$busy = 0;
366	Coro::schedule;	615	Coro::schedule;
367	}	616	}
368	}	617	}
369	};	618	};
370		619
371	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
372	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
373		624
374	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
375	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
376		628
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
390		642
391	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
392		644
393	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
394		646
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
397	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
398	acceptable.	650	acceptable.
399		651
400	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
401	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
…		…
405	=cut	657	=cut
406		658
407	sub sync_job(&) {	659	sub sync_job(&) {
408	my ($job) = @_;	660	my ($job) = @_;
409		661
410	if ($Coro::current == $Coro::main) {	662	if (in_main) {
411	my $time = Event::time;	663	my $time = AE::time;
412		664
413	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
415		667
416	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	669
418	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
419		671
420	my $busy = 1;	672	my $busy = 1;
421	my @res;	673	my @res;
422		674
423	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	677	@res = eval { $job->() };
425	warn $@ if $@;	678	error $@ if $@;
426	undef $busy;	679	undef $busy;
427	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
428		681
429	while ($busy) {	682	while ($busy) {
430	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
431	}	687	}
		688	}
432		689
433	$time = Event::time - $time;	690	my $time = AE::time - $time;
434		691
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
439		693
440	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
441	} else {	695	} else {
442	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
443		697
…		…
463	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
464		718
465	$coro	719	$coro
466	}	720	}
467		721
468	=item fork_call { }, $args	722	=item fork_call { }, @args
469		723
470	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
471	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
474		728
475	=cut	729	=cut
476		730
477	sub _store_scalar {	731	sub post_fork {
478	open my $fh, ">", \my $buf	732	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	733	}
485		734
486	sub fork_call(&@) {	735	sub fork_call(&@) {
487	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
488		737
489	# 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,
490	# or die "socketpair: $!";	739	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	740	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		741
494	if (my $pid = fork) {	742	my @res = Coro::Util::fork_eval {
495	close $fh2;	743	cf::post_fork;
		744	&$cb
		745	} @args;
496		746
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	747	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	748	}
499	$res = Coro::Storable::thaw $res;
500		749
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	750	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	786	}
529		787
530	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
531		789
532	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	792	=item cf::db_put $family => $key => $value
535		793
536	Stores the given C<$value> in the family. It can currently store binary	794	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
539	=cut	802	=cut
		803
		804	sub db_table($) {
		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	}
540		823
541	our $DB;	824	our $DB;
542		825
543	sub db_init {	826	sub db_init {
544	unless ($DB) {	827	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	828	}
559		829
560	sub db_get($$) {	830	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
562		832
563	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
564	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
565		837
566	$! ? ()	838	$! ? ()
567	: $data	839	: $data
568	}
569	}	840	}
570		841
571	sub db_put($$$) {	842	sub db_put($$$) {
572	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		872
602	my @data;	873	my @data;
603	my $md5;	874	my $md5;
604		875
605	for (0 .. $#$src) {	876	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	878	}
609		879
610	# if processing is expensive, check	880	# if processing is expensive, check
611	# checksum first	881	# checksum first
612	if (1) {	882	if (1) {
613	$md5 =	883	$md5 =
614	join "\x00",	884	join "\x00",
615	$processversion,	885	$processversion,
616	map {	886	map {
617	Coro::cede;	887	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	888	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	889	} 0.. $#$src;
620		890
621		891
622	my $dbmd5 = db_get cache => "$id/md5";	892	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		899
630	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	901	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
633		903
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		905
636	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
639		909
…		…
649		919
650	=cut	920	=cut
651		921
652	sub datalog($@) {	922	sub datalog($@) {
653	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	925	}
656		926
657	=back	927	=back
658		928
659	=cut	929	=cut
660		930
661	#############################################################################	931	#############################################################################
662		932
663	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
664		934
665	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
666	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")
667	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
668		938
669	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>
670	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
671	Crossfire TRT).	941	Deliantra).
672		942
673	=over 4	943	=over 4
674		944
675	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
676		946
…		…
720	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
721		991
722	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
724		994
725	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
727		997
728	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
729		999
730	=over 4	1000	=over 4
…		…
854		1124
855	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1127
858	} elsif (ref $type) {	1128	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
860		1130
861	} else {	1131	} else {
862	shift @arg;	1132	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
864	}	1134	}
865	}	1135	}
866	}	1136	}
867		1137
868	sub _object_attach {	1138	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
879	}	1149	}
880		1150
881	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
882	} else {	1152	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1154	}
885		1155
886	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
887	}	1157	}
888		1158
…		…
947		1217
948	for (@$callbacks) {	1218	for (@$callbacks) {
949	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
950		1220
951	if ($@) {	1221	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1223	override;
955	}	1224	}
956		1225
957	return 1 if $override;	1226	return 1 if $override;
958	}	1227	}
959		1228
960	0	1229	0
961	}	1230	}
962		1231
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1233
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1235
967	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
968		1237
…		…
974		1243
975	=cut	1244	=cut
976		1245
977	#############################################################################	1246	#############################################################################
978	# object support	1247	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1282	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1283	my ($ob1, $ob2) = @_;
983		1284
984	local $Storable::canonical = 1;	1285	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1286
988	$fob1 eq $fob2	1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
989	}	1289	}
990		1290
991	sub reattach {	1291	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1293	my ($obj) = @_;
994		1294
		1295	# no longer needed after getting rid of delete_package?
995	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
996		1297
997	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
998		1299
999	@$registry = ();	1300	@$registry = ();
1000		1301
…		…
1005	for (@$attach) {	1306	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1008	}	1309	}
1009	} else {	1310	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1312	}
1012	}	1313	}
1013	}	1314	}
1014		1315
1015	cf::attachable->attach (	1316	cf::attachable->attach (
1016	prio => -1000000,	1317	prio => -1000000,
1017	on_instantiate => sub {	1318	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
1019		1320
1020	$data = from_json $data;	1321	$data = decode_json $data;
1021		1322
1022	for (@$data) {	1323	for (@$data) {
1023	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
1024		1325
1025	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1342	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1043		1344
1044	sync_job {	1345	sync_job {
1045	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1048		1351
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1359	aio_close $fh;
1054		1360
1055	if (@$objs) {	1361	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1370	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1372	}
1064	} else {	1373	} else {
1065	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1066	}	1375	}
1067		1376
1068	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1381	} else {
1070	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1071	}	1383	}
1072	} else {	1384	} else {
1073	aio_unlink $filename;	1385	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1075	}	1387	}
1076	}	1388	};
1077	}	1389	}
1078		1390
1079	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1081		1393
…		…
1093	or return;	1405	or return;
1094		1406
1095	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1409	or return;
		1410
1098	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1099	}	1413	}
1100		1414
		1415	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
1103	return ($data, $av);	1420	($data, $av)
1104	}	1421	}
1105		1422
1106	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
1107		1424
1108	=over 4	1425	=over 4
…		…
1162	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1163		1480
1164	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1165	}	1482	}
1166		1483
		1484	use File::Glob ();
		1485
1167	cf::player->attach (	1486	cf::player->attach (
1168	on_command => sub {	1487	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1170		1489
1171	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1172	or return;	1491	or return;
1173		1492
…		…
1181	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1182		1501
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1503
1185	if (ref $msg) {	1504	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg	1506
1188	? @$msg	1507	my @reply;
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1508
1191	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
1197	} else {	1516	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1518	}
1200		1519
1201	cf::override;	1520	cf::override;
1202	},	1521	},
1203	);	1522	);
1204		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
1205	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1206	cf::sync_job {	1553	cf::sync_job {
1207	my %todo;	1554	my %todo;
1208		1555
1209	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1557	next unless -r $path;
…		…
1228		1575
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1578
1232	$ext{source} =	1579	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1235	. $source	1582	. $source
1236	. "\n};\n1";	1583	. "\n};\n1";
1237		1584
1238	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1239	}	1586	}
1240		1587
		1588	my $pass = 0;
1241	my %done;	1589	my %done;
1242	while (%todo) {	1590	while (%todo) {
1243	my $progress;	1591	my $progress;
1244		1592
		1593	++$pass;
		1594
		1595	ext:
1245	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1598	next ext
1248	unless exists $done{$_};	1599	unless exists $done{$_};
1249	}	1600	}
1250		1601
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1603
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1258	warn $msg;	1620
1259	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1622	delete $todo{$k};
1261	}	1623	} else {
1262		1624	$done{$k} = delete $todo{$k};
1263	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1264	}	1630	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1631	}
1270		1632
1271	skip:	1633	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1643	}
1275	};	1644	};
1276	}	1645	}
1277		1646
1278	#############################################################################	1647	#############################################################################
1279		1648
1280	=back	1649	=back
1281		1650
1282	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1283		1652
1284	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1285		1654
1286	=cut	1655	=cut
1287		1656
1288	package cf::player;	1657	package cf::player;
1289		1658
1290	use Coro::AIO;	1659	use Coro::AIO;
1291		1660
1292	=head3 cf::player	1661	=head3 cf::player
1293		1662
1294	=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	}
1295		1678
1296	=item cf::player::find $login	1679	=item cf::player::find $login
1297		1680
1298	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1299		1682
…		…
1318		1701
1319	sub exists($) {	1702	sub exists($) {
1320	my ($login) = @_;	1703	my ($login) = @_;
1321		1704
1322	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1324	}	1707	}
1325		1708
1326	sub find($) {	1709	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1711	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1722
1340	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1343	}	1732	}
1344	}	1733	}
1345	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1346		1748
1347	sub save($) {	1749	sub save($) {
1348	my ($pl) = @_;	1750	my ($pl) = @_;
1349		1751
1350	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1356		1758
1357	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1361	Coro::cede;	1768	cf::cede_to_tick;
1362	}	1769	}
1363		1770
1364	sub new($) {	1771	sub new($) {
1365	my ($login) = @_;	1772	my ($login) = @_;
1366		1773
…		…
1372	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1373		1780
1374	$self	1781	$self
1375	}	1782	}
1376		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
1377	=item $pl->quit_character	1794	=item $pl->quit_character
1378		1795
1379	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1381		1798
…		…
1385	my ($pl) = @_;	1802	my ($pl) = @_;
1386		1803
1387	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1388		1805
1389	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1390	$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
1391		1808
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1395	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1396		1817
1397	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1434	or return [];	1855	or return [];
1435		1856
1436	my @logins;	1857	my @logins;
1437		1858
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1442		1869
1443	utf8::decode $login;	1870	utf8::decode $login;
1444	push @logins, $login;	1871	push @logins, $login;
1445	}	1872	}
1446		1873
1447	\@logins	1874	\@logins
1448	}	1875	}
1449		1876
1450	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1451		1880
1452	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1453	player. May block.	1882	player. May block.
1454		1883
1455	=cut	1884	=cut
…		…
1473	}	1902	}
1474		1903
1475	\@paths	1904	\@paths
1476	}	1905	}
1477		1906
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1908
1480	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1910
1528	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1529		1912
1530	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1531		1914
1532	=cut	1915	=cut
1533		1916
1534	sub ext_reply($$@) {	1917	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1918	my ($self, $id, @msg) = @_;
1536		1919
1537	if ($self->ns->extcmd == 2) {	1920	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1921	}
1545		1922
1546	=item $player->ext_msg ($type, @msg)	1923	=item $player->ext_msg ($type, @msg)
1547		1924
1548	Sends an ext event to the client.	1925	Sends an ext event to the client.
…		…
1569		1946
1570	=cut	1947	=cut
1571		1948
1572	sub find_by_path($) {	1949	sub find_by_path($) {
1573	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1574		1953
1575	my ($match, $specificity);	1954	my ($match, $specificity);
1576		1955
1577	for my $region (list) {	1956	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1606		1985
1607	sub generate_random_map {	1986	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1610	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	1992	}
1624		1993
1625	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1626		1995
1627	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
…		…
1632		2001
1633	sub register {	2002	sub register {
1634	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2004	my $pkg = caller;
1636		2005
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2007
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2009	}
1642		2010
1643	# also paths starting with '/'	2011	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2013
1646	sub thawer_merge {	2014	sub thawer_merge {
1647	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1648		2016
1649	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1654	}	2022	}
1655		2023
1656	sub normalise {	2024	sub normalise {
1657	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1658		2026
1659	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1660		2028
1661	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1662		2030
1663	# map plan:	2031	# map plan:
1664	#	2032	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2048	$path = "$base/$path";
1681	}	2049	}
1682		2050
1683	for ($path) {	2051	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1687	}	2054	}
1688		2055
1689	$path	2056	$path
…		…
1703	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1704	return $self;	2071	return $self;
1705	}	2072	}
1706	}	2073	}
1707		2074
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2076	()
1710	}	2077	}
1711		2078
		2079	# may re-bless or do other evil things
1712	sub init {	2080	sub init {
1713	my ($self) = @_;	2081	my ($self) = @_;
1714		2082
1715	$self	2083	$self
1716	}	2084	}
…		…
1735		2103
1736	# the temporary/swap location	2104	# the temporary/swap location
1737	sub save_path {	2105	sub save_path {
1738	my ($self) = @_;	2106	my ($self) = @_;
1739		2107
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1742	}	2110	}
1743		2111
1744	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1745	sub uniq_path {	2113	sub uniq_path {
1746	my ($self) = @_;	2114	my ($self) = @_;
1747		2115
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2118	}
1760		2119
1761	sub decay_objects {	2120	sub decay_objects {
1762	my ($self) = @_;	2121	my ($self) = @_;
1763		2122
…		…
1776		2135
1777	sub load_header_from($) {	2136	sub load_header_from($) {
1778	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1779		2138
1780	utf8::encode $path;	2139	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2141	or return;
1786		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1787	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1788		2150
1789	1	2151	1
1790	}	2152	}
1791		2153
		2154	# used to laod the header of an original map
1792	sub load_header_orig {	2155	sub load_header_orig {
1793	my ($self) = @_;	2156	my ($self) = @_;
1794		2157
1795	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1796	}	2159	}
1797		2160
		2161	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2162	sub load_header_temp {
1799	my ($self) = @_;	2163	my ($self) = @_;
1800		2164
1801	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1802	}	2166	}
1803		2167
		2168	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2169	sub prepare_temp {
1805	my ($self) = @_;	2170	my ($self) = @_;
1806		2171
1807	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1809	# safety	2174	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2177	}
1813		2178
		2179	# called after loading the header from an original map
1814	sub prepare_orig {	2180	sub prepare_orig {
1815	my ($self) = @_;	2181	my ($self) = @_;
1816		2182
1817	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2208
1843	sub find;	2209	sub find;
1844	sub find {	2210	sub find {
1845	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1846		2212
		2213	cf::cede_to_tick;
		2214
1847	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1848		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2219
1851	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1854	or return;	2222	or return;
1855		2223
1856	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1857		2225
…		…
1859	or return;	2227	or return;
1860		2228
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1864	$map->reset;	2234	$map->reset;
1865	undef $guard;
1866	return find $path;	2235	return find $path;
1867	}	2236	}
1868		2237
1869	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1870	}	2239	}
1871	}	2240	}
1872		2241
1873	sub pre_load { }	2242	sub pre_load { }
1874	sub post_load { }	2243	#sub post_load { } # XS
1875		2244
1876	sub load {	2245	sub load {
1877	my ($self) = @_;	2246	my ($self) = @_;
1878		2247
1879	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1880		2249
1881	my $path = $self->{path};	2250	my $path = $self->{path};
1882		2251
1883	{	2252	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1885		2254
		2255	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2257
1890	$self->alloc;	2258	$self->alloc;
1891		2259
1892	$self->pre_load;	2260	$self->pre_load;
1893	Coro::cede;	2261	cf::cede_to_tick;
1894		2262
1895	$self->_load_objects ($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)
1896	or return;	2267	or return;
1897		2268
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1899	if delete $self->{load_original};	2270	if delete $self->{load_original};
1900		2271
1901	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2273	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2276	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1906	}	2281	}
1907	}
1908		2282
1909	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;
1910	# now do the right thing for maps	2292	# now do the right thing for maps
1911	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2295	unless $self->difficulty;
1914	Coro::cede;	2296	cf::cede_to_tick;
1915		2297
1916	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2299	$self->decay_objects;
1918	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1919	$self->update_buttons;	2301	$self->update_buttons;
1920	Coro::cede;	2302	cf::cede_to_tick;
1921	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2304	}
1925		2305
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1927	}	2308	}
1928		2309
1929	$self->post_load;	2310	$self->post_load;
1930	}
1931		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2318	sub customise_for {
1933	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1934		2320
1935	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2322	if $self->per_player;
…		…
1939	# if $self->per_party;	2325	# if $self->per_party;
1940		2326
1941	$self	2327	$self
1942	}	2328	}
1943		2329
1944	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {
1946	my ($map) = @_;
1947
1948	my @diag; # diagonal neighbours
1949
1950	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)
1952	or next;
1953	$neigh = find $neigh, $map
1954	or next;
1955	$neigh->load;
1956
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}
1960
1961	for (@diag) {
1962	my $neigh = find @$_
1963	or next;
1964	$neigh->load;
1965	}
1966	}
1967
1968	sub find_sync {	2330	sub find_sync {
1969	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1970		2332
1971	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, $origin
1972	}	2338	}
1973		2339
1974	sub do_load_sync {	2340	sub do_load_sync {
1975	my ($map) = @_;	2341	my ($map) = @_;
1976		2342
1977	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;
1978	}	2348	}
1979		2349
1980	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1982		2352
1983	sub find_async {	2353	sub find_async {
1984	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1985		2355
1986	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1987		2357
1988	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1990	}	2360	}
1991		2361
1992	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1993	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1994	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2369	if (my $map = find $k) {
1997	$map->load;	2370	$map->load if $v;
1998	}	2371	}
1999		2372
2000	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
2001	}	2374	}
2002	}	2375	}
2003	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
2004	};	2377	};
2005	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2006		2379
2007	()	2380	()
2008	}	2381	}
2009		2382
		2383	# common code, used by both ->save and ->swapout
2010	sub save {	2384	sub _save {
2011	my ($self) = @_;	2385	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2386
2015	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2016		2388
2017	return unless $self->dirty;	2389	return unless $self->dirty;
2018		2390
…		…
2024	return if $self->{deny_save};	2396	return if $self->{deny_save};
2025		2397
2026	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
2027		2399
2028	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2030	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2031		2406
2032	if ($uniq) {	2407	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2410	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2412	}
2038	}	2413	}
2039		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2040	sub swap_out {	2423	sub swap_out {
2041	my ($self) = @_;	2424	my ($self) = @_;
2042		2425
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2048	return if $self->players;	2430	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		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
2052	$self->clear;	2441	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2442	}
2055		2443
2056	sub reset_at {	2444	sub reset_at {
2057	my ($self) = @_;	2445	my ($self) = @_;
2058		2446
…		…
2076		2464
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2466
2079	return if $self->players;	2467	return if $self->players;
2080		2468
2081	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
2082		2470
2083	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
2084		2472
2085	# need to save uniques path	2473	# need to save uniques path
2086	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
2087	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
2088		2476
…		…
2090	if $uniq;	2478	if $uniq;
2091	}	2479	}
2092		2480
2093	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
2094		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2485	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2486
2099	$self->unlink_save;	2487	$self->unlink_save;
2100	$self->destroy;	2488	$self->destroy;
2101	}	2489	}
2102		2490
2103	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
2104		2492
2105	sub nuke {	2493	sub nuke {
2106	my ($self) = @_;	2494	my ($self) = @_;
2107		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
2108	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2109		2500
2110	$self->unlink_save;	2501	$self->unlink_save;
2111		2502
2112	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2508
2118	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
2119		2511
2120	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
2121	}	2513	}
2122		2514
2123	=item $maps = cf::map::tmp_maps	2515	=item $maps = cf::map::tmp_maps
…		…
2165		2557
2166	sub unique_maps() {	2558	sub unique_maps() {
2167	[	2559	[
2168	map {	2560	map {
2169	utf8::decode $_;	2561	utf8::decode $_;
2170	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2171	? normalise $_	2565	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2567	]
2175	}	2568	}
2176		2569
2177	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	}
2178		2601
2179	=back	2602	=back
2180		2603
2181	=head3 cf::object	2604	=head3 cf::object
2182		2605
…		…
2186		2609
2187	=over 4	2610	=over 4
2188		2611
2189	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2190		2613
2191	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.
2192		2616
2193	=cut	2617	=cut
2194		2618
2195	sub inv_recursive_;	2619	sub inv_recursive_;
2196	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2199		2623
2200	sub inv_recursive {	2624	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2202	}	2626	}
2203		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
2204	package cf;	2656	package cf;
2205		2657
2206	=back	2658	=back
2207		2659
2208	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
2214	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>
2215	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
2216	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2217		2669
2218	=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	};
2219		2685
2220	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2687	# with dialog boxes.
2222	#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
2223	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2703
2238	} else {	2704	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2707	}
2242	}	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 (@_);
2243	}	2719	}
2244		2720
2245	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
2246		2722
2247	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
2260		2736
2261	=item $player_object->enter_link	2737	=item $player_object->enter_link
2262		2738
2263	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}>).
2264		2740
2265	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.
2266	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.
2267		2745
2268	Will never block.	2746	Will never block.
2269		2747
2270	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2271		2749
…		…
2291	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2770	my ($self) = @_;
2293		2771
2294	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2295		2773
		2774	++$self->{_link_recursion};
		2775
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2777
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2300		2780
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2782	}
2303		2783
2304	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2306		2786
…		…
2323	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2325		2805
2326	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2329		2809
2330	$map->load;	2810	$map->load;
2331	$map->load_diag;
2332		2811
2333	return unless $self->contr->active;	2812	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2813
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2338	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2339		2821
		2822	}
		2823
2340	=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)]])
2341		2825
2342	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
2343	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2830	be called at the end of this process.
2347		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
2348	=cut	2835	=cut
2349		2836
2350	our $GOTOGEN;	2837	our $GOTOGEN;
2351		2838
2352	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2841
		2842	if ($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
2355	# 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
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2850
2358	$self->enter_link;	2851	$self->enter_link;
2359		2852
2360	(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
2361	my $map = eval {	2875	my $map = eval {
2362	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2363		2877
2364	if ($map) {	2878	if ($map) {
2365	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2881	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2883	}
2370		2884
2371	$map	2885	$map
2372	};	2886	};
2373		2887
…		…
2379	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2382	}	2896	}
2383		2897
2384	$done->() if $done;	2898	$done->($self) if $done;
2385	})->prio (1);	2899	})->prio (1);
2386	}	2900	}
2387		2901
2388	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2389		2903
…		…
2409	}	2923	}
2410		2924
2411	sub prepare_random_map {	2925	sub prepare_random_map {
2412	my ($exit) = @_;	2926	my ($exit) = @_;
2413		2927
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2930	# that depends on the exit object
2419		2931
2420	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2934	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2427	}	2941	}
2428		2942
2429	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2430		2944
2431	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2434		2948
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2951	undef $fh;
2438	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2439		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2442	}	2960	}
2443	}	2961	}
2444		2962
2445	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2447		2965
2448	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2449		2967
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2968	$self->enter_link;
2462		2969
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2970	(async {
2468	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2469	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
2470	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2471		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
2472	1;	3009	1
2473	}) {	3010	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "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. "
2476	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2478		3015
2479	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	3017	$self->leave_link;
2481	}	3018	}
2482	})->prio (1);	3019	})->prio (1);
2483	}	3020	}
2484		3021
…		…
2496	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2498		3035
2499	utf8::encode $text;	3036	utf8::encode $text;
2500	$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);
2501	}	3063	}
2502		3064
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		3066
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2509		3071
2510	=cut	3072	=cut
2511		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" => $CHAT_CHANNEL,
		3186	);
		3187
2512	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3190
2515	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2516		3193
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
2519	if (ref $channel) {	3203	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	3207	$self->ext_msg (channel_info => $channel);
2524	}	3208	}
2525		3209
2526	$channel = $channel->{id};	3210	$channel = $channel->{id};
2527	}	3211	}
2528		3212
2529	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2530		3214
2531	if ($self->can_msg) {	3215	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3217	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3218
2544	if ($color >= 0) {	3219	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3220	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3222	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3223
2549	$self->send_packet ("drawinfo $color $msg")	3224	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3225	}
2554		3226
2555	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2556		3228
2557	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2559	=cut	3231	=cut
2560		3232
2561	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2563		3235
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3236	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	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
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2572	}	3256	}
2573		3257
2574	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2575		3259
2576	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2631	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2632		3316
2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634		3318
2635	if (ref $msg) {	3319	if (ref $msg) {
2636	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2637	"ARRAY" eq ref $msg	3321
2638	? @$msg	3322	my @reply;
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3323
2641	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
2647	} else {	3331	} else {
2648	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";
2649	}	3333	}
2650		3334
2651	cf::override;	3335	cf::override;
2652	},	3336	},
2653	);	3337	);
…		…
2673		3357
2674	$coro	3358	$coro
2675	}	3359	}
2676		3360
2677	cf::client->attach (	3361	cf::client->attach (
2678	on_destroy => sub {	3362	on_client_destroy => sub {
2679	my ($ns) = @_;	3363	my ($ns) = @_;
2680		3364
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3366	},
2683	);	3367	);
…		…
2698	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2700		3384
2701	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2702		3386
2703	$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	));
2704		3392
2705	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2706		3394
2707	=pod	3395	=pod
2708		3396
2709	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2710		3398
2711	cf::object	3399	cf::object
2712	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
2713	insert remove	3401	insert remove name archname title slaying race decrease split
		3402	value
2714		3403
2715	cf::object::player	3404	cf::object::player
2716	player	3405	player
2717		3406
2718	cf::player	3407	cf::player
…		…
2723		3412
2724	=cut	3413	=cut
2725		3414
2726	for (	3415	for (
2727	["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
2728	insert remove)],	3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2732	) {	3422	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3425	for @funs;
2737	}	3426	}
2738		3427
…		…
2753		3442
2754	my $qcode = $code;	3443	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2757		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2758	local $_;	3450	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3451
2761	my $eval =	3452	my $eval =
2762	"do {\n"	3453	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3456	. $code
2766	. "\n}"	3457	. "\n}"
2767	;	3458	;
2768		3459
		3460	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	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	}
2772		3469
2773	if ($@) {	3470	if ($@) {
2774	warn "$@";	3471	warn "$@",
2775	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2777	}	3474	}
2778		3475
2779	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2780	}	3477	}
2781		3478
…		…
2795	=cut	3492	=cut
2796		3493
2797	sub register_script_function {	3494	sub register_script_function {
2798	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2799		3496
2800	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2802	}	3499	}
2803		3500
2804	=back	3501	=back
2805		3502
2806	=cut	3503	=cut
2807		3504
2808	#############################################################################	3505	#############################################################################
2809	# the server's init and main functions	3506	# the server's init and main functions
2810		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2811	sub load_facedata($) {	3510	sub load_facedata($) {
2812	my ($path) = @_;	3511	my ($path) = @_;
2813		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2814	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2815		3520
2816	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3522
2822	$facedata->{version} == 2	3523	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2825	{	3535	{
2826	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2827		3537
2828	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
2830	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
2834		3547
2835	cf::cede_to_tick;	3548	cf::cede_to_tick;
2836	}	3549	}
2837		3550
2838	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
2840	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
2841	or next;	3555	or next;
		3556
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3560	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3562	}
2848		3563
2849	cf::cede_to_tick;	3564	cf::cede_to_tick;
2850	}	3565	}
2851	}	3566	}
…		…
2860		3575
2861	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
2862	}	3577	}
2863		3578
2864	{	3579	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3581
2870	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3583	if (defined (my $type = $info->{type})) {
2872	name => $name,	3584	# TODO: different hash - must free and use new index, or cache ixface data queue
2873	copyright => $info->{copyright}, #TODO#
2874	});
2875
2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2877		3586
2878	if ($info->{type} & 1) {
2879	# prepend meta info
2880
2881	my $data = pack "(w/a*)*", $meta, $info->{data};
2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2883
2884	cf::face::set_data $idx, 0, $data, $chk;	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
2885	} else {	3591	} else {
2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3592	# $RESOURCE{$name} = $info; # unused
2887	}	3593	}
2888		3594
2889	cf::face::set_type $idx, $info->{type};
2890
2891	cf::cede_to_tick;	3595	cf::cede_to_tick;
2892	}	3596	}
2893	}	3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2894		3600
2895	1	3601	1
2896	}	3602	}
2897		3603
2898	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
…		…
2901	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
2902	$ns->fx_want ($k, $v);	3608	$ns->fx_want ($k, $v);
2903	}	3609	}
2904	};	3610	};
2905		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
		3621
2906	sub reload_regions {	3622	sub reload_regions {
		3623	# HACK to clear player env face cache, we need some signal framework
		3624	# for this (global event?)
		3625	%ext::player_env::MUSIC_FACE_CACHE = ();
		3626
2907	load_resource_file "$MAPDIR/regions"	3627	load_resource_file "$MAPDIR/regions"
2908	or die "unable to load regions file\n";	3628	or die "unable to load regions file\n";
2909		3629
2910	for (cf::region::list) {	3630	for (cf::region::list) {
2911	$_->{match} = qr/$_->{match}/	3631	$_->{match} = qr/$_->{match}/
…		…
2919	}	3639	}
2920		3640
2921	sub reload_archetypes {	3641	sub reload_archetypes {
2922	load_resource_file "$DATADIR/archetypes"	3642	load_resource_file "$DATADIR/archetypes"
2923	or die "unable to load archetypes\n";	3643	or die "unable to load archetypes\n";
2924	#d# NEED to laod twice to resolve forward references
2925	# this really needs to be done in an extra post-pass
2926	# (which needs to be synchronous, so solve it differently)
2927	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";
2929	}	3644	}
2930		3645
2931	sub reload_treasures {	3646	sub reload_treasures {
2932	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
2933	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
2934	}	3649	}
2935		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
2936	sub reload_resources {	3671	sub reload_resources {
2937	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
2938		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
2939	reload_regions;	3679	reload_regions;
2940	reload_facedata;
2941	#reload_archetypes;#d#
2942	reload_archetypes;
2943	reload_treasures;	3680	reload_treasures;
2944		3681
2945	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
2946	}	3683	}
2947		3684
2948	sub init {	3685	sub reload_config {
2949	reload_resources;	3686	trace "reloading config file...\n";
2950	}
2951		3687
2952	sub cfg_load {	3688	my $config = load_file "$CONFDIR/config";
2953	open my $fh, "<:utf8", "$CONFDIR/config"	3689	utf8::decode $config;
2954	or return;	3690	*CFG = decode_yaml $config;
2955		3691
2956	local $/;
2957	*CFG = YAML::Syck::Load <$fh>;
2958
2959	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2960		3693
2961	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2962	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2963		3696
2964	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2968	};	3701	};
2969	warn $@ if $@;	3702	warn $@ if $@;
2970	}	3703	}
2971	}	3704	}
2972		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
2973	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
2974	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2975	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2977	(async {	3747	(async {
2978	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2979	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2980	};	3751	};
2981		3752
2982	cfg_load;	3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
2983	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
2984	load_extensions;	3776	load_extensions;
2985		3777
2986	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2987	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
2988	}	3795	}
2989		3796
2990	#############################################################################	3797	#############################################################################
2991	# initialisation and cleanup	3798	# initialisation and cleanup
2992		3799
2993	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2994	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2995	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2996	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2997	reentrant => 0,
2998	data => WF_AUTOCANCEL,
2999	signal => $signal,
3000	prio => 0,
3001	cb => sub {
3002	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3003	},
3004	);	3806	};
3005	}	3807	}
3006	}	3808	}
3007		3809
3008	sub write_runtime {	3810	sub write_runtime_sync {
3009	my $runtime = "$LOCALDIR/runtime";	3811	my $t0 = AE::time;
3010		3812
3011	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3012	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3013		3815
3014	IO::AIO::aio_utime $runtime, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3015		3817
3016	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3017		3819
3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3019	or return;	3821	or return;
3020		3822
3021	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3022	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3023	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3033	aio_utime $fh, undef, undef;	3835	aio_utime $fh, undef, undef;
3034		3836
3035	close $fh	3837	close $fh
3036	or return;	3838	or return;
3037		3839
3038	aio_rename "$runtime~", $runtime	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3039	and return;	3841	and return;
3040		3842
3041	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3042		3844
3043	1	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
3044	}	3896	}
3045		3897
3046	sub emergency_save() {	3898	sub emergency_save() {
3047	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3048		3900
3049	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3050		3907
3051	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3052	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3053	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3054	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3055	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3056	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3057	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3058	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3059	$pl->save;	3919	$pl->save;
3060	}	3920	}
3061	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3062		3922
3063	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3064	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3065	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3066	$map->valid or next;	3928	$map->valid or next;
3067	$map->save;	3929	$map->save;
3068	}	3930	}
3069	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3070		3932
3071	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3072	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3073	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3074	};	3961	};
3075		3962
3076	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3077	}	3964	}
3078		3965
3079	sub post_cleanup {	3966	sub post_cleanup {
3080	my ($make_core) = @_;	3967	my ($make_core) = @_;
3081		3968
		3969	IO::AIO::flush;
		3970
3082	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3083	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
3084	}	4001	}
3085		4002
3086	sub do_reload_perl() {	4003	sub do_reload_perl() {
3087	# can/must only be called in main	4004	# can/must only be called in main
3088	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3089	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3090	return;	4007	return;
3091	}	4008	}
3092		4009
3093	warn "reloading...";	4010	return if $RELOAD++;
3094		4011
3095	warn "entering sync_job";	4012	my $t1 = AE::time;
3096		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
3097	cf::sync_job {	4020	cf::sync_job {
3098	cf::write_runtime; # external watchdog should not bark
3099	cf::emergency_save;	4021	#cf::emergency_save;
3100	cf::write_runtime; # external watchdog should not bark
3101		4022
3102	warn "syncing database to disk";
3103	BDB::db_env_txn_checkpoint $DB_ENV;
3104
3105	# if anything goes wrong in here, we should simply crash as we already saved
3106
3107	warn "cancelling all WF_AUTOCANCEL watchers";
3108	for (Event::all_watchers) {
3109	$_->cancel if $_->data & WF_AUTOCANCEL;
3110	}
3111
3112	warn "flushing outstanding aio requests";
3113	for (;;) {
3114	BDB::flush;
3115	IO::AIO::flush;
3116	Coro::cede;
3117	last unless IO::AIO::nreqs || BDB::nreqs;
3118	warn "iterate...";
3119	}
3120
3121	++$RELOAD;
3122
3123	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3124	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3125	%EXT_CORO = ();	4025	%EXT_CORO = ();
3126		4026
3127	warn "removing commands";	4027	trace "perl_reload: removing commands";
3128	%COMMAND = ();	4028	%COMMAND = ();
3129		4029
3130	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3131	%EXTCMD = ();	4031	%EXTCMD = ();
3132	%EXTICMD = ();	4032	%EXTICMD = ();
3133		4033
3134	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3135	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3136	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3137		4037
3138	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3139	eval {	4039	eval {
3140	$cb->($pkg);	4040	$cb->($pkg);
3141	1	4041	1
3142	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
3143	}	4047	}
3144		4048
3145	warn "... nuking $pkg";
3146	Symbol::delete_package $pkg;
3147	}
3148
3149	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3150	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3152		4052
3153	warn "... unloading $k";	4053	trace "... unloading $k";
3154	delete $INC{$k};	4054	delete $INC{$k};
3155		4055
3156	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3157	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3158		4058
3159	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
3160	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
3161	}	4064	}
3162		4065
3163	Symbol::delete_package $k;
3164	}
3165
3166	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3167	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3169		4069
3170	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3171	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3172	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3173		4073
3174	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3175	# and global variables created in xs	4075	# and global variables created in xs
3176	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3177		4077
3178	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3179		4079
3180	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3181	require cf;	4081	require cf;
3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3183		4083
3184	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3185	cf::cfg_load;	4085	cf::reload_config;
3186		4086
3187	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3188	cf::load_extensions;	4088	cf::load_extensions;
3189		4089
		4090	if ($REATTACH_ON_RELOAD) {
3190	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3191	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3192	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3193	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3194	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3195	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3196		4098
3197	warn "leaving sync_job";	4099	cf::_post_init 1;
3198		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
3199	1	4103	1
3200	} or do {	4104	} or do {
3201	warn $@;	4105	error $@;
3202	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
3203	exit 1;	4107	};
		4108
		4109	--$RELOAD;
3204	};	4110	}
3205		4111
3206	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3207	};	4114	};
3208		4115
3209	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3210		4117
3211	sub reload_perl() {	4118	sub reload_perl() {
3212	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3213	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3214		4121
3215	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
3216	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
3217	after => 0,	4124
3218	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3219	cb => sub {
3220	do_reload_perl;	4126	do_reload_perl;
3221	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
3222	},	4128	};
3223	);	4129	};
3224	}	4130	}
3225		4131
3226	register_command "reload" => sub {	4132	register_command "reload" => sub {
3227	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
3228		4134
3229	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
3230	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
		4137	async {
		4138	$Coro::current->{desc} = "perl_reload";
3231	async { reload_perl };	4139	reload_perl;
		4140	};
3232	}	4141	}
3233	};	4142	};
3234		4143
3235	unshift @INC, $LIBDIR;	4144	#############################################################################
3236		4145
3237	my $bug_warning = 0;	4146	my $bug_warning = 0;
3238		4147
3239	our @WAIT_FOR_TICK;
3240	our @WAIT_FOR_TICK_BEGIN;
3241
3242	sub wait_for_tick {	4148	sub wait_for_tick() {
3243	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3244	return if $Coro::current == $Coro::main;
3245		4150
3246	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3247	push @WAIT_FOR_TICK, $signal;
3248	$signal->wait;
3249	}	4152	}
3250		4153
3251	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3252	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3253	return if $Coro::current == $Coro::main;
3254		4156
3255	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3256	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3257	$signal->wait;	4159	$signal->wait;
3258	}	4160	}
3259		4161
3260	my $min = 1e6;#d#	4162	sub tick {
3261	my $avg = 10;
3262	$TICK_WATCHER = Event->timer (
3263	reentrant => 0,
3264	parked => 1,
3265	prio => 0,
3266	at => $NEXT_TICK || $TICK,
3267	data => WF_AUTOCANCEL,
3268	cb => sub {
3269	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3271	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3272	return;	4166	return;
3273	}	4167	}
3274		4168
3275	$NOW = $tick_start = Event::time;	4169	cf::one_tick; # one server iteration
3276		4170
3277	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3278		4172
3279	0 && sync_job {#d#	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3280	for(1..10) {	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3281	my $t = Event::time;	4175	Coro::async_pool {
3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4176	$Coro::current->{desc} = "runtime saver";
3283	or die;	4177	write_runtime_sync
3284		4178	or error "ERROR: unable to write runtime file: $!";
3285	$map->width (50);
3286	$map->height (50);
3287	$map->alloc;
3288	$map->_load_objects ("/tmp/x.map", 1);
3289	my $t = Event::time - $t;
3290
3291	#next unless $t < 0.0013;#d#
3292	if ($t < $min) {
3293	$min = $t;
3294	}
3295	$avg = $avg * 0.99 + $t * 0.01;
3296	}
3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3298	exit 0;
3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3300	};	4179	};
		4180	}
3301		4181
3302	$RUNTIME += $TICK;
3303	$NEXT_TICK += $TICK;
3304
3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
3307	Coro::async_pool {
3308	write_runtime
3309	or warn "ERROR: unable to write runtime file: $!";
3310	};
3311	}
3312
3313	# my $AFTER = Event::time;
3314	# warn $AFTER - $NOW;#d#
3315
3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3317	$sig->send;	4183	$sig->send;
3318	}	4184	}
3319	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3320	$sig->send;
3321	}
3322		4186
3323	$NOW = Event::time;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3324
3325	# if we are delayed by four ticks or more, skip them all
3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3327
3328	$TICK_WATCHER->at ($NEXT_TICK);
3329	$TICK_WATCHER->start;
3330
3331	$LOAD = ($NOW - $tick_start) / $TICK;
3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3333		4189
3334	_post_tick;	4190	if (0) {
3335		4191	if ($NEXT_TICK) {
3336		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
3337	},	4196	}
3338	);	4197	}
3339		4198
3340	{	4199	{
3341	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
3342	$BDB_POLL_WATCHER = Event->io (	4201
3343	reentrant => 0,
3344	fd => BDB::poll_fileno,
3345	poll => 'r',
3346	prio => 0,
3347	data => WF_AUTOCANCEL,
3348	cb => \&BDB::poll_cb,
3349	);
3350	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3351		4203	BDB::max_poll_reqs $TICK * 0.1;
3352	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3353	my $status;
3354	my $current = $Coro::current;
3355	(
3356	sub {
3357	$status = $!;
3358	$current->ready; undef $current;
3359	},
3360	sub {
3361	Coro::schedule while defined $current;
3362	$! = $status;
3363	},
3364	)
3365	};
3366		4205
3367	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3368	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3369		4213
3370	cf::sync_job {	4214	cf::sync_job {
3371	eval {	4215	eval {
3372	BDB::db_env_open	4216	BDB::db_env_open
3373	$DB_ENV,	4217	$DB_ENV,
…		…
3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3377	0666;	4221	0666;
3378		4222
3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3380
3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3382	$DB_ENV->set_lk_detect;
3383	};	4224	};
3384		4225
3385	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
3386	};	4227	};
3387	}	4228	}
		4229
		4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4232	};
		4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4235	};
		4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4238	};
3388	}	4239	}
3389		4240
3390	{	4241	{
		4242	# configure IO::AIO
		4243
3391	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3392
3393	undef $Coro::AIO::WATCHER;
3394	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3395	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
3396	reentrant => 0,
3397	data => WF_AUTOCANCEL,
3398	fd => IO::AIO::poll_fileno,
3399	poll => 'r',
3400	prio => 6,
3401	cb => \&IO::AIO::poll_cb,
3402	);
3403	}	4247	}
3404		4248
3405	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3406		4251
3407	sub _log_backtrace {	4252	sub _log_backtrace {
3408	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3409		4254
3410	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3411		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3412	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3413	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3414	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3415	async {	4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
3416	my @bt = fork_call {	4268	my @bt = fork_call {
3417	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3420	or die "addr2line: $!";	4272	or die "addr2line: $!";
…		…
3428	}	4280	}
3429		4281
3430	@funcs	4282	@funcs
3431	};	4283	};
3432		4284
3433	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3434	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3435	--$_log_backtrace;	4288	--$_log_backtrace;
3436	};	4289	};
3437	} else {	4290	} else {
3438	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3439	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3440	}	4293	}
3441	}	4294	}
3442		4295
3443	# load additional modules	4296	# load additional modules
3444	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3445		4299
3446	END { cf::emergency_save }	4300	END { cf::emergency_save }
3447		4301
3448	1	4302	1
3449		4303

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