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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 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 Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	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;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	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;
62	our $NOW;	139	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		140
65	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		144
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
85	binmode STDOUT;	161	binmode STDOUT;
86	binmode STDERR;	162	binmode STDERR;
87		163
88	# read virtual server time, if available	164	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
93	}	169	}
94		170
95	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	172
97	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		175
102	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
103		177
104	sub cf::map::normalise;	178	sub cf::map::normalise;
105		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
106	#############################################################################	184	#############################################################################
107		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
108	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
109		198
110	=over 4	199	=over 4
111		200
112	=item $cf::UPTIME	201	=item $cf::UPTIME
113		202
114	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.
115		219
116	=item $cf::RUNTIME	220	=item $cf::RUNTIME
117		221
118	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
119	every server tick.	223	every server tick.
120		224
121	=item $cf::LIBDIR	225	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		226	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		227	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		228
123	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		231	unique-items directory, player file directory, random maps directory and
		232	database environment.
125		233
		234	=item $cf::LOADAVG
		235
		236	The current CPU load on the server (alpha-smoothed), as a value between 0
		237	(none) and 1 (overloaded), indicating how much time is spent on processing
		238	objects per tick. Healthy values are < 0.5.
		239
126	=item $cf::NOW	240	=item $cf::LOAD
127		241
128	The time of the last (current) server tick.	242	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		243
134	=item %cf::CFG	244	=item %cf::CFG
135		245
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	247	from wherever your confdir points to.
138		248
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		250
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		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.
145		283
146	=back	284	=back
147		285
148	=cut	286	=cut
149		287
150	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	295	my $msg = join "", @_;
153	utf8::encode $msg;
154		296
155	$msg .= "\n"	297	$msg .= "\n"
156	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
157		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
158	LOG llevError, $msg;	302	LOG llevWarn, $msg;
159	};	303	};
160	}	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	};
161		318
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		326
169	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	328	# within the Safe compartment.
171	for my $pkg (qw(	329	for my $pkg (qw(
172	cf::global cf::attachable	330	cf::global cf::attachable
173	cf::object cf::object::player	331	cf::object cf::object::player
174	cf::client cf::player	332	cf::client cf::player
175	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
176	cf::map cf::party cf::region	335	cf::party cf::region
177	)) {	336	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	338	}
181		339
182	$Event::DIED = sub {	340	$EV::DIED = sub {
183	warn "error in event callback: @_";	341	warn "error in event callback: $@";
184	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
185		350
186	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
187		352
188	=over 4	353	=over 4
189		354
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	374	$d
210	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
211	}	376	}
212		377
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
214		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
215	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
216		431
217	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
218		433
219	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
220		435
221	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
222		437
		438	=cut
		439
		440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		441
		442	sub encode_json($) { $json_coder->encode ($_[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	}
		506
223	=item cf::lock_wait $string	507	=item cf::lock_wait $string
224		508
225	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
226		510
227	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
228		512
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
232	returned.	516	returned.
233		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
234	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
235	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
236		523
237	=cut	524	=item $locked = cf::lock_active $string
238		525
239	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
240		531
241	sub lock_wait($) {	532	sub lock_wait($) {
242	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	534	}
250		535
251	sub lock_acquire($) {	536	sub lock_acquire($) {
252	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
253		539
254	# wait, to be sure we are not locked	540	sub lock_active($) {
255	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	542	}
264		543
265	sub freeze_mainloop {	544	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
267		546
268	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
270	};	617	}
271	$TICK_WATCHER->stop;	618	};
272	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
273	}	633	}
274		634
275	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
276		636
277	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		642
283	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
284		644
285	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
286		646
287	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
290		651
291	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
294	fast or be very important.	655	fast or be very important.
…		…
296	=cut	657	=cut
297		658
298	sub sync_job(&) {	659	sub sync_job(&) {
299	my ($job) = @_;	660	my ($job) = @_;
300		661
301	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
302	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
304		667
305	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	669
307	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
308		671
309	my $busy = 1;	672	my $busy = 1;
310	my @res;	673	my @res;
311		674
312	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	677	@res = eval { $job->() };
314	warn $@ if $@;	678	error $@ if $@;
315	undef $busy;	679	undef $busy;
316	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
317		681
318	while ($busy) {	682	while ($busy) {
319	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
320	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
321		693
322	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
323	} else {	695	} else {
324	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
325		697
…		…
345	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
346		718
347	$coro	719	$coro
348	}	720	}
349		721
350	sub write_runtime {	722	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		723
353	my $runtime = cf::localdir . "/runtime";	724	Executes the given code block with the given arguments in a seperate
		725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
354		728
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	=cut
356	or return;
357		730
358	my $value = $cf::RUNTIME + 90 + 10;	731	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	732	reset_signals;
360	# 60 allows for the watchdog to kill the server.	733	}
361		734
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub fork_call(&@) {
363	and return;	736	my ($cb, @args) = @_;
364		737
365	# always fsync - this file is important	738	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	739	# otherwise perl prematurely frees the stuff :/
367	and return;	740	# TODO: investigate and fix (likely this will be rather laborious)
368		741
369	close $fh	742	my @res = Coro::Util::fork_eval {
370	or return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
371		746
372	aio_rename "$runtime~", $runtime	747	wantarray ? @res : $res[-1]
373	and return;	748	}
374		749
		750	sub objinfo {
375	1	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
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		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	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
		914	}
		915
		916	=item cf::datalog type => key => value, ...
		917
		918	Log a datalog packet of the given type with the given key-value pairs.
		919
		920	=cut
		921
		922	sub datalog($@) {
		923	my ($type, %kv) = @_;
		924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	925	}
377		926
378	=back	927	=back
379		928
380	=cut	929	=cut
381		930
382	#############################################################################	931	#############################################################################
383		932
384	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
385		934
386	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
387	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")
388	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
389		938
390	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>
391	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
392	crossfire+).	941	Deliantra).
393		942
394	=over 4	943	=over 4
395		944
396	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
397		946
…		…
441	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
442		991
443	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
445		994
446	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		997
449	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
450		999
451	=over 4	1000	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
561		1110
562	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1115
567	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
569		1118
570	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
575		1124
576	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1127
579	} elsif (ref $type) {	1128	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
581		1130
582	} else {	1131	} else {
583	shift @arg;	1132	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
585	}	1134	}
586	}	1135	}
587	}	1136	}
588		1137
589	sub _object_attach {	1138	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
600	}	1149	}
601		1150
602	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
603	} else {	1152	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1154	}
606		1155
607	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
608	}	1157	}
609		1158
…		…
611	if (ref $_[0]) {	1160	if (ref $_[0]) {
612	_object_attach @_;	1161	_object_attach @_;
613	} else {	1162	} else {
614	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
615	}	1164	}
		1165	_recalc_want;
616	};	1166	};
617		1167
618	# all those should be optimised	1168	# all those should be optimised
619	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1174	reattach ($obj);
625	} else {	1175	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
627	}	1177	}
		1178	_recalc_want;
628	};	1179	};
629		1180
630	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
632		1183
…		…
647	";	1198	";
648	die if $@;	1199	die if $@;
649	}	1200	}
650		1201
651	our $override;	1202	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1204
654	sub override {	1205	sub override {
655	$override = 1;	1206	$override = 1;
656	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
657	}	1208	}
658		1209
659	sub do_invoke {	1210	sub do_invoke {
660	my $event = shift;	1211	my $event = shift;
661	my $callbacks = shift;	1212	my $callbacks = shift;
662		1213
663	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
664		1215
665	local $override;	1216	local $override;
666		1217
667	for (@$callbacks) {	1218	for (@$callbacks) {
668	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
669		1220
670	if ($@) {	1221	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1223	override;
674	}	1224	}
675		1225
676	return 1 if $override;	1226	return 1 if $override;
677	}	1227	}
678		1228
679	0	1229	0
680	}	1230	}
681		1231
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1233
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1235
686	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
687		1237
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1241
692	=back	1242	=back
693		1243
694	=cut	1244	=cut
695		1245
696	#############################################################################	1246	#############################################################################
697	# object support	1247	# object support
		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 $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
698		1290
699	sub reattach {	1291	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1293	my ($obj) = @_;
702		1294
		1295	# no longer needed after getting rid of delete_package?
703	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
704		1297
705	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
706		1299
707	@$registry = ();	1300	@$registry = ();
708		1301
…		…
713	for (@$attach) {	1306	for (@$attach) {
714	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
716	}	1309	}
717	} else {	1310	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1312	}
720	}	1313	}
721	}	1314	}
722		1315
723	cf::attachable->attach (	1316	cf::attachable->attach (
724	prio => -1000000,	1317	prio => -1000000,
725	on_instantiate => sub {	1318	on_instantiate => sub {
726	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
727		1320
728	$data = from_json $data;	1321	$data = decode_json $data;
729		1322
730	for (@$data) {	1323	for (@$data) {
731	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
732		1325
733	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1342	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
751		1344
752	sync_job {	1345	sync_job {
753	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
756		1351
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1359	aio_close $fh;
762		1360
763	if (@$objs) {	1361	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1370	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
771	}	1372	}
772	} else {	1373	} else {
773	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
774	}	1375	}
775		1376
776	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1381	} else {
778	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
779	}	1383	}
780	} else {	1384	} else {
781	aio_unlink $filename;	1385	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
783	}	1387	}
784	}	1388	};
785	}	1389	}
786		1390
787	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
789		1393
…		…
801	or return;	1405	or return;
802		1406
803	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
805	or return;	1409	or return;
		1410
806	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
807	}	1413	}
808		1414
		1415	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
811	return ($data, $av);	1420	($data, $av)
812	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
813		1428
814	#############################################################################	1429	#############################################################################
815	# command handling &c	1430	# command handling &c
816		1431
817	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1446	}
832		1447
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1449
835	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
836		1455
837	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
838	called.	1457	called.
839		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
840	=cut	1470	=cut
841		1471
842	sub register_extcmd {	1472	sub register_extcmd {
843	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
844		1474
845	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
846	}	1476	}
847		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
848	cf::player->attach (	1486	cf::player->attach (
849	on_command => sub {	1487	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
851		1489
852	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
853	or return;	1491	or return;
854		1492
…		…
859	cf::override;	1497	cf::override;
860	},	1498	},
861	on_extcmd => sub {	1499	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
863		1501
864	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1503
866	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
872	} else {	1516	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1518	}
875		1519
876	cf::override;	1520	cf::override;
877	},	1521	},
878	);	1522	);
879		1523
		1524	# "readahead" all extensions
880	sub load_extension {	1525	sub cache_extensions {
881	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
882		1527
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1531	}
908	die $@;
909	}	1532	};
910		1533
911	push @EXTS, $pkg;	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;
912	}	1546	}
913		1547
914	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
915	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1557	next unless -r $path;
917	eval {	1558
918	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		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 $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
919	1	1631	}
920	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1643	}
921	}	1644	};
922	}	1645	}
923		1646
924	#############################################################################	1647	#############################################################################
925		1648
		1649	=back
		1650
926	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
927		1652
928	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
929		1654
930	=cut	1655	=cut
931		1656
932	package cf::player;	1657	package cf::player;
933		1658
…		…
935		1660
936	=head3 cf::player	1661	=head3 cf::player
937		1662
938	=over 4	1663	=over 4
939		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	}
		1678
940	=item cf::player::find $login	1679	=item cf::player::find $login
941		1680
942	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
943		1682
944	=cut	1683	=cut
945		1684
946	sub playerdir($) {	1685	sub playerdir($) {
947	cf::localdir	1686	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1688	}
953		1689
954	sub path($) {	1690	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1692
957	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
958	}	1694	}
959		1695
960	sub find_active($) {	1696	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
965		1701
966	sub exists($) {	1702	sub exists($) {
967	my ($login) = @_;	1703	my ($login) = @_;
968		1704
969	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
971	}	1707	}
972		1708
973	sub find($) {	1709	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1711	my $login = $_[0];
976		1712
977	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
978		1714
979	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1716	# rename old playerfiles to new ones
		1717	#TODO: remove when no longer required
		1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1721	aio_unlink +(playerdir $login) . "/$login.pl";
		1722
		1723	my $f = new_from_file cf::object::thawer path $login
981	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;
982	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
983	}	1732	}
984	}	1733	}
985	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
986		1748
987	sub save($) {	1749	sub save($) {
988	my ($pl) = @_;	1750	my ($pl) = @_;
989		1751
990	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
996		1758
997	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
999		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
1000	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1001	Coro::cede;	1768	cf::cede_to_tick;
1002	}	1769	}
1003		1770
1004	sub new($) {	1771	sub new($) {
1005	my ($login) = @_;	1772	my ($login) = @_;
1006		1773
…		…
1012	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1013		1780
1014	$self	1781	$self
1015	}	1782	}
1016		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
1017	=item $pl->quit_character	1794	=item $pl->quit_character
1018		1795
1019	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1021		1798
…		…
1025	my ($pl) = @_;	1802	my ($pl) = @_;
1026		1803
1027	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1028		1805
1029	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1030	$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
1031		1808
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1035	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1036		1817
1037	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1069		1850
1070	=cut	1851	=cut
1071		1852
1072	sub list_logins {	1853	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1855	or return [];
1075		1856
1076	my @logins;	1857	my @logins;
1077		1858
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1082		1869
1083	utf8::decode $login;	1870	utf8::decode $login;
1084	push @logins, $login;	1871	push @logins, $login;
1085	}	1872	}
1086		1873
1087	\@logins	1874	\@logins
1088	}	1875	}
1089		1876
1090	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1091		1880
1092	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1093	player. May block.	1882	player. May block.
1094		1883
1095	=cut	1884	=cut
…		…
1113	}	1902	}
1114		1903
1115	\@paths	1904	\@paths
1116	}	1905	}
1117		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1119		1912
1120	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1121		1914
1122	=cut	1915	=cut
1123		1916
1124	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1126		1919
1127	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1921	}
1131		1922
1132	package cf;	1923	=item $player->ext_msg ($type, @msg)
		1924
		1925	Sends an ext event to the client.
		1926
		1927	=cut
		1928
		1929	sub ext_msg($$@) {
		1930	my ($self, $type, @msg) = @_;
		1931
		1932	$self->ns->ext_msg ($type, @msg);
		1933	}
		1934
		1935	=head3 cf::region
		1936
		1937	=over 4
		1938
		1939	=cut
		1940
		1941	package cf::region;
		1942
		1943	=item cf::region::find_by_path $path
		1944
		1945	Tries to decuce the likely region for a map knowing only its path.
		1946
		1947	=cut
		1948
		1949	sub find_by_path($) {
		1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
		1954	my ($match, $specificity);
		1955
		1956	for my $region (list) {
		1957	if ($region->{match} && $path =~ $region->{match}) {
		1958	($match, $specificity) = ($region, $region->specificity)
		1959	if $region->specificity > $specificity;
		1960	}
		1961	}
		1962
		1963	$match
		1964	}
1133		1965
1134	=back	1966	=back
1135
1136		1967
1137	=head3 cf::map	1968	=head3 cf::map
1138		1969
1139	=over 4	1970	=over 4
1140		1971
…		…
1152	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1154		1985
1155	sub generate_random_map {	1986	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1158	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	1992	}
1172		1993
1173	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1174		1995
1175	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
…		…
1180		2001
1181	sub register {	2002	sub register {
1182	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	2004	my $pkg = caller;
1184		2005
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		2007
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	2009	}
1190		2010
1191	# also paths starting with '/'	2011	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		2013
1194	sub thawer_merge {	2014	sub thawer_merge {
1195	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1196		2016
1197	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1198	local $self->{path};	2018	local $self->{path};
1199	local $self->{load_path};	2019	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		2020
1203	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1204	}	2022	}
1205		2023
1206	sub normalise {	2024	sub normalise {
1207	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1208		2026
1209	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1210		2028
1211	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1212		2030
1213	# map plan:	2031	# map plan:
1214	#	2032	#
…		…
1229	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	2048	$path = "$base/$path";
1231	}	2049	}
1232		2050
1233	for ($path) {	2051	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1237	}	2054	}
1238		2055
1239	$path	2056	$path
…		…
1253	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1254	return $self;	2071	return $self;
1255	}	2072	}
1256	}	2073	}
1257		2074
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	2076	()
1260	}	2077	}
1261		2078
		2079	# may re-bless or do other evil things
1262	sub init {	2080	sub init {
1263	my ($self) = @_;	2081	my ($self) = @_;
1264		2082
1265	$self	2083	$self
1266	}	2084	}
…		…
1278		2096
1279	# the original (read-only) location	2097	# the original (read-only) location
1280	sub load_path {	2098	sub load_path {
1281	my ($self) = @_;	2099	my ($self) = @_;
1282		2100
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1284	}	2102	}
1285		2103
1286	# the temporary/swap location	2104	# the temporary/swap location
1287	sub save_path {	2105	sub save_path {
1288	my ($self) = @_;	2106	my ($self) = @_;
1289		2107
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1292	}	2110	}
1293		2111
1294	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1295	sub uniq_path {	2113	sub uniq_path {
1296	my ($self) = @_;	2114	my ($self) = @_;
1297		2115
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1300	}	2118	}
1301		2119
1302	# and all this just because we cannot iterate over	2120	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2121	my ($self) = @_;
1306		2122
1307	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1309	}	2126	}
1310		2127
1311	sub unlink_save {	2128	sub unlink_save {
1312	my ($self) = @_;	2129	my ($self) = @_;
1313		2130
…		…
1318		2135
1319	sub load_header_from($) {	2136	sub load_header_from($) {
1320	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1321		2138
1322	utf8::encode $path;	2139	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2141	or return;
1328		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1329	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1330		2150
1331	1	2151	1
1332	}	2152	}
1333		2153
		2154	# used to laod the header of an original map
1334	sub load_header_orig {	2155	sub load_header_orig {
1335	my ($self) = @_;	2156	my ($self) = @_;
1336		2157
1337	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1338	}	2159	}
1339		2160
		2161	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2162	sub load_header_temp {
1341	my ($self) = @_;	2163	my ($self) = @_;
1342		2164
1343	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1344	}	2166	}
1345		2167
		2168	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2169	sub prepare_temp {
1347	my ($self) = @_;	2170	my ($self) = @_;
1348		2171
1349	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1351	# safety	2174	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2177	}
1355		2178
		2179	# called after loading the header from an original map
1356	sub prepare_orig {	2180	sub prepare_orig {
1357	my ($self) = @_;	2181	my ($self) = @_;
1358		2182
1359	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2195	$self->load_header_orig
1372	or return;	2196	or return;
1373	$self->prepare_orig;	2197	$self->prepare_orig;
1374	}	2198	}
1375		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
		2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
1376	1	2206	1
1377	}	2207	}
1378		2208
1379	sub find;	2209	sub find;
1380	sub find {	2210	sub find {
1381	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1382		2212
		2213	cf::cede_to_tick;
		2214
1383	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1384		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2219
1387	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1390	or return;	2222	or return;
1391		2223
1392	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1393		2225
1394	$map->load_header	2226	$map->load_header
1395	or return;	2227	or return;
1396		2228
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1400	$map->reset;	2234	$map->reset;
1401	undef $guard;
1402	return find $path;	2235	return find $path;
1403	}	2236	}
1404		2237
1405	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1406	}	2239	}
1407	}	2240	}
1408		2241
1409	sub pre_load { }	2242	sub pre_load { }
1410	sub post_load { }	2243	#sub post_load { } # XS
1411		2244
1412	sub load {	2245	sub load {
1413	my ($self) = @_;	2246	my ($self) = @_;
1414		2247
1415	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1416		2249
1417	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1419		2254
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1421		2257
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2258	$self->alloc;
1425		2259
1426	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1427		2262
1428	$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)
1429	or return;	2267	or return;
1430		2268
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1432	if delete $self->{load_original};	2270	if delete $self->{load_original};
1433		2271
1434	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2273	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2276	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1439	}	2281	}
1440	}
1441		2282
1442	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1443		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1444	# now do the right thing for maps	2292	# now do the right thing for maps
1445	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2295	unless $self->difficulty;
1455	Coro::cede;	2296	cf::cede_to_tick;
1456	$self->activate;	2297
		2298	unless ($self->{deny_activate}) {
		2299	$self->decay_objects;
		2300	$self->fix_auto_apply;
		2301	$self->update_buttons;
		2302	cf::cede_to_tick;
		2303	#$self->activate; # no longer activate maps automatically
		2304	}
		2305
		2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1457	}	2308	}
1458		2309
1459	$self->post_load;	2310	$self->post_load;
1460		2311
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1462	}	2313	}
1463		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
1464	sub customise_for {	2318	sub customise_for {
1465	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1466		2320
1467	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2322	if $self->per_player;
1469		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1470	$self	2327	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($map) = @_;
1476
1477	my @diag; # diagonal neighbours
1478
1479	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)
1481	or next;
1482	$neigh = find $neigh, $map
1483	or next;
1484	$neigh->load;
1485
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}
1489
1490	for (@diag) {
1491	my $neigh = find @$_
1492	or next;
1493	$neigh->load;
1494	}
1495	}	2328	}
1496		2329
1497	sub find_sync {	2330	sub find_sync {
1498	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1499		2332
1500	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
1501	}	2338	}
1502		2339
1503	sub do_load_sync {	2340	sub do_load_sync {
1504	my ($map) = @_;	2341	my ($map) = @_;
1505		2342
1506	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;
1507	}	2348	}
1508		2349
1509	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1511		2352
1512	sub find_async {	2353	sub find_async {
1513	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1514		2355
1515	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1516		2357
1517	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1519	}	2360	}
1520		2361
1521	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1522	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1523	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2369	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2370	$map->load if $v;
		2371	}
1528		2372
1529	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1530	}	2374	}
1531	}	2375	}
1532	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1533	};	2377	};
1534	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1535		2379
1536	()	2380	()
1537	}	2381	}
1538		2382
		2383	# common code, used by both ->save and ->swapout
1539	sub save {	2384	sub _save {
1540	my ($self) = @_;	2385	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2386
1544	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1545		2388
1546	return unless $self->dirty;	2389	return unless $self->dirty;
1547		2390
…		…
1553	return if $self->{deny_save};	2396	return if $self->{deny_save};
1554		2397
1555	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1556		2399
1557	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1559	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1560		2406
1561	if ($uniq) {	2407	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2410	} else {
1565	$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);
1566	}	2412	}
1567	}	2413	}
1568		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1569	sub swap_out {	2423	sub swap_out {
1570	my ($self) = @_;	2424	my ($self) = @_;
1571		2425
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1577	return if $self->players;	2430	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		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
1581	$self->clear;	2441	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2442	}
1584		2443
1585	sub reset_at {	2444	sub reset_at {
1586	my ($self) = @_;	2445	my ($self) = @_;
1587		2446
1588	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1591		2449
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2452
…		…
1605	my ($self) = @_;	2463	my ($self) = @_;
1606		2464
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2466
1609	return if $self->players;	2467	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2468
1612	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1613		2470
1614	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1615		2472
1616	# need to save uniques path	2473	# need to save uniques path
1617	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2476
…		…
1621	if $uniq;	2478	if $uniq;
1622	}	2479	}
1623		2480
1624	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1625		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2485	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2486
1630	$self->unlink_save;	2487	$self->unlink_save;
1631	$self->destroy;	2488	$self->destroy;
1632	}	2489	}
1633		2490
1634	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1635		2492
1636	sub nuke {	2493	sub nuke {
1637	my ($self) = @_;	2494	my ($self) = @_;
1638		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1639	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1640		2500
1641	$self->unlink_save;	2501	$self->unlink_save;
1642		2502
1643	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2508
1649	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1650		2511
1651	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1652	}	2549	}
1653		2550
1654	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1655		2552
1656	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2554	instantiated unique items. May block.
1658		2555
1659	=cut	2556	=cut
1660		2557
1661	sub unique_maps() {	2558	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1663	or return;	2560	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2561	utf8::decode $_;
1669	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2564	? ()
1672	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2567	]
1674
1675	\@paths
1676	}	2568	}
1677		2569
1678	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	}
1679		2601
1680	=back	2602	=back
1681		2603
1682	=head3 cf::object	2604	=head3 cf::object
1683		2605
…		…
1687		2609
1688	=over 4	2610	=over 4
1689		2611
1690	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1691		2613
1692	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.
1693		2616
1694	=cut	2617	=cut
1695		2618
1696	sub inv_recursive_;	2619	sub inv_recursive_;
1697	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1700		2623
1701	sub inv_recursive {	2624	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1703	}	2626	}
1704		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
1705	package cf;	2656	package cf;
1706		2657
1707	=back	2658	=back
1708		2659
1709	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1718		2669
1719	=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	};
1720		2685
1721	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2687	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1726		2691
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2693
1729	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1731	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1734	}	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 (@_);
1735	}	2719	}
1736		2720
1737	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1738		2722
1739	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1752		2736
1753	=item $player_object->enter_link	2737	=item $player_object->enter_link
1754		2738
1755	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}>).
1756		2740
1757	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.
1758	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.
1759		2745
1760	Will never block.	2746	Will never block.
1761		2747
1762	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1763		2749
…		…
1783	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2770	my ($self) = @_;
1785		2771
1786	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1787		2773
		2774	++$self->{_link_recursion};
		2775
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2777
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1792		2780
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2782	}
1795		2783
1796	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1798		2788
1799	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1800		2790
1801	unless ($map) {	2791	unless ($map) {
1802	# restore original map position	2792	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1815		2805
1816	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1819		2809
1820	$map->load;	2810	$map->load;
1821	$map->load_diag;
1822		2811
1823	return unless $self->contr->active;	2812	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2813
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1828	}	2816	# entering was successful
1829		2817	delete $self->{_link_recursion};
1830	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2819	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2820	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2821
1844	# try to abort aborted map switching on player login :)	2822	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2823
1862	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2825
		2826	Moves the player to the given map-path and coordinates by first freezing
		2827	her, loading and preparing them map, calling the provided $check callback
		2828	that has to return the map if sucecssful, and then unfreezes the player on
		2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		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
1864	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1865		2838
1866	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		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
		2848	# do generation counting so two concurrent goto's will be executed in-order
		2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2850
1869	$self->enter_link;	2851	$self->enter_link;
1870		2852
1871	(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
1872	my $map = eval {	2875	my $map = eval {
1873	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
		2881	} else {
		2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
		2884
1875	$map	2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2891	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1880	})->prio (1);	2899	})->prio (1);
1881	}	2900	}
1882		2901
1883	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1884		2903
…		…
1904	}	2923	}
1905		2924
1906	sub prepare_random_map {	2925	sub prepare_random_map {
1907	my ($exit) = @_;	2926	my ($exit) = @_;
1908		2927
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2930	# that depends on the exit object
1914		2931
1915	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2934	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1922	}	2941	}
1923		2942
1924	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1925		2944
1926	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1929		2948
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2951	undef $fh;
1933	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1934		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1937	}	2960	}
1938	}	2961	}
1939		2962
1940	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1942		2965
1943	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1944		2967
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2968	$self->enter_link;
1955		2969
1956	(async {	2970	(async {
1957	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1958	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
1959	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1960		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
1961	1;	3009	1
1962	}) {	3010	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1967		3015
1968	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	3017	$self->leave_link;
1970	}	3018	}
1971	})->prio (1);	3019	})->prio (1);
1972	}	3020	}
1973		3021
…		…
1987		3035
1988	utf8::encode $text;	3036	utf8::encode $text;
1989	$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);
1990	}	3038	}
1991		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);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		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
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		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
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
		3227	=item $client->ext_msg ($type, @msg)
		3228
		3229	Sends an ext event to the client.
		3230
		3231	=cut
		3232
		3233	sub cf::client::ext_msg($$@) {
		3234	my ($self, $type, @msg) = @_;
		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3256	}
1992		3257
1993	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1994		3259
1995	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3263
1999	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3265	become reliable at some point in the future.
2001		3266
2002	=cut	3267	=cut
2003		3268
2004	sub cf::client::query {	3269	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3278	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3280
2016	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2018	}	3285	}
2019		3286
2020	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2021	on_reply => sub {	3293	on_reply => sub {
2022	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2023		3295
2024	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2025	# get handled first	3297	# get handled first
…		…
2037	} else {	3309	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3311	}
2040	}	3312	}
2041	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
2042	);	3337	);
2043		3338
2044	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2045		3340
2046	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3357
2063	$coro	3358	$coro
2064	}	3359	}
2065		3360
2066	cf::client->attach (	3361	cf::client->attach (
2067	on_destroy => sub {	3362	on_client_destroy => sub {
2068	my ($ns) = @_;	3363	my ($ns) = @_;
2069		3364
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3366	},
2072	);	3367	);
…		…
2087	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2089		3384
2090	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2091		3386
2092	$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	));
2093		3392
2094	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2095		3394
2096	=pod	3395	=pod
2097		3396
2098	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2099		3398
2100	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2101	cf::object::player player	3404	cf::object::player
2102	cf::player peaceful	3405	player
2103	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2104		3412
2105	=cut	3413	=cut
2106		3414
2107	for (	3415	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2112	) {	3422	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3425	for @funs;
2117	}	3426	}
2118		3427
…		…
2133		3442
2134	my $qcode = $code;	3443	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2137		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2138	local $_;	3450	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3451
2141	my $eval =	3452	my $eval =
2142	"do {\n"	3453	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3456	. $code
2146	. "\n}"	3457	. "\n}"
2147	;	3458	;
2148		3459
		3460	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	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	}
2152		3469
2153	if ($@) {	3470	if ($@) {
2154	warn "$@";	3471	warn "$@",
2155	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2157	}	3474	}
2158		3475
2159	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2160	}	3477	}
2161		3478
…		…
2175	=cut	3492	=cut
2176		3493
2177	sub register_script_function {	3494	sub register_script_function {
2178	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2179		3496
2180	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2182	}	3499	}
2183		3500
2184	=back	3501	=back
2185		3502
2186	=cut	3503	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3504
2260	#############################################################################	3505	#############################################################################
2261	# the server's init and main functions	3506	# the server's init and main functions
2262		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2263	sub load_facedata {	3510	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	3511	my ($path) = @_;
2265		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
2266	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2267		3520
2268	my $faces;	3521	my $facedata = decode_storable load_file $path;
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3522
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3523	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3525
2280	while (my ($face, $info) = each %$faces) {	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
		3535	{
		3536	my $faces = $facedata->{faceinfo};
		3537
		3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541
		3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	Coro::cede;	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2286	}	3547	$FACEHASH{$info->{hash64}} = $idx;#d#
2287		3548
		3549	cf::cede_to_tick;
		3550	}
		3551
2288	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2290	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
		3556	or next;
		3557
		3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
		3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3561	} else {
		3562	error "smooth face '$info->{smooth}' not found for face '$face'";
		3563	}
		3564
		3565	cf::cede_to_tick;
		3566	}
		3567	}
		3568
		3569	{
		3570	my $anims = $facedata->{animinfo};
		3571
		3572	while (my ($anim, $info) = each %$anims) {
		3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3574	cf::cede_to_tick;
		3575	}
		3576
		3577	cf::anim::invalidate_all; # d'oh
		3578	}
		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
		3602	1
		3603	}
		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
		3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
		3628	load_resource_file "$MAPDIR/regions"
		3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
		3635	}
		3636
		3637	sub reload_facedata {
		3638	load_facedata "$DATADIR/facedata"
		3639	or die "unable to load facedata\n";
		3640	}
		3641
		3642	sub reload_archetypes {
		3643	load_resource_file "$DATADIR/archetypes"
		3644	or die "unable to load archetypes\n";
		3645	}
		3646
		3647	sub reload_treasures {
		3648	load_resource_file "$DATADIR/treasures"
		3649	or die "unable to load treasurelists\n";
		3650	}
		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
2291	or next;	3659	or next;
2292	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;
2294	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}
2297	Coro::cede;
2298	}
2299		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2300	1	3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
2301	}	3670	}
2302		3671
2303	sub reload_resources {	3672	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3673	trace "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	3674
		3675	reload_exp_table;
		3676	reload_materials;
2306	load_facedata	3677	reload_facedata;
2307	or die "unable to load facedata\n";#d#	3678	reload_sound;
2308	}	3679	reload_archetypes;
2309
2310	sub init {
2311	reload_resources;	3680	reload_regions;
2312	}	3681	reload_treasures;
2313		3682
2314	sub cfg_load {	3683	trace "finished reloading resource files\n";
2315	open my $fh, "<:utf8", cf::confdir . "/config"	3684	}
2316	or return;
2317		3685
2318	local $/;	3686	sub reload_config {
2319	*CFG = YAML::Syck::Load <$fh>;	3687	trace "reloading config file...\n";
2320		3688
		3689	my $config = load_file "$CONFDIR/config";
		3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
		3692
2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2322		3694
2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2325		3697
2326	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2330	};	3702	};
2331	warn $@ if $@;	3703	warn $@ if $@;
2332	}	3704	}
2333	}	3705	}
2334		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2335	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2336	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2337	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2339	(async {	3748	(async {
2340	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2341	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2342	};	3752	};
2343		3753
2344	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2345	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2346	load_extensions;	3777	load_extensions;
2347		3778
2348	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2349	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2350	}	3796	}
2351		3797
2352	#############################################################################	3798	#############################################################################
2353	# initialisation and cleanup	3799	# initialisation and cleanup
2354		3800
2355	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2356	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2357	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2358	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2359	reentrant => 0,
2360	data => WF_AUTOCANCEL,
2361	signal => $signal,
2362	prio => 0,
2363	cb => sub {
2364	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2365	},
2366	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2367	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2368	}	3897	}
2369		3898
2370	sub emergency_save() {	3899	sub emergency_save() {
2371	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2372		3901
2373	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2374		3908
2375	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2376	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2377	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2378	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2379	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2380	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2381	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2382	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2383	$pl->save;	3920	$pl->save;
2384	}	3921	}
2385	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2386		3923
2387	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2388	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2389	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2390	$map->valid or next;	3929	$map->valid or next;
2391	$map->save;	3930	$map->save;
2392	}	3931	}
2393	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2394		3933
2395	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2396	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2397	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2398	};	3962	};
2399		3963
2400	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2401	}	3965	}
2402		3966
2403	sub post_cleanup {	3967	sub post_cleanup {
2404	my ($make_core) = @_;	3968	my ($make_core) = @_;
2405		3969
		3970	IO::AIO::flush;
		3971
2406	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	3973	if $make_core;
2408	}
2409		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
		4002	}
		4003
2410	sub reload() {	4004	sub do_reload_perl() {
2411	# can/must only be called in main	4005	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2413	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2414	return;	4008	return;
2415	}	4009	}
2416		4010
2417	warn "reloading...";	4011	return if $RELOAD++;
2418		4012
2419	warn "entering sync_job";	4013	my $t1 = AE::time;
2420		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2421	cf::sync_job {	4021	cf::sync_job {
2422	cf::write_runtime; # external watchdog should not bark
2423	cf::emergency_save;	4022	#cf::emergency_save;
2424	cf::write_runtime; # external watchdog should not bark
2425		4023
2426	warn "syncing database to disk";
2427	BDB::db_env_txn_checkpoint $DB_ENV;
2428
2429	# if anything goes wrong in here, we should simply crash as we already saved
2430
2431	warn "cancelling all WF_AUTOCANCEL watchers";
2432	for (Event::all_watchers) {
2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2434	}
2435
2436	warn "flushing outstanding aio requests";
2437	for (;;) {
2438	BDB::flush;
2439	IO::AIO::flush;
2440	Coro::cede;
2441	last unless IO::AIO::nreqs || BDB::nreqs;
2442	warn "iterate...";
2443	}
2444
2445	++$RELOAD;
2446
2447	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2448	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2449	%EXT_CORO = ();	4026	%EXT_CORO = ();
2450		4027
2451	warn "removing commands";	4028	trace "perl_reload: removing commands";
2452	%COMMAND = ();	4029	%COMMAND = ();
2453		4030
2454	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2455	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2456		4034
2457	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2458	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2459	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2460		4038
2461	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2462	eval {	4040	eval {
2463	$cb->($pkg);	4041	$cb->($pkg);
2464	1	4042	1
2465	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2466	}	4048	}
2467		4049
2468	warn "... nuking $pkg";
2469	Symbol::delete_package $pkg;
2470	}
2471
2472	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2473	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2475		4053
2476	warn "... unloading $k";	4054	trace "... unloading $k";
2477	delete $INC{$k};	4055	delete $INC{$k};
2478		4056
2479	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2480	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2481		4059
2482	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2483	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2484	}	4065	}
2485		4066
2486	Symbol::delete_package $k;
2487	}
2488
2489	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2490	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		4070
2493	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
		4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2495		4074
2496	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2497	# and global variables created in xs	4076	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2499		4078
2500	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2501		4080
2502	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2503	require cf;	4082	require cf;
2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2505		4084
2506	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2507	cf::cfg_load;	4086	cf::reload_config;
2508		4087
2509	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2510	cf::load_extensions;	4089	cf::load_extensions;
2511		4090
		4091	if ($REATTACH_ON_RELOAD) {
2512	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2513	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
2514	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2515	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
2518		4099
2519	warn "loading reloadable resources";	4100	cf::_post_init 1;
2520	reload_resources;
2521		4101
2522	warn "leaving sync_job";	4102	trace "perl_reload: leaving sync_job";
2523		4103
2524	1	4104	1
2525	} or do {	4105	} or do {
2526	warn $@;	4106	error $@;
2527	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2528	exit 1;	4108	};
		4109
		4110	--$RELOAD;
		4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
		4115	};
		4116
		4117	our $RELOAD_WATCHER; # used only during reload
		4118
		4119	sub reload_perl() {
		4120	# doing reload synchronously and two reloads happen back-to-back,
		4121	# coro crashes during coro_state_free->destroy here.
		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
		4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4127	do_reload_perl;
		4128	undef $RELOAD_WATCHER;
		4129	};
2529	};	4130	};
2530		4131	}
2531	warn "reloaded";
2532	};
2533
2534	our $RELOAD_WATCHER; # used only during reload
2535		4132
2536	register_command "reload" => sub {	4133	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2538		4135
2539	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
2541		4138	async {
2542	# doing reload synchronously and two reloads happen back-to-back,	4139	$Coro::current->{desc} = "perl_reload";
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;	4140	reload_perl;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);	4141	};
2554	}	4142	}
2555	};	4143	};
2556		4144
2557	unshift @INC, $LIBDIR;	4145	#############################################################################
2558		4146
2559	my $bug_warning = 0;	4147	my $bug_warning = 0;
2560		4148
2561	$TICK_WATCHER = Event->timer (	4149	sub wait_for_tick() {
2562	reentrant => 0,	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2563	parked => 1,	4151
2564	prio => 0,	4152	$WAIT_FOR_TICK->wait;
2565	at => $NEXT_TICK || $TICK,	4153	}
2566	data => WF_AUTOCANCEL,	4154
2567	cb => sub {	4155	sub wait_for_tick_begin() {
		4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4157
		4158	my $signal = new Coro::Signal;
		4159	push @WAIT_FOR_TICK_BEGIN, $signal;
		4160	$signal->wait;
		4161	}
		4162
		4163	sub tick {
2568	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2571	return;	4167	return;
2572	}	4168	}
2573		4169
2574	$NOW = Event::time;	4170	cf::one_tick; # one server iteration
2575		4171
2576	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2577	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;
2579		4173
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2582	Coro::async_pool {	4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
2583	write_runtime	4178	write_runtime_sync
2584	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
2585	};
2586	}	4180	};
		4181	}
2587		4182
		4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4184	$sig->send;
		4185	}
2588	$WAIT_FOR_TICK->broadcast;	4186	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590		4187
2591	# my $AFTER = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2592	# warn $AFTER - $NOW;#d#	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2593		4190
2594	# if we are delayed by four ticks or more, skip them all	4191	if (0) {
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4192	if ($NEXT_TICK) {
2596		4193	my $jitter = $TICK_START - $NEXT_TICK;
2597	$TICK_WATCHER->at ($NEXT_TICK);	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2598	$TICK_WATCHER->start;	4195	debug "jitter $JITTER\n";#d#
		4196	}
2599	},	4197	}
2600	);	4198	}
2601		4199
2602	{	4200	{
2603	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2604	$BDB_POLL_WATCHER = Event->io (	4202
2605	reentrant => 0,
2606	fd => BDB::poll_fileno,
2607	poll => 'r',
2608	prio => 0,
2609	data => WF_AUTOCANCEL,
2610	cb => \&BDB::poll_cb,
2611	);
2612	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2613		4204	BDB::max_poll_reqs $TICK * 0.1;
2614	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2615	my $status;
2616	my $current = $Coro::current;
2617	(
2618	sub {
2619	$status = $!;
2620	$current->ready; undef $current;
2621	},
2622	sub {
2623	Coro::schedule while defined $current;
2624	$! = $status;
2625	},
2626	)
2627	};
2628		4206
2629	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2630	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2631		4214
2632	cf::sync_job {	4215	cf::sync_job {
2633	eval {	4216	eval {
2634	BDB::db_env_open	4217	BDB::db_env_open
2635	$DB_ENV,	4218	$DB_ENV,
2636	$BDB_ENV_DIR,	4219	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	4222	0666;
2640		4223
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;
2645	};	4225	};
2646		4226
2647	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2648	};	4228	};
2649	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2650	}	4240	}
2651		4241
2652	{	4242	{
		4243	# configure IO::AIO
		4244
2653	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2654
2655	undef $Coro::AIO::WATCHER;
2656	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
2657	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
2658	reentrant => 0,
2659	data => WF_AUTOCANCEL,
2660	fd => IO::AIO::poll_fileno,
2661	poll => 'r',
2662	prio => 6,
2663	cb => \&IO::AIO::poll_cb,
2664	);
2665	}	4248	}
		4249
		4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
		4252
		4253	sub _log_backtrace {
		4254	my ($msg, @addr) = @_;
		4255
		4256	$msg =~ s/\n$//;
		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4261	# limit the # of concurrent backtraces
		4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
		4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
		4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
		4269	my @bt = fork_call {
		4270	@addr = map { sprintf "%x", $_ } @addr;
		4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4273	or die "addr2line: $!";
		4274
		4275	my @funcs;
		4276	my @res = <$fh>;
		4277	chomp for @res;
		4278	while (@res) {
		4279	my ($func, $line) = splice @res, 0, 2, ();
		4280	push @funcs, "[$func] $line";
		4281	}
		4282
		4283	@funcs
		4284	};
		4285
		4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4288	LOG llevInfo, "[ABT] $_\n" for @bt;
		4289	--$_log_backtrace;
		4290	};
		4291	} else {
		4292	LOG llevInfo, "[ABT] $msg\n";
		4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4294	}
		4295	}
		4296
		4297	# load additional modules
		4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
2666		4300
2667	END { cf::emergency_save }	4301	END { cf::emergency_save }
2668		4302
2669	1	4303	1
2670		4304

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