ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.596 by root, Fri Nov 9 20:37:57 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
21	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
22		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
23	use BDB ();	58	use BDB ();
24	use Data::Dumper;	59	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	60	use Fcntl;
27	use YAML::Syck ();	61	use YAML::XS ();
28	use IO::AIO 2.32 ();	62	use IO::AIO ();
29	use Time::HiRes;	63	use Time::HiRes;
30	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
31		68
32	# configure various modules to our taste	69	# configure various modules to our taste
33	#	70	#
34	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		79
38	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
39		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		82
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
46		86
47	our %COMMAND = ();	87	our %COMMAND = ();
48	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
49		89
50	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
54		97
55	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	99	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
58		102
59	our $TICK = MAX_TIME * 1e-6;	103	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	104
61	our $AIO_POLL_WATCHER;	105	our $DATADIR = datadir;
		106	our $LIBDIR = "$DATADIR/ext";
		107	our $PODDIR = "$DATADIR/pod";
		108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
		110	our $LOCALDIR = localdir;
		111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		114	our $RANDOMDIR = "$LOCALDIR/random";
		115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
		126
		127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
64	our $NOW;	145	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		146
67	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		150
84	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		153
		154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
		157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
87	binmode STDOUT;	167	binmode STDOUT;
88	binmode STDERR;	168	binmode STDERR;
89		169
90	# read virtual server time, if available	170	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	172	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
95	}	175	}
96		176
97	mkdir cf::localdir;	177	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	178
99	mkdir cf::localdir . "/" . cf::tmpdir;	179	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		181
104	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
105		183
106	sub cf::map::normalise;	184	sub cf::map::normalise;
107		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
108	#############################################################################	190	#############################################################################
109		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
110	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
111		204
112	=over 4	205	=over 4
113		206
114	=item $cf::UPTIME	207	=item $cf::UPTIME
115		208
116	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
117		225
118	=item $cf::RUNTIME	226	=item $cf::RUNTIME
119		227
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	229	every server tick.
122		230
123	=item $cf::LIBDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		234
125	The perl library directory, where extensions and cf-specific modules can	235	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		237	unique-items directory, player file directory, random maps directory and
		238	database environment.
127		239
		240	=item $cf::LOADAVG
		241
		242	The current CPU load on the server (alpha-smoothed), as a value between 0
		243	(none) and 1 (overloaded), indicating how much time is spent on processing
		244	objects per tick. Healthy values are < 0.5.
		245
128	=item $cf::NOW	246	=item $cf::LOAD
129		247
130	The time of the last (current) server tick.	248	The raw value load value from the last tick.
131
132	=item $cf::TICK
133
134	The interval between server ticks, in seconds.
135		249
136	=item %cf::CFG	250	=item %cf::CFG
137		251
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	253	from wherever your confdir points to.
140		254
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		256
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
145	processing has been done. Call C<< ->wait >> on them to maximise the	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
147		289
148	=back	290	=back
149		291
150	=cut	292	=cut
151		293
152	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
153	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
154	my $msg = join "", @_;	301	my $msg = join "", @_;
155	utf8::encode $msg;
156		302
157	$msg .= "\n"	303	$msg .= "\n"
158	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
159		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
160	LOG llevError, $msg;	308	LOG llevWarn, $msg;
161	};	309	};
162	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
163		324
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		332
171	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	334	# within the Safe compartment.
173	for my $pkg (qw(	335	for my $pkg (qw(
174	cf::global cf::attachable	336	cf::global cf::attachable
175	cf::object cf::object::player	337	cf::object cf::object::player
176	cf::client cf::player	338	cf::client cf::player
177	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
178	cf::map cf::party cf::region	341	cf::party cf::region
179	)) {	342	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	344	}
183		345
184	$Event::DIED = sub {	346	$EV::DIED = sub {
185	warn "error in event callback: @_";	347	warn "error in event callback: $@";
186	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
187		356
188	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
189		358
190	=over 4	359	=over 4
191		360
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	380	$d
212	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
213	}	382	}
214		383
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
216		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
217	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
218		437
219	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
220		439
221	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
222		441
223	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
224		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
225	=item cf::lock_wait $string	513	=item cf::lock_wait $string
226		514
227	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
228		516
229	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
230		518
231	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
234	returned.	522	returned.
235		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
236	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
238		529
239	=cut	530	=item $locked = cf::lock_active $string
240		531
241	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
242		537
243	sub lock_wait($) {	538	sub lock_wait($) {
244	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	540	}
252		541
253	sub lock_acquire($) {	542	sub lock_acquire($) {
254	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
255		545
256	# wait, to be sure we are not locked	546	sub lock_active($) {
257	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	548	}
266		549
267	sub freeze_mainloop {	550	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
269		552
270	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
272	};	623	}
273	$TICK_WATCHER->stop;	624	};
274	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
275	}	639	}
276		640
277	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
278		642
279	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		648
285	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
286		650
287	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
288		652
289	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
292		657
293	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
296	fast or be very important.	661	fast or be very important.
…		…
298	=cut	663	=cut
299		664
300	sub sync_job(&) {	665	sub sync_job(&) {
301	my ($job) = @_;	666	my ($job) = @_;
302		667
303	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
304	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
306		673
307	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	675
309	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
310		677
311	my $busy = 1;	678	my $busy = 1;
312	my @res;	679	my @res;
313		680
314	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	683	@res = eval { $job->() };
316	warn $@ if $@;	684	error $@ if $@;
317	undef $busy;	685	undef $busy;
318	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
319		687
320	while ($busy) {	688	while ($busy) {
321	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
322	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
323		699
324	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
325	} else {	701	} else {
326	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
327		703
…		…
347	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
348		724
349	$coro	725	$coro
350	}	726	}
351		727
352	sub write_runtime {	728	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		729
355	my $runtime = cf::localdir . "/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
356		734
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
358	or return;
359		736
360	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
362	# 60 allows for the watchdog to kill the server.	739	}
363		740
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
365	and return;	742	my ($cb, @args) = @_;
366		743
367	# always fsync - this file is important	744	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	745	# otherwise perl prematurely frees the stuff :/
369	and return;	746	# TODO: investigate and fix (likely this will be rather laborious)
370		747
371	close $fh	748	my @res = Coro::Util::fork_eval {
372	or return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
373		752
374	aio_rename "$runtime~", $runtime	753	wantarray ? @res : $res[-1]
375	and return;	754	}
376		755
		756	sub objinfo {
377	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = Time::HiRes::time;
		907	my $data = $process->(\@data);
		908	my $t2 = Time::HiRes::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
378	}	920	}
379		921
380	=item cf::datalog type => key => value, ...	922	=item cf::datalog type => key => value, ...
381		923
382	Log a datalog packet of the given type with the given key-value pairs.	924	Log a datalog packet of the given type with the given key-value pairs.
383		925
384	=cut	926	=cut
385		927
386	sub datalog($@) {	928	sub datalog($@) {
387	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	931	}
390		932
391	=back	933	=back
392		934
393	=cut	935	=cut
394		936
395	#############################################################################	937	#############################################################################
396		938
397	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
398		940
399	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
402		944
403	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	947	Deliantra).
406		948
407	=over 4	949	=over 4
408		950
409	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
410		952
…		…
454	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
455		997
456	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
458		1000
459	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
461		1003
462	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
463		1005
464	=over 4	1006	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
574		1116
575	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1121
580	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
582		1124
583	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
588		1130
589	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1133
592	} elsif (ref $type) {	1134	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
594		1136
595	} else {	1137	} else {
596	shift @arg;	1138	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
598	}	1140	}
599	}	1141	}
600	}	1142	}
601		1143
602	sub _object_attach {	1144	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
613	}	1155	}
614		1156
615	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
616	} else {	1158	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1160	}
619		1161
620	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
621	}	1163	}
622		1164
…		…
624	if (ref $_[0]) {	1166	if (ref $_[0]) {
625	_object_attach @_;	1167	_object_attach @_;
626	} else {	1168	} else {
627	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
628	}	1170	}
		1171	_recalc_want;
629	};	1172	};
630		1173
631	# all those should be optimised	1174	# all those should be optimised
632	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1180	reattach ($obj);
638	} else {	1181	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
640	}	1183	}
		1184	_recalc_want;
641	};	1185	};
642		1186
643	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
645		1189
…		…
660	";	1204	";
661	die if $@;	1205	die if $@;
662	}	1206	}
663		1207
664	our $override;	1208	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1210
667	sub override {	1211	sub override {
668	$override = 1;	1212	$override = 1;
669	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
670	}	1214	}
671		1215
672	sub do_invoke {	1216	sub do_invoke {
673	my $event = shift;	1217	my $event = shift;
674	my $callbacks = shift;	1218	my $callbacks = shift;
675		1219
676	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
677		1221
678	local $override;	1222	local $override;
679		1223
680	for (@$callbacks) {	1224	for (@$callbacks) {
681	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
682		1226
683	if ($@) {	1227	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1229	override;
687	}	1230	}
688		1231
689	return 1 if $override;	1232	return 1 if $override;
690	}	1233	}
691		1234
692	0	1235	0
693	}	1236	}
694		1237
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1239
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1241
699	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
700		1243
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1247
705	=back	1248	=back
706		1249
707	=cut	1250	=cut
708		1251
709	#############################################################################	1252	#############################################################################
710	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
711		1296
712	sub reattach {	1297	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1299	my ($obj) = @_;
715		1300
		1301	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1303
718	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
719		1305
720	@$registry = ();	1306	@$registry = ();
721		1307
…		…
726	for (@$attach) {	1312	for (@$attach) {
727	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
729	}	1315	}
730	} else {	1316	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1318	}
733	}	1319	}
734	}	1320	}
735		1321
736	cf::attachable->attach (	1322	cf::attachable->attach (
737	prio => -1000000,	1323	prio => -1000000,
738	on_instantiate => sub {	1324	on_instantiate => sub {
739	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
740		1326
741	$data = from_json $data;	1327	$data = decode_json $data;
742		1328
743	for (@$data) {	1329	for (@$data) {
744	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
745		1331
746	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1348	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
764		1350
765	sync_job {	1351	sync_job {
766	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
769		1357
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
774	close $fh;	1365	aio_close $fh;
775		1366
776	if (@$objs) {	1367	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
782	close $fh;	1376	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
784	}	1378	}
785	} else {	1379	} else {
786	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
787	}	1381	}
788		1382
789	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1387	} else {
791	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
792	}	1389	}
793	} else {	1390	} else {
794	aio_unlink $filename;	1391	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
796	}	1393	}
797	}	1394	};
798	}	1395	}
799		1396
800	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
802		1399
…		…
814	or return;	1411	or return;
815		1412
816	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
818	or return;	1415	or return;
		1416
819	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
820	}	1419	}
821		1420
		1421	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
824	return ($data, $av);	1426	($data, $av)
825	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
826		1434
827	#############################################################################	1435	#############################################################################
828	# command handling &c	1436	# command handling &c
829		1437
830	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
831		1439
832	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
833	$name.	1441	$name.
834		1442
835	=cut	1443	=cut
…		…
841	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
842		1450
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1452	}
845		1453
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
847		1455
848	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
849		1461
850	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
851	called.
852		1463
853	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
854		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
855	sub register_extcmd {	1486	sub register_extcmd($$) {
856	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
857		1488
858	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
859	}	1490	}
860		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
861	cf::player->attach (	1512	cf::player->attach (
862	on_command => sub {	1513	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
864		1515
865	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
866	or return;	1517	or return;
867		1518
…		…
872	cf::override;	1523	cf::override;
873	},	1524	},
874	on_extcmd => sub {	1525	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
876		1527
877	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1529
879	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
882	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
883	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
884	}	1551	}
		1552
885	} else {	1553	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1555	}
888		1556
889	cf::override;	1557	cf::override;
890	},	1558	},
891	);	1559	);
892		1560
		1561	# "readahead" all extensions
893	sub load_extension {	1562	sub cache_extensions {
894	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
895		1564
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1568	}
921	die $@;
922	}	1569	};
923		1570
924	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
925	}	1583	}
926		1584
927	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
928	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1594	next unless -r $path;
930	eval {	1595
931	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
932	1	1668	}
933	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
934	}	1681	};
935	}	1682	}
936		1683
937	#############################################################################	1684	#############################################################################
938		1685
		1686	=back
		1687
939	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
940		1689
941	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
942		1691
943	=cut	1692	=cut
944		1693
945	package cf::player;	1694	package cf::player;
946		1695
…		…
948		1697
949	=head3 cf::player	1698	=head3 cf::player
950		1699
951	=over 4	1700	=over 4
952		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
953	=item cf::player::find $login	1716	=item cf::player::find $login
954		1717
955	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
956		1719
957	=cut	1720	=cut
958		1721
959	sub playerdir($) {	1722	sub playerdir($) {
960	cf::localdir	1723	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1725	}
966		1726
967	sub path($) {	1727	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1738
979	sub exists($) {	1739	sub exists($) {
980	my ($login) = @_;	1740	my ($login) = @_;
981		1741
982	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
984	}	1744	}
985		1745
986	sub find($) {	1746	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1748	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
999		1759
1000	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1003	}	1769	}
1004	}	1770	}
1005	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1006		1785
1007	sub save($) {	1786	sub save($) {
1008	my ($pl) = @_;	1787	my ($pl) = @_;
1009		1788
1010	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1016		1795
1017	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1019		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1020	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1021	Coro::cede;	1805	cf::cede_to_tick;
1022	}	1806	}
1023		1807
1024	sub new($) {	1808	sub new($) {
1025	my ($login) = @_;	1809	my ($login) = @_;
1026		1810
…		…
1032	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1033		1817
1034	$self	1818	$self
1035	}	1819	}
1036		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1037	=item $pl->quit_character	1831	=item $pl->quit_character
1038		1832
1039	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1041		1835
…		…
1045	my ($pl) = @_;	1839	my ($pl) = @_;
1046		1840
1047	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1048		1842
1049	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1845
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1055	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1056		1854
1057	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1089		1887
1090	=cut	1888	=cut
1091		1889
1092	sub list_logins {	1890	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1892	or return [];
1095		1893
1096	my @logins;	1894	my @logins;
1097		1895
1098	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1102		1906
1103	utf8::decode $login;	1907	utf8::decode $login;
1104	push @logins, $login;	1908	push @logins, $login;
1105	}	1909	}
1106		1910
1107	\@logins	1911	\@logins
1108	}	1912	}
1109		1913
1110	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1111		1917
1112	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1113	player. May block.	1919	player. May block.
1114		1920
1115	=cut	1921	=cut
…		…
1133	}	1939	}
1134		1940
1135	\@paths	1941	\@paths
1136	}	1942	}
1137		1943
1138	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1139		1945
1140	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1141		1947
1142	=cut
1143
1144	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;
1146
1147	$msg{msgid} = $id;
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}
1151
1152	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1153		1949
1154	Sends an ext event to the client.	1950	Sends an ext event to the client.
1155		1951
1156	=cut	1952	=cut
1157		1953
1158	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1160		1956
1161	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1162	}	1958	}
1163		1959
1164	=head3 cf::region	1960	=head3 cf::region
1165		1961
1166	=over 4	1962	=over 4
…		…
1169		1965
1170	package cf::region;	1966	package cf::region;
1171		1967
1172	=item cf::region::find_by_path $path	1968	=item cf::region::find_by_path $path
1173		1969
1174	Tries to decuce the probable region for a map knowing only its path.	1970	Tries to decuce the likely region for a map knowing only its path.
1175		1971
1176	=cut	1972	=cut
1177		1973
1178	sub find_by_path($) {	1974	sub find_by_path($) {
1179	my ($path) = @_;	1975	my ($path) = @_;
1180		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1181	my ($match, $specificity);	1979	my ($match, $specificity);
1182		1980
1183	for my $region (list) {	1981	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1187	}	1985	}
1188	}	1986	}
1189		1987
…		…
1210	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1212		2010
1213	sub generate_random_map {	2011	sub generate_random_map {
1214	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1216	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	2017	}
1230		2018
1231	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1232		2020
1233	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1238		2026
1239	sub register {	2027	sub register {
1240	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	2029	my $pkg = caller;
1242		2030
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		2032
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	2034	}
1248		2035
1249	# also paths starting with '/'	2036	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		2038
1252	sub thawer_merge {	2039	sub thawer_merge {
1253	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1254		2041
1255	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1256	local $self->{path};	2043	local $self->{path};
1257	local $self->{load_path};	2044	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		2045
1261	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1262	}	2047	}
1263		2048
1264	sub normalise {	2049	sub normalise {
1265	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1266		2051
1267	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1268		2053
1269	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1270		2055
1271	# map plan:	2056	# map plan:
1272	#	2057	#
…		…
1287	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	2073	$path = "$base/$path";
1289	}	2074	}
1290		2075
1291	for ($path) {	2076	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1295	}	2079	}
1296		2080
1297	$path	2081	$path
…		…
1311	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1312	return $self;	2096	return $self;
1313	}	2097	}
1314	}	2098	}
1315		2099
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2101	()
1318	}	2102	}
1319		2103
		2104	# may re-bless or do other evil things
1320	sub init {	2105	sub init {
1321	my ($self) = @_;	2106	my ($self) = @_;
1322		2107
1323	$self	2108	$self
1324	}	2109	}
…		…
1336		2121
1337	# the original (read-only) location	2122	# the original (read-only) location
1338	sub load_path {	2123	sub load_path {
1339	my ($self) = @_;	2124	my ($self) = @_;
1340		2125
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1342	}	2127	}
1343		2128
1344	# the temporary/swap location	2129	# the temporary/swap location
1345	sub save_path {	2130	sub save_path {
1346	my ($self) = @_;	2131	my ($self) = @_;
1347		2132
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1350	}	2135	}
1351		2136
1352	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1353	sub uniq_path {	2138	sub uniq_path {
1354	my ($self) = @_;	2139	my ($self) = @_;
1355		2140
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1358	}	2143	}
1359		2144
1360	# and all this just because we cannot iterate over	2145	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2146	my ($self) = @_;
1364		2147
1365	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1367	}	2151	}
1368		2152
1369	sub unlink_save {	2153	sub unlink_save {
1370	my ($self) = @_;	2154	my ($self) = @_;
1371		2155
…		…
1376		2160
1377	sub load_header_from($) {	2161	sub load_header_from($) {
1378	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1379		2163
1380	utf8::encode $path;	2164	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2166	or return;
1386		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1387	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1388		2175
1389	1	2176	1
1390	}	2177	}
1391		2178
		2179	# used to laod the header of an original map
1392	sub load_header_orig {	2180	sub load_header_orig {
1393	my ($self) = @_;	2181	my ($self) = @_;
1394		2182
1395	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1396	}	2184	}
1397		2185
		2186	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2187	sub load_header_temp {
1399	my ($self) = @_;	2188	my ($self) = @_;
1400		2189
1401	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1402	}	2191	}
1403		2192
		2193	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2194	sub prepare_temp {
1405	my ($self) = @_;	2195	my ($self) = @_;
1406		2196
1407	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1409	# safety	2199	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2202	}
1413		2203
		2204	# called after loading the header from an original map
1414	sub prepare_orig {	2205	sub prepare_orig {
1415	my ($self) = @_;	2206	my ($self) = @_;
1416		2207
1417	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2220	$self->load_header_orig
1430	or return;	2221	or return;
1431	$self->prepare_orig;	2222	$self->prepare_orig;
1432	}	2223	}
1433		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
1434	$self->default_region (cf::region::find_by_path $self->{path})	2228	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2229	unless $self->default_region;
1436		2230
1437	1	2231	1
1438	}	2232	}
1439		2233
1440	sub find;	2234	sub find;
1441	sub find {	2235	sub find {
1442	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1443		2237
		2238	cf::cede_to_tick;
		2239
1444	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1445		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2244
1448	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1451	or return;	2247	or return;
1452		2248
1453	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1454		2250
1455	$map->load_header	2251	$map->load_header
1456	or return;	2252	or return;
1457		2253
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1461	$map->reset;	2259	$map->reset;
1462	undef $guard;
1463	return find $path;	2260	return find $path;
1464	}	2261	}
1465		2262
1466	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1467	}	2264	}
1468	}	2265	}
1469		2266
1470	sub pre_load { }	2267	sub pre_load { }
1471	sub post_load { }	2268	#sub post_load { } # XS
1472		2269
1473	sub load {	2270	sub load {
1474	my ($self) = @_;	2271	my ($self) = @_;
1475		2272
1476	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1477		2274
1478	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1480		2279
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1482		2282
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2283	$self->alloc;
1486		2284
1487	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1488		2287
1489	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1490	or return;	2292	or return;
1491		2293
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1493	if delete $self->{load_original};	2295	if delete $self->{load_original};
1494		2296
1495	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2298	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2301	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1500	}	2306	}
1501	}
1502		2307
1503	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1504		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1505	# now do the right thing for maps	2317	# now do the right thing for maps
1506	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2320	unless $self->difficulty;
1516	Coro::cede;	2321	cf::cede_to_tick;
1517	$self->activate;	2322
		2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1518	}	2333	}
1519		2334
1520	$self->post_load;	2335	$self->post_load;
1521		2336
1522	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1523	}	2338	}
1524		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1525	sub customise_for {	2343	sub customise_for {
1526	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1527		2345
1528	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2347	if $self->per_player;
1530		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1531	$self	2352	$self
1532	}
1533
1534	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {
1536	my ($map) = @_;
1537
1538	my @diag; # diagonal neighbours
1539
1540	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)
1542	or next;
1543	$neigh = find $neigh, $map
1544	or next;
1545	$neigh->load;
1546
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}
1550
1551	for (@diag) {
1552	my $neigh = find @$_
1553	or next;
1554	$neigh->load;
1555	}
1556	}	2353	}
1557		2354
1558	sub find_sync {	2355	sub find_sync {
1559	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1560		2357
1561	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1562	}	2363	}
1563		2364
1564	sub do_load_sync {	2365	sub do_load_sync {
1565	my ($map) = @_;	2366	my ($map) = @_;
1566		2367
1567	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1568	}	2373	}
1569		2374
1570	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1572		2377
1573	sub find_async {	2378	sub find_async {
1574	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1575		2380
1576	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1577		2382
1578	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1580	}	2385	}
1581		2386
1582	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1583	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1584	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2394	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2395	$map->load if $v;
		2396	}
1589		2397
1590	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1591	}	2399	}
1592	}	2400	}
1593	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1594	};	2402	};
1595	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1596		2404
1597	()	2405	()
1598	}	2406	}
1599		2407
		2408	# common code, used by both ->save and ->swapout
1600	sub save {	2409	sub _save {
1601	my ($self) = @_;	2410	my ($self) = @_;
1602
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1604		2411
1605	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1606		2413
1607	return unless $self->dirty;	2414	return unless $self->dirty;
1608		2415
…		…
1614	return if $self->{deny_save};	2421	return if $self->{deny_save};
1615		2422
1616	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1617		2424
1618	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1620	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1621		2431
1622	if ($uniq) {	2432	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2435	} else {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1627	}	2437	}
1628	}	2438	}
1629		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1630	sub swap_out {	2448	sub swap_out {
1631	my ($self) = @_;	2449	my ($self) = @_;
1632		2450
1633	# save first because save cedes
1634	$self->save;
1635
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1638	return if $self->players;	2455	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};
1641		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1642	$self->clear;	2466	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2467	}
1645		2468
1646	sub reset_at {	2469	sub reset_at {
1647	my ($self) = @_;	2470	my ($self) = @_;
1648		2471
1649	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1652		2474
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2477
…		…
1666	my ($self) = @_;	2488	my ($self) = @_;
1667		2489
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2491
1670	return if $self->players;	2492	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2493
1673	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1674		2495
1675	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1676		2497
1677	# need to save uniques path	2498	# need to save uniques path
1678	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1679	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1680		2501
…		…
1682	if $uniq;	2503	if $uniq;
1683	}	2504	}
1684		2505
1685	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1686		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2510	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2511
1691	$self->unlink_save;	2512	$self->unlink_save;
1692	$self->destroy;	2513	$self->destroy;
1693	}	2514	}
1694		2515
1695	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1696		2517
1697	sub nuke {	2518	sub nuke {
1698	my ($self) = @_;	2519	my ($self) = @_;
1699		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1700	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1701		2525
1702	$self->unlink_save;	2526	$self->unlink_save;
1703		2527
1704	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1705	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2533
1710	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1711		2536
1712	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1713	}	2574	}
1714		2575
1715	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1716		2577
1717	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2579	instantiated unique items. May block.
1719		2580
1720	=cut	2581	=cut
1721		2582
1722	sub unique_maps() {	2583	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1724	or return;	2585	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2586	utf8::decode $_;
1730	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2589	? ()
1733	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2592	]
1735
1736	\@paths
1737	}	2593	}
1738		2594
1739	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1740		2626
1741	=back	2627	=back
1742		2628
1743	=head3 cf::object	2629	=head3 cf::object
1744		2630
…		…
1748		2634
1749	=over 4	2635	=over 4
1750		2636
1751	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1752		2638
1753	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1754		2641
1755	=cut	2642	=cut
1756		2643
1757	sub inv_recursive_;	2644	sub inv_recursive_;
1758	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1761		2648
1762	sub inv_recursive {	2649	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1764	}	2651	}
1765		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1766	package cf;	2681	package cf;
1767		2682
1768	=back	2683	=back
1769		2684
1770	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1776	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1777	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1778	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1779		2694
1780	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1781		2710
1782	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1783	# with dialog boxes.	2712	# with dialog boxes.
1784	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1785	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1787		2716
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2718
1790	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1792	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1795	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1796	}	2744	}
1797		2745
1798	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1799		2747
1800	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1813		2761
1814	=item $player_object->enter_link	2762	=item $player_object->enter_link
1815		2763
1816	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1817		2765
1818	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1819	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1820		2770
1821	Will never block.	2771	Will never block.
1822		2772
1823	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1824		2774
…		…
1844	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1845	my ($self) = @_;	2795	my ($self) = @_;
1846		2796
1847	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1848		2798
		2799	++$self->{_link_recursion};
		2800
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2802
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1853		2805
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1855	}	2807	}
1856		2808
1857	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1859		2813
1860	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1861		2815
1862	unless ($map) {	2816	unless ($map) {
1863	# restore original map position	2817	# restore original map position
…		…
1874	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1875	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1876		2830
1877	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1880		2834
1881	$map->load;	2835	$map->load;
1882	$map->load_diag;
1883		2836
1884	return unless $self->contr->active;	2837	return unless $self->contr->active;
1885	$self->activate_recursive;
1886		2838
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1889	}	2841	# entering was successful
1890		2842	delete $self->{_link_recursion};
1891	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1892	on_logout => sub {	2844	$self->activate_recursive;
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},	2845	}
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2846
1905	# try to abort aborted map switching on player login :)	2847	}
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922		2848
1923	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1924		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1925	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1926		2863
1927	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2875
1930	$self->enter_link;	2876	$self->enter_link;
1931		2877
1932	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1933	my $map = eval {	2900	my $map = eval {
1934	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1936	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2916	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1941	})->prio (1);	2924	})->prio (1);
1942	}	2925	}
1943		2926
1944	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1945		2928
…		…
1965	}	2948	}
1966		2949
1967	sub prepare_random_map {	2950	sub prepare_random_map {
1968	my ($exit) = @_;	2951	my ($exit) = @_;
1969		2952
1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1973	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1974	# that depends on the exit object	2955	# that depends on the exit object
1975		2956
1976	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1978	if ($exit->map) {	2959	if ($exit->map) {
1979	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1980	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1981	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1982	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1983	}	2966	}
1984		2967
1985	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1986		2969
1987	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1990		2973
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2976	undef $fh;
1994	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1995		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1996	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1997	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1998	}	2985	}
1999	}	2986	}
2000		2987
2001	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2002	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2003		2990
2004	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2005		2992
2006	if ($exit->slaying eq "/!") {
2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
2008	# the problem is that $exit might not survive long enough
2009	# so it needs to be done right now, right here
2010	cf::sync_job { prepare_random_map $exit };
2011	}
2012
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;
2016
2017	$self->enter_link;	2993	$self->enter_link;
2018		2994
2019	(async {	2995	(async {
2020	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2021	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2022	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2023		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2024	1;	3034	1
2025	}) {	3035	}) {
2026	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2027	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2028	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2029	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2030		3040
2031	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2032	$self->leave_link;	3042	$self->leave_link;
2033	}	3043	}
2034	})->prio (1);	3044	})->prio (1);
2035	}	3045	}
2036		3046
…		…
2050		3060
2051	utf8::encode $text;	3061	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	3063	}
2054		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2055	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2056		3253
2057	Sends an exti event to the client.	3254	Sends an ext event to the client.
2058		3255
2059	=cut	3256	=cut
2060		3257
2061	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2063		3260
2064	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2065	$self->send_packet ("ext " . cf::to_json \%msg);
2066	}	3262	}
2067		3263
2068	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2069		3265
2070	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		3269
2074	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	3271	become reliable at some point in the future.
2076		3272
2077	=cut	3273	=cut
2078		3274
2079	sub cf::client::query {	3275	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	3284	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		3286
2091	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2093	}	3291	}
2094		3292
2095	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2096	on_reply => sub {	3299	on_reply => sub {
2097	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2098		3301
2099	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2100	# get handled first	3303	# get handled first
…		…
2112	} else {	3315	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	3317	}
2115	}	3318	}
2116	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2117	);	3353	);
2118		3354
2119	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2120		3356
2121	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2137		3373
2138	$coro	3374	$coro
2139	}	3375	}
2140		3376
2141	cf::client->attach (	3377	cf::client->attach (
2142	on_destroy => sub {	3378	on_client_destroy => sub {
2143	my ($ns) = @_;	3379	my ($ns) = @_;
2144		3380
2145	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2146	},	3382	},
2147	);	3383	);
…		…
2162	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2164		3400
2165	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2166		3402
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2168		3408
2169	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2170		3410
2171	=pod	3411	=pod
2172		3412
2173	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2174		3414
2175	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2176	cf::object::player player	3420	cf::object::player
2177	cf::player peaceful	3421	player
2178	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2179		3428
2180	=cut	3429	=cut
2181		3430
2182	for (	3431	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2184	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2186	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2187	) {	3438	) {
2188	no strict 'refs';
2189	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2191	for @funs;	3441	for @funs;
2192	}	3442	}
2193		3443
…		…
2208		3458
2209	my $qcode = $code;	3459	my $qcode = $code;
2210	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2211	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2212		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2213	local $_;	3466	local $_;
2214	local @safe::cf::_safe_eval_args = values %vars;
2215		3467
2216	my $eval =	3468	my $eval =
2217	"do {\n"	3469	"do {\n"
2218	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2219	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2220	. $code	3472	. $code
2221	. "\n}"	3473	. "\n}"
2222	;	3474	;
2223		3475
		3476	if ($CFG{safe_eval}) {
2224	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2225	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2226	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2227		3485
2228	if ($@) {	3486	if ($@) {
2229	warn "$@";	3487	warn "$@",
2230	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2231	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2232	}	3490	}
2233		3491
2234	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2235	}	3493	}
2236		3494
…		…
2250	=cut	3508	=cut
2251		3509
2252	sub register_script_function {	3510	sub register_script_function {
2253	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2254		3512
2255	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2256	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2257	}	3515	}
2258		3516
2259	=back	3517	=back
2260		3518
2261	=cut	3519	=cut
2262
2263	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334		3520
2335	#############################################################################	3521	#############################################################################
2336	# the server's init and main functions	3522	# the server's init and main functions
2337		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
2338	sub load_facedata {	3548	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3549	my ($path) = @_;
2340		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2341	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2342		3558
2343	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2344	0 < aio_load $path, $facedata
2345	or die "$path: $!";
2346
2347	$facedata = Coro::Storable::thaw $facedata;
2348		3560
2349	$facedata->{version} == 2	3561	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		3563
		3564	cf::cede_to_tick;
		3565
2352	{	3566	{
2353	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
2354		3568
2355	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2360	Coro::cede;	3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
2361	}	3581	}
2362		3582
2363	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2365	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2366	or next;	3587	or next;
		3588
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3592	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3594	}
2372	Coro::cede;	3595
		3596	cf::cede_to_tick;
2373	}	3597	}
2374	}	3598	}
2375		3599
2376	{	3600	{
2377	my $anims = $facedata->{animinfo};	3601	my $anims = $facedata->{animinfo};
2378		3602
2379	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3605	cf::cede_to_tick;
2382	}	3606	}
2383		3607
2384	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2385	}	3609	}
2386		3610
		3611	{
		3612	my $res = $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2387	1	3633	1
2388	}	3634	}
2389		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
		3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
		3672	load_resource_file "$MAPDIR/regions"
		3673	or die "unable to load regions file\n";
		3674
		3675	for (cf::region::list) {
		3676	$_->{match} = qr/$_->{match}/
		3677	if exists $_->{match};
		3678	}
		3679	}
		3680
		3681	sub reload_facedata {
		3682	load_facedata "$DATADIR/facedata"
		3683	or die "unable to load facedata\n";
		3684	}
		3685
		3686	sub reload_archetypes {
		3687	load_resource_file "$DATADIR/archetypes"
		3688	or die "unable to load archetypes\n";
		3689
		3690	set_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
		3698	}
		3699
		3700	sub reload_treasures {
		3701	load_resource_file "$DATADIR/treasures"
		3702	or die "unable to load treasurelists\n";
		3703	}
		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
2390	sub reload_resources {	3725	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3726	trace "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3727
		3728	reload_materials;
2393	load_facedata	3729	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3730	reload_exp_table;
2395	}	3731	reload_sound;
2396		3732	reload_archetypes;
2397	sub init {
2398	reload_resources;	3733	reload_regions;
2399	}	3734	reload_treasures;
2400		3735
2401	sub cfg_load {	3736	trace "finished reloading resource files\n";
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3737	}
2403	or return;
2404		3738
2405	local $/;	3739	sub reload_config {
2406	*CFG = YAML::Syck::Load <$fh>;	3740	trace "reloading config file...\n";
2407		3741
		3742	my $config = load_file "$CONFDIR/config";
		3743	utf8::decode $config;
		3744	*CFG = decode_yaml $config;
		3745
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2409		3747
2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2412		3750
2413	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2417	};	3755	};
2418	warn $@ if $@;	3756	warn $@ if $@;
2419	}	3757	}
2420	}	3758	}
2421		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
2422	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
2423	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426	(async {	3801	(async {
2427	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2429	};	3805	};
2430		3806
2431	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2432	db_init;	3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
2433	load_extensions;	3831	load_extensions;
2434		3832
2435	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2436	Event::loop;	3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
2437	}	3850	}
2438		3851
2439	#############################################################################	3852	#############################################################################
2440	# initialisation and cleanup	3853	# initialisation and cleanup
2441		3854
2442	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2443	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2452	},
2453	);	3861	};
		3862	}
		3863	}
		3864
		3865	sub write_runtime_sync {
		3866	my $t0 = AE::time;
		3867
		3868	# first touch the runtime file to show we are still running:
		3869	# the fsync below can take a very very long time.
		3870
		3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3872
		3873	my $guard = cf::lock_acquire "write_runtime";
		3874
		3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3876	or return;
		3877
		3878	my $value = $cf::RUNTIME + 90 + 10;
		3879	# 10 is the runtime save interval, for a monotonic clock
		3880	# 60 allows for the watchdog to kill the server.
		3881
		3882	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3883	and return;
		3884
		3885	# always fsync - this file is important
		3886	aio_fsync $fh
		3887	and return;
		3888
		3889	# touch it again to show we are up-to-date
		3890	aio_utime $fh, undef, undef;
		3891
		3892	close $fh
		3893	or return;
		3894
		3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3896	and return;
		3897
		3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3899
2454	}	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
2455	}	3951	}
2456		3952
2457	sub emergency_save() {	3953	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2459		3955
2460	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
2461		3962
2462	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2463	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2464	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2465	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2467	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3974	$pl->save;
2471	}	3975	}
2472	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2473		3977
2474	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
2475	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2476	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2477	$map->valid or next;	3983	$map->valid or next;
2478	$map->save;	3984	$map->save;
2479	}	3985	}
2480	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2481		3987
2482	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2484	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2485	};	4016	};
2486		4017
2487	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2488	}	4019	}
2489		4020
2490	sub post_cleanup {	4021	sub post_cleanup {
2491	my ($make_core) = @_;	4022	my ($make_core) = @_;
2492		4023
		4024	IO::AIO::flush;
		4025
2493	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	4027	if $make_core;
2495	}
2496		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
		4056	}
		4057
2497	sub reload() {	4058	sub do_reload_perl() {
2498	# can/must only be called in main	4059	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2500	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2501	return;	4062	return;
2502	}	4063	}
2503		4064
2504	warn "reloading...";	4065	return if $RELOAD++;
2505		4066
2506	warn "entering sync_job";	4067	my $t1 = AE::time;
2507		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
2508	cf::sync_job {	4075	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark
2510	cf::emergency_save;	4076	#cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark
2512		4077
2513	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;
2515
2516	# if anything goes wrong in here, we should simply crash as we already saved
2517
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";
2524	for (;;) {
2525	BDB::flush;
2526	IO::AIO::flush;
2527	Coro::cede;
2528	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";
2530	}
2531
2532	++$RELOAD;
2533
2534	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2535	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2536	%EXT_CORO = ();	4080	%EXT_CORO = ();
2537		4081
2538	warn "removing commands";	4082	trace "perl_reload: removing commands";
2539	%COMMAND = ();	4083	%COMMAND = ();
2540		4084
2541	warn "removing ext commands";	4085	trace "perl_reload: removing ext/exti commands";
2542	%EXTCMD = ();	4086	%EXTCMD = ();
		4087	%EXTICMD = ();
2543		4088
2544	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2547		4092
2548	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2549	eval {	4094	eval {
2550	$cb->($pkg);	4095	$cb->($pkg);
2551	1	4096	1
2552	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
2553	}	4102	}
2554		4103
2555	warn "... nuking $pkg";
2556	Symbol::delete_package $pkg;
2557	}
2558
2559	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2560	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562		4107
2563	warn "... unloading $k";	4108	trace "... unloading $k";
2564	delete $INC{$k};	4109	delete $INC{$k};
2565		4110
2566	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2567	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2568		4113
2569	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2570	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2571	}	4119	}
2572		4120
2573	Symbol::delete_package $k;
2574	}
2575
2576	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2577	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		4124
2580	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
		4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2582		4128
2583	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2584	# and global variables created in xs	4130	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2586		4132
2587	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2588		4134
2589	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2590	require cf;	4136	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2592		4138
2593	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
2594	cf::cfg_load;	4140	cf::reload_config;
2595		4141
2596	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
2597	cf::load_extensions;	4143	cf::load_extensions;
2598		4144
		4145	if ($REATTACH_ON_RELOAD) {
2599	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
2600	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
2601	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
2602	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
2605		4153
2606	warn "loading reloadable resources";	4154	cf::_post_init 1;
2607	reload_resources;
2608		4155
2609	warn "leaving sync_job";	4156	trace "perl_reload: leaving sync_job";
2610		4157
2611	1	4158	1
2612	} or do {	4159	} or do {
2613	warn $@;	4160	error $@;
2614	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
2615	exit 1;	4162	};
		4163
		4164	--$RELOAD;
		4165	}
		4166
		4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
		4169	};
		4170
		4171	our $RELOAD_WATCHER; # used only during reload
		4172
		4173	sub reload_perl() {
		4174	# doing reload synchronously and two reloads happen back-to-back,
		4175	# coro crashes during coro_state_free->destroy here.
		4176
		4177	$RELOAD_WATCHER ||= cf::async {
		4178	Coro::AIO::aio_wait cache_extensions;
		4179
		4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4181	do_reload_perl;
		4182	undef $RELOAD_WATCHER;
		4183	};
2616	};	4184	};
2617		4185	}
2618	warn "reloaded";
2619	};
2620
2621	our $RELOAD_WATCHER; # used only during reload
2622		4186
2623	register_command "reload" => sub {	4187	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
2625		4189
2626	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
2628		4192	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	4193	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	4194	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	4195	};
2641	}	4196	}
2642	};	4197	};
2643		4198
2644	unshift @INC, $LIBDIR;	4199	#############################################################################
2645		4200
2646	my $bug_warning = 0;	4201	my $bug_warning = 0;
2647		4202
2648	$TICK_WATCHER = Event->timer (	4203	sub wait_for_tick() {
2649	reentrant => 0,	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2650	parked => 1,	4205
2651	prio => 0,	4206	$WAIT_FOR_TICK->wait;
2652	at => $NEXT_TICK || $TICK,	4207	}
2653	data => WF_AUTOCANCEL,	4208
2654	cb => sub {	4209	sub wait_for_tick_begin() {
		4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4211
		4212	my $signal = new Coro::Signal;
		4213	push @WAIT_FOR_TICK_BEGIN, $signal;
		4214	$signal->wait;
		4215	}
		4216
		4217	sub tick {
2655	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
2658	return;	4221	return;
2659	}	4222	}
2660		4223
2661	$NOW = Event::time;	4224	cf::one_tick; # one server iteration
2662		4225
2663	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		4227
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	4230	Coro::async_pool {
		4231	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	4232	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
2672	};
2673	}	4234	};
		4235	}
2674		4236
		4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4238	$sig->send;
		4239	}
2675	$WAIT_FOR_TICK->broadcast;	4240	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677		4241
2678	# my $AFTER = Event::time;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
2679	# warn $AFTER - $NOW;#d#	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2680		4244
2681	# if we are delayed by four ticks or more, skip them all	4245	if (0) {
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4246	if ($NEXT_TICK) {
2683		4247	my $jitter = $TICK_START - $NEXT_TICK;
2684	$TICK_WATCHER->at ($NEXT_TICK);	4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2685	$TICK_WATCHER->start;	4249	debug "jitter $JITTER\n";#d#
		4250	}
2686	},	4251	}
2687	);	4252	}
2688		4253
2689	{	4254	{
2690	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
2692	reentrant => 0,	4257
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
2700		4259	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		4261
2716	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
2717	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
		4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718		4269
2719	cf::sync_job {	4270	cf::sync_job {
2720	eval {	4271	eval {
2721	BDB::db_env_open	4272	BDB::db_env_open
2722	$DB_ENV,	4273	$DB_ENV,
2723	$BDB_ENV_DIR,	4274	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4275	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	4277	0666;
2727		4278
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	4280	};
2733		4281
2734	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	4283	};
2736	}	4284	}
		4285
		4286	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4287	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4288	};
		4289	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4291	};
		4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4294	};
		4295
		4296	info "database initialised";
2737	}	4297	}
2738		4298
2739	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
2740	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
2745	reentrant => 0,	4306	info "aio initialised";
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	4307	}
		4308
		4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
		4311
		4312	sub _log_backtrace {
		4313	my ($msg, @addr) = @_;
		4314
		4315	$msg =~ s/\n$//;
		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4320	# limit the # of concurrent backtraces
		4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
		4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
		4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
		4328	my @bt = fork_call {
		4329	@addr = map { sprintf "%x", $_ } @addr;
		4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4332	or die "addr2line: $!";
		4333
		4334	my @funcs;
		4335	my @res = <$fh>;
		4336	chomp for @res;
		4337	while (@res) {
		4338	my ($func, $line) = splice @res, 0, 2, ();
		4339	push @funcs, "[$func] $line";
		4340	}
		4341
		4342	@funcs
		4343	};
		4344
		4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4347	LOG llevInfo, "[ABT] $_\n" for @bt;
		4348	--$_log_backtrace;
		4349	};
		4350	} else {
		4351	LOG llevInfo, "[ABT] $msg\n";
		4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4353	}
		4354	}
		4355
		4356	# load additional modules
		4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
2753		4359
2754	END { cf::emergency_save }	4360	END { cf::emergency_save }
2755		4361
2756	1	4362	1
2757		4363

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines