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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.190 by root, Mon Jan 22 03:44:41 2007 UTC vs.
Revision 1.585 by root, Tue Oct 30 20:18:00 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
52	our $NOW;	139	our $NOW;
53		140
54	our %CFG;	141	our (%PLAYER, %PLAYER_LOADING); # all users
55		142	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		144
67	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
70	binmode STDOUT;	161	binmode STDOUT;
71	binmode STDERR;	162	binmode STDERR;
72		163
73	# read virtual server time, if available	164	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
78	}	169	}
79		170
80	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	172
82	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		175
86	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
87		177
		178	sub cf::map::normalise;
		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
88	#############################################################################	184	#############################################################################
89		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
90	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
91		198
92	=over 4	199	=over 4
93		200
94	=item $cf::UPTIME	201	=item $cf::UPTIME
95		202
96	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
97		219
98	=item $cf::RUNTIME	220	=item $cf::RUNTIME
99		221
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	223	every server tick.
102		224
103	=item $cf::LIBDIR	225	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		226	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		227	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		228
105	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		231	unique-items directory, player file directory, random maps directory and
		232	database environment.
107		233
		234	=item $cf::LOADAVG
		235
		236	The current CPU load on the server (alpha-smoothed), as a value between 0
		237	(none) and 1 (overloaded), indicating how much time is spent on processing
		238	objects per tick. Healthy values are < 0.5.
		239
108	=item $cf::NOW	240	=item $cf::LOAD
109		241
110	The time of the last (current) server tick.	242	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		243
116	=item %cf::CFG	244	=item %cf::CFG
117		245
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	247	from wherever your confdir points to.
120		248
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		250
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
127		283
128	=back	284	=back
129		285
130	=cut	286	=cut
131		287
132	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	295	my $msg = join "", @_;
135	utf8::encode $msg;
136		296
137	$msg .= "\n"	297	$msg .= "\n"
138	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
139		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
140	LOG llevError, $msg;	302	LOG llevWarn, $msg;
141	};	303	};
142	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
143		318
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		326
151	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	328	# within the Safe compartment.
153	for my $pkg (qw(	329	for my $pkg (qw(
154	cf::global cf::attachable	330	cf::global cf::attachable
155	cf::object cf::object::player	331	cf::object cf::object::player
156	cf::client cf::player	332	cf::client cf::player
157	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
158	cf::map cf::party cf::region	335	cf::party cf::region
159	)) {	336	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	338	}
163		339
164	$Event::DIED = sub {	340	$EV::DIED = sub {
165	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
166	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
167		350
168	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
169		352
170	=over 4	353	=over 4
171		354
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	374	$d
192	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
193	}	376	}
194		377
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
196		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
197	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
198		431
199	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
200		433
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
209		435
210	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
211		437
212	=cut	438	=cut
213		439
214	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
216	JSON::Syck::Dump $_[0]	442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
217	}	505	}
218		506
219	=item cf::lock_wait $string	507	=item cf::lock_wait $string
220		508
221	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
222		510
223	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
224		512
225	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
228	returned.	516	returned.
229		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
230	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
232		523
233	=cut	524	=item $locked = cf::lock_active $string
234		525
235	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
236		531
237	sub lock_wait($) {	532	sub lock_wait($) {
238	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	534	}
246		535
247	sub lock_acquire($) {	536	sub lock_acquire($) {
248	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
249		539
250	# wait, to be sure we are not locked	540	sub lock_active($) {
251	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	542	}
260		543
261	sub freeze_mainloop {	544	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
263		546
264	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	548	}
266	$WRITE_RUNTIME_WATCHER->start;	549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
267	};	617	}
268	$WRITE_RUNTIME_WATCHER->stop;	618	};
269	$TICK_WATCHER->stop;	619
270	$guard	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
271	}	633	}
272		634
273	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
274		636
275	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		642
281	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
282		644
283	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
284		646
285	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
288		651
289	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
292	fast or be very important.	655	fast or be very important.
…		…
294	=cut	657	=cut
295		658
296	sub sync_job(&) {	659	sub sync_job(&) {
297	my ($job) = @_;	660	my ($job) = @_;
298		661
299	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
300	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
302		667
303	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	669
305	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
306		671
307	my $busy = 1;	672	my $busy = 1;
308	my @res;	673	my @res;
309		674
310	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	677	@res = eval { $job->() };
312	warn $@ if $@;	678	error $@ if $@;
313	undef $busy;	679	undef $busy;
314	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
315		681
316	while ($busy) {	682	while ($busy) {
317	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
318	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
319		693
320	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
321	} else {	695	} else {
322	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
323		697
…		…
343	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
344		718
345	$coro	719	$coro
346	}	720	}
347		721
348	sub write_runtime {	722	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		723
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
352	or return;	725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
353		728
354	my $value = $cf::RUNTIME + 90 + 10;	729	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		730
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	731	sub post_fork {
359	and return;	732	reset_signals;
		733	}
360		734
361	aio_fsync $fh	735	sub fork_call(&@) {
362	and return;	736	my ($cb, @args) = @_;
363		737
364	close $fh	738	# we seemingly have to make a local copy of the whole thing,
365	or return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
366		741
367	aio_rename "$runtime~", $runtime	742	my @res = Coro::Util::fork_eval {
368	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
369		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
370	1	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
		914	}
		915
		916	=item cf::datalog type => key => value, ...
		917
		918	Log a datalog packet of the given type with the given key-value pairs.
		919
		920	=cut
		921
		922	sub datalog($@) {
		923	my ($type, %kv) = @_;
		924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	925	}
372		926
373	=back	927	=back
374		928
375	=cut	929	=cut
376		930
377	#############################################################################	931	#############################################################################
378		932
379	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
380		934
381	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
384		938
385	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	941	Deliantra).
388		942
389	=over 4	943	=over 4
390		944
391	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
392		946
…		…
436	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
437		991
438	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
440		994
441	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
443		997
444	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
445		999
446	=over 4	1000	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
556		1110
557	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1115
562	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
564		1118
565	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
570		1124
571	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1127
574	} elsif (ref $type) {	1128	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
576		1130
577	} else {	1131	} else {
578	shift @arg;	1132	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
580	}	1134	}
581	}	1135	}
582	}	1136	}
583		1137
584	sub _object_attach {	1138	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
595	}	1149	}
596		1150
597	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
598	} else {	1152	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1154	}
601		1155
602	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
603	}	1157	}
604		1158
…		…
606	if (ref $_[0]) {	1160	if (ref $_[0]) {
607	_object_attach @_;	1161	_object_attach @_;
608	} else {	1162	} else {
609	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
610	}	1164	}
		1165	_recalc_want;
611	};	1166	};
612		1167
613	# all those should be optimised	1168	# all those should be optimised
614	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1174	reattach ($obj);
620	} else {	1175	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
622	}	1177	}
		1178	_recalc_want;
623	};	1179	};
624		1180
625	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
627		1183
…		…
642	";	1198	";
643	die if $@;	1199	die if $@;
644	}	1200	}
645		1201
646	our $override;	1202	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1204
649	sub override {	1205	sub override {
650	$override = 1;	1206	$override = 1;
651	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
652	}	1208	}
653		1209
654	sub do_invoke {	1210	sub do_invoke {
655	my $event = shift;	1211	my $event = shift;
656	my $callbacks = shift;	1212	my $callbacks = shift;
657		1213
658	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
659		1215
660	local $override;	1216	local $override;
661		1217
662	for (@$callbacks) {	1218	for (@$callbacks) {
663	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
664		1220
665	if ($@) {	1221	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1223	override;
669	}	1224	}
670		1225
671	return 1 if $override;	1226	return 1 if $override;
672	}	1227	}
673		1228
674	0	1229	0
675	}	1230	}
676		1231
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1233
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1235
681	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
682		1237
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1241
687	=back	1242	=back
688		1243
689	=cut	1244	=cut
690		1245
691	#############################################################################	1246	#############################################################################
692	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
693		1290
694	sub reattach {	1291	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1293	my ($obj) = @_;
697		1294
		1295	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1297
700	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
701		1299
702	@$registry = ();	1300	@$registry = ();
703		1301
…		…
708	for (@$attach) {	1306	for (@$attach) {
709	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
711	}	1309	}
712	} else {	1310	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1312	}
715	}	1313	}
716	}	1314	}
717		1315
718	cf::attachable->attach (	1316	cf::attachable->attach (
719	prio => -1000000,	1317	prio => -1000000,
720	on_instantiate => sub {	1318	on_instantiate => sub {
721	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
722		1320
723	$data = from_json $data;	1321	$data = decode_json $data;
724		1322
725	for (@$data) {	1323	for (@$data) {
726	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
727		1325
728	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1342	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
746		1344
747	sync_job {	1345	sync_job {
748	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
751		1351
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1357	aio_fsync $fh;
		1358	}
756	close $fh;	1359	aio_close $fh;
757		1360
758	if (@$objs) {	1361	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
		1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1368	aio_fsync $fh;
		1369	}
764	close $fh;	1370	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
766	}	1372	}
767	} else {	1373	} else {
768	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
769	}	1375	}
770		1376
771	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1381	} else {
773	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
774	}	1383	}
775	} else {	1384	} else {
776	aio_unlink $filename;	1385	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
778	}	1387	}
779	}	1388	};
780	}	1389	}
781		1390
782	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
784		1393
…		…
796	or return;	1405	or return;
797		1406
798	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
800	or return;	1409	or return;
		1410
801	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
802	}	1413	}
803		1414
		1415	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
806	return ($data, $av);	1420	($data, $av)
807	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
808		1428
809	#############################################################################	1429	#############################################################################
810	# command handling &c	1430	# command handling &c
811		1431
812	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1446	}
827		1447
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1449
830	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
831		1455
832	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
833	called.	1457	called.
834		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
835	=cut	1470	=cut
836		1471
837	sub register_extcmd {	1472	sub register_extcmd {
838	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
839		1474
840	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
841	}	1476	}
842		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
843	cf::player->attach (	1486	cf::player->attach (
844	on_command => sub {	1487	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
846		1489
847	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
848	or return;	1491	or return;
849		1492
…		…
854	cf::override;	1497	cf::override;
855	},	1498	},
856	on_extcmd => sub {	1499	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
858		1501
859	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1503
861	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
867	} else {	1516	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1518	}
870		1519
871	cf::override;	1520	cf::override;
872	},	1521	},
873	);	1522	);
874		1523
		1524	# "readahead" all extensions
875	sub load_extension {	1525	sub cache_extensions {
876	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
877		1527
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1531	}
903	die $@;
904	}	1532	};
905		1533
906	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
907	}	1546	}
908		1547
909	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
910	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1557	next unless -r $path;
912	eval {	1558
913	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
914	1	1631	}
915	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
916	}	1644	};
917	}	1645	}
918		1646
919	#############################################################################	1647	#############################################################################
920		1648
		1649	=back
		1650
921	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
922		1652
923	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
924		1654
925	=cut	1655	=cut
926		1656
927	package cf::player;	1657	package cf::player;
928		1658
…		…
930		1660
931	=head3 cf::player	1661	=head3 cf::player
932		1662
933	=over 4	1663	=over 4
934		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
		1678
935	=item cf::player::find $login	1679	=item cf::player::find $login
936		1680
937	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
938		1682
939	=cut	1683	=cut
940		1684
941	sub playerdir($) {	1685	sub playerdir($) {
942	cf::localdir	1686	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1688	}
948		1689
949	sub path($) {	1690	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1692
952	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
953	}	1694	}
954		1695
955	sub find_active($) {	1696	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
960		1701
961	sub exists($) {	1702	sub exists($) {
962	my ($login) = @_;	1703	my ($login) = @_;
963		1704
964	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
966	}	1707	}
967		1708
968	sub find($) {	1709	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1711	my $login = $_[0];
971		1712
972	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
973		1714
974	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1716	# rename old playerfiles to new ones
		1717	#TODO: remove when no longer required
		1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1721	aio_unlink +(playerdir $login) . "/$login.pl";
		1722
		1723	my $f = new_from_file cf::object::thawer path $login
976	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
978	}	1732	}
979	}	1733	}
980	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
981		1748
982	sub save($) {	1749	sub save($) {
983	my ($pl) = @_;	1750	my ($pl) = @_;
984		1751
985	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
991		1758
992	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
994		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
995	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
996	Coro::cede;	1768	cf::cede_to_tick;
997	}	1769	}
998		1770
999	sub new($) {	1771	sub new($) {
1000	my ($login) = @_;	1772	my ($login) = @_;
1001		1773
…		…
1007	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1008		1780
1009	$self	1781	$self
1010	}	1782	}
1011		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1012	=item $pl->quit_character	1794	=item $pl->quit_character
1013		1795
1014	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1016		1798
1017	=cut	1799	=cut
1018		1800
1019	sub quit_character {	1801	sub quit_character {
1020	my ($pl) = @_;	1802	my ($pl) = @_;
1021		1803
		1804	my $name = $pl->ob->name;
		1805
1022	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1808
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1028	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1029		1817
1030	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1822	$pl->destroy;
		1823
		1824	my $prefix = qr<^~\Q$name\E/>;
		1825
		1826	# nuke player maps
		1827	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1828
1035	IO::AIO::aio_rmtree $temp;	1829	IO::AIO::aio_rmtree $temp;
		1830	}
		1831
		1832	=item $pl->kick
		1833
		1834	Kicks a player out of the game. This destroys the connection.
		1835
		1836	=cut
		1837
		1838	sub kick {
		1839	my ($pl, $kicker) = @_;
		1840
		1841	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1842	$pl->killer ("kicked");
		1843	$pl->ns->destroy;
1036	}	1844	}
1037		1845
1038	=item cf::player::list_logins	1846	=item cf::player::list_logins
1039		1847
1040	Returns am arrayref of all valid playernames in the system, can take a	1848	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1042		1850
1043	=cut	1851	=cut
1044		1852
1045	sub list_logins {	1853	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1855	or return [];
1048		1856
1049	my @logins;	1857	my @logins;
1050		1858
1051	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1055		1869
1056	utf8::decode $login;	1870	utf8::decode $login;
1057	push @logins, $login;	1871	push @logins, $login;
1058	}	1872	}
1059		1873
1060	\@logins	1874	\@logins
1061	}	1875	}
1062		1876
1063	=item $player->maps	1877	=item $player->maps
1064		1878
		1879	=item cf::player::maps $login
		1880
1065	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1066	player. May block.	1882	player. May block.
1067		1883
1068	=cut	1884	=cut
1069		1885
1070	sub maps($) {	1886	sub maps($) {
1071	my ($pl) = @_;	1887	my ($pl) = @_;
		1888
		1889	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1890
1073	my $files = aio_readdir playerdir $pl	1891	my $files = aio_readdir playerdir $pl
1074	or return;	1892	or return;
1075		1893
1076	my @paths;	1894	my @paths;
…		…
1078	for (@$files) {	1896	for (@$files) {
1079	utf8::decode $_;	1897	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1898	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1899	next unless /^$PATH_SEP/o;
1082		1900
1083	s/\.map$//;	1901	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1902	}
1086		1903
1087	\@paths	1904	\@paths
1088	}	1905	}
1089		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1091		1912
1092	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1093		1914
1094	=cut	1915	=cut
1095		1916
1096	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1098		1919
1099	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1921	}
1103		1922
1104	package cf;	1923	=item $player->ext_msg ($type, @msg)
		1924
		1925	Sends an ext event to the client.
		1926
		1927	=cut
		1928
		1929	sub ext_msg($$@) {
		1930	my ($self, $type, @msg) = @_;
		1931
		1932	$self->ns->ext_msg ($type, @msg);
		1933	}
		1934
		1935	=head3 cf::region
		1936
		1937	=over 4
		1938
		1939	=cut
		1940
		1941	package cf::region;
		1942
		1943	=item cf::region::find_by_path $path
		1944
		1945	Tries to decuce the likely region for a map knowing only its path.
		1946
		1947	=cut
		1948
		1949	sub find_by_path($) {
		1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
		1954	my ($match, $specificity);
		1955
		1956	for my $region (list) {
		1957	if ($region->{match} && $path =~ $region->{match}) {
		1958	($match, $specificity) = ($region, $region->specificity)
		1959	if $region->specificity > $specificity;
		1960	}
		1961	}
		1962
		1963	$match
		1964	}
1105		1965
1106	=back	1966	=back
1107
1108		1967
1109	=head3 cf::map	1968	=head3 cf::map
1110		1969
1111	=over 4	1970	=over 4
1112		1971
…		…
1124	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1126		1985
1127	sub generate_random_map {	1986	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1130	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1992	}
1144		1993
1145	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1146		1995
1147	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1152		2001
1153	sub register {	2002	sub register {
1154	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	2004	my $pkg = caller;
1156		2005
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		2007
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	2009	}
1162		2010
1163	# also paths starting with '/'	2011	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		2013
1166	sub thawer_merge {	2014	sub thawer_merge {
1167	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1168		2016
1169	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1170	local $self->{path};	2018	local $self->{path};
1171	local $self->{load_path};	2019	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		2020
1175	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1176	}	2022	}
1177		2023
1178	sub normalise {	2024	sub normalise {
1179	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
		2026
		2027	$path = "$path"; # make sure it's a string
		2028
		2029	$path =~ s/\.map$//;
1180		2030
1181	# map plan:	2031	# map plan:
1182	#	2032	#
1183	# /! non-realised random map exit (special hack!)	2033	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	2034	# {... are special paths that are not being touched
…		…
1197	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1198	$path = "$base/$path";	2048	$path = "$base/$path";
1199	}	2049	}
1200		2050
1201	for ($path) {	2051	for ($path) {
1202	redo if s{//}{/};
1203	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1204	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1205	}	2054	}
1206		2055
1207	$path	2056	$path
…		…
1221	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1222	return $self;	2071	return $self;
1223	}	2072	}
1224	}	2073	}
1225		2074
1226	Carp::carp "unable to resolve path '$path'.";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1227	()	2076	()
1228	}	2077	}
1229		2078
		2079	# may re-bless or do other evil things
1230	sub init {	2080	sub init {
1231	my ($self) = @_;	2081	my ($self) = @_;
1232		2082
1233	$self	2083	$self
1234	}	2084	}
…		…
1246		2096
1247	# the original (read-only) location	2097	# the original (read-only) location
1248	sub load_path {	2098	sub load_path {
1249	my ($self) = @_;	2099	my ($self) = @_;
1250		2100
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1252	}	2102	}
1253		2103
1254	# the temporary/swap location	2104	# the temporary/swap location
1255	sub save_path {	2105	sub save_path {
1256	my ($self) = @_;	2106	my ($self) = @_;
1257		2107
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1260	}	2110	}
1261		2111
1262	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1263	sub uniq_path {	2113	sub uniq_path {
1264	my ($self) = @_;	2114	my ($self) = @_;
1265		2115
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1268	}	2118	}
1269		2119
1270	# and all this just because we cannot iterate over	2120	sub decay_objects {
1271	# all maps in C++...
1272	sub change_all_map_light {
1273	my ($change) = @_;	2121	my ($self) = @_;
1274		2122
1275	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1276	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1277	}	2126	}
1278		2127
1279	sub unlink_save {	2128	sub unlink_save {
1280	my ($self) = @_;	2129	my ($self) = @_;
1281		2130
…		…
1286		2135
1287	sub load_header_from($) {	2136	sub load_header_from($) {
1288	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1289		2138
1290	utf8::encode $path;	2139	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1292	or return;	2141	or return;
1293		2142
1294	$self->_load_header ($path)	2143	$self->_load_header ($f)
1295	or return;	2144	or return;
1296		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1297	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1298		2150
1299	1	2151	1
1300	}	2152	}
1301		2153
		2154	# used to laod the header of an original map
1302	sub load_header_orig {	2155	sub load_header_orig {
1303	my ($self) = @_;	2156	my ($self) = @_;
1304		2157
1305	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1306	}	2159	}
1307		2160
		2161	# used to laod the header of an instantiated map
1308	sub load_header_temp {	2162	sub load_header_temp {
1309	my ($self) = @_;	2163	my ($self) = @_;
1310		2164
1311	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1312	}	2166	}
1313		2167
		2168	# called after loading the header from an instantiated map
1314	sub prepare_temp {	2169	sub prepare_temp {
1315	my ($self) = @_;	2170	my ($self) = @_;
1316		2171
1317	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1318	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1319	# safety	2174	# safety
1320	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1321	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1322	}	2177	}
1323		2178
		2179	# called after loading the header from an original map
1324	sub prepare_orig {	2180	sub prepare_orig {
1325	my ($self) = @_;	2181	my ($self) = @_;
1326		2182
1327	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1339	$self->load_header_orig	2195	$self->load_header_orig
1340	or return;	2196	or return;
1341	$self->prepare_orig;	2197	$self->prepare_orig;
1342	}	2198	}
1343		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
		2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
1344	1	2206	1
1345	}	2207	}
1346		2208
1347	sub find;	2209	sub find;
1348	sub find {	2210	sub find {
1349	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1350		2212
		2213	cf::cede_to_tick;
		2214
1351	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1352		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1354		2219
1355	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1356	my $guard = cf::lock_acquire "map_find:$path";
1357	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1358	or return;	2222	or return;
1359		2223
1360	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1361		2225
1362	$map->load_header	2226	$map->load_header
1363	or return;	2227	or return;
1364		2228
1365	if ($map->should_reset) {	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1368	$map->reset;	2234	$map->reset;
1369	undef $guard;
1370	$map = find $path	2235	return find $path;
1371	or return;
1372	}	2236	}
1373		2237
1374	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1375	}	2239	}
1376	}	2240	}
1377		2241
1378	sub pre_load { }	2242	sub pre_load { }
1379	sub post_load { }	2243	#sub post_load { } # XS
1380		2244
1381	sub load {	2245	sub load {
1382	my ($self) = @_;	2246	my ($self) = @_;
1383		2247
		2248	local $self->{deny_reset} = 1; # loading can take a long time
		2249
1384	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1385	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1386		2254
1387	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1388		2257
1389	$self->in_memory (cf::MAP_LOADING);
1390
1391	$self->alloc;	2258	$self->alloc;
1392		2259
1393	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1394		2262
1395	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1396	or return;	2267	or return;
1397		2268
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1399	if delete $self->{load_original};	2270	if delete $self->{load_original};
1400		2271
1401	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	2273	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	2276	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1406	}	2281	}
1407	}
1408		2282
1409	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1410		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1411	# now do the right thing for maps	2292	# now do the right thing for maps
1412	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	2295	unless $self->difficulty;
1422	Coro::cede;	2296	cf::cede_to_tick;
1423	$self->activate;	2297
		2298	unless ($self->{deny_activate}) {
		2299	$self->decay_objects;
		2300	$self->fix_auto_apply;
		2301	$self->update_buttons;
		2302	cf::cede_to_tick;
		2303	#$self->activate; # no longer activate maps automatically
		2304	}
		2305
		2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1424	}	2308	}
1425		2309
1426	$self->post_load;	2310	$self->post_load;
1427		2311
1428	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1429	}	2313	}
1430		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1431	sub customise_for {	2318	sub customise_for {
1432	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1433		2320
1434	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	2322	if $self->per_player;
1436		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1437	$self	2327	$self
1438	}
1439
1440	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {
1442	my ($map) = @_;
1443
1444	my @diag; # diagonal neighbours
1445
1446	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)
1448	or next;
1449	$neigh = find $neigh, $map
1450	or next;
1451	$neigh->load;
1452
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}
1456
1457	for (@diag) {
1458	my $neigh = find @$_
1459	or next;
1460	$neigh->load;
1461	}
1462	}	2328	}
1463		2329
1464	sub find_sync {	2330	sub find_sync {
1465	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1466		2332
1467	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1468	}	2338	}
1469		2339
1470	sub do_load_sync {	2340	sub do_load_sync {
1471	my ($map) = @_;	2341	my ($map) = @_;
1472		2342
1473	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1474	}	2348	}
1475		2349
1476	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1478		2352
1479	sub find_async {	2353	sub find_async {
1480	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1481		2355
1482	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1483		2357
1484	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1486	}	2360	}
1487		2361
1488	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1489	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1490	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2369	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2370	$map->load if $v;
		2371	}
1495		2372
1496	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1497	}	2374	}
1498	}	2375	}
1499	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1500	};	2377	};
1501	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1502		2379
1503	()	2380	()
1504	}	2381	}
1505		2382
		2383	# common code, used by both ->save and ->swapout
1506	sub save {	2384	sub _save {
1507	my ($self) = @_;	2385	my ($self) = @_;
1508
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;
1510		2386
1511	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1512		2388
1513	return unless $self->dirty;	2389	return unless $self->dirty;
1514		2390
…		…
1520	return if $self->{deny_save};	2396	return if $self->{deny_save};
1521		2397
1522	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1523		2399
1524	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1525	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1526	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1527		2406
1528	if ($uniq) {	2407	if ($uniq) {
1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1531	} else {	2410	} else {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1533	}	2412	}
1534	}	2413	}
1535		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1536	sub swap_out {	2423	sub swap_out {
1537	my ($self) = @_;	2424	my ($self) = @_;
1538		2425
1539	# save first because save cedes
1540	$self->save;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1544	return if $self->players;	2430	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;
1546	return if $self->{deny_save};
1547		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1548	$self->clear;	2441	$self->clear;
1549	$self->in_memory (cf::MAP_SWAPPED);
1550	}	2442	}
1551		2443
1552	sub reset_at {	2444	sub reset_at {
1553	my ($self) = @_;	2445	my ($self) = @_;
1554		2446
1555	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1558		2449
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		2452
…		…
1572	my ($self) = @_;	2463	my ($self) = @_;
1573		2464
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2466
1576	return if $self->players;	2467	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2468
1579	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
		2470
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
1580		2480
1581	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1582		2482
1583	$self->in_memory (cf::MAP_SWAPPED);	2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1584	$self->clear;	2485	$self->clear;
1585
1586	$_->clear_links_to ($self) for values %cf::MAP;
1587		2486
1588	$self->unlink_save;	2487	$self->unlink_save;
1589	$self->destroy;	2488	$self->destroy;
1590	}	2489	}
1591		2490
1592	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1593		2492
1594	sub nuke {	2493	sub nuke {
1595	my ($self) = @_;	2494	my ($self) = @_;
1596		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1597	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1598		2500
1599	$self->unlink_save;	2501	$self->unlink_save;
1600		2502
1601	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1602	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2508
1607	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1608		2511
1609	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1610	}	2549	}
1611		2550
1612	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1613		2552
1614	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2554	instantiated unique items. May block.
1616		2555
1617	=cut	2556	=cut
1618		2557
1619	sub unique_maps() {	2558	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1621	or return;	2560	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2561	utf8::decode $_;
1627	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1628	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
		2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
		2567	]
		2568	}
1629		2569
		2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
1630	s/\.map$//;	2591	s/\.map$// or next;
1631	push @paths, $_;	2592	utf8::decode $_;
1632	}	2593	push @maps, "$dir/$_";
		2594	}
1633		2595
1634	\@paths	2596	push @dirs, map "$dir/$_", @$dirs;
1635	}	2597	}
1636		2598
1637	package cf;	2599	\@maps
		2600	}
1638		2601
1639	=back	2602	=back
1640		2603
1641	=head3 cf::object	2604	=head3 cf::object
1642		2605
…		…
1646		2609
1647	=over 4	2610	=over 4
1648		2611
1649	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1650		2613
1651	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1652		2616
1653	=cut	2617	=cut
1654		2618
1655	sub inv_recursive_;	2619	sub inv_recursive_;
1656	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1659		2623
1660	sub inv_recursive {	2624	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1662	}	2626	}
1663		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1664	package cf;	2656	package cf;
1665		2657
1666	=back	2658	=back
1667		2659
1668	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1677		2669
1678	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1679		2685
1680	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2687	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1685		2691
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2693
1688	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1690	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1693	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1694	}	2719	}
1695		2720
1696	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1697		2722
1698	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1711		2736
1712	=item $player_object->enter_link	2737	=item $player_object->enter_link
1713		2738
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2740
1716	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1718		2745
1719	Will never block.	2746	Will never block.
1720		2747
1721	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1722		2749
…		…
1730	=cut	2757	=cut
1731		2758
1732	sub link_map {	2759	sub link_map {
1733	unless ($LINK_MAP) {	2760	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2761	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2763	$LINK_MAP->load;
1737	}	2764	}
1738		2765
1739	$LINK_MAP	2766	$LINK_MAP
1740	}	2767	}
…		…
1742	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1743	my ($self) = @_;	2770	my ($self) = @_;
1744		2771
1745	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1746		2773
		2774	++$self->{_link_recursion};
		2775
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2777
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1751		2780
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1753	}	2782	}
1754		2783
1755	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1757		2788
1758	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1759		2790
1760	unless ($map) {	2791	unless ($map) {
1761	# restore original map position	2792	# restore original map position
…		…
1772	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1773	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1774		2805
1775	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1778		2809
1779	$map->load;	2810	$map->load;
1780	$map->load_diag;
1781		2811
1782	return unless $self->contr->active;	2812	return unless $self->contr->active;
		2813
		2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2815	if ($self->enter_map ($map, $x, $y)) {
		2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
1783	$self->activate_recursive;	2819	$self->activate_recursive;
1784	$self->enter_map ($map, $x, $y);
1785	}
1786
1787	cf::player->attach (
1788	on_logout => sub {
1789	my ($pl) = @_;
1790
1791	# abort map switching before logout
1792	if ($pl->ob->{_link_pos}) {
1793	cf::sync_job {
1794	$pl->ob->leave_link
1795	};
1796	}
1797	},	2820	}
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2821
1801	# try to abort aborted map switching on player login :)	2822	}
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818		2823
1819	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1820		2825
		2826	Moves the player to the given map-path and coordinates by first freezing
		2827	her, loading and preparing them map, calling the provided $check callback
		2828	that has to return the map if sucecssful, and then unfreezes the player on
		2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
1821	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1822		2838
1823	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
		2848	# do generation counting so two concurrent goto's will be executed in-order
		2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2850
1826	$self->enter_link;	2851	$self->enter_link;
1827		2852
1828	(async {	2853	(async {
1829	my $map = cf::map::find $path;	2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
		2875	my $map = eval {
		2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
1831		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2881	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
1836		2884
		2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
		2891	}
		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1838	})->prio (1);	2899	})->prio (1);
1839	}	2900	}
1840		2901
1841	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1842		2903
…		…
1862	}	2923	}
1863		2924
1864	sub prepare_random_map {	2925	sub prepare_random_map {
1865	my ($exit) = @_;	2926	my ($exit) = @_;
1866		2927
1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1868
1869	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1870	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1871	# that depends on the exit object	2930	# that depends on the exit object
1872		2931
1873	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
1874		2933
1875	if ($exit->map) {	2934	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2935	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1880	}	2941	}
1881		2942
1882	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1883		2944
1884	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1885	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1887		2948
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2951	undef $fh;
1891	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1892		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1893	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1894	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1895	}	2960	}
1896	}	2961	}
1897		2962
1898	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
…		…
1901	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1902		2967
1903	$self->enter_link;	2968	$self->enter_link;
1904		2969
1905	(async {	2970	(async {
1906	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1907	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
1908	prepare_random_map $exit	2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
1909	if $exit->slaying eq "/!";	2990	$map = $exit->slaying;
1910		2991
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2992	} elsif ($slaying eq '!up') {
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
1913		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
		3003	$self->goto ($map, $x, $y);
		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
1914	1;	3009	1
1915	}) {	3010	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1917	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1920		3015
1921	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1922	$self->leave_link;	3017	$self->leave_link;
1923	}	3018	}
1924	})->prio (1);	3019	})->prio (1);
1925	}	3020	}
1926		3021
…		…
1937		3032
1938	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1940		3035
1941	utf8::encode $text;	3036	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	3038	}
1944		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
		3227	=item $client->ext_msg ($type, @msg)
		3228
		3229	Sends an ext event to the client.
		3230
		3231	=cut
		3232
		3233	sub cf::client::ext_msg($$@) {
		3234	my ($self, $type, @msg) = @_;
		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3256	}
1945		3257
1946	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1947		3259
1948	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		3263
1952	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	3265	become reliable at some point in the future.
1954		3266
1955	=cut	3267	=cut
1956		3268
1957	sub cf::client::query {	3269	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	3278	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		3280
1969	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
1971	}	3285	}
1972		3286
1973	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
1974	on_reply => sub {	3293	on_reply => sub {
1975	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
1976		3295
1977	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
1978	# get handled first	3297	# get handled first
1979	my $queue = delete $ns->{query_queue}	3298	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	3299	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		3300
1982	(shift @$queue)->[1]->($msg);	3301	(shift @$queue)->[1]->($msg);
		3302	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		3303
1984	push @{ $ns->{query_queue} }, @$queue;	3304	push @{ $ns->{query_queue} }, @$queue;
1985		3305
1986	if (@{ $ns->{query_queue} } == @$queue) {	3306	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	3307	if (@$queue) {
…		…
1989	} else {	3309	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	3311	}
1992	}	3312	}
1993	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
1994	);	3337	);
1995		3338
1996	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
1997		3340
1998	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2014		3357
2015	$coro	3358	$coro
2016	}	3359	}
2017		3360
2018	cf::client->attach (	3361	cf::client->attach (
2019	on_destroy => sub {	3362	on_client_destroy => sub {
2020	my ($ns) = @_;	3363	my ($ns) = @_;
2021		3364
2022	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2023	},	3366	},
2024	);	3367	);
…		…
2039	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2041		3384
2042	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2043		3386
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2045		3392
2046	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2047		3394
2048	=pod	3395	=pod
2049		3396
2050	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2051		3398
2052	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2053	cf::object::player player	3404	cf::object::player
2054	cf::player peaceful	3405	player
2055	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2056		3412
2057	=cut	3413	=cut
2058		3414
2059	for (	3415	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2061	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2063	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2064	) {	3422	) {
2065	no strict 'refs';
2066	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2067	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2068	for @funs;	3425	for @funs;
2069	}	3426	}
2070		3427
…		…
2085		3442
2086	my $qcode = $code;	3443	my $qcode = $code;
2087	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2088	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2089		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2090	local $_;	3450	local $_;
2091	local @safe::cf::_safe_eval_args = values %vars;
2092		3451
2093	my $eval =	3452	my $eval =
2094	"do {\n"	3453	"do {\n"
2095	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2096	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2097	. $code	3456	. $code
2098	. "\n}"	3457	. "\n}"
2099	;	3458	;
2100		3459
		3460	if ($CFG{safe_eval}) {
2101	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2102	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2103	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2104		3469
2105	if ($@) {	3470	if ($@) {
2106	warn "$@";	3471	warn "$@",
2107	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2108	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2109	}	3474	}
2110		3475
2111	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2112	}	3477	}
2113		3478
…		…
2127	=cut	3492	=cut
2128		3493
2129	sub register_script_function {	3494	sub register_script_function {
2130	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2131		3496
2132	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2133	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2134	}	3499	}
2135		3500
2136	=back	3501	=back
2137		3502
2138	=cut	3503	=cut
2139		3504
2140	#############################################################################	3505	#############################################################################
		3506	# the server's init and main functions
2141		3507
2142	=head2 EXTENSION DATABASE SUPPORT	3508	our %FACEHASH; # hash => idx, #d# HACK for http server
2143		3509
2144	Crossfire maintains a very simple database for extension use. It can	3510	sub load_facedata($) {
2145	currently store anything that can be serialised using Storable, which	3511	my ($path) = @_;
2146	excludes objects.
2147		3512
2148	The parameter C<$family> should best start with the name of the extension	3513	# HACK to clear player env face cache, we need some signal framework
2149	using it, it should be unique.	3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
2150		3516
2151	=over 4	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2152		3518
2153	=item $hashref = cf::db_get $family	3519	trace "loading facedata from $path\n";
2154		3520
2155	Return a hashref for use by the extension C<$family>, which can be	3521	my $facedata = decode_storable load_file $path;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		3522
2159	=item $value = cf::db_get $family => $key	3523	$facedata->{version} == 2
		3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		3525
2161	Returns a single value from the database	3526	# patch in the exptable
2162		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2163	=item cf::db_put $family => $hashref	3528	$facedata->{resource}{"res/exp_table"} = {
2164		3529	type => FT_RSRC,
2165	Stores the given family hashref into the database. Updates are delayed, if	3530	data => $exp_table,
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3531	hash => (Digest::MD5::md5 $exp_table),
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	3532	};
		3533	cf::cede_to_tick;
2191		3534
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	3535	{
		3536	my $faces = $facedata->{faceinfo};
2203		3537
2204	my $dirty;	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
		3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205		3541
2206	sub db_sync() {	3542	cf::face::set_visibility $idx, $info->{visibility};
2207	db_save if $dirty;	3543	cf::face::set_magicmap $idx, $info->{magicmap};
2208	undef $dirty;	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2209	}	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
2210		3548
2211	my $idle = Event->idle (	3549	cf::cede_to_tick;
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	3550	}
2245	);
2246	}
2247		3551
2248	#############################################################################	3552	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	3553	next unless $info->{smooth};
2250		3554
2251	sub cfg_load {	3555	my $idx = cf::face::find $face
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3556	or next;
2253	or return;
2254		3557
2255	local $/;	3558	if (my $smooth = cf::face::find $info->{smooth}) {
2256	*CFG = YAML::Syck::Load <$fh>;	3559	cf::face::set_smooth $idx, $smooth;
		3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3561	} else {
		3562	error "smooth face '$info->{smooth}' not found for face '$face'";
		3563	}
2257		3564
		3565	cf::cede_to_tick;
		3566	}
		3567	}
		3568
		3569	{
		3570	my $anims = $facedata->{animinfo};
		3571
		3572	while (my ($anim, $info) = each %$anims) {
		3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3574	cf::cede_to_tick;
		3575	}
		3576
		3577	cf::anim::invalidate_all; # d'oh
		3578	}
		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
		3602	1
		3603	}
		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
		3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
		3628	load_resource_file "$MAPDIR/regions"
		3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
		3635	}
		3636
		3637	sub reload_facedata {
		3638	load_facedata "$DATADIR/facedata"
		3639	or die "unable to load facedata\n";
		3640	}
		3641
		3642	sub reload_archetypes {
		3643	load_resource_file "$DATADIR/archetypes"
		3644	or die "unable to load archetypes\n";
		3645	}
		3646
		3647	sub reload_treasures {
		3648	load_resource_file "$DATADIR/treasures"
		3649	or die "unable to load treasurelists\n";
		3650	}
		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
		3672	sub reload_resources {
		3673	trace "reloading resource files...\n";
		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
		3680	reload_regions;
		3681	reload_treasures;
		3682
		3683	trace "finished reloading resource files\n";
		3684	}
		3685
		3686	sub reload_config {
		3687	trace "reloading config file...\n";
		3688
		3689	my $config = load_file "$CONFDIR/config";
		3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
		3692
2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2259		3694
2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2262		3697
2263	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2267	};	3702	};
2268	warn $@ if $@;	3703	warn $@ if $@;
2269	}	3704	}
2270	}	3705	}
2271		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2272	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2273	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2274	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276	(async {	3748	(async {
2277	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2278	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2279	};	3752	};
2280		3753
2281	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
2282	db_load;	3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
		3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2283	load_extensions;	3777	load_extensions;
2284		3778
2285	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2286	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2287	}	3796	}
2288		3797
2289	#############################################################################	3798	#############################################################################
2290	# initialisation and cleanup	3799	# initialisation and cleanup
2291		3800
2292	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2293	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2294	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2296	reentrant => 0,
2297	data => WF_AUTOCANCEL,
2298	signal => $signal,
2299	cb => sub {
2300	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2301	},
2302	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2303	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2304	}	3897	}
2305		3898
2306	sub emergency_save() {	3899	sub emergency_save() {
2307	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2308		3901
2309	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2310		3908
2311	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2312	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2313	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2314	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2315	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2316	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2317	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2318	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2319	$pl->save;	3920	$pl->save;
2320	}	3921	}
2321	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2322		3923
2323	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2324	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2325	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	3929	$map->valid or next;
2327	$map->save;	3930	$map->save;
2328	}	3931	}
2329	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
		3933
		3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
		3937	BDB::db_env_txn_checkpoint $DB_ENV;
		3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2330	};	3962	};
2331		3963
2332	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2333	}	3965	}
2334		3966
		3967	sub post_cleanup {
		3968	my ($make_core) = @_;
		3969
		3970	IO::AIO::flush;
		3971
		3972	error Carp::longmess "post_cleanup backtrace"
		3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
		4002	}
		4003
2335	sub reload() {	4004	sub do_reload_perl() {
2336	# can/must only be called in main	4005	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2338	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2339	return;	4008	return;
2340	}	4009	}
2341		4010
2342	warn "reloading...";	4011	return if $RELOAD++;
2343		4012
2344	warn "cancelling server ticker";	4013	my $t1 = AE::time;
2345	$TICK_WATCHER->cancel;
2346		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
		4021	cf::sync_job {
2347	cf::emergency_save;	4022	#cf::emergency_save;
2348		4023
2349	eval {
2350	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354
2355	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}
2359
2360	warn "flushing outstanding aio requests";
2361	for (;;) {
2362	IO::AIO::flush;
2363	Coro::cede;
2364	last unless IO::AIO::nreqs;
2365	warn "iterate...";
2366	}
2367
2368	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	4026	%EXT_CORO = ();
2371		4027
2372	warn "removing commands";	4028	trace "perl_reload: removing commands";
2373	%COMMAND = ();	4029	%COMMAND = ();
2374		4030
2375	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2376	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2377		4034
2378	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2379	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2380	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2381		4038
2382	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2383	eval {	4040	eval {
2384	$cb->($pkg);	4041	$cb->($pkg);
2385	1	4042	1
2386	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2387	}	4048	}
2388		4049
2389	warn "... nuking $pkg";
2390	Symbol::delete_package $pkg;
2391	}
2392
2393	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2394	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2395	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2396		4053
2397	warn "... unloading $k";	4054	trace "... unloading $k";
2398	delete $INC{$k};	4055	delete $INC{$k};
2399		4056
2400	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2401	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2402		4059
2403	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2404	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2405	}	4065	}
2406		4066
2407	Symbol::delete_package $k;
2408	}
2409
2410	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2411	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		4070
2414	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
		4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2416		4074
2417	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2418	# and global variables created in xs	4076	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2420		4078
2421	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2422		4080
2423	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2424	require cf;	4082	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2426		4084
2427	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2428	cf::cfg_load;	4086	cf::reload_config;
2429	cf::db_load;
2430		4087
2431	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2432	cf::load_extensions;	4089	cf::load_extensions;
2433		4090
		4091	if ($REATTACH_ON_RELOAD) {
2434	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2435	_global_reattach;	4093	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2437	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
		4096	trace "perl_reload: reattaching attachments to players";
		4097	reattach $_ for values %PLAYER;
		4098	}
2438		4099
2439	warn "restarting server ticker";	4100	cf::_post_init 1;
2440		4101
2441	$TICK_WATCHER->start;	4102	trace "perl_reload: leaving sync_job";
		4103
		4104	1
		4105	} or do {
		4106	error $@;
		4107	cf::cleanup "perl_reload: error, exiting.";
		4108	};
		4109
		4110	--$RELOAD;
		4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
		4115	};
		4116
		4117	our $RELOAD_WATCHER; # used only during reload
		4118
		4119	sub reload_perl() {
		4120	# doing reload synchronously and two reloads happen back-to-back,
		4121	# coro crashes during coro_state_free->destroy here.
		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
		4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4127	do_reload_perl;
		4128	undef $RELOAD_WATCHER;
		4129	};
2442	};	4130	};
2443		4131	}
2444	if ($@) {
2445	warn $@;
2446	warn "error while reloading, exiting.";
2447	exit 1;
2448	}
2449
2450	warn "reloaded";
2451	};
2452
2453	our $RELOAD_WATCHER; # used only during reload
2454		4132
2455	register_command "reload" => sub {	4133	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2457		4135
2458	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
2460		4138	async {
2461	# doing reload synchronously and two reloads happen back-to-back,	4139	$Coro::current->{desc} = "perl_reload";
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;	4140	reload_perl;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);	4141	};
2473	}	4142	}
2474	};	4143	};
2475		4144
2476	unshift @INC, $LIBDIR;	4145	#############################################################################
2477		4146
2478	my $bug_warning = 0;	4147	my $bug_warning = 0;
2479		4148
2480	$TICK_WATCHER = Event->timer (	4149	sub wait_for_tick() {
2481	reentrant => 0,	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2482	parked => 1,	4151
2483	prio => -1,	4152	$WAIT_FOR_TICK->wait;
2484	at => $NEXT_TICK || $TICK,	4153	}
2485	data => WF_AUTOCANCEL,	4154
2486	cb => sub {	4155	sub wait_for_tick_begin() {
		4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4157
		4158	my $signal = new Coro::Signal;
		4159	push @WAIT_FOR_TICK_BEGIN, $signal;
		4160	$signal->wait;
		4161	}
		4162
		4163	sub tick {
2487	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2490	return;	4167	return;
		4168	}
		4169
		4170	cf::one_tick; # one server iteration
		4171
		4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4173
		4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
		4178	write_runtime_sync
		4179	or error "ERROR: unable to write runtime file: $!";
2491	}	4180	};
		4181	}
2492		4182
2493	$NOW = Event::time;	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2494		4184	$sig->send;
2495	cf::server_tick; # one server iteration	4185	}
2496	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;
2498
2499	$WAIT_FOR_TICK->broadcast;	4186	$WAIT_FOR_TICK->broadcast;
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2501		4187
2502	my $AFTER = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2503	warn $AFTER - $NOW;#d#	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2504		4190
2505	# if we are delayed by four ticks or more, skip them all	4191	if (0) {
2506	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4192	if ($NEXT_TICK) {
2507		4193	my $jitter = $TICK_START - $NEXT_TICK;
2508	$TICK_WATCHER->at ($NEXT_TICK);	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2509	$TICK_WATCHER->start;	4195	debug "jitter $JITTER\n";#d#
		4196	}
2510	},	4197	}
2511	);	4198	}
2512		4199
		4200	{
		4201	# configure BDB
		4202
		4203	BDB::min_parallel 16;
		4204	BDB::max_poll_reqs $TICK * 0.1;
		4205	#$AnyEvent::BDB::WATCHER->priority (1);
		4206
		4207	unless ($DB_ENV) {
		4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4214
		4215	cf::sync_job {
		4216	eval {
		4217	BDB::db_env_open
		4218	$DB_ENV,
		4219	$BDBDIR,
		4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4222	0666;
		4223
		4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4225	};
		4226
		4227	cf::cleanup "db_env_open(db): $@" if $@;
		4228	};
		4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
		4240	}
		4241
		4242	{
		4243	# configure IO::AIO
		4244
		4245	IO::AIO::min_parallel 8;
2513	IO::AIO::max_poll_time $TICK * 0.2;	4246	IO::AIO::max_poll_time $TICK * 0.1;
		4247	undef $AnyEvent::AIO::WATCHER;
		4248	}
2514		4249
2515	undef $Coro::AIO::WATCHER;	4250	our $_log_backtrace;
2516	$AIO_POLL_WATCHER = Event->io (	4251	our $_log_backtrace_last;
2517	reentrant => 0,
2518	fd => IO::AIO::poll_fileno,
2519	poll => 'r',
2520	prio => 6,
2521	data => WF_AUTOCANCEL,
2522	cb => \&IO::AIO::poll_cb,
2523	);
2524		4252
2525	$WRITE_RUNTIME_WATCHER = Event->timer (	4253	sub _log_backtrace {
2526	reentrant => 0,	4254	my ($msg, @addr) = @_;
2527	data => WF_AUTOCANCEL,	4255
2528	after => 1,	4256	$msg =~ s/\n$//;
2529	interval => 10,	4257
2530	prio => 6, # keep it lowest so it acts like a watchdog	4258	if ($_log_backtrace_last eq $msg) {
2531	cb => Coro::unblock_sub {	4259	LOG llevInfo, "[ABT] $msg\n";
2532	write_runtime	4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2533	or warn "ERROR: unable to write runtime file: $!";	4261	# limit the # of concurrent backtraces
		4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
		4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
		4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
		4269	my @bt = fork_call {
		4270	@addr = map { sprintf "%x", $_ } @addr;
		4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4273	or die "addr2line: $!";
		4274
		4275	my @funcs;
		4276	my @res = <$fh>;
		4277	chomp for @res;
		4278	while (@res) {
		4279	my ($func, $line) = splice @res, 0, 2, ();
		4280	push @funcs, "[$func] $line";
		4281	}
		4282
		4283	@funcs
		4284	};
		4285
		4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4288	LOG llevInfo, "[ABT] $_\n" for @bt;
		4289	--$_log_backtrace;
		4290	};
		4291	} else {
		4292	LOG llevInfo, "[ABT] $msg\n";
		4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2534	},	4294	}
2535	);	4295	}
		4296
		4297	# load additional modules
		4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
2536		4300
2537	END { cf::emergency_save }	4301	END { cf::emergency_save }
2538		4302
2539	1	4303	1
2540		4304

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