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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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 3.5 ();	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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
54	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
55	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;
56	our $NOW;	139	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		140
59	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		144
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
79	binmode STDOUT;	161	binmode STDOUT;
80	binmode STDERR;	162	binmode STDERR;
81		163
82	# read virtual server time, if available	164	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
87	}	169	}
88		170
89	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	172
91	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		175
96	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
97		177
98	sub cf::map::normalise;	178	sub cf::map::normalise;
99		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
100	#############################################################################	184	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
103		198
104	=over 4	199	=over 4
105		200
106	=item $cf::UPTIME	201	=item $cf::UPTIME
107		202
108	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.
109		219
110	=item $cf::RUNTIME	220	=item $cf::RUNTIME
111		221
112	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
113	every server tick.	223	every server tick.
114		224
115	=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
116		228
117	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	240	=item $cf::LOAD
121		241
122	The time of the last (current) server tick.	242	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		243
128	=item %cf::CFG	244	=item %cf::CFG
129		245
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	247	from wherever your confdir points to.
132		248
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		250
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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.
139		283
140	=back	284	=back
141		285
142	=cut	286	=cut
143		287
144	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	295	my $msg = join "", @_;
147	utf8::encode $msg;
148		296
149	$msg .= "\n"	297	$msg .= "\n"
150	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
151		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
152	LOG llevError, $msg;	302	LOG llevWarn, $msg;
153	};	303	};
154	}	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	};
155		318
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		326
163	# 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
164	# within the Safe compartment.	328	# within the Safe compartment.
165	for my $pkg (qw(	329	for my $pkg (qw(
166	cf::global cf::attachable	330	cf::global cf::attachable
167	cf::object cf::object::player	331	cf::object cf::object::player
168	cf::client cf::player	332	cf::client cf::player
169	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
170	cf::map cf::party cf::region	335	cf::party cf::region
171	)) {	336	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	338	}
175		339
176	$Event::DIED = sub {	340	$EV::DIED = sub {
177	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
178	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
179		350
180	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
181		352
182	=over 4	353	=over 4
183		354
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	374	$d
204	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
205	}	376	}
206		377
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
208		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
209	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
210		431
211	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
212		433
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
221		435
222	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
223		437
224	=cut	438	=cut
225		439
226	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
228	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	}
229	}	505	}
230		506
231	=item cf::lock_wait $string	507	=item cf::lock_wait $string
232		508
233	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
234		510
235	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
236		512
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
240	returned.	516	returned.
241		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
242	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
243	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
244		523
245	=cut	524	=item $locked = cf::lock_active $string
246		525
247	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
248		531
249	sub lock_wait($) {	532	sub lock_wait($) {
250	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	534	}
258		535
259	sub lock_acquire($) {	536	sub lock_acquire($) {
260	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
261		539
262	# wait, to be sure we are not locked	540	sub lock_active($) {
263	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	542	}
272		543
273	sub freeze_mainloop {	544	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
275		546
276	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	548	}
278	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
279	};	617	}
280	$WRITE_RUNTIME_WATCHER->stop;	618	};
281	$TICK_WATCHER->stop;	619
282	$guard	620	sub get_slot($;$$) {
		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	$sig->wait;
283	}	633	}
284		634
285	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
286		636
287	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		642
293	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
294		644
295	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
296		646
297	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
300		651
301	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
304	fast or be very important.	655	fast or be very important.
…		…
306	=cut	657	=cut
307		658
308	sub sync_job(&) {	659	sub sync_job(&) {
309	my ($job) = @_;	660	my ($job) = @_;
310		661
311	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
312	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
314		667
315	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	669
317	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
318		671
319	my $busy = 1;	672	my $busy = 1;
320	my @res;	673	my @res;
321		674
322	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	677	@res = eval { $job->() };
324	warn $@ if $@;	678	error $@ if $@;
325	undef $busy;	679	undef $busy;
326	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
327		681
328	while ($busy) {	682	while ($busy) {
329	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
330	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
331		693
332	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
333	} else {	695	} else {
334	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
335		697
…		…
355	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
356		718
357	$coro	719	$coro
358	}	720	}
359		721
360	sub write_runtime {	722	=item fork_call { }, @args
361	my $runtime = cf::localdir . "/runtime";
362		723
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
364	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.
365		728
366	my $value = $cf::RUNTIME + 90 + 10;	729	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		730
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	731	sub post_fork {
371	and return;	732	reset_signals;
		733	}
372		734
373	# always fsync - this file is important	735	sub fork_call(&@) {
374	aio_fsync $fh	736	my ($cb, @args) = @_;
375	and return;
376		737
377	close $fh	738	# we seemingly have to make a local copy of the whole thing,
378	or return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
379		741
380	aio_rename "$runtime~", $runtime	742	my @res = Coro::Util::fork_eval {
381	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
382		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
383	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 });
384	}	925	}
385		926
386	=back	927	=back
387		928
388	=cut	929	=cut
389		930
390	#############################################################################	931	#############################################################################
391		932
392	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
393		934
394	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
395	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")
396	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
397		938
398	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>
399	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
400	crossfire+).	941	Deliantra).
401		942
402	=over 4	943	=over 4
403		944
404	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
405		946
…		…
449	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
450		991
451	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
453		994
454	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		997
457	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
458		999
459	=over 4	1000	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
569		1110
570	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1115
575	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
577		1118
578	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
583		1124
584	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1127
587	} elsif (ref $type) {	1128	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
589		1130
590	} else {	1131	} else {
591	shift @arg;	1132	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
593	}	1134	}
594	}	1135	}
595	}	1136	}
596		1137
597	sub _object_attach {	1138	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
608	}	1149	}
609		1150
610	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
611	} else {	1152	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1154	}
614		1155
615	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
616	}	1157	}
617		1158
…		…
619	if (ref $_[0]) {	1160	if (ref $_[0]) {
620	_object_attach @_;	1161	_object_attach @_;
621	} else {	1162	} else {
622	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
623	}	1164	}
		1165	_recalc_want;
624	};	1166	};
625		1167
626	# all those should be optimised	1168	# all those should be optimised
627	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1174	reattach ($obj);
633	} else {	1175	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
635	}	1177	}
		1178	_recalc_want;
636	};	1179	};
637		1180
638	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
640		1183
…		…
655	";	1198	";
656	die if $@;	1199	die if $@;
657	}	1200	}
658		1201
659	our $override;	1202	our $override;
660	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?
661		1204
662	sub override {	1205	sub override {
663	$override = 1;	1206	$override = 1;
664	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
665	}	1208	}
666		1209
667	sub do_invoke {	1210	sub do_invoke {
668	my $event = shift;	1211	my $event = shift;
669	my $callbacks = shift;	1212	my $callbacks = shift;
670		1213
671	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
672		1215
673	local $override;	1216	local $override;
674		1217
675	for (@$callbacks) {	1218	for (@$callbacks) {
676	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
677		1220
678	if ($@) {	1221	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1223	override;
682	}	1224	}
683		1225
684	return 1 if $override;	1226	return 1 if $override;
685	}	1227	}
686		1228
687	0	1229	0
688	}	1230	}
689		1231
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1233
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1235
694	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
695		1237
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1241
700	=back	1242	=back
701		1243
702	=cut	1244	=cut
703		1245
704	#############################################################################	1246	#############################################################################
705	# 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, $ob2
		1289	}
706		1290
707	sub reattach {	1291	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1293	my ($obj) = @_;
710		1294
		1295	# no longer needed after getting rid of delete_package?
711	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
712		1297
713	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
714		1299
715	@$registry = ();	1300	@$registry = ();
716		1301
…		…
721	for (@$attach) {	1306	for (@$attach) {
722	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
724	}	1309	}
725	} else {	1310	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1312	}
728	}	1313	}
729	}	1314	}
730		1315
731	cf::attachable->attach (	1316	cf::attachable->attach (
732	prio => -1000000,	1317	prio => -1000000,
733	on_instantiate => sub {	1318	on_instantiate => sub {
734	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
735		1320
736	$data = from_json $data;	1321	$data = decode_json $data;
737		1322
738	for (@$data) {	1323	for (@$data) {
739	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
740		1325
741	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1342	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
759		1344
760	sync_job {	1345	sync_job {
761	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
764		1351
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
769	close $fh;	1359	aio_close $fh;
770		1360
771	if (@$objs) {	1361	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
777	close $fh;	1370	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
779	}	1372	}
780	} else {	1373	} else {
781	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
782	}	1375	}
783		1376
784	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1381	} else {
786	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
787	}	1383	}
788	} else {	1384	} else {
789	aio_unlink $filename;	1385	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
791	}	1387	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1388	};
799	}	1389	}
800		1390
801	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
803		1393
…		…
808		1398
809	sub object_thawer_load {	1399	sub object_thawer_load {
810	my ($filename) = @_;	1400	my ($filename) = @_;
811		1401
812	my ($data, $av);	1402	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1403
817	(aio_load $filename, $data) >= 0	1404	(aio_load $filename, $data) >= 0
818	or return;	1405	or return;
819		1406
820	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
822	or return;	1409	or return;
		1410
823	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
824	}	1413	}
825		1414
		1415	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
828	return ($data, $av);	1420	($data, $av)
829	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
830		1428
831	#############################################################################	1429	#############################################################################
832	# command handling &c	1430	# command handling &c
833		1431
834	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1446	}
849		1447
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1449
852	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.
853		1455
854	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
855	called.	1457	called.
856		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
857	=cut	1470	=cut
858		1471
859	sub register_extcmd {	1472	sub register_extcmd {
860	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
861		1474
862	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
863	}	1476	}
864		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
865	cf::player->attach (	1486	cf::player->attach (
866	on_command => sub {	1487	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
868		1489
869	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
870	or return;	1491	or return;
871		1492
…		…
876	cf::override;	1497	cf::override;
877	},	1498	},
878	on_extcmd => sub {	1499	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
880		1501
881	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1503
883	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
889	} else {	1516	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1518	}
892		1519
893	cf::override;	1520	cf::override;
894	},	1521	},
895	);	1522	);
896		1523
		1524	# "readahead" all extensions
897	sub load_extension {	1525	sub cache_extensions {
898	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
899		1527
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1531	}
925	die $@;
926	}	1532	};
927		1533
928	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;
929	}	1546	}
930		1547
931	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
932	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1557	next unless -r $path;
934	eval {	1558
935	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 $active;
		1630	}
936	1	1631	}
937	} or warn "$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	}
938	}	1644	};
939	}	1645	}
940		1646
941	#############################################################################	1647	#############################################################################
942		1648
		1649	=back
		1650
943	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
944		1652
945	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
946		1654
947	=cut	1655	=cut
948		1656
949	package cf::player;	1657	package cf::player;
950		1658
…		…
952		1660
953	=head3 cf::player	1661	=head3 cf::player
954		1662
955	=over 4	1663	=over 4
956		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
957	=item cf::player::find $login	1679	=item cf::player::find $login
958		1680
959	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
960		1682
961	=cut	1683	=cut
962		1684
963	sub playerdir($) {	1685	sub playerdir($) {
964	cf::localdir	1686	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1688	}
970		1689
971	sub path($) {	1690	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1692
974	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
975	}	1694	}
976		1695
977	sub find_active($) {	1696	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
982		1701
983	sub exists($) {	1702	sub exists($) {
984	my ($login) = @_;	1703	my ($login) = @_;
985		1704
986	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
988	}	1707	}
989		1708
990	sub find($) {	1709	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1711	my $login = $_[0];
993		1712
994	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
995		1714
996	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1000	}	1732	}
1001	}	1733	}
1002	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1003		1748
1004	sub save($) {	1749	sub save($) {
1005	my ($pl) = @_;	1750	my ($pl) = @_;
1006		1751
1007	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1013		1758
1014	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1016		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
1017	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1018	Coro::cede;	1768	cf::cede_to_tick;
1019	}	1769	}
1020		1770
1021	sub new($) {	1771	sub new($) {
1022	my ($login) = @_;	1772	my ($login) = @_;
1023		1773
…		…
1029	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1030		1780
1031	$self	1781	$self
1032	}	1782	}
1033		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
1034	=item $pl->quit_character	1794	=item $pl->quit_character
1035		1795
1036	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1038		1798
1039	=cut	1799	=cut
1040		1800
1041	sub quit_character {	1801	sub quit_character {
1042	my ($pl) = @_;	1802	my ($pl) = @_;
1043		1803
		1804	my $name = $pl->ob->name;
		1805
1044	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1045	$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
1046		1808
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1050	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1051		1817
1052	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1844	}
1059		1845
1060	=item cf::player::list_logins	1846	=item cf::player::list_logins
1061		1847
1062	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
1063	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1064		1850
1065	=cut	1851	=cut
1066		1852
1067	sub list_logins {	1853	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1855	or return [];
1070		1856
1071	my @logins;	1857	my @logins;
1072		1858
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1077		1869
1078	utf8::decode $login;	1870	utf8::decode $login;
1079	push @logins, $login;	1871	push @logins, $login;
1080	}	1872	}
1081		1873
1082	\@logins	1874	\@logins
1083	}	1875	}
1084		1876
1085	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1086		1880
1087	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1088	player. May block.	1882	player. May block.
1089		1883
1090	=cut	1884	=cut
…		…
1108	}	1902	}
1109		1903
1110	\@paths	1904	\@paths
1111	}	1905	}
1112		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1114		1912
1115	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1116		1914
1117	=cut	1915	=cut
1118		1916
1119	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1121		1919
1122	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1921	}
1126		1922
1127	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	}
1128		1965
1129	=back	1966	=back
1130
1131		1967
1132	=head3 cf::map	1968	=head3 cf::map
1133		1969
1134	=over 4	1970	=over 4
1135		1971
…		…
1147	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1149		1985
1150	sub generate_random_map {	1986	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1152	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1153	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164	(cf::region::find $rmp->{region}), $rmp->{custom}
1165	)
1166	}	1992	}
1167		1993
1168	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1169		1995
1170	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
…		…
1175		2001
1176	sub register {	2002	sub register {
1177	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	2004	my $pkg = caller;
1179		2005
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		2007
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	2009	}
1185		2010
1186	# also paths starting with '/'	2011	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		2013
1189	sub thawer_merge {	2014	sub thawer_merge {
1190	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1191		2016
1192	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1193	local $self->{path};	2018	local $self->{path};
1194	local $self->{load_path};	2019	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		2020
1198	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1199	}	2022	}
1200		2023
1201	sub normalise {	2024	sub normalise {
1202	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1203		2026
1204	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1205		2028
1206	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1207		2030
1208	# map plan:	2031	# map plan:
1209	#	2032	#
…		…
1224	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	2048	$path = "$base/$path";
1226	}	2049	}
1227		2050
1228	for ($path) {	2051	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1232	}	2054	}
1233		2055
1234	$path	2056	$path
…		…
1248	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1249	return $self;	2071	return $self;
1250	}	2072	}
1251	}	2073	}
1252		2074
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	2076	()
1255	}	2077	}
1256		2078
		2079	# may re-bless or do other evil things
1257	sub init {	2080	sub init {
1258	my ($self) = @_;	2081	my ($self) = @_;
1259		2082
1260	$self	2083	$self
1261	}	2084	}
…		…
1273		2096
1274	# the original (read-only) location	2097	# the original (read-only) location
1275	sub load_path {	2098	sub load_path {
1276	my ($self) = @_;	2099	my ($self) = @_;
1277		2100
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1279	}	2102	}
1280		2103
1281	# the temporary/swap location	2104	# the temporary/swap location
1282	sub save_path {	2105	sub save_path {
1283	my ($self) = @_;	2106	my ($self) = @_;
1284		2107
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1287	}	2110	}
1288		2111
1289	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1290	sub uniq_path {	2113	sub uniq_path {
1291	my ($self) = @_;	2114	my ($self) = @_;
1292		2115
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1295	}	2118	}
1296		2119
1297	# and all this just because we cannot iterate over	2120	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2121	my ($self) = @_;
1301		2122
1302	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1304	}	2126	}
1305		2127
1306	sub unlink_save {	2128	sub unlink_save {
1307	my ($self) = @_;	2129	my ($self) = @_;
1308		2130
1309	utf8::encode (my $save = $self->save_path);	2131	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2132	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2133	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	2134	}
1318		2135
1319	sub load_header_from($) {	2136	sub load_header_from($) {
1320	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1321		2138
1322	utf8::encode $path;	2139	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2141	or return;
1328		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1329	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1330		2150
1331	1	2151	1
1332	}	2152	}
1333		2153
		2154	# used to laod the header of an original map
1334	sub load_header_orig {	2155	sub load_header_orig {
1335	my ($self) = @_;	2156	my ($self) = @_;
1336		2157
1337	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1338	}	2159	}
1339		2160
		2161	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2162	sub load_header_temp {
1341	my ($self) = @_;	2163	my ($self) = @_;
1342		2164
1343	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1344	}	2166	}
1345		2167
		2168	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2169	sub prepare_temp {
1347	my ($self) = @_;	2170	my ($self) = @_;
1348		2171
1349	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1351	# safety	2174	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2177	}
1355		2178
		2179	# called after loading the header from an original map
1356	sub prepare_orig {	2180	sub prepare_orig {
1357	my ($self) = @_;	2181	my ($self) = @_;
1358		2182
1359	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2195	$self->load_header_orig
1372	or return;	2196	or return;
1373	$self->prepare_orig;	2197	$self->prepare_orig;
1374	}	2198	}
1375		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
		2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
1376	1	2206	1
1377	}	2207	}
1378		2208
1379	sub find;	2209	sub find;
1380	sub find {	2210	sub find {
1381	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1382		2212
		2213	cf::cede_to_tick;
		2214
1383	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1384		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2219
1387	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1390	or return;	2222	or return;
1391		2223
1392	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1393		2225
1394	$map->load_header	2226	$map->load_header
1395	or return;	2227	or return;
1396		2228
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1400	$map->reset;	2234	$map->reset;
1401	undef $guard;
1402	return find $path;	2235	return find $path;
1403	}	2236	}
1404		2237
1405	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1406	}	2239	}
1407	}	2240	}
1408		2241
1409	sub pre_load { }	2242	sub pre_load { }
1410	sub post_load { }	2243	#sub post_load { } # XS
1411		2244
1412	sub load {	2245	sub load {
1413	my ($self) = @_;	2246	my ($self) = @_;
1414		2247
1415	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1416		2249
1417	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1419		2254
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1421		2257
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2258	$self->alloc;
1425		2259
1426	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1427		2262
1428	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1429	or return;	2267	or return;
1430		2268
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1432	if delete $self->{load_original};	2270	if delete $self->{load_original};
1433		2271
1434	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2273	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2276	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1439	}	2281	}
1440	}
1441		2282
1442	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1443		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1444	# now do the right thing for maps	2292	# now do the right thing for maps
1445	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2295	unless $self->difficulty;
1455	Coro::cede;	2296	cf::cede_to_tick;
1456	$self->activate;	2297
		2298	unless ($self->{deny_activate}) {
		2299	$self->decay_objects;
		2300	$self->fix_auto_apply;
		2301	$self->update_buttons;
		2302	cf::cede_to_tick;
		2303	#$self->activate; # no longer activate maps automatically
		2304	}
		2305
		2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1457	}	2308	}
1458		2309
1459	$self->post_load;	2310	$self->post_load;
1460		2311
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1462	}	2313	}
1463		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2318	sub customise_for {
1465	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1466		2320
1467	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2322	if $self->per_player;
1469		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1470	$self	2327	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($map) = @_;
1476
1477	my @diag; # diagonal neighbours
1478
1479	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)
1481	or next;
1482	$neigh = find $neigh, $map
1483	or next;
1484	$neigh->load;
1485
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}
1489
1490	for (@diag) {
1491	my $neigh = find @$_
1492	or next;
1493	$neigh->load;
1494	}
1495	}	2328	}
1496		2329
1497	sub find_sync {	2330	sub find_sync {
1498	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1499		2332
1500	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1501	}	2338	}
1502		2339
1503	sub do_load_sync {	2340	sub do_load_sync {
1504	my ($map) = @_;	2341	my ($map) = @_;
1505		2342
1506	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1507	}	2348	}
1508		2349
1509	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1511		2352
1512	sub find_async {	2353	sub find_async {
1513	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1514		2355
1515	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1516		2357
1517	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1519	}	2360	}
1520		2361
1521	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1522	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1523	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2369	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2370	$map->load if $v;
		2371	}
1528		2372
1529	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1530	}	2374	}
1531	}	2375	}
1532	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1533	};	2377	};
1534	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1535		2379
1536	()	2380	()
1537	}	2381	}
1538		2382
		2383	# common code, used by both ->save and ->swapout
1539	sub save {	2384	sub _save {
1540	my ($self) = @_;	2385	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2386
1544	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1545		2388
1546	return unless $self->dirty;	2389	return unless $self->dirty;
1547		2390
…		…
1553	return if $self->{deny_save};	2396	return if $self->{deny_save};
1554		2397
1555	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1556		2399
1557	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1559	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1560		2406
1561	if ($uniq) {	2407	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2410	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2412	}
1567	}	2413	}
1568		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1569	sub swap_out {	2423	sub swap_out {
1570	my ($self) = @_;	2424	my ($self) = @_;
1571		2425
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1577	return if $self->players;	2430	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1581	$self->clear;	2441	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2442	}
1584		2443
1585	sub reset_at {	2444	sub reset_at {
1586	my ($self) = @_;	2445	my ($self) = @_;
1587		2446
1588	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1591		2449
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2452
…		…
1605	my ($self) = @_;	2463	my ($self) = @_;
1606		2464
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2466
1609	return if $self->players;	2467	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2468
1612	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
		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	}
1613		2480
1614	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1615		2482
1616	$self->in_memory (cf::MAP_SWAPPED);	2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2485	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2486
1621	$self->unlink_save;	2487	$self->unlink_save;
1622	$self->destroy;	2488	$self->destroy;
1623	}	2489	}
1624		2490
1625	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1626		2492
1627	sub nuke {	2493	sub nuke {
1628	my ($self) = @_;	2494	my ($self) = @_;
1629		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1630	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1631		2500
1632	$self->unlink_save;	2501	$self->unlink_save;
1633		2502
1634	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1635	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2508
1640	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1641		2511
1642	$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	]
1643	}	2549	}
1644		2550
1645	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1646		2552
1647	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2554	instantiated unique items. May block.
1649		2555
1650	=cut	2556	=cut
1651		2557
1652	sub unique_maps() {	2558	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1654	or return;	2560	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2561	utf8::decode $_;
1660	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2564	? ()
1663	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2567	]
1665
1666	\@paths
1667	}	2568	}
1668		2569
1669	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1670		2601
1671	=back	2602	=back
1672		2603
1673	=head3 cf::object	2604	=head3 cf::object
1674		2605
…		…
1678		2609
1679	=over 4	2610	=over 4
1680		2611
1681	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1682		2613
1683	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.
1684		2616
1685	=cut	2617	=cut
1686		2618
1687	sub inv_recursive_;	2619	sub inv_recursive_;
1688	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1691		2623
1692	sub inv_recursive {	2624	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1694	}	2626	}
1695		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
1696	package cf;	2656	package cf;
1697		2657
1698	=back	2658	=back
1699		2659
1700	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1706	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>
1707	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
1708	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1709		2669
1710	=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	};
1711		2685
1712	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2687	# with dialog boxes.
1714	#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
1715	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1717		2691
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2693
1720	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1722	} 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 {
1723	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1725	}	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 (@_);
1726	}	2719	}
1727		2720
1728	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1729		2722
1730	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1743		2736
1744	=item $player_object->enter_link	2737	=item $player_object->enter_link
1745		2738
1746	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}>).
1747		2740
1748	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.
1749	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.
1750		2745
1751	Will never block.	2746	Will never block.
1752		2747
1753	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1754		2749
…		…
1774	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1775	my ($self) = @_;	2770	my ($self) = @_;
1776		2771
1777	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1778		2773
		2774	++$self->{_link_recursion};
		2775
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2777
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1783		2780
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1785	}	2782	}
1786		2783
1787	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1789		2788
1790	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1791		2790
1792	unless ($map) {	2791	unless ($map) {
1793	# restore original map position	2792	# restore original map position
…		…
1804	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1805	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1806		2805
1807	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1810		2809
1811	$map->load;	2810	$map->load;
1812	$map->load_diag;
1813		2811
1814	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
1815	$self->activate_recursive;	2819	$self->activate_recursive;
1816	$self->enter_map ($map, $x, $y);
1817	}
1818
1819	cf::player->attach (
1820	on_logout => sub {
1821	my ($pl) = @_;
1822
1823	# abort map switching before logout
1824	if ($pl->ob->{_link_pos}) {
1825	cf::sync_job {
1826	$pl->ob->leave_link
1827	};
1828	}
1829	},	2820	}
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2821
1833	# try to abort aborted map switching on player login :)	2822	}
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2823
1851	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1852		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
1853	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1854		2838
1855	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1856	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;
1857		2850
1858	$self->enter_link;	2851	$self->enter_link;
1859		2852
1860	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
1861	my $map = eval {	2875	my $map = eval {
1862	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
		2881	} else {
		2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
		2884
1864	$map	2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2891	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1869	})->prio (1);	2899	})->prio (1);
1870	}	2900	}
1871		2901
1872	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1873		2903
…		…
1893	}	2923	}
1894		2924
1895	sub prepare_random_map {	2925	sub prepare_random_map {
1896	my ($exit) = @_;	2926	my ($exit) = @_;
1897		2927
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2930	# that depends on the exit object
1903		2931
1904	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2934	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1911	}	2941	}
1912		2942
1913	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1914		2944
1915	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1918		2948
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2951	undef $fh;
1922	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1923		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1926	}	2960	}
1927	}	2961	}
1928		2962
1929	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1931		2965
1932	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1933		2967
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2968	$self->enter_link;
1944		2969
1945	(async {	2970	(async {
1946	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1947	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
1948	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1949		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
1950	1;	3009	1
1951	}) {	3010	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1956		3015
1957	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1958	$self->leave_link;	3017	$self->leave_link;
1959	}	3018	}
1960	})->prio (1);	3019	})->prio (1);
1961	}	3020	}
1962		3021
…		…
1973		3032
1974	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1976		3035
1977	utf8::encode $text;	3036	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	3038	}
1980		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	}
1981		3257
1982	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1983		3259
1984	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1985	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>,
1986	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>.
1987		3263
1988	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
1989	reliable at some point in the future.	3265	become reliable at some point in the future.
1990		3266
1991	=cut	3267	=cut
1992		3268
1993	sub cf::client::query {	3269	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	3278	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		3280
2005	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2007	}	3285	}
2008		3286
2009	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	},
2010	on_reply => sub {	3293	on_reply => sub {
2011	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2012		3295
2013	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2014	# get handled first	3297	# get handled first
…		…
2026	} else {	3309	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	3311	}
2029	}	3312	}
2030	},	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	},
2031	);	3337	);
2032		3338
2033	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2034		3340
2035	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2051		3357
2052	$coro	3358	$coro
2053	}	3359	}
2054		3360
2055	cf::client->attach (	3361	cf::client->attach (
2056	on_destroy => sub {	3362	on_client_destroy => sub {
2057	my ($ns) = @_;	3363	my ($ns) = @_;
2058		3364
2059	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2060	},	3366	},
2061	);	3367	);
…		…
2076	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2078		3384
2079	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2080		3386
2081	$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	));
2082		3392
2083	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2084		3394
2085	=pod	3395	=pod
2086		3396
2087	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2088		3398
2089	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
2090	cf::object::player player	3404	cf::object::player
2091	cf::player peaceful	3405	player
2092	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2093		3412
2094	=cut	3413	=cut
2095		3414
2096	for (	3415	for (
2097	["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)],
2098	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2100	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2101	) {	3422	) {
2102	no strict 'refs';
2103	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2105	for @funs;	3425	for @funs;
2106	}	3426	}
2107		3427
…		…
2122		3442
2123	my $qcode = $code;	3443	my $qcode = $code;
2124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2125	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2126		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2127	local $_;	3450	local $_;
2128	local @safe::cf::_safe_eval_args = values %vars;
2129		3451
2130	my $eval =	3452	my $eval =
2131	"do {\n"	3453	"do {\n"
2132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2133	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2134	. $code	3456	. $code
2135	. "\n}"	3457	. "\n}"
2136	;	3458	;
2137		3459
		3460	if ($CFG{safe_eval}) {
2138	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2140	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	}
2141		3469
2142	if ($@) {	3470	if ($@) {
2143	warn "$@";	3471	warn "$@",
2144	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2145	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2146	}	3474	}
2147		3475
2148	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2149	}	3477	}
2150		3478
…		…
2164	=cut	3492	=cut
2165		3493
2166	sub register_script_function {	3494	sub register_script_function {
2167	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2168		3496
2169	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2171	}	3499	}
2172		3500
2173	=back	3501	=back
2174		3502
2175	=cut	3503	=cut
2176
2177	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248		3504
2249	#############################################################################	3505	#############################################################################
2250	# the server's init and main functions	3506	# the server's init and main functions
2251		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
		3510	sub load_facedata($) {
		3511	my ($path) = @_;
		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
		3519	trace "loading facedata from $path\n";
		3520
		3521	my $facedata = decode_storable load_file $path;
		3522
		3523	$facedata->{version} == 2
		3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
		3535	{
		3536	my $faces = $facedata->{faceinfo};
		3537
		3538	while (my ($face, $info) = each %$faces) {
		3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
		3541	cf::face::set_visibility $idx, $info->{visibility};
		3542	cf::face::set_magicmap $idx, $info->{magicmap};
		3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
		3547
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	while (my ($face, $info) = each %$faces) {
		3552	next unless $info->{smooth};
		3553
		3554	my $idx = cf::face::find $face
		3555	or next;
		3556
		3557	if (my $smooth = cf::face::find $info->{smooth}) {
		3558	cf::face::set_smooth $idx, $smooth;
		3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3560	} else {
		3561	error "smooth face '$info->{smooth}' not found for face '$face'";
		3562	}
		3563
		3564	cf::cede_to_tick;
		3565	}
		3566	}
		3567
		3568	{
		3569	my $anims = $facedata->{animinfo};
		3570
		3571	while (my ($anim, $info) = each %$anims) {
		3572	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3573	cf::cede_to_tick;
		3574	}
		3575
		3576	cf::anim::invalidate_all; # d'oh
		3577	}
		3578
		3579	{
		3580	my $res = $facedata->{resource};
		3581
		3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
		3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3586
		3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
		3591	} else {
		3592	# $RESOURCE{$name} = $info; # unused
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3600
		3601	1
		3602	}
		3603
		3604	register_exticmd fx_want => sub {
		3605	my ($ns, $want) = @_;
		3606
		3607	while (my ($k, $v) = each %$want) {
		3608	$ns->fx_want ($k, $v);
		3609	}
		3610	};
		3611
2252	sub load_resources {	3612	sub load_resource_file($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
		3621
		3622	sub reload_regions {
		3623	# HACK to clear player env face cache, we need some signal framework
		3624	# for this (global event?)
		3625	%ext::player_env::MUSIC_FACE_CACHE = ();
		3626
		3627	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3628	or die "unable to load regions file\n";
2255	}
2256		3629
2257	sub cfg_load {	3630	for (cf::region::list) {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3631	$_->{match} = qr/$_->{match}/
2259	or return;	3632	if exists $_->{match};
		3633	}
		3634	}
2260		3635
2261	local $/;	3636	sub reload_facedata {
2262	*CFG = YAML::Syck::Load <$fh>;	3637	load_facedata "$DATADIR/facedata"
		3638	or die "unable to load facedata\n";
		3639	}
2263		3640
		3641	sub reload_archetypes {
		3642	load_resource_file "$DATADIR/archetypes"
		3643	or die "unable to load archetypes\n";
		3644	}
		3645
		3646	sub reload_treasures {
		3647	load_resource_file "$DATADIR/treasures"
		3648	or die "unable to load treasurelists\n";
		3649	}
		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
		3671	sub reload_resources {
		3672	trace "reloading resource files...\n";
		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
		3679	reload_regions;
		3680	reload_treasures;
		3681
		3682	trace "finished reloading resource files\n";
		3683	}
		3684
		3685	sub reload_config {
		3686	trace "reloading config file...\n";
		3687
		3688	my $config = load_file "$CONFDIR/config";
		3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
		3691
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2265		3693
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2268		3696
2269	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2273	};	3701	};
2274	warn $@ if $@;	3702	warn $@ if $@;
2275	}	3703	}
2276	}	3704	}
2277		3705
2278	sub init {	3706	sub pidfile() {
2279	load_resources;	3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
2280	}	3732	}
2281		3733
2282	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
2283	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286	(async {	3747	(async {
2287	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2288	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2289	};	3751	};
2290		3752
2291	cfg_load;	3753	evthread_start IO::AIO::poll_fileno;
2292	db_load;	3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
		3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
2293	load_extensions;	3776	load_extensions;
2294		3777
2295	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2296	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
2297	}	3795	}
2298		3796
2299	#############################################################################	3797	#############################################################################
2300	# initialisation and cleanup	3798	# initialisation and cleanup
2301		3799
2302	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2303	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2304	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2305	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2306	reentrant => 0,
2307	data => WF_AUTOCANCEL,
2308	signal => $signal,
2309	prio => 0,
2310	cb => sub {
2311	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
2312	},
2313	);	3806	};
		3807	}
		3808	}
		3809
		3810	sub write_runtime_sync {
		3811	my $t0 = AE::time;
		3812
		3813	# first touch the runtime file to show we are still running:
		3814	# the fsync below can take a very very long time.
		3815
		3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3817
		3818	my $guard = cf::lock_acquire "write_runtime";
		3819
		3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3821	or return;
		3822
		3823	my $value = $cf::RUNTIME + 90 + 10;
		3824	# 10 is the runtime save interval, for a monotonic clock
		3825	# 60 allows for the watchdog to kill the server.
		3826
		3827	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3828	and return;
		3829
		3830	# always fsync - this file is important
		3831	aio_fsync $fh
		3832	and return;
		3833
		3834	# touch it again to show we are up-to-date
		3835	aio_utime $fh, undef, undef;
		3836
		3837	close $fh
		3838	or return;
		3839
		3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3841	and return;
		3842
		3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3844
2314	}	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
2315	}	3896	}
2316		3897
2317	sub emergency_save() {	3898	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
2319		3900
2320	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
2321		3907
2322	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
2323	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
2324	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
2325	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
2326	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
2327	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
2328	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
2329	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2330	$pl->save;	3919	$pl->save;
2331	}	3920	}
2332	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
2333		3922
2334	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
2335	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
2336	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
2337	$map->valid or next;	3928	$map->valid or next;
2338	$map->save;	3929	$map->save;
2339	}	3930	}
2340	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
2341		3932
2342	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
2343	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
2344	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
2345	};	3961	};
2346		3962
2347	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
2348	}	3964	}
2349		3965
		3966	sub post_cleanup {
		3967	my ($make_core) = @_;
		3968
		3969	IO::AIO::flush;
		3970
		3971	error Carp::longmess "post_cleanup backtrace"
		3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
		4001	}
		4002
2350	sub reload() {	4003	sub do_reload_perl() {
2351	# can/must only be called in main	4004	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
2353	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
2354	return;	4007	return;
2355	}	4008	}
2356		4009
2357	warn "reloading...";	4010	return if $RELOAD++;
2358		4011
2359	warn "cancelling server ticker";	4012	my $t1 = AE::time;
2360	$TICK_WATCHER->cancel;
2361		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
		4020	cf::sync_job {
2362	cf::emergency_save;	4021	#cf::emergency_save;
2363		4022
2364	eval {
2365	# if anything goes wrong in here, we should simply crash as we already saved
2366
2367	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374
2375	warn "flushing outstanding aio requests";
2376	for (;;) {
2377	BDB::flush;
2378	IO::AIO::flush;
2379	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";
2382	}
2383
2384	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	4025	%EXT_CORO = ();
2387		4026
2388	warn "removing commands";	4027	trace "perl_reload: removing commands";
2389	%COMMAND = ();	4028	%COMMAND = ();
2390		4029
2391	warn "removing ext commands";	4030	trace "perl_reload: removing ext/exti commands";
2392	%EXTCMD = ();	4031	%EXTCMD = ();
		4032	%EXTICMD = ();
2393		4033
2394	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
2397		4037
2398	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
2399	eval {	4039	eval {
2400	$cb->($pkg);	4040	$cb->($pkg);
2401	1	4041	1
2402	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
2403	}	4047	}
2404		4048
2405	warn "... nuking $pkg";
2406	Symbol::delete_package $pkg;
2407	}
2408
2409	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2410	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2412		4052
2413	warn "... unloading $k";	4053	trace "... unloading $k";
2414	delete $INC{$k};	4054	delete $INC{$k};
2415		4055
2416	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
2417	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
2418		4058
2419	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
2420	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
2421	}	4064	}
2422		4065
2423	Symbol::delete_package $k;
2424	}
2425
2426	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
2427	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		4069
2430	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
		4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2432		4073
2433	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
2434	# and global variables created in xs	4075	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
2436		4077
2437	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
2438		4079
2439	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
2440	require cf;	4081	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
2442		4083
2443	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
2444	cf::cfg_load;	4085	cf::reload_config;
2445	cf::db_load;
2446		4086
2447	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
2448	cf::load_extensions;	4088	cf::load_extensions;
2449		4089
		4090	if ($REATTACH_ON_RELOAD) {
2450	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
2451	_global_reattach;	4092	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
2453	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
		4095	trace "perl_reload: reattaching attachments to players";
		4096	reattach $_ for values %PLAYER;
		4097	}
2454		4098
2455	warn "loading reloadable resources";	4099	cf::_post_init 1;
2456	load_resources;
2457		4100
2458	warn "restarting server ticker";	4101	trace "perl_reload: leaving sync_job";
2459		4102
2460	$TICK_WATCHER->start;	4103	1
		4104	} or do {
		4105	error $@;
		4106	cf::cleanup "perl_reload: error, exiting.";
		4107	};
		4108
		4109	--$RELOAD;
		4110	}
		4111
		4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
		4114	};
		4115
		4116	our $RELOAD_WATCHER; # used only during reload
		4117
		4118	sub reload_perl() {
		4119	# doing reload synchronously and two reloads happen back-to-back,
		4120	# coro crashes during coro_state_free->destroy here.
		4121
		4122	$RELOAD_WATCHER ||= cf::async {
		4123	Coro::AIO::aio_wait cache_extensions;
		4124
		4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4126	do_reload_perl;
		4127	undef $RELOAD_WATCHER;
		4128	};
2461	};	4129	};
2462		4130	}
2463	if ($@) {
2464	warn $@;
2465	warn "error while reloading, exiting.";
2466	exit 1;
2467	}
2468
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4131
2474	register_command "reload" => sub {	4132	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
2476		4134
2477	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
2479		4137	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4138	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4139	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4140	};
2492	}	4141	}
2493	};	4142	};
2494		4143
2495	unshift @INC, $LIBDIR;	4144	#############################################################################
2496		4145
2497	my $bug_warning = 0;	4146	my $bug_warning = 0;
2498		4147
2499	$TICK_WATCHER = Event->timer (	4148	sub wait_for_tick() {
2500	reentrant => 0,	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2501	parked => 1,	4150
2502	prio => 0,	4151	$WAIT_FOR_TICK->wait;
2503	at => $NEXT_TICK || $TICK,	4152	}
2504	data => WF_AUTOCANCEL,	4153
2505	cb => sub {	4154	sub wait_for_tick_begin() {
		4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4156
		4157	my $signal = new Coro::Signal;
		4158	push @WAIT_FOR_TICK_BEGIN, $signal;
		4159	$signal->wait;
		4160	}
		4161
		4162	sub tick {
2506	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
2509	return;	4166	return;
		4167	}
		4168
		4169	cf::one_tick; # one server iteration
		4170
		4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4172
		4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4175	Coro::async_pool {
		4176	$Coro::current->{desc} = "runtime saver";
		4177	write_runtime_sync
		4178	or error "ERROR: unable to write runtime file: $!";
2510	}	4179	};
		4180	}
2511		4181
2512	$NOW = Event::time;	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2513		4183	$sig->send;
2514	cf::server_tick; # one server iteration	4184	}
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517
2518	$WAIT_FOR_TICK->broadcast;	4185	$WAIT_FOR_TICK->broadcast;
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2520		4186
2521	Event::sweep;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
2522	Coro::cede_notself;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4189
		4190	if (0) {
		4191	if ($NEXT_TICK) {
		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
2523		4195	}
2524	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#
2526
2527	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2529
2530	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;
2532	},	4196	}
2533	);	4197	}
2534		4198
2535	{	4199	{
2536	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
2537	$BDB_POLL_WATCHER = Event->io (	4201
2538	reentrant => 0,
2539	fd => BDB::poll_fileno,
2540	poll => 'r',
2541	prio => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,
2544	);
2545	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
2546		4203	BDB::max_poll_reqs $TICK * 0.1;
2547	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
2548	my $status;
2549	my $current = $Coro::current;
2550	(
2551	sub {
2552	$status = $!;
2553	$current->ready; undef $current;
2554	},
2555	sub {
2556	Coro::schedule while defined $current;
2557	$! = $status;
2558	},
2559	)
2560	};
2561		4205
2562	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
2563	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564		4213
2565	cf::sync_job {	4214	cf::sync_job {
2566	eval {	4215	eval {
2567	BDB::db_env_open	4216	BDB::db_env_open
2568	$DB_ENV,	4217	$DB_ENV,
2569	$BDB_ENV_DIR,	4218	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	4221	0666;
2573		4222
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;
2578	};	4224	};
2579		4225
2580	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	4227	};
2582	}	4228	}
		4229
		4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4232	};
		4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4235	};
		4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4238	};
2583	}	4239	}
2584		4240
2585	{	4241	{
		4242	# configure IO::AIO
		4243
2586	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
2587
2588	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
2591	reentrant => 0,
2592	fd => IO::AIO::poll_fileno,
2593	poll => 'r',
2594	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,
2597	);
2598	}	4247	}
2599		4248
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	4249	our $_log_backtrace;
2601	reentrant => 0,	4250	our $_log_backtrace_last;
2602	data => WF_AUTOCANCEL,	4251
2603	after => 1,	4252	sub _log_backtrace {
2604	interval => 10,	4253	my ($msg, @addr) = @_;
2605	prio => 6, # keep it lowest so it acts like a watchdog	4254
2606	cb => Coro::unblock_sub {	4255	$msg =~ s/\n$//;
2607	write_runtime	4256
2608	or warn "ERROR: unable to write runtime file: $!";	4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4260	# limit the # of concurrent backtraces
		4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
		4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
		4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
		4268	my @bt = fork_call {
		4269	@addr = map { sprintf "%x", $_ } @addr;
		4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4272	or die "addr2line: $!";
		4273
		4274	my @funcs;
		4275	my @res = <$fh>;
		4276	chomp for @res;
		4277	while (@res) {
		4278	my ($func, $line) = splice @res, 0, 2, ();
		4279	push @funcs, "[$func] $line";
		4280	}
		4281
		4282	@funcs
		4283	};
		4284
		4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4287	LOG llevInfo, "[ABT] $_\n" for @bt;
		4288	--$_log_backtrace;
		4289	};
		4290	} else {
		4291	LOG llevInfo, "[ABT] $msg\n";
		4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2609	},	4293	}
2610	);	4294	}
		4295
		4296	# load additional modules
		4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
2611		4299
2612	END { cf::emergency_save }	4300	END { cf::emergency_save }
2613		4301
2614	1	4302	1
2615		4303

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