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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		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	warn "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";
1613		2470
1614	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1615		2472
1616	# need to save uniques path	2473	# need to save uniques path
1617	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2476
…		…
1621	if $uniq;	2478	if $uniq;
1622	}	2479	}
1623		2480
1624	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1625		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2485	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2486
1630	$self->unlink_save;	2487	$self->unlink_save;
1631	$self->destroy;	2488	$self->destroy;
1632	}	2489	}
1633		2490
1634	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1635		2492
1636	sub nuke {	2493	sub nuke {
1637	my ($self) = @_;	2494	my ($self) = @_;
1638		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1639	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1640		2500
1641	$self->unlink_save;	2501	$self->unlink_save;
1642		2502
1643	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2508
1649	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1650		2511
1651	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1652	}	2549	}
1653		2550
1654	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1655		2552
1656	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2554	instantiated unique items. May block.
1658		2555
1659	=cut	2556	=cut
1660		2557
1661	sub unique_maps() {	2558	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1663	or return;	2560	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2561	utf8::decode $_;
1669	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2564	? ()
1672	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2567	]
1674
1675	\@paths
1676	}	2568	}
1677		2569
1678	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1679		2601
1680	=back	2602	=back
1681		2603
1682	=head3 cf::object	2604	=head3 cf::object
1683		2605
…		…
1687		2609
1688	=over 4	2610	=over 4
1689		2611
1690	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1691		2613
1692	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1693		2616
1694	=cut	2617	=cut
1695		2618
1696	sub inv_recursive_;	2619	sub inv_recursive_;
1697	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1700		2623
1701	sub inv_recursive {	2624	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1703	}	2626	}
1704		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1705	package cf;	2656	package cf;
1706		2657
1707	=back	2658	=back
1708		2659
1709	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1718		2669
1719	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1720		2685
1721	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2687	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1726		2691
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2693
1729	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1731	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1734	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1735	}	2719	}
1736		2720
1737	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1738		2722
1739	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1752		2736
1753	=item $player_object->enter_link	2737	=item $player_object->enter_link
1754		2738
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2740
1757	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1759		2745
1760	Will never block.	2746	Will never block.
1761		2747
1762	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1763		2749
…		…
1783	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2770	my ($self) = @_;
1785		2771
1786	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1787		2773
		2774	++$self->{_link_recursion};
		2775
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2777
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1792		2780
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2782	}
1795		2783
1796	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1798		2788
1799	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1800		2790
1801	unless ($map) {	2791	unless ($map) {
1802	# restore original map position	2792	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1815		2805
1816	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1819		2809
1820	$map->load;	2810	$map->load;
1821	$map->load_diag;
1822		2811
1823	return unless $self->contr->active;	2812	return unless $self->contr->active;
		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
1824	$self->activate_recursive;	2819	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2820	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2821
1842	# try to abort aborted map switching on player login :)	2822	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2823
1860	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		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
1862	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1863		2838
1864	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1865	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;
1866		2850
1867	$self->enter_link;	2851	$self->enter_link;
1868		2852
1869	(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
1870	my $map = eval {	2875	my $map = eval {
1871	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2891	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1878	})->prio (1);	2899	})->prio (1);
1879	}	2900	}
1880		2901
1881	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1882		2903
…		…
1902	}	2923	}
1903		2924
1904	sub prepare_random_map {	2925	sub prepare_random_map {
1905	my ($exit) = @_;	2926	my ($exit) = @_;
1906		2927
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2930	# that depends on the exit object
1912		2931
1913	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2934	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1920	}	2941	}
1921		2942
1922	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1923		2944
1924	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1927		2948
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2951	undef $fh;
1931	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1932		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1935	}	2960	}
1936	}	2961	}
1937		2962
1938	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1940		2965
1941	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1942		2967
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2968	$self->enter_link;
1953		2969
1954	(async {	2970	(async {
1955	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1956	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
1957	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1958		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
1959	1;	3009	1
1960	}) {	3010	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1965		3015
1966	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	3017	$self->leave_link;
1968	}	3018	}
1969	})->prio (1);	3019	})->prio (1);
1970	}	3020	}
1971		3021
…		…
1982		3032
1983	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1985		3035
1986	utf8::encode $text;	3036	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	3038	}
1989		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	}
1990		3257
1991	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1992		3259
1993	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		3263
1997	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
1998	reliable at some point in the future.	3265	become reliable at some point in the future.
1999		3266
2000	=cut	3267	=cut
2001		3268
2002	sub cf::client::query {	3269	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3278	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3280
2014	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2016	}	3285	}
2017		3286
2018	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	},
2019	on_reply => sub {	3293	on_reply => sub {
2020	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2021		3295
2022	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2023	# get handled first	3297	# get handled first
…		…
2035	} else {	3309	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3311	}
2038	}	3312	}
2039	},	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	},
2040	);	3337	);
2041		3338
2042	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2043		3340
2044	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3357
2061	$coro	3358	$coro
2062	}	3359	}
2063		3360
2064	cf::client->attach (	3361	cf::client->attach (
2065	on_destroy => sub {	3362	on_client_destroy => sub {
2066	my ($ns) = @_;	3363	my ($ns) = @_;
2067		3364
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3366	},
2070	);	3367	);
…		…
2085	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2087		3384
2088	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2089		3386
2090	$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	));
2091		3392
2092	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2093		3394
2094	=pod	3395	=pod
2095		3396
2096	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2097		3398
2098	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
2099	cf::object::player player	3404	cf::object::player
2100	cf::player peaceful	3405	player
2101	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2102		3412
2103	=cut	3413	=cut
2104		3414
2105	for (	3415	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2110	) {	3422	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3425	for @funs;
2115	}	3426	}
2116		3427
…		…
2131		3442
2132	my $qcode = $code;	3443	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2135		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2136	local $_;	3450	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3451
2139	my $eval =	3452	my $eval =
2140	"do {\n"	3453	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3456	. $code
2144	. "\n}"	3457	. "\n}"
2145	;	3458	;
2146		3459
		3460	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	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	}
2150		3469
2151	if ($@) {	3470	if ($@) {
2152	warn "$@";	3471	warn "$@",
2153	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2155	}	3474	}
2156		3475
2157	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2158	}	3477	}
2159		3478
…		…
2173	=cut	3492	=cut
2174		3493
2175	sub register_script_function {	3494	sub register_script_function {
2176	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2177		3496
2178	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2180	}	3499	}
2181		3500
2182	=back	3501	=back
2183		3502
2184	=cut	3503	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3504
2258	#############################################################################	3505	#############################################################################
2259	# the server's init and main functions	3506	# the server's init and main functions
2260		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	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
		3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
		3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
		3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
		3548
		3549	cf::cede_to_tick;
		3550	}
		3551
		3552	while (my ($face, $info) = each %$faces) {
		3553	next unless $info->{smooth};
		3554
		3555	my $idx = cf::face::find $face
		3556	or next;
		3557
		3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
		3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3561	} else {
		3562	error "smooth face '$info->{smooth}' not found for face '$face'";
		3563	}
		3564
		3565	cf::cede_to_tick;
		3566	}
		3567	}
		3568
		3569	{
		3570	my $anims = $facedata->{animinfo};
		3571
		3572	while (my ($anim, $info) = each %$anims) {
		3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3574	cf::cede_to_tick;
		3575	}
		3576
		3577	cf::anim::invalidate_all; # d'oh
		3578	}
		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
		3602	1
		3603	}
		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
2261	sub load_resources {	3613	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
		3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
		3628	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3629	or die "unable to load regions file\n";
2264	}
2265		3630
2266	sub cfg_load {	3631	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3632	$_->{match} = qr/$_->{match}/
2268	or return;	3633	if exists $_->{match};
		3634	}
		3635	}
2269		3636
2270	local $/;	3637	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3638	load_facedata "$DATADIR/facedata"
		3639	or die "unable to load facedata\n";
		3640	}
2272		3641
		3642	sub reload_archetypes {
		3643	load_resource_file "$DATADIR/archetypes"
		3644	or die "unable to load archetypes\n";
		3645	}
		3646
		3647	sub reload_treasures {
		3648	load_resource_file "$DATADIR/treasures"
		3649	or die "unable to load treasurelists\n";
		3650	}
		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
		3672	sub reload_resources {
		3673	trace "reloading resource files...\n";
		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
		3680	reload_regions;
		3681	reload_treasures;
		3682
		3683	trace "finished reloading resource files\n";
		3684	}
		3685
		3686	sub reload_config {
		3687	trace "reloading config file...\n";
		3688
		3689	my $config = load_file "$CONFDIR/config";
		3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
		3692
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3694
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3697
2278	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2282	};	3702	};
2283	warn $@ if $@;	3703	warn $@ if $@;
2284	}	3704	}
2285	}	3705	}
2286		3706
2287	sub init {	3707	sub pidfile() {
2288	load_resources;	3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3733	}
2290		3734
2291	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2292	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3748	(async {
2296	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2298	};	3752	};
2299		3753
2300	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2301	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2302	load_extensions;	3777	load_extensions;
2303		3778
2304	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2305	$WRITE_RUNTIME_WATCHER->start;	3780
2306	Event::loop;	3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2307	}	3796	}
2308		3797
2309	#############################################################################	3798	#############################################################################
2310	# initialisation and cleanup	3799	# initialisation and cleanup
2311		3800
2312	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2313	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2322	},
2323	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2324	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2325	}	3897	}
2326		3898
2327	sub emergency_save() {	3899	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2329		3901
2330	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2331		3908
2332	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2333	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2334	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2335	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2337	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3920	$pl->save;
2341	}	3921	}
2342	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2343		3923
2344	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2345	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2346	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2347	$map->valid or next;	3929	$map->valid or next;
2348	$map->save;	3930	$map->save;
2349	}	3931	}
2350	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2351		3933
2352	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2355	};	3962	};
2356		3963
2357	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2358	}	3965	}
2359		3966
2360	sub post_cleanup {	3967	sub post_cleanup {
2361	my ($make_core) = @_;	3968	my ($make_core) = @_;
2362		3969
		3970	IO::AIO::flush;
		3971
2363	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3973	if $make_core;
2365	}
2366		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
		4002	}
		4003
2367	sub reload() {	4004	sub do_reload_perl() {
2368	# can/must only be called in main	4005	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2370	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2371	return;	4008	return;
2372	}	4009	}
2373		4010
2374	warn "reloading...";	4011	return if $RELOAD++;
2375		4012
2376	warn "entering sync_job";	4013	my $t1 = AE::time;
2377		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2378	cf::sync_job {	4021	cf::sync_job {
2379	cf::write_runtime;
2380	cf::emergency_save;	4022	#cf::emergency_save;
2381	cf::write_runtime;
2382		4023
2383	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;
2385
2386	# if anything goes wrong in here, we should simply crash as we already saved
2387
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	4026	%EXT_CORO = ();
2405		4027
2406	warn "removing commands";	4028	trace "perl_reload: removing commands";
2407	%COMMAND = ();	4029	%COMMAND = ();
2408		4030
2409	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2410	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2411		4034
2412	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2415		4038
2416	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2417	eval {	4040	eval {
2418	$cb->($pkg);	4041	$cb->($pkg);
2419	1	4042	1
2420	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2421	}	4048	}
2422		4049
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		4053
2431	warn "... unloading $k";	4054	trace "... unloading $k";
2432	delete $INC{$k};	4055	delete $INC{$k};
2433		4056
2434	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2436		4059
2437	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2439	}	4065	}
2440		4066
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		4070
2448	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
		4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		4074
2451	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2452	# and global variables created in xs	4076	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2454		4078
2455	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2456		4080
2457	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2458	require cf;	4082	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2460		4084
2461	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2462	cf::cfg_load;	4086	cf::reload_config;
2463		4087
2464	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2465	cf::load_extensions;	4089	cf::load_extensions;
2466		4090
		4091	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2468	_global_reattach;	4093	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2470	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
		4096	trace "perl_reload: reattaching attachments to players";
		4097	reattach $_ for values %PLAYER;
		4098	}
2471		4099
2472	warn "loading reloadable resources";	4100	cf::_post_init 1;
2473	load_resources;
2474		4101
2475	warn "leaving sync_job";	4102	trace "perl_reload: leaving sync_job";
2476		4103
2477	1	4104	1
2478	} or do {	4105	} or do {
2479	warn $@;	4106	error $@;
2480	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2481	exit 1;	4108	};
		4109
		4110	--$RELOAD;
		4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
		4115	};
		4116
		4117	our $RELOAD_WATCHER; # used only during reload
		4118
		4119	sub reload_perl() {
		4120	# doing reload synchronously and two reloads happen back-to-back,
		4121	# coro crashes during coro_state_free->destroy here.
		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
		4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4127	do_reload_perl;
		4128	undef $RELOAD_WATCHER;
		4129	};
2482	};	4130	};
2483		4131	}
2484	warn "reloaded";
2485	};
2486
2487	our $RELOAD_WATCHER; # used only during reload
2488		4132
2489	register_command "reload" => sub {	4133	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2491		4135
2492	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
2494		4138	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	4139	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	4140	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	4141	};
2507	}	4142	}
2508	};	4143	};
2509		4144
2510	unshift @INC, $LIBDIR;	4145	#############################################################################
2511		4146
2512	my $bug_warning = 0;	4147	my $bug_warning = 0;
2513		4148
2514	$TICK_WATCHER = Event->timer (	4149	sub wait_for_tick() {
2515	reentrant => 0,	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2516	parked => 1,	4151
2517	prio => 0,	4152	$WAIT_FOR_TICK->wait;
2518	at => $NEXT_TICK || $TICK,	4153	}
2519	data => WF_AUTOCANCEL,	4154
2520	cb => sub {	4155	sub wait_for_tick_begin() {
		4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4157
		4158	my $signal = new Coro::Signal;
		4159	push @WAIT_FOR_TICK_BEGIN, $signal;
		4160	$signal->wait;
		4161	}
		4162
		4163	sub tick {
2521	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2524	return;	4167	return;
		4168	}
		4169
		4170	cf::one_tick; # one server iteration
		4171
		4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4173
		4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
		4178	write_runtime_sync
		4179	or error "ERROR: unable to write runtime file: $!";
2525	}	4180	};
		4181	}
2526		4182
2527	$NOW = Event::time;	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2528		4184	$sig->send;
2529	cf::server_tick; # one server iteration	4185	}
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532
2533	$WAIT_FOR_TICK->broadcast;	4186	$WAIT_FOR_TICK->broadcast;
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2535		4187
2536	# my $AFTER = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2537	# warn $AFTER - $NOW;#d#	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2538		4190
2539	# if we are delayed by four ticks or more, skip them all	4191	if (0) {
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4192	if ($NEXT_TICK) {
2541		4193	my $jitter = $TICK_START - $NEXT_TICK;
2542	$TICK_WATCHER->at ($NEXT_TICK);	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2543	$TICK_WATCHER->start;	4195	debug "jitter $JITTER\n";#d#
		4196	}
2544	},	4197	}
2545	);	4198	}
2546		4199
2547	{	4200	{
2548	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	4202
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2558		4204	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		4206
2574	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		4214
2577	cf::sync_job {	4215	cf::sync_job {
2578	eval {	4216	eval {
2579	BDB::db_env_open	4217	BDB::db_env_open
2580	$DB_ENV,	4218	$DB_ENV,
2581	$BDB_ENV_DIR,	4219	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	4222	0666;
2585		4223
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	4225	};
2591		4226
2592	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	4228	};
2594	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2595	}	4240	}
2596		4241
2597	{	4242	{
		4243	# configure IO::AIO
		4244
2598	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	4248	}
2611		4249
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	4250	our $_log_backtrace;
2613	reentrant => 0,	4251	our $_log_backtrace_last;
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		4252
2622	Coro::async_pool {	4253	sub _log_backtrace {
2623	write_runtime	4254	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	4255
		4256	$msg =~ s/\n$//;
		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4261	# limit the # of concurrent backtraces
		4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
		4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
		4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
		4269	my @bt = fork_call {
		4270	@addr = map { sprintf "%x", $_ } @addr;
		4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4273	or die "addr2line: $!";
		4274
		4275	my @funcs;
		4276	my @res = <$fh>;
		4277	chomp for @res;
		4278	while (@res) {
		4279	my ($func, $line) = splice @res, 0, 2, ();
		4280	push @funcs, "[$func] $line";
		4281	}
		4282
		4283	@funcs
		4284	};
		4285
		4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4288	LOG llevInfo, "[ABT] $_\n" for @bt;
		4289	--$_log_backtrace;
2625	};	4290	};
		4291	} else {
		4292	LOG llevInfo, "[ABT] $msg\n";
		4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2626	},	4294	}
2627	);	4295	}
		4296
		4297	# load additional modules
		4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
2628		4300
2629	END { cf::emergency_save }	4301	END { cf::emergency_save }
2630		4302
2631	1	4303	1
2632		4304

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