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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
52	our $NOW;	139	our $NOW;
53		140
54	our %CFG;	141	our (%PLAYER, %PLAYER_LOADING); # all users
55		142	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		144
67	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
70	binmode STDOUT;	161	binmode STDOUT;
71	binmode STDERR;	162	binmode STDERR;
72		163
73	# read virtual server time, if available	164	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
78	}	169	}
79		170
80	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	172
82	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		175
86	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
87		177
88	sub cf::map::normalise;	178	sub cf::map::normalise;
89		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
90	#############################################################################	184	#############################################################################
91		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
92	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
93		198
94	=over 4	199	=over 4
95		200
96	=item $cf::UPTIME	201	=item $cf::UPTIME
97		202
98	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.
99		219
100	=item $cf::RUNTIME	220	=item $cf::RUNTIME
101		221
102	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
103	every server tick.	223	every server tick.
104		224
105	=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
106		228
107	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		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
110	=item $cf::NOW	240	=item $cf::LOAD
111		241
112	The time of the last (current) server tick.	242	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		243
118	=item %cf::CFG	244	=item %cf::CFG
119		245
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	247	from wherever your confdir points to.
122		248
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		250
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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.
129		283
130	=back	284	=back
131		285
132	=cut	286	=cut
133		287
134	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	295	my $msg = join "", @_;
137	utf8::encode $msg;
138		296
139	$msg .= "\n"	297	$msg .= "\n"
140	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
141		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
142	LOG llevError, $msg;	302	LOG llevWarn, $msg;
143	};	303	};
144	}	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	};
145		318
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		326
153	# 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
154	# within the Safe compartment.	328	# within the Safe compartment.
155	for my $pkg (qw(	329	for my $pkg (qw(
156	cf::global cf::attachable	330	cf::global cf::attachable
157	cf::object cf::object::player	331	cf::object cf::object::player
158	cf::client cf::player	332	cf::client cf::player
159	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
160	cf::map cf::party cf::region	335	cf::party cf::region
161	)) {	336	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	338	}
165		339
166	$Event::DIED = sub {	340	$EV::DIED = sub {
167	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
168	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
169		350
170	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
171		352
172	=over 4	353	=over 4
173		354
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	374	$d
194	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
195	}	376	}
196		377
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
198		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
199	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
200		431
201	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
202		433
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
211		435
212	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
213		437
214	=cut	438	=cut
215		439
216	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
218	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	}
219	}	505	}
220		506
221	=item cf::lock_wait $string	507	=item cf::lock_wait $string
222		508
223	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
224		510
225	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
226		512
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
230	returned.	516	returned.
231		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
232	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
233	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
234		523
235	=cut	524	=item $locked = cf::lock_active $string
236		525
237	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
238		531
239	sub lock_wait($) {	532	sub lock_wait($) {
240	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	534	}
248		535
249	sub lock_acquire($) {	536	sub lock_acquire($) {
250	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
251		539
252	# wait, to be sure we are not locked	540	sub lock_active($) {
253	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	542	}
262		543
263	sub freeze_mainloop {	544	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
265		546
266	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	548	}
268	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
269	};	617	}
270	$WRITE_RUNTIME_WATCHER->stop;	618	};
271	$TICK_WATCHER->stop;	619
272	$guard	620	sub get_slot($;$$) {
		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	$sig->wait;
273	}	633	}
274		634
275	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
276		636
277	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		642
283	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
284		644
285	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
286		646
287	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
290		651
291	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
294	fast or be very important.	655	fast or be very important.
…		…
296	=cut	657	=cut
297		658
298	sub sync_job(&) {	659	sub sync_job(&) {
299	my ($job) = @_;	660	my ($job) = @_;
300		661
301	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
302	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
304		667
305	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	669
307	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
308		671
309	my $busy = 1;	672	my $busy = 1;
310	my @res;	673	my @res;
311		674
312	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	677	@res = eval { $job->() };
314	warn $@ if $@;	678	error $@ if $@;
315	undef $busy;	679	undef $busy;
316	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
317		681
318	while ($busy) {	682	while ($busy) {
319	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
320	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
321		693
322	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
323	} else {	695	} else {
324	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
325		697
…		…
345	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
346		718
347	$coro	719	$coro
348	}	720	}
349		721
350	sub write_runtime {	722	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		723
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
354	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.
355		728
356	my $value = $cf::RUNTIME + 90 + 10;	729	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		730
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	731	sub post_fork {
361	and return;	732	reset_signals;
		733	}
362		734
363	aio_fsync $fh	735	sub fork_call(&@) {
364	and return;	736	my ($cb, @args) = @_;
365		737
366	close $fh	738	# we seemingly have to make a local copy of the whole thing,
367	or return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
368		741
369	aio_rename "$runtime~", $runtime	742	my @res = Coro::Util::fork_eval {
370	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
371		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
372	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 });
373	}	925	}
374		926
375	=back	927	=back
376		928
377	=cut	929	=cut
378		930
379	#############################################################################	931	#############################################################################
380		932
381	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
382		934
383	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
384	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")
385	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
386		938
387	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>
388	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
389	crossfire+).	941	Deliantra).
390		942
391	=over 4	943	=over 4
392		944
393	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
394		946
…		…
438	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
439		991
440	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
442		994
443	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		997
446	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
447		999
448	=over 4	1000	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
558		1110
559	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1115
564	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
566		1118
567	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
572		1124
573	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1127
576	} elsif (ref $type) {	1128	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
578		1130
579	} else {	1131	} else {
580	shift @arg;	1132	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
582	}	1134	}
583	}	1135	}
584	}	1136	}
585		1137
586	sub _object_attach {	1138	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
597	}	1149	}
598		1150
599	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
600	} else {	1152	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1154	}
603		1155
604	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
605	}	1157	}
606		1158
…		…
608	if (ref $_[0]) {	1160	if (ref $_[0]) {
609	_object_attach @_;	1161	_object_attach @_;
610	} else {	1162	} else {
611	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
612	}	1164	}
		1165	_recalc_want;
613	};	1166	};
614		1167
615	# all those should be optimised	1168	# all those should be optimised
616	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1174	reattach ($obj);
622	} else {	1175	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
624	}	1177	}
		1178	_recalc_want;
625	};	1179	};
626		1180
627	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
629		1183
…		…
644	";	1198	";
645	die if $@;	1199	die if $@;
646	}	1200	}
647		1201
648	our $override;	1202	our $override;
649	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?
650		1204
651	sub override {	1205	sub override {
652	$override = 1;	1206	$override = 1;
653	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
654	}	1208	}
655		1209
656	sub do_invoke {	1210	sub do_invoke {
657	my $event = shift;	1211	my $event = shift;
658	my $callbacks = shift;	1212	my $callbacks = shift;
659		1213
660	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
661		1215
662	local $override;	1216	local $override;
663		1217
664	for (@$callbacks) {	1218	for (@$callbacks) {
665	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
666		1220
667	if ($@) {	1221	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1223	override;
671	}	1224	}
672		1225
673	return 1 if $override;	1226	return 1 if $override;
674	}	1227	}
675		1228
676	0	1229	0
677	}	1230	}
678		1231
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1233
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1235
683	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
684		1237
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1241
689	=back	1242	=back
690		1243
691	=cut	1244	=cut
692		1245
693	#############################################################################	1246	#############################################################################
694	# 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, $ob2
		1289	}
695		1290
696	sub reattach {	1291	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1293	my ($obj) = @_;
699		1294
		1295	# no longer needed after getting rid of delete_package?
700	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
701		1297
702	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
703		1299
704	@$registry = ();	1300	@$registry = ();
705		1301
…		…
710	for (@$attach) {	1306	for (@$attach) {
711	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
713	}	1309	}
714	} else {	1310	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1312	}
717	}	1313	}
718	}	1314	}
719		1315
720	cf::attachable->attach (	1316	cf::attachable->attach (
721	prio => -1000000,	1317	prio => -1000000,
722	on_instantiate => sub {	1318	on_instantiate => sub {
723	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
724		1320
725	$data = from_json $data;	1321	$data = decode_json $data;
726		1322
727	for (@$data) {	1323	for (@$data) {
728	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
729		1325
730	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1342	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
748		1344
749	sync_job {	1345	sync_job {
750	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
753		1351
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1357	aio_fsync $fh;
		1358	}
758	close $fh;	1359	aio_close $fh;
759		1360
760	if (@$objs) {	1361	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
		1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1368	aio_fsync $fh;
		1369	}
766	close $fh;	1370	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
768	}	1372	}
769	} else {	1373	} else {
770	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
771	}	1375	}
772		1376
773	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1381	} else {
775	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
776	}	1383	}
777	} else {	1384	} else {
778	aio_unlink $filename;	1385	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
780	}	1387	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1388	};
788	}	1389	}
789		1390
790	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
792		1393
…		…
797		1398
798	sub object_thawer_load {	1399	sub object_thawer_load {
799	my ($filename) = @_;	1400	my ($filename) = @_;
800		1401
801	my ($data, $av);	1402	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1403
806	(aio_load $filename, $data) >= 0	1404	(aio_load $filename, $data) >= 0
807	or return;	1405	or return;
808		1406
809	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
811	or return;	1409	or return;
		1410
812	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
813	}	1413	}
814		1414
		1415	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
817	return ($data, $av);	1420	($data, $av)
818	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
819		1428
820	#############################################################################	1429	#############################################################################
821	# command handling &c	1430	# command handling &c
822		1431
823	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1446	}
838		1447
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1449
841	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.
842		1455
843	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
844	called.	1457	called.
845		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
846	=cut	1470	=cut
847		1471
848	sub register_extcmd {	1472	sub register_extcmd {
849	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
850		1474
851	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
852	}	1476	}
853		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
854	cf::player->attach (	1486	cf::player->attach (
855	on_command => sub {	1487	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
857		1489
858	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
859	or return;	1491	or return;
860		1492
…		…
865	cf::override;	1497	cf::override;
866	},	1498	},
867	on_extcmd => sub {	1499	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
869		1501
870	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1503
872	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
878	} else {	1516	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1518	}
881		1519
882	cf::override;	1520	cf::override;
883	},	1521	},
884	);	1522	);
885		1523
		1524	# "readahead" all extensions
886	sub load_extension {	1525	sub cache_extensions {
887	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
888		1527
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1531	}
914	die $@;
915	}	1532	};
916		1533
917	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;
918	}	1546	}
919		1547
920	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
921	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1557	next unless -r $path;
923	eval {	1558
924	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 $active;
		1630	}
925	1	1631	}
926	} or warn "$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	}
927	}	1644	};
928	}	1645	}
929		1646
930	#############################################################################	1647	#############################################################################
931		1648
		1649	=back
		1650
932	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
933		1652
934	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
935		1654
936	=cut	1655	=cut
937		1656
938	package cf::player;	1657	package cf::player;
939		1658
…		…
941		1660
942	=head3 cf::player	1661	=head3 cf::player
943		1662
944	=over 4	1663	=over 4
945		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
946	=item cf::player::find $login	1679	=item cf::player::find $login
947		1680
948	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
949		1682
950	=cut	1683	=cut
951		1684
952	sub playerdir($) {	1685	sub playerdir($) {
953	cf::localdir	1686	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1688	}
959		1689
960	sub path($) {	1690	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1692
963	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
964	}	1694	}
965		1695
966	sub find_active($) {	1696	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
971		1701
972	sub exists($) {	1702	sub exists($) {
973	my ($login) = @_;	1703	my ($login) = @_;
974		1704
975	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
977	}	1707	}
978		1708
979	sub find($) {	1709	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1711	my $login = $_[0];
982		1712
983	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
984		1714
985	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
989	}	1732	}
990	}	1733	}
991	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
992		1748
993	sub save($) {	1749	sub save($) {
994	my ($pl) = @_;	1750	my ($pl) = @_;
995		1751
996	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1002		1758
1003	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1007	Coro::cede;	1768	cf::cede_to_tick;
1008	}	1769	}
1009		1770
1010	sub new($) {	1771	sub new($) {
1011	my ($login) = @_;	1772	my ($login) = @_;
1012		1773
…		…
1018	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1019		1780
1020	$self	1781	$self
1021	}	1782	}
1022		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
1023	=item $pl->quit_character	1794	=item $pl->quit_character
1024		1795
1025	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1027		1798
1028	=cut	1799	=cut
1029		1800
1030	sub quit_character {	1801	sub quit_character {
1031	my ($pl) = @_;	1802	my ($pl) = @_;
1032		1803
		1804	my $name = $pl->ob->name;
		1805
1033	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1034	$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
1035		1808
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1039	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1040		1817
1041	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1844	}
1048		1845
1049	=item cf::player::list_logins	1846	=item cf::player::list_logins
1050		1847
1051	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
1052	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1053		1850
1054	=cut	1851	=cut
1055		1852
1056	sub list_logins {	1853	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1855	or return [];
1059		1856
1060	my @logins;	1857	my @logins;
1061		1858
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1066		1869
1067	utf8::decode $login;	1870	utf8::decode $login;
1068	push @logins, $login;	1871	push @logins, $login;
1069	}	1872	}
1070		1873
1071	\@logins	1874	\@logins
1072	}	1875	}
1073		1876
1074	=item $player->maps	1877	=item $player->maps
1075		1878
		1879	=item cf::player::maps $login
		1880
1076	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1077	player. May block.	1882	player. May block.
1078		1883
1079	=cut	1884	=cut
1080		1885
1081	sub maps($) {	1886	sub maps($) {
1082	my ($pl) = @_;	1887	my ($pl) = @_;
		1888
		1889	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1890
1084	my $files = aio_readdir playerdir $pl	1891	my $files = aio_readdir playerdir $pl
1085	or return;	1892	or return;
1086		1893
1087	my @paths;	1894	my @paths;
…		…
1089	for (@$files) {	1896	for (@$files) {
1090	utf8::decode $_;	1897	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1898	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1899	next unless /^$PATH_SEP/o;
1093		1900
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1901	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1902	}
1096		1903
1097	\@paths	1904	\@paths
1098	}	1905	}
1099		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1101		1912
1102	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1103		1914
1104	=cut	1915	=cut
1105		1916
1106	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1108		1919
1109	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1921	}
1113		1922
1114	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	}
1115		1965
1116	=back	1966	=back
1117
1118		1967
1119	=head3 cf::map	1968	=head3 cf::map
1120		1969
1121	=over 4	1970	=over 4
1122		1971
…		…
1134	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1136		1985
1137	sub generate_random_map {	1986	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1139	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1140	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151	(cf::region::find $rmp->{region}), $rmp->{custom}
1152	)
1153	}	1992	}
1154		1993
1155	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1156		1995
1157	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
…		…
1162		2001
1163	sub register {	2002	sub register {
1164	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	2004	my $pkg = caller;
1166		2005
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		2007
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	2009	}
1172		2010
1173	# also paths starting with '/'	2011	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		2013
1176	sub thawer_merge {	2014	sub thawer_merge {
1177	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1178		2016
1179	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1180	local $self->{path};	2018	local $self->{path};
1181	local $self->{load_path};	2019	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		2020
1185	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1186	}	2022	}
1187		2023
1188	sub normalise {	2024	sub normalise {
1189	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1190		2026
1191	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1192		2028
1193	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1194		2030
1195	# map plan:	2031	# map plan:
1196	#	2032	#
…		…
1211	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1212	$path = "$base/$path";	2048	$path = "$base/$path";
1213	}	2049	}
1214		2050
1215	for ($path) {	2051	for ($path) {
1216	redo if s{//}{/};
1217	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1218	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1219	}	2054	}
1220		2055
1221	$path	2056	$path
…		…
1235	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1236	return $self;	2071	return $self;
1237	}	2072	}
1238	}	2073	}
1239		2074
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	2076	()
1242	}	2077	}
1243		2078
		2079	# may re-bless or do other evil things
1244	sub init {	2080	sub init {
1245	my ($self) = @_;	2081	my ($self) = @_;
1246		2082
1247	$self	2083	$self
1248	}	2084	}
…		…
1260		2096
1261	# the original (read-only) location	2097	# the original (read-only) location
1262	sub load_path {	2098	sub load_path {
1263	my ($self) = @_;	2099	my ($self) = @_;
1264		2100
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1266	}	2102	}
1267		2103
1268	# the temporary/swap location	2104	# the temporary/swap location
1269	sub save_path {	2105	sub save_path {
1270	my ($self) = @_;	2106	my ($self) = @_;
1271		2107
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1274	}	2110	}
1275		2111
1276	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1277	sub uniq_path {	2113	sub uniq_path {
1278	my ($self) = @_;	2114	my ($self) = @_;
1279		2115
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1282	}	2118	}
1283		2119
1284	# and all this just because we cannot iterate over	2120	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	2121	my ($self) = @_;
1288		2122
1289	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1291	}	2126	}
1292		2127
1293	sub unlink_save {	2128	sub unlink_save {
1294	my ($self) = @_;	2129	my ($self) = @_;
1295		2130
1296	utf8::encode (my $save = $self->save_path);	2131	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2132	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2133	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	2134	}
1305		2135
1306	sub load_header_from($) {	2136	sub load_header_from($) {
1307	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1308		2138
1309	utf8::encode $path;	2139	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	2141	or return;
1315		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1316	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1317		2150
1318	1	2151	1
1319	}	2152	}
1320		2153
		2154	# used to laod the header of an original map
1321	sub load_header_orig {	2155	sub load_header_orig {
1322	my ($self) = @_;	2156	my ($self) = @_;
1323		2157
1324	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1325	}	2159	}
1326		2160
		2161	# used to laod the header of an instantiated map
1327	sub load_header_temp {	2162	sub load_header_temp {
1328	my ($self) = @_;	2163	my ($self) = @_;
1329		2164
1330	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1331	}	2166	}
1332		2167
		2168	# called after loading the header from an instantiated map
1333	sub prepare_temp {	2169	sub prepare_temp {
1334	my ($self) = @_;	2170	my ($self) = @_;
1335		2171
1336	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1337	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1338	# safety	2174	# safety
1339	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1340	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1341	}	2177	}
1342		2178
		2179	# called after loading the header from an original map
1343	sub prepare_orig {	2180	sub prepare_orig {
1344	my ($self) = @_;	2181	my ($self) = @_;
1345		2182
1346	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1347	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1358	$self->load_header_orig	2195	$self->load_header_orig
1359	or return;	2196	or return;
1360	$self->prepare_orig;	2197	$self->prepare_orig;
1361	}	2198	}
1362		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
1363	1	2206	1
1364	}	2207	}
1365		2208
1366	sub find;	2209	sub find;
1367	sub find {	2210	sub find {
1368	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1369		2212
		2213	cf::cede_to_tick;
		2214
1370	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1371		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2219
1374	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1377	or return;	2222	or return;
1378		2223
1379	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1380		2225
1381	$map->load_header	2226	$map->load_header
1382	or return;	2227	or return;
1383		2228
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1387	$map->reset;	2234	$map->reset;
1388	undef $guard;
1389	return find $path;	2235	return find $path;
1390	}	2236	}
1391		2237
1392	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1393	}	2239	}
1394	}	2240	}
1395		2241
1396	sub pre_load { }	2242	sub pre_load { }
1397	sub post_load { }	2243	#sub post_load { } # XS
1398		2244
1399	sub load {	2245	sub load {
1400	my ($self) = @_;	2246	my ($self) = @_;
1401		2247
1402	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1403		2249
1404	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1406		2254
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1408		2257
1409	$self->in_memory (cf::MAP_LOADING);
1410
1411	$self->alloc;	2258	$self->alloc;
1412		2259
1413	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1414		2262
1415	$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)
1416	or return;	2267	or return;
1417		2268
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1419	if delete $self->{load_original};	2270	if delete $self->{load_original};
1420		2271
1421	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2273	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2276	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1426	}	2281	}
1427	}
1428		2282
1429	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1430		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1431	# now do the right thing for maps	2292	# now do the right thing for maps
1432	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2295	unless $self->difficulty;
1442	Coro::cede;	2296	cf::cede_to_tick;
1443	$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);
1444	}	2308	}
1445		2309
1446	$self->post_load;	2310	$self->post_load;
1447		2311
1448	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1449	}	2313	}
1450		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
1451	sub customise_for {	2318	sub customise_for {
1452	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1453		2320
1454	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2322	if $self->per_player;
1456		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1457	$self	2327	$self
1458	}
1459
1460	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {
1462	my ($map) = @_;
1463
1464	my @diag; # diagonal neighbours
1465
1466	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)
1468	or next;
1469	$neigh = find $neigh, $map
1470	or next;
1471	$neigh->load;
1472
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}
1476
1477	for (@diag) {
1478	my $neigh = find @$_
1479	or next;
1480	$neigh->load;
1481	}
1482	}	2328	}
1483		2329
1484	sub find_sync {	2330	sub find_sync {
1485	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1486		2332
1487	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
1488	}	2338	}
1489		2339
1490	sub do_load_sync {	2340	sub do_load_sync {
1491	my ($map) = @_;	2341	my ($map) = @_;
1492		2342
1493	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;
1494	}	2348	}
1495		2349
1496	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1498		2352
1499	sub find_async {	2353	sub find_async {
1500	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1501		2355
1502	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1503		2357
1504	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1506	}	2360	}
1507		2361
1508	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1509	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1510	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2369	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2370	$map->load if $v;
		2371	}
1515		2372
1516	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1517	}	2374	}
1518	}	2375	}
1519	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1520	};	2377	};
1521	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1522		2379
1523	()	2380	()
1524	}	2381	}
1525		2382
		2383	# common code, used by both ->save and ->swapout
1526	sub save {	2384	sub _save {
1527	my ($self) = @_;	2385	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2386
1531	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1532		2388
1533	return unless $self->dirty;	2389	return unless $self->dirty;
1534		2390
…		…
1540	return if $self->{deny_save};	2396	return if $self->{deny_save};
1541		2397
1542	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1543		2399
1544	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1546	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1547		2406
1548	if ($uniq) {	2407	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2410	} else {
1552	$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);
1553	}	2412	}
1554	}	2413	}
1555		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1556	sub swap_out {	2423	sub swap_out {
1557	my ($self) = @_;	2424	my ($self) = @_;
1558		2425
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1564	return if $self->players;	2430	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		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
1568	$self->clear;	2441	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2442	}
1571		2443
1572	sub reset_at {	2444	sub reset_at {
1573	my ($self) = @_;	2445	my ($self) = @_;
1574		2446
1575	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1578		2449
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	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;
1581		2452
…		…
1592	my ($self) = @_;	2463	my ($self) = @_;
1593		2464
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2466
1596	return if $self->players;	2467	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2468
1599	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
		2470
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
1600		2480
1601	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1602		2482
1603	$self->in_memory (cf::MAP_SWAPPED);	2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2485	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2486
1608	$self->unlink_save;	2487	$self->unlink_save;
1609	$self->destroy;	2488	$self->destroy;
1610	}	2489	}
1611		2490
1612	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1613		2492
1614	sub nuke {	2493	sub nuke {
1615	my ($self) = @_;	2494	my ($self) = @_;
1616		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1617	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1618		2500
1619	$self->unlink_save;	2501	$self->unlink_save;
1620		2502
1621	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2508
1627	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1628		2511
1629	$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	]
1630	}	2549	}
1631		2550
1632	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1633		2552
1634	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2554	instantiated unique items. May block.
1636		2555
1637	=cut	2556	=cut
1638		2557
1639	sub unique_maps() {	2558	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1641	or return;	2560	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2561	utf8::decode $_;
1647	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2564	? ()
1650	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2567	]
1652
1653	\@paths
1654	}	2568	}
1655		2569
1656	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	}
1657		2601
1658	=back	2602	=back
1659		2603
1660	=head3 cf::object	2604	=head3 cf::object
1661		2605
…		…
1665		2609
1666	=over 4	2610	=over 4
1667		2611
1668	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1669		2613
1670	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.
1671		2616
1672	=cut	2617	=cut
1673		2618
1674	sub inv_recursive_;	2619	sub inv_recursive_;
1675	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1678		2623
1679	sub inv_recursive {	2624	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1681	}	2626	}
1682		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
1683	package cf;	2656	package cf;
1684		2657
1685	=back	2658	=back
1686		2659
1687	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1693	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>
1694	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
1695	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1696		2669
1697	=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	};
1698		2685
1699	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2687	# with dialog boxes.
1701	#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
1702	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1704		2691
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2693
1707	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1709	} 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 {
1710	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1712	}	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 (@_);
1713	}	2719	}
1714		2720
1715	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1716		2722
1717	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1730		2736
1731	=item $player_object->enter_link	2737	=item $player_object->enter_link
1732		2738
1733	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}>).
1734		2740
1735	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.
1736	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.
1737		2745
1738	Will never block.	2746	Will never block.
1739		2747
1740	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1741		2749
…		…
1761	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2770	my ($self) = @_;
1763		2771
1764	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1765		2773
		2774	++$self->{_link_recursion};
		2775
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2777
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1770		2780
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2782	}
1773		2783
1774	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1776		2788
1777	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1778		2790
1779	unless ($map) {	2791	unless ($map) {
1780	# restore original map position	2792	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1793		2805
1794	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1797		2809
1798	$map->load;	2810	$map->load;
1799	$map->load_diag;
1800		2811
1801	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
1802	$self->activate_recursive;	2819	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2820	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2821
1820	# try to abort aborted map switching on player login :)	2822	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2823
1838	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		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
1840	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1841		2838
1842	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1843	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;
1844		2850
1845	$self->enter_link;	2851	$self->enter_link;
1846		2852
1847	(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
1848	my $map = eval {	2875	my $map = eval {
1849	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1850	$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
1851	$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 $@;
1852	} or	2891	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1856	})->prio (1);	2899	})->prio (1);
1857	}	2900	}
1858		2901
1859	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1860		2903
…		…
1880	}	2923	}
1881		2924
1882	sub prepare_random_map {	2925	sub prepare_random_map {
1883	my ($exit) = @_;	2926	my ($exit) = @_;
1884		2927
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2930	# that depends on the exit object
1890		2931
1891	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2934	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1898	}	2941	}
1899		2942
1900	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1901		2944
1902	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1905		2948
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2951	undef $fh;
1909	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1910		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1913	}	2960	}
1914	}	2961	}
1915		2962
1916	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1918		2965
1919	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1920		2967
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2968	$self->enter_link;
1931		2969
1932	(async {	2970	(async {
1933	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1934	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
1935	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1936		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
1937	1;	3009	1
1938	}) {	3010	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "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. "
1941	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1943		3015
1944	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	3017	$self->leave_link;
1946	}	3018	}
1947	})->prio (1);	3019	})->prio (1);
1948	}	3020	}
1949		3021
…		…
1960		3032
1961	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1963		3035
1964	utf8::encode $text;	3036	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	3038	}
1967		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	}
1968		3257
1969	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1970		3259
1971	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1972	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>,
1973	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>.
1974		3263
1975	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
1976	reliable at some point in the future.	3265	become reliable at some point in the future.
1977		3266
1978	=cut	3267	=cut
1979		3268
1980	sub cf::client::query {	3269	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3278	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3280
1992	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
1994	}	3285	}
1995		3286
1996	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	},
1997	on_reply => sub {	3293	on_reply => sub {
1998	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
1999		3295
2000	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2001	# get handled first	3297	# get handled first
2002	my $queue = delete $ns->{query_queue}	3298	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3299	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3300
2005	(shift @$queue)->[1]->($msg);	3301	(shift @$queue)->[1]->($msg);
		3302	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3303
2007	push @{ $ns->{query_queue} }, @$queue;	3304	push @{ $ns->{query_queue} }, @$queue;
2008		3305
2009	if (@{ $ns->{query_queue} } == @$queue) {	3306	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3307	if (@$queue) {
…		…
2012	} else {	3309	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3311	}
2015	}	3312	}
2016	},	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	},
2017	);	3337	);
2018		3338
2019	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2020		3340
2021	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3357
2038	$coro	3358	$coro
2039	}	3359	}
2040		3360
2041	cf::client->attach (	3361	cf::client->attach (
2042	on_destroy => sub {	3362	on_client_destroy => sub {
2043	my ($ns) = @_;	3363	my ($ns) = @_;
2044		3364
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3366	},
2047	);	3367	);
…		…
2062	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2064		3384
2065	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2066		3386
2067	$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	));
2068		3392
2069	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2070		3394
2071	=pod	3395	=pod
2072		3396
2073	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2074		3398
2075	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
2076	cf::object::player player	3404	cf::object::player
2077	cf::player peaceful	3405	player
2078	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2079		3412
2080	=cut	3413	=cut
2081		3414
2082	for (	3415	for (
2083	["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)],
2084	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2087	) {	3422	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3425	for @funs;
2092	}	3426	}
2093		3427
…		…
2108		3442
2109	my $qcode = $code;	3443	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2112		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2113	local $_;	3450	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3451
2116	my $eval =	3452	my $eval =
2117	"do {\n"	3453	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3456	. $code
2121	. "\n}"	3457	. "\n}"
2122	;	3458	;
2123		3459
		3460	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	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	}
2127		3469
2128	if ($@) {	3470	if ($@) {
2129	warn "$@";	3471	warn "$@",
2130	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2132	}	3474	}
2133		3475
2134	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2135	}	3477	}
2136		3478
…		…
2150	=cut	3492	=cut
2151		3493
2152	sub register_script_function {	3494	sub register_script_function {
2153	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2154		3496
2155	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2157	}	3499	}
2158		3500
2159	=back	3501	=back
2160		3502
2161	=cut	3503	=cut
2162		3504
2163	#############################################################################	3505	#############################################################################
		3506	# the server's init and main functions
2164		3507
2165	=head2 EXTENSION DATABASE SUPPORT	3508	sub load_facedata($) {
		3509	my ($path) = @_;
2166		3510
2167	Crossfire maintains a very simple database for extension use. It can	3511	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3512	# for this (global event?)
2169	excludes objects.	3513	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3514
2171	The parameter C<$family> should best start with the name of the extension	3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3516
2174	=over 4	3517	trace "loading facedata from $path\n";
2175		3518
2176	=item $hashref = cf::db_get $family	3519	my $facedata = decode_storable load_file $path;
2177		3520
2178	Return a hashref for use by the extension C<$family>, which can be	3521	$facedata->{version} == 2
2179	modified. After modifications, you have to call C<cf::db_dirty> or	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2180	C<cf::db_sync>.
2181		3523
2182	=item $value = cf::db_get $family => $key	3524	# patch in the exptable
2183		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2184	Returns a single value from the database	3526	$facedata->{resource}{"res/exp_table"} = {
2185		3527	type => FT_RSRC,
2186	=item cf::db_put $family => $hashref	3528	data => $exp_table,
2187		3529	hash => (Digest::MD5::md5 $exp_table),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3530	};
		3531	cf::cede_to_tick;
2214		3532
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3533	{
		3534	my $faces = $facedata->{faceinfo};
2226		3535
2227	my $dirty;	3536	while (my ($face, $info) = each %$faces) {
		3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3538
2229	sub db_sync() {	3539	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3540	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2233		3544
2234	my $idle = Event->idle (	3545	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3546	}
2268	);
2269	}
2270		3547
2271	#############################################################################	3548	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3549	next unless $info->{smooth};
2273		3550
2274	sub cfg_load {	3551	my $idx = cf::face::find $face
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3552	or next;
2276	or return;
2277		3553
2278	local $/;	3554	if (my $smooth = cf::face::find $info->{smooth}) {
2279	*CFG = YAML::Syck::Load <$fh>;	3555	cf::face::set_smooth $idx, $smooth;
		3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3557	} else {
		3558	error "smooth face '$info->{smooth}' not found for face '$face'";
		3559	}
2280		3560
		3561	cf::cede_to_tick;
		3562	}
		3563	}
		3564
		3565	{
		3566	my $anims = $facedata->{animinfo};
		3567
		3568	while (my ($anim, $info) = each %$anims) {
		3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3570	cf::cede_to_tick;
		3571	}
		3572
		3573	cf::anim::invalidate_all; # d'oh
		3574	}
		3575
		3576	{
		3577	my $res = $facedata->{resource};
		3578
		3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
		3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3583
		3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3587	} else {
		3588	# $RESOURCE{$name} = $info; # unused
		3589	}
		3590
		3591	cf::cede_to_tick;
		3592	}
		3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
		3597	1
		3598	}
		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
		3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
		3623	load_resource_file "$MAPDIR/regions"
		3624	or die "unable to load regions file\n";
		3625
		3626	for (cf::region::list) {
		3627	$_->{match} = qr/$_->{match}/
		3628	if exists $_->{match};
		3629	}
		3630	}
		3631
		3632	sub reload_facedata {
		3633	load_facedata "$DATADIR/facedata"
		3634	or die "unable to load facedata\n";
		3635	}
		3636
		3637	sub reload_archetypes {
		3638	load_resource_file "$DATADIR/archetypes"
		3639	or die "unable to load archetypes\n";
		3640	}
		3641
		3642	sub reload_treasures {
		3643	load_resource_file "$DATADIR/treasures"
		3644	or die "unable to load treasurelists\n";
		3645	}
		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
		3667	sub reload_resources {
		3668	trace "reloading resource files...\n";
		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
		3675	reload_regions;
		3676	reload_treasures;
		3677
		3678	trace "finished reloading resource files\n";
		3679	}
		3680
		3681	sub reload_config {
		3682	trace "reloading config file...\n";
		3683
		3684	my $config = load_file "$CONFDIR/config";
		3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
		3687
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3689
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3692
2286	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2290	};	3697	};
2291	warn $@ if $@;	3698	warn $@ if $@;
2292	}	3699	}
2293	}	3700	}
2294		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
2295	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2296	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3743	(async {
2300	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2302	};	3747	};
2303		3748
2304	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
		3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2306	load_extensions;	3772	load_extensions;
2307		3773
2308	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2310	}	3791	}
2311		3792
2312	#############################################################################	3793	#############################################################################
2313	# initialisation and cleanup	3794	# initialisation and cleanup
2314		3795
2315	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2316	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2325	},
2326	);	3802	};
		3803	}
		3804	}
		3805
		3806	sub write_runtime_sync {
		3807	my $t0 = AE::time;
		3808
		3809	# first touch the runtime file to show we are still running:
		3810	# the fsync below can take a very very long time.
		3811
		3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3813
		3814	my $guard = cf::lock_acquire "write_runtime";
		3815
		3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3817	or return;
		3818
		3819	my $value = $cf::RUNTIME + 90 + 10;
		3820	# 10 is the runtime save interval, for a monotonic clock
		3821	# 60 allows for the watchdog to kill the server.
		3822
		3823	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3824	and return;
		3825
		3826	# always fsync - this file is important
		3827	aio_fsync $fh
		3828	and return;
		3829
		3830	# touch it again to show we are up-to-date
		3831	aio_utime $fh, undef, undef;
		3832
		3833	close $fh
		3834	or return;
		3835
		3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3837	and return;
		3838
		3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3840
2327	}	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2328	}	3892	}
2329		3893
2330	sub emergency_save() {	3894	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2332		3896
2333	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2334		3903
2335	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2336	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3915	$pl->save;
2344	}	3916	}
2345	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2346		3918
2347	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3924	$map->valid or next;
2351	$map->save;	3925	$map->save;
2352	}	3926	}
2353	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
		3928
		3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
		3932	BDB::db_env_txn_checkpoint $DB_ENV;
		3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3957	};
2355		3958
2356	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2357	}	3960	}
2358		3961
		3962	sub post_cleanup {
		3963	my ($make_core) = @_;
		3964
		3965	IO::AIO::flush;
		3966
		3967	error Carp::longmess "post_cleanup backtrace"
		3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
		3997	}
		3998
2359	sub reload() {	3999	sub do_reload_perl() {
2360	# can/must only be called in main	4000	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2362	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2363	return;	4003	return;
2364	}	4004	}
2365		4005
2366	warn "reloading...";	4006	return if $RELOAD++;
2367		4007
2368	warn "cancelling server ticker";	4008	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
		4016	cf::sync_job {
2371	cf::emergency_save;	4017	#cf::emergency_save;
2372		4018
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	4021	%EXT_CORO = ();
2395		4022
2396	warn "removing commands";	4023	trace "perl_reload: removing commands";
2397	%COMMAND = ();	4024	%COMMAND = ();
2398		4025
2399	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2400	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2401		4029
2402	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2405		4033
2406	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2407	eval {	4035	eval {
2408	$cb->($pkg);	4036	$cb->($pkg);
2409	1	4037	1
2410	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
2411	}	4043	}
2412		4044
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		4048
2421	warn "... unloading $k";	4049	trace "... unloading $k";
2422	delete $INC{$k};	4050	delete $INC{$k};
2423		4051
2424	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2426		4054
2427	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2429	}	4060	}
2430		4061
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		4065
2438	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
		4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		4069
2441	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2442	# and global variables created in xs	4071	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2444		4073
2445	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2446		4075
2447	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2448	require cf;	4077	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2450		4079
2451	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2452	cf::cfg_load;	4081	cf::reload_config;
2453	cf::db_load;
2454		4082
2455	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4084	cf::load_extensions;
2457		4085
		4086	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4088	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
		4091	trace "perl_reload: reattaching attachments to players";
		4092	reattach $_ for values %PLAYER;
		4093	}
2462		4094
2463	warn "restarting server ticker";	4095	cf::_post_init 1;
2464		4096
2465	$TICK_WATCHER->start;	4097	trace "perl_reload: leaving sync_job";
		4098
		4099	1
		4100	} or do {
		4101	error $@;
		4102	cf::cleanup "perl_reload: error, exiting.";
		4103	};
		4104
		4105	--$RELOAD;
		4106	}
		4107
		4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
		4110	};
		4111
		4112	our $RELOAD_WATCHER; # used only during reload
		4113
		4114	sub reload_perl() {
		4115	# doing reload synchronously and two reloads happen back-to-back,
		4116	# coro crashes during coro_state_free->destroy here.
		4117
		4118	$RELOAD_WATCHER ||= cf::async {
		4119	Coro::AIO::aio_wait cache_extensions;
		4120
		4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4122	do_reload_perl;
		4123	undef $RELOAD_WATCHER;
		4124	};
2466	};	4125	};
2467		4126	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4127
2479	register_command "reload" => sub {	4128	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2481		4130
2482	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
2484		4133	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4134	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4135	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4136	};
2497	}	4137	}
2498	};	4138	};
2499		4139
2500	unshift @INC, $LIBDIR;	4140	#############################################################################
2501		4141
2502	my $bug_warning = 0;	4142	my $bug_warning = 0;
2503		4143
2504	$TICK_WATCHER = Event->timer (	4144	sub wait_for_tick() {
2505	reentrant => 0,	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2506	parked => 1,	4146
2507	prio => 0,	4147	$WAIT_FOR_TICK->wait;
2508	at => $NEXT_TICK || $TICK,	4148	}
2509	data => WF_AUTOCANCEL,	4149
2510	cb => sub {	4150	sub wait_for_tick_begin() {
		4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4152
		4153	my $signal = new Coro::Signal;
		4154	push @WAIT_FOR_TICK_BEGIN, $signal;
		4155	$signal->wait;
		4156	}
		4157
		4158	sub tick {
2511	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2514	return;	4162	return;
		4163	}
		4164
		4165	cf::one_tick; # one server iteration
		4166
		4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4168
		4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4171	Coro::async_pool {
		4172	$Coro::current->{desc} = "runtime saver";
		4173	write_runtime_sync
		4174	or error "ERROR: unable to write runtime file: $!";
2515	}	4175	};
		4176	}
2516		4177
2517	$NOW = Event::time;	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518		4179	$sig->send;
2519	cf::server_tick; # one server iteration	4180	}
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522
2523	$WAIT_FOR_TICK->broadcast;	4181	$WAIT_FOR_TICK->broadcast;
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4182
2526	Event::sweep;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2527	Coro::cede_notself;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4185
		4186	if (0) {
		4187	if ($NEXT_TICK) {
		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
2528		4191	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4192	}
2538	);	4193	}
2539		4194
		4195	{
		4196	# configure BDB
		4197
		4198	BDB::min_parallel 16;
		4199	BDB::max_poll_reqs $TICK * 0.1;
		4200	#$AnyEvent::BDB::WATCHER->priority (1);
		4201
		4202	unless ($DB_ENV) {
		4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4209
		4210	cf::sync_job {
		4211	eval {
		4212	BDB::db_env_open
		4213	$DB_ENV,
		4214	$BDBDIR,
		4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4217	0666;
		4218
		4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4220	};
		4221
		4222	cf::cleanup "db_env_open(db): $@" if $@;
		4223	};
		4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
		4235	}
		4236
		4237	{
		4238	# configure IO::AIO
		4239
		4240	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
		4242	undef $AnyEvent::AIO::WATCHER;
		4243	}
2541		4244
2542	undef $Coro::AIO::WATCHER;	4245	our $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (	4246	our $_log_backtrace_last;
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4247
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4248	sub _log_backtrace {
2553	reentrant => 0,	4249	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4250
2555	after => 1,	4251	$msg =~ s/\n$//;
2556	interval => 10,	4252
2557	prio => 6, # keep it lowest so it acts like a watchdog	4253	if ($_log_backtrace_last eq $msg) {
2558	cb => Coro::unblock_sub {	4254	LOG llevInfo, "[ABT] $msg\n";
2559	write_runtime	4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560	or warn "ERROR: unable to write runtime file: $!";	4256	# limit the # of concurrent backtraces
		4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
		4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
		4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
		4264	my @bt = fork_call {
		4265	@addr = map { sprintf "%x", $_ } @addr;
		4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4268	or die "addr2line: $!";
		4269
		4270	my @funcs;
		4271	my @res = <$fh>;
		4272	chomp for @res;
		4273	while (@res) {
		4274	my ($func, $line) = splice @res, 0, 2, ();
		4275	push @funcs, "[$func] $line";
		4276	}
		4277
		4278	@funcs
		4279	};
		4280
		4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4283	LOG llevInfo, "[ABT] $_\n" for @bt;
		4284	--$_log_backtrace;
		4285	};
		4286	} else {
		4287	LOG llevInfo, "[ABT] $msg\n";
		4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561	},	4289	}
2562	);	4290	}
		4291
		4292	# load additional modules
		4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
2563		4295
2564	END { cf::emergency_save }	4296	END { cf::emergency_save }
2565		4297
2566	1	4298	1
2567		4299

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