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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.582 by root, Fri Feb 3 03:01:45 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
56	our $NOW;	139	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		140
59	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		144
76	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
79	binmode STDOUT;	161	binmode STDOUT;
80	binmode STDERR;	162	binmode STDERR;
81		163
82	# read virtual server time, if available	164	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
87	}	169	}
88		170
89	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	172
91	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		175
96	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
97		177
98	sub cf::map::normalise;	178	sub cf::map::normalise;
99		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
100	#############################################################################	184	#############################################################################
101		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
102	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
103		198
104	=over 4	199	=over 4
105		200
106	=item $cf::UPTIME	201	=item $cf::UPTIME
107		202
108	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
109		219
110	=item $cf::RUNTIME	220	=item $cf::RUNTIME
111		221
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	223	every server tick.
114		224
115	=item $cf::LIBDIR	225	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		226	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		227	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		228
117	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		231	unique-items directory, player file directory, random maps directory and
		232	database environment.
119		233
		234	=item $cf::LOADAVG
		235
		236	The current CPU load on the server (alpha-smoothed), as a value between 0
		237	(none) and 1 (overloaded), indicating how much time is spent on processing
		238	objects per tick. Healthy values are < 0.5.
		239
120	=item $cf::NOW	240	=item $cf::LOAD
121		241
122	The time of the last (current) server tick.	242	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		243
128	=item %cf::CFG	244	=item %cf::CFG
129		245
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	247	from wherever your confdir points to.
132		248
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		250
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
139		283
140	=back	284	=back
141		285
142	=cut	286	=cut
143		287
144	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	295	my $msg = join "", @_;
147	utf8::encode $msg;
148		296
149	$msg .= "\n"	297	$msg .= "\n"
150	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
151		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
152	LOG llevError, $msg;	302	LOG llevWarn, $msg;
153	};	303	};
154	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
155		318
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		326
163	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	328	# within the Safe compartment.
165	for my $pkg (qw(	329	for my $pkg (qw(
166	cf::global cf::attachable	330	cf::global cf::attachable
167	cf::object cf::object::player	331	cf::object cf::object::player
168	cf::client cf::player	332	cf::client cf::player
169	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
170	cf::map cf::party cf::region	335	cf::party cf::region
171	)) {	336	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	338	}
175		339
176	$Event::DIED = sub {	340	$EV::DIED = sub {
177	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
178	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
179		350
180	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
181		352
182	=over 4	353	=over 4
183		354
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	374	$d
204	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
205	}	376	}
206		377
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
208		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
209	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
210		431
211	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
212		433
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
221		435
222	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
223		437
224	=cut	438	=cut
225		439
226	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
228	JSON::Syck::Dump $_[0]	442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
229	}	505	}
230		506
231	=item cf::lock_wait $string	507	=item cf::lock_wait $string
232		508
233	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
234		510
235	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
236		512
237	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
240	returned.	516	returned.
241		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
242	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
244		523
245	=cut	524	=item $locked = cf::lock_active $string
246		525
247	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
248		531
249	sub lock_wait($) {	532	sub lock_wait($) {
250	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	534	}
258		535
259	sub lock_acquire($) {	536	sub lock_acquire($) {
260	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
261		539
262	# wait, to be sure we are not locked	540	sub lock_active($) {
263	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	542	}
272		543
273	sub freeze_mainloop {	544	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
275		546
276	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	548	}
		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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
278	};	617	}
279	$TICK_WATCHER->stop;	618	};
280	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
281	}	633	}
282		634
283	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
284		636
285	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		642
291	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
292		644
293	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
294		646
295	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
298		651
299	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
302	fast or be very important.	655	fast or be very important.
…		…
304	=cut	657	=cut
305		658
306	sub sync_job(&) {	659	sub sync_job(&) {
307	my ($job) = @_;	660	my ($job) = @_;
308		661
309	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
310	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
312		667
313	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	669
315	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
316		671
317	my $busy = 1;	672	my $busy = 1;
318	my @res;	673	my @res;
319		674
320	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	677	@res = eval { $job->() };
322	warn $@ if $@;	678	error $@ if $@;
323	undef $busy;	679	undef $busy;
324	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
325		681
326	while ($busy) {	682	while ($busy) {
327	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
328	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
329		693
330	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
331	} else {	695	} else {
332	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
333		697
…		…
353	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
354		718
355	$coro	719	$coro
356	}	720	}
357		721
358	sub write_runtime {	722	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		723
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
362	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.
363		728
364	my $value = $cf::RUNTIME + 90 + 10;	729	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		730
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	731	sub post_fork {
369	and return;	732	reset_signals;
		733	}
370		734
371	# always fsync - this file is important	735	sub fork_call(&@) {
372	aio_fsync $fh	736	my ($cb, @args) = @_;
373	and return;
374		737
375	close $fh	738	# we seemingly have to make a local copy of the whole thing,
376	or return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
377		741
378	aio_rename "$runtime~", $runtime	742	my @res = Coro::Util::fork_eval {
379	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
380		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
381	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 });
382	}	925	}
383		926
384	=back	927	=back
385		928
386	=cut	929	=cut
387		930
388	#############################################################################	931	#############################################################################
389		932
390	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
391		934
392	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
393	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")
394	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
395		938
396	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>
397	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
398	crossfire+).	941	Deliantra).
399		942
400	=over 4	943	=over 4
401		944
402	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
403		946
…		…
447	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
448		991
449	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
451		994
452	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		997
455	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
456		999
457	=over 4	1000	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
567		1110
568	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1115
573	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
575		1118
576	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
581		1124
582	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1127
585	} elsif (ref $type) {	1128	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
587		1130
588	} else {	1131	} else {
589	shift @arg;	1132	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
591	}	1134	}
592	}	1135	}
593	}	1136	}
594		1137
595	sub _object_attach {	1138	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
606	}	1149	}
607		1150
608	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
609	} else {	1152	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1154	}
612		1155
613	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
614	}	1157	}
615		1158
…		…
617	if (ref $_[0]) {	1160	if (ref $_[0]) {
618	_object_attach @_;	1161	_object_attach @_;
619	} else {	1162	} else {
620	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
621	}	1164	}
		1165	_recalc_want;
622	};	1166	};
623		1167
624	# all those should be optimised	1168	# all those should be optimised
625	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1174	reattach ($obj);
631	} else {	1175	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
633	}	1177	}
		1178	_recalc_want;
634	};	1179	};
635		1180
636	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
638		1183
…		…
653	";	1198	";
654	die if $@;	1199	die if $@;
655	}	1200	}
656		1201
657	our $override;	1202	our $override;
658	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?
659		1204
660	sub override {	1205	sub override {
661	$override = 1;	1206	$override = 1;
662	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
663	}	1208	}
664		1209
665	sub do_invoke {	1210	sub do_invoke {
666	my $event = shift;	1211	my $event = shift;
667	my $callbacks = shift;	1212	my $callbacks = shift;
668		1213
669	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
670		1215
671	local $override;	1216	local $override;
672		1217
673	for (@$callbacks) {	1218	for (@$callbacks) {
674	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
675		1220
676	if ($@) {	1221	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1223	override;
680	}	1224	}
681		1225
682	return 1 if $override;	1226	return 1 if $override;
683	}	1227	}
684		1228
685	0	1229	0
686	}	1230	}
687		1231
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1233
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1235
692	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
693		1237
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1241
698	=back	1242	=back
699		1243
700	=cut	1244	=cut
701		1245
702	#############################################################################	1246	#############################################################################
703	# 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, $ob2
		1289	}
704		1290
705	sub reattach {	1291	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1293	my ($obj) = @_;
708		1294
		1295	# no longer needed after getting rid of delete_package?
709	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
710		1297
711	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
712		1299
713	@$registry = ();	1300	@$registry = ();
714		1301
…		…
719	for (@$attach) {	1306	for (@$attach) {
720	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
722	}	1309	}
723	} else {	1310	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1312	}
726	}	1313	}
727	}	1314	}
728		1315
729	cf::attachable->attach (	1316	cf::attachable->attach (
730	prio => -1000000,	1317	prio => -1000000,
731	on_instantiate => sub {	1318	on_instantiate => sub {
732	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
733		1320
734	$data = from_json $data;	1321	$data = decode_json $data;
735		1322
736	for (@$data) {	1323	for (@$data) {
737	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
738		1325
739	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1342	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
757		1344
758	sync_job {	1345	sync_job {
759	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
762		1351
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
767	close $fh;	1359	aio_close $fh;
768		1360
769	if (@$objs) {	1361	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
775	close $fh;	1370	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
777	}	1372	}
778	} else {	1373	} else {
779	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
780	}	1375	}
781		1376
782	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1381	} else {
784	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
785	}	1383	}
786	} else {	1384	} else {
787	aio_unlink $filename;	1385	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
789	}	1387	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1388	};
797	}	1389	}
798		1390
799	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
801		1393
…		…
806		1398
807	sub object_thawer_load {	1399	sub object_thawer_load {
808	my ($filename) = @_;	1400	my ($filename) = @_;
809		1401
810	my ($data, $av);	1402	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1403
815	(aio_load $filename, $data) >= 0	1404	(aio_load $filename, $data) >= 0
816	or return;	1405	or return;
817		1406
818	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
820	or return;	1409	or return;
		1410
821	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
822	}	1413	}
823		1414
		1415	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
826	return ($data, $av);	1420	($data, $av)
827	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
828		1428
829	#############################################################################	1429	#############################################################################
830	# command handling &c	1430	# command handling &c
831		1431
832	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1446	}
847		1447
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1449
850	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.
851		1455
852	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
853	called.	1457	called.
854		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
855	=cut	1470	=cut
856		1471
857	sub register_extcmd {	1472	sub register_extcmd {
858	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
859		1474
860	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
861	}	1476	}
862		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
863	cf::player->attach (	1486	cf::player->attach (
864	on_command => sub {	1487	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
866		1489
867	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
868	or return;	1491	or return;
869		1492
…		…
874	cf::override;	1497	cf::override;
875	},	1498	},
876	on_extcmd => sub {	1499	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
878		1501
879	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1503
881	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
887	} else {	1516	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1518	}
890		1519
891	cf::override;	1520	cf::override;
892	},	1521	},
893	);	1522	);
894		1523
		1524	# "readahead" all extensions
895	sub load_extension {	1525	sub cache_extensions {
896	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
897		1527
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1531	}
923	die $@;
924	}	1532	};
925		1533
926	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;
927	}	1546	}
928		1547
929	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
930	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1557	next unless -r $path;
932	eval {	1558
933	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 $active;
		1630	}
934	1	1631	}
935	} or warn "$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	}
936	}	1644	};
937	}	1645	}
938		1646
939	#############################################################################	1647	#############################################################################
940		1648
		1649	=back
		1650
941	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
942		1652
943	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
944		1654
945	=cut	1655	=cut
946		1656
947	package cf::player;	1657	package cf::player;
948		1658
…		…
950		1660
951	=head3 cf::player	1661	=head3 cf::player
952		1662
953	=over 4	1663	=over 4
954		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
955	=item cf::player::find $login	1679	=item cf::player::find $login
956		1680
957	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
958		1682
959	=cut	1683	=cut
960		1684
961	sub playerdir($) {	1685	sub playerdir($) {
962	cf::localdir	1686	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1688	}
968		1689
969	sub path($) {	1690	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1692
972	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
973	}	1694	}
974		1695
975	sub find_active($) {	1696	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
980		1701
981	sub exists($) {	1702	sub exists($) {
982	my ($login) = @_;	1703	my ($login) = @_;
983		1704
984	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
986	}	1707	}
987		1708
988	sub find($) {	1709	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1711	my $login = $_[0];
991		1712
992	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
993		1714
994	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
998	}	1732	}
999	}	1733	}
1000	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1001		1748
1002	sub save($) {	1749	sub save($) {
1003	my ($pl) = @_;	1750	my ($pl) = @_;
1004		1751
1005	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1011		1758
1012	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1016	Coro::cede;	1768	cf::cede_to_tick;
1017	}	1769	}
1018		1770
1019	sub new($) {	1771	sub new($) {
1020	my ($login) = @_;	1772	my ($login) = @_;
1021		1773
…		…
1027	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1028		1780
1029	$self	1781	$self
1030	}	1782	}
1031		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
1032	=item $pl->quit_character	1794	=item $pl->quit_character
1033		1795
1034	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1036		1798
1037	=cut	1799	=cut
1038		1800
1039	sub quit_character {	1801	sub quit_character {
1040	my ($pl) = @_;	1802	my ($pl) = @_;
1041		1803
		1804	my $name = $pl->ob->name;
		1805
1042	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1043	$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
1044		1808
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1046	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1048	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1049		1817
1050	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1054	$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
1055	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;
1056	}	1844	}
1057		1845
1058	=item cf::player::list_logins	1846	=item cf::player::list_logins
1059		1847
1060	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
1061	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1062		1850
1063	=cut	1851	=cut
1064		1852
1065	sub list_logins {	1853	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1855	or return [];
1068		1856
1069	my @logins;	1857	my @logins;
1070		1858
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1075		1869
1076	utf8::decode $login;	1870	utf8::decode $login;
1077	push @logins, $login;	1871	push @logins, $login;
1078	}	1872	}
1079		1873
1080	\@logins	1874	\@logins
1081	}	1875	}
1082		1876
1083	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1084		1880
1085	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1086	player. May block.	1882	player. May block.
1087		1883
1088	=cut	1884	=cut
…		…
1106	}	1902	}
1107		1903
1108	\@paths	1904	\@paths
1109	}	1905	}
1110		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1112		1912
1113	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1114		1914
1115	=cut	1915	=cut
1116		1916
1117	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1119		1919
1120	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1921	}
1124		1922
1125	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	}
1126		1965
1127	=back	1966	=back
1128
1129		1967
1130	=head3 cf::map	1968	=head3 cf::map
1131		1969
1132	=over 4	1970	=over 4
1133		1971
…		…
1145	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1147		1985
1148	sub generate_random_map {	1986	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1150	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1151	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1162	(cf::region::find $rmp->{region}), $rmp->{custom}
1163	)
1164	}	1992	}
1165		1993
1166	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1167		1995
1168	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
…		…
1173		2001
1174	sub register {	2002	sub register {
1175	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	2004	my $pkg = caller;
1177		2005
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		2007
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	2009	}
1183		2010
1184	# also paths starting with '/'	2011	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		2013
1187	sub thawer_merge {	2014	sub thawer_merge {
1188	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1189		2016
1190	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1191	local $self->{path};	2018	local $self->{path};
1192	local $self->{load_path};	2019	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		2020
1196	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1197	}	2022	}
1198		2023
1199	sub normalise {	2024	sub normalise {
1200	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1201		2026
1202	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1203		2028
1204	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1205		2030
1206	# map plan:	2031	# map plan:
1207	#	2032	#
…		…
1222	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1223	$path = "$base/$path";	2048	$path = "$base/$path";
1224	}	2049	}
1225		2050
1226	for ($path) {	2051	for ($path) {
1227	redo if s{//}{/};
1228	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1229	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1230	}	2054	}
1231		2055
1232	$path	2056	$path
…		…
1246	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1247	return $self;	2071	return $self;
1248	}	2072	}
1249	}	2073	}
1250		2074
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	2076	()
1253	}	2077	}
1254		2078
		2079	# may re-bless or do other evil things
1255	sub init {	2080	sub init {
1256	my ($self) = @_;	2081	my ($self) = @_;
1257		2082
1258	$self	2083	$self
1259	}	2084	}
…		…
1271		2096
1272	# the original (read-only) location	2097	# the original (read-only) location
1273	sub load_path {	2098	sub load_path {
1274	my ($self) = @_;	2099	my ($self) = @_;
1275		2100
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1277	}	2102	}
1278		2103
1279	# the temporary/swap location	2104	# the temporary/swap location
1280	sub save_path {	2105	sub save_path {
1281	my ($self) = @_;	2106	my ($self) = @_;
1282		2107
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1285	}	2110	}
1286		2111
1287	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1288	sub uniq_path {	2113	sub uniq_path {
1289	my ($self) = @_;	2114	my ($self) = @_;
1290		2115
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1293	}	2118	}
1294		2119
1295	# and all this just because we cannot iterate over	2120	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	2121	my ($self) = @_;
1299		2122
1300	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1302	}	2126	}
1303		2127
1304	sub unlink_save {	2128	sub unlink_save {
1305	my ($self) = @_;	2129	my ($self) = @_;
1306		2130
1307	utf8::encode (my $save = $self->save_path);	2131	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2132	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2133	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2134	}
1316		2135
1317	sub load_header_from($) {	2136	sub load_header_from($) {
1318	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1319		2138
1320	utf8::encode $path;	2139	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2141	or return;
1326		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1327	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1328		2150
1329	1	2151	1
1330	}	2152	}
1331		2153
		2154	# used to laod the header of an original map
1332	sub load_header_orig {	2155	sub load_header_orig {
1333	my ($self) = @_;	2156	my ($self) = @_;
1334		2157
1335	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1336	}	2159	}
1337		2160
		2161	# used to laod the header of an instantiated map
1338	sub load_header_temp {	2162	sub load_header_temp {
1339	my ($self) = @_;	2163	my ($self) = @_;
1340		2164
1341	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1342	}	2166	}
1343		2167
		2168	# called after loading the header from an instantiated map
1344	sub prepare_temp {	2169	sub prepare_temp {
1345	my ($self) = @_;	2170	my ($self) = @_;
1346		2171
1347	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1348	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1349	# safety	2174	# safety
1350	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1351	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1352	}	2177	}
1353		2178
		2179	# called after loading the header from an original map
1354	sub prepare_orig {	2180	sub prepare_orig {
1355	my ($self) = @_;	2181	my ($self) = @_;
1356		2182
1357	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1358	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1369	$self->load_header_orig	2195	$self->load_header_orig
1370	or return;	2196	or return;
1371	$self->prepare_orig;	2197	$self->prepare_orig;
1372	}	2198	}
1373		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
1374	1	2206	1
1375	}	2207	}
1376		2208
1377	sub find;	2209	sub find;
1378	sub find {	2210	sub find {
1379	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1380		2212
		2213	cf::cede_to_tick;
		2214
1381	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1382		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2219
1385	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1388	or return;	2222	or return;
1389		2223
1390	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1391		2225
1392	$map->load_header	2226	$map->load_header
1393	or return;	2227	or return;
1394		2228
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1398	$map->reset;	2234	$map->reset;
1399	undef $guard;
1400	return find $path;	2235	return find $path;
1401	}	2236	}
1402		2237
1403	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1404	}	2239	}
1405	}	2240	}
1406		2241
1407	sub pre_load { }	2242	sub pre_load { }
1408	sub post_load { }	2243	#sub post_load { } # XS
1409		2244
1410	sub load {	2245	sub load {
1411	my ($self) = @_;	2246	my ($self) = @_;
1412		2247
1413	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1414		2249
1415	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1417		2254
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1419		2257
1420	$self->in_memory (cf::MAP_LOADING);
1421
1422	$self->alloc;	2258	$self->alloc;
1423		2259
1424	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1425		2262
1426	$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)
1427	or return;	2267	or return;
1428		2268
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1430	if delete $self->{load_original};	2270	if delete $self->{load_original};
1431		2271
1432	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2273	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2276	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1437	}	2281	}
1438	}
1439		2282
1440	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1441		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1442	# now do the right thing for maps	2292	# now do the right thing for maps
1443	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2295	unless $self->difficulty;
1453	Coro::cede;	2296	cf::cede_to_tick;
1454	$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);
1455	}	2308	}
1456		2309
1457	$self->post_load;	2310	$self->post_load;
1458		2311
1459	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1460	}	2313	}
1461		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
1462	sub customise_for {	2318	sub customise_for {
1463	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1464		2320
1465	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2322	if $self->per_player;
1467		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1468	$self	2327	$self
1469	}
1470
1471	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {
1473	my ($map) = @_;
1474
1475	my @diag; # diagonal neighbours
1476
1477	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)
1479	or next;
1480	$neigh = find $neigh, $map
1481	or next;
1482	$neigh->load;
1483
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}
1487
1488	for (@diag) {
1489	my $neigh = find @$_
1490	or next;
1491	$neigh->load;
1492	}
1493	}	2328	}
1494		2329
1495	sub find_sync {	2330	sub find_sync {
1496	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1497		2332
1498	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
1499	}	2338	}
1500		2339
1501	sub do_load_sync {	2340	sub do_load_sync {
1502	my ($map) = @_;	2341	my ($map) = @_;
1503		2342
1504	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;
1505	}	2348	}
1506		2349
1507	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1509		2352
1510	sub find_async {	2353	sub find_async {
1511	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1512		2355
1513	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1514		2357
1515	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1517	}	2360	}
1518		2361
1519	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1520	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1521	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2369	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2370	$map->load if $v;
		2371	}
1526		2372
1527	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1528	}	2374	}
1529	}	2375	}
1530	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1531	};	2377	};
1532	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1533		2379
1534	()	2380	()
1535	}	2381	}
1536		2382
		2383	# common code, used by both ->save and ->swapout
1537	sub save {	2384	sub _save {
1538	my ($self) = @_;	2385	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2386
1542	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1543		2388
1544	return unless $self->dirty;	2389	return unless $self->dirty;
1545		2390
…		…
1551	return if $self->{deny_save};	2396	return if $self->{deny_save};
1552		2397
1553	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1554		2399
1555	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1557	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1558		2406
1559	if ($uniq) {	2407	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2410	} else {
1563	$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);
1564	}	2412	}
1565	}	2413	}
1566		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1567	sub swap_out {	2423	sub swap_out {
1568	my ($self) = @_;	2424	my ($self) = @_;
1569		2425
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1575	return if $self->players;	2430	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		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
1579	$self->clear;	2441	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2442	}
1582		2443
1583	sub reset_at {	2444	sub reset_at {
1584	my ($self) = @_;	2445	my ($self) = @_;
1585		2446
1586	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1589		2449
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	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;
1592		2452
…		…
1603	my ($self) = @_;	2463	my ($self) = @_;
1604		2464
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2466
1607	return if $self->players;	2467	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2468
1610	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1611		2470
1612	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1613		2472
1614	# need to save uniques path	2473	# need to save uniques path
1615	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1616	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1617		2476
…		…
1619	if $uniq;	2478	if $uniq;
1620	}	2479	}
1621		2480
1622	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1623		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2485	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2486
1628	$self->unlink_save;	2487	$self->unlink_save;
1629	$self->destroy;	2488	$self->destroy;
1630	}	2489	}
1631		2490
1632	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1633		2492
1634	sub nuke {	2493	sub nuke {
1635	my ($self) = @_;	2494	my ($self) = @_;
1636		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1637	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1638		2500
1639	$self->unlink_save;	2501	$self->unlink_save;
1640		2502
1641	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2508
1647	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1648		2511
1649	$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	]
1650	}	2549	}
1651		2550
1652	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1653		2552
1654	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2554	instantiated unique items. May block.
1656		2555
1657	=cut	2556	=cut
1658		2557
1659	sub unique_maps() {	2558	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1661	or return;	2560	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2561	utf8::decode $_;
1667	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2564	? ()
1670	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2567	]
1672
1673	\@paths
1674	}	2568	}
1675		2569
1676	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	}
1677		2601
1678	=back	2602	=back
1679		2603
1680	=head3 cf::object	2604	=head3 cf::object
1681		2605
…		…
1685		2609
1686	=over 4	2610	=over 4
1687		2611
1688	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1689		2613
1690	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.
1691		2616
1692	=cut	2617	=cut
1693		2618
1694	sub inv_recursive_;	2619	sub inv_recursive_;
1695	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1698		2623
1699	sub inv_recursive {	2624	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1701	}	2626	}
1702		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
1703	package cf;	2656	package cf;
1704		2657
1705	=back	2658	=back
1706		2659
1707	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1713	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>
1714	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
1715	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1716		2669
1717	=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	};
1718		2685
1719	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2687	# with dialog boxes.
1721	#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
1722	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1724		2691
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2693
1727	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1729	} 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 {
1730	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1732	}	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 (@_);
1733	}	2719	}
1734		2720
1735	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1736		2722
1737	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1750		2736
1751	=item $player_object->enter_link	2737	=item $player_object->enter_link
1752		2738
1753	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}>).
1754		2740
1755	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.
1756	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.
1757		2745
1758	Will never block.	2746	Will never block.
1759		2747
1760	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1761		2749
…		…
1781	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2770	my ($self) = @_;
1783		2771
1784	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1785		2773
		2774	++$self->{_link_recursion};
		2775
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2777
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1790		2780
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2782	}
1793		2783
1794	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1796		2788
1797	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1798		2790
1799	unless ($map) {	2791	unless ($map) {
1800	# restore original map position	2792	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1813		2805
1814	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1817		2809
1818	$map->load;	2810	$map->load;
1819	$map->load_diag;
1820		2811
1821	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
1822	$self->activate_recursive;	2819	$self->activate_recursive;
1823	$self->enter_map ($map, $x, $y);
1824	}
1825
1826	cf::player->attach (
1827	on_logout => sub {
1828	my ($pl) = @_;
1829
1830	# abort map switching before logout
1831	if ($pl->ob->{_link_pos}) {
1832	cf::sync_job {
1833	$pl->ob->leave_link
1834	};
1835	}
1836	},	2820	}
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2821
1840	# try to abort aborted map switching on player login :)	2822	}
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857		2823
1858	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1859		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
1860	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1861		2838
1862	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1863	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;
1864		2850
1865	$self->enter_link;	2851	$self->enter_link;
1866		2852
1867	(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
1868	my $map = eval {	2875	my $map = eval {
1869	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1870	$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
1871	$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 $@;
1872	} or	2891	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1876	})->prio (1);	2899	})->prio (1);
1877	}	2900	}
1878		2901
1879	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1880		2903
…		…
1900	}	2923	}
1901		2924
1902	sub prepare_random_map {	2925	sub prepare_random_map {
1903	my ($exit) = @_;	2926	my ($exit) = @_;
1904		2927
1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1908	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1909	# that depends on the exit object	2930	# that depends on the exit object
1910		2931
1911	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1913	if ($exit->map) {	2934	if ($exit->map) {
1914	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1915	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1916	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1917	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1918	}	2941	}
1919		2942
1920	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1921		2944
1922	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1925		2948
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2951	undef $fh;
1929	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1930		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1931	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1932	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1933	}	2960	}
1934	}	2961	}
1935		2962
1936	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1937	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1938		2965
1939	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1940		2967
1941	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
1943	cf::sync_job { prepare_random_map $exit };
1944	}
1945
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;
1949
1950	$self->enter_link;	2968	$self->enter_link;
1951		2969
1952	(async {	2970	(async {
1953	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1954	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
1955	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1956		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
1957	1;	3009	1
1958	}) {	3010	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1960	. "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. "
1961	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1963		3015
1964	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1965	$self->leave_link;	3017	$self->leave_link;
1966	}	3018	}
1967	})->prio (1);	3019	})->prio (1);
1968	}	3020	}
1969		3021
…		…
1980		3032
1981	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1983		3035
1984	utf8::encode $text;	3036	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	3038	}
1987		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	}
1988		3257
1989	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1990		3259
1991	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1992	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>,
1993	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>.
1994		3263
1995	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
1996	reliable at some point in the future.	3265	become reliable at some point in the future.
1997		3266
1998	=cut	3267	=cut
1999		3268
2000	sub cf::client::query {	3269	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	3278	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		3280
2012	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2014	}	3285	}
2015		3286
2016	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	},
2017	on_reply => sub {	3293	on_reply => sub {
2018	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2019		3295
2020	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2021	# get handled first	3297	# get handled first
…		…
2033	} else {	3309	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	3311	}
2036	}	3312	}
2037	},	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	},
2038	);	3337	);
2039		3338
2040	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2041		3340
2042	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2058		3357
2059	$coro	3358	$coro
2060	}	3359	}
2061		3360
2062	cf::client->attach (	3361	cf::client->attach (
2063	on_destroy => sub {	3362	on_client_destroy => sub {
2064	my ($ns) = @_;	3363	my ($ns) = @_;
2065		3364
2066	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2067	},	3366	},
2068	);	3367	);
…		…
2083	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2085		3384
2086	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2087		3386
2088	$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	));
2089		3392
2090	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2091		3394
2092	=pod	3395	=pod
2093		3396
2094	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2095		3398
2096	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
2097	cf::object::player player	3404	cf::object::player
2098	cf::player peaceful	3405	player
2099	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2100		3412
2101	=cut	3413	=cut
2102		3414
2103	for (	3415	for (
2104	["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)],
2105	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2107	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2108	) {	3422	) {
2109	no strict 'refs';
2110	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2111	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2112	for @funs;	3425	for @funs;
2113	}	3426	}
2114		3427
…		…
2129		3442
2130	my $qcode = $code;	3443	my $qcode = $code;
2131	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2132	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2133		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2134	local $_;	3450	local $_;
2135	local @safe::cf::_safe_eval_args = values %vars;
2136		3451
2137	my $eval =	3452	my $eval =
2138	"do {\n"	3453	"do {\n"
2139	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2140	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2141	. $code	3456	. $code
2142	. "\n}"	3457	. "\n}"
2143	;	3458	;
2144		3459
		3460	if ($CFG{safe_eval}) {
2145	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2146	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2147	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	}
2148		3469
2149	if ($@) {	3470	if ($@) {
2150	warn "$@";	3471	warn "$@",
2151	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2152	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2153	}	3474	}
2154		3475
2155	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2156	}	3477	}
2157		3478
…		…
2171	=cut	3492	=cut
2172		3493
2173	sub register_script_function {	3494	sub register_script_function {
2174	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2175		3496
2176	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2177	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2178	}	3499	}
2179		3500
2180	=back	3501	=back
2181		3502
2182	=cut	3503	=cut
2183
2184	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255		3504
2256	#############################################################################	3505	#############################################################################
2257	# the server's init and main functions	3506	# the server's init and main functions
2258		3507
		3508	sub load_facedata($) {
		3509	my ($path) = @_;
		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
		3517	trace "loading facedata from $path\n";
		3518
		3519	my $facedata = decode_storable load_file $path;
		3520
		3521	$facedata->{version} == 2
		3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
		3533	{
		3534	my $faces = $facedata->{faceinfo};
		3535
		3536	while (my ($face, $info) = each %$faces) {
		3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
		3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
		3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3544
		3545	cf::cede_to_tick;
		3546	}
		3547
		3548	while (my ($face, $info) = each %$faces) {
		3549	next unless $info->{smooth};
		3550
		3551	my $idx = cf::face::find $face
		3552	or next;
		3553
		3554	if (my $smooth = cf::face::find $info->{smooth}) {
		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	}
		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
2259	sub load_resources {	3608	sub load_resource_file($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2261	or die "unable to load regions file\n";#d#	3624	or die "unable to load regions file\n";
2262	}
2263		3625
2264	sub cfg_load {	3626	for (cf::region::list) {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3627	$_->{match} = qr/$_->{match}/
2266	or return;	3628	if exists $_->{match};
		3629	}
		3630	}
2267		3631
2268	local $/;	3632	sub reload_facedata {
2269	*CFG = YAML::Syck::Load <$fh>;	3633	load_facedata "$DATADIR/facedata"
		3634	or die "unable to load facedata\n";
		3635	}
2270		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
2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2272		3689
2273	$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};
2274	$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};
2275		3692
2276	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2280	};	3697	};
2281	warn $@ if $@;	3698	warn $@ if $@;
2282	}	3699	}
2283	}	3700	}
2284		3701
2285	sub init {	3702	sub pidfile() {
2286	load_resources;	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;
2287	}	3728	}
2288		3729
2289	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
2290	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2292	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#
2293	(async {	3743	(async {
2294	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2296	};	3747	};
2297		3748
2298	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		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;
2299	db_init;	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
2300	load_extensions;	3772	load_extensions;
2301		3773
2302	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2303	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;
2304	}	3791	}
2305		3792
2306	#############################################################################	3793	#############################################################################
2307	# initialisation and cleanup	3794	# initialisation and cleanup
2308		3795
2309	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2310	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2319	},
2320	);	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
2321	}	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 };
2322	}	3892	}
2323		3893
2324	sub emergency_save() {	3894	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2326		3896
2327	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;
2328		3903
2329	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2330	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2331	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2332	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2334	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3915	$pl->save;
2338	}	3916	}
2339	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2340		3918
2341	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";
2342	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2343	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2344	$map->valid or next;	3924	$map->valid or next;
2345	$map->save;	3925	$map->save;
2346	}	3926	}
2347	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2348		3928
2349	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2350	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2351	warn "end emergency database checkpoint\n";	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
2352	};	3957	};
2353		3958
2354	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2355	}	3960	}
2356		3961
2357	sub post_cleanup {	3962	sub post_cleanup {
2358	my ($make_core) = @_;	3963	my ($make_core) = @_;
2359		3964
		3965	IO::AIO::flush;
		3966
2360	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3968	if $make_core;
2362	}
2363		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
2364	sub reload() {	3999	sub do_reload_perl() {
2365	# can/must only be called in main	4000	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2367	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2368	return;	4003	return;
2369	}	4004	}
2370		4005
2371	warn "reloading...";	4006	return if $RELOAD++;
2372		4007
2373	warn "entering sync_job";	4008	my $t1 = AE::time;
2374		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2375	cf::sync_job {	4016	cf::sync_job {
2376	cf::write_runtime; # external watchdog should not bark
2377	cf::emergency_save;	4017	#cf::emergency_save;
2378	cf::write_runtime; # external watchdog should not bark
2379		4018
2380	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;
2382
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "flushing outstanding aio requests";
2391	for (;;) {
2392	BDB::flush;
2393	IO::AIO::flush;
2394	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";
2397	}
2398
2399	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	4021	%EXT_CORO = ();
2402		4022
2403	warn "removing commands";	4023	trace "perl_reload: removing commands";
2404	%COMMAND = ();	4024	%COMMAND = ();
2405		4025
2406	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2407	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2408		4029
2409	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2412		4033
2413	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2414	eval {	4035	eval {
2415	$cb->($pkg);	4036	$cb->($pkg);
2416	1	4037	1
2417	} 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;
2418	}	4043	}
2419		4044
2420	warn "... nuking $pkg";
2421	Symbol::delete_package $pkg;
2422	}
2423
2424	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2425	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427		4048
2428	warn "... unloading $k";	4049	trace "... unloading $k";
2429	delete $INC{$k};	4050	delete $INC{$k};
2430		4051
2431	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2432	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2433		4054
2434	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2435	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2436	}	4060	}
2437		4061
2438	Symbol::delete_package $k;
2439	}
2440
2441	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2442	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2443	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);
2444		4065
2445	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
		4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447		4069
2448	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2449	# and global variables created in xs	4071	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2451		4073
2452	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2453		4075
2454	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2455	require cf;	4077	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2457		4079
2458	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2459	cf::cfg_load;	4081	cf::reload_config;
2460		4082
2461	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2462	cf::load_extensions;	4084	cf::load_extensions;
2463		4085
		4086	if ($REATTACH_ON_RELOAD) {
2464	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2465	_global_reattach;	4088	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2467	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
		4091	trace "perl_reload: reattaching attachments to players";
		4092	reattach $_ for values %PLAYER;
		4093	}
2468		4094
2469	warn "loading reloadable resources";	4095	cf::_post_init 1;
2470	load_resources;
2471		4096
2472	warn "leaving sync_job";	4097	trace "perl_reload: leaving sync_job";
2473		4098
2474	1	4099	1
2475	} or do {	4100	} or do {
2476	warn $@;	4101	error $@;
2477	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
2478	exit 1;	4103	};
		4104
		4105	--$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	};
2479	};	4125	};
2480		4126	}
2481	warn "reloaded";
2482	};
2483
2484	our $RELOAD_WATCHER; # used only during reload
2485		4127
2486	register_command "reload" => sub {	4128	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2488		4130
2489	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
2491		4133	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	4134	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	4135	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	4136	};
2504	}	4137	}
2505	};	4138	};
2506		4139
2507	unshift @INC, $LIBDIR;	4140	#############################################################################
2508		4141
2509	my $bug_warning = 0;	4142	my $bug_warning = 0;
2510		4143
2511	$TICK_WATCHER = Event->timer (	4144	sub wait_for_tick() {
2512	reentrant => 0,	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2513	parked => 1,	4146
2514	prio => 0,	4147	$WAIT_FOR_TICK->wait;
2515	at => $NEXT_TICK || $TICK,	4148	}
2516	data => WF_AUTOCANCEL,	4149
2517	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	$signal->wait;
		4156	}
		4157
		4158	sub tick {
2518	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2521	return;	4162	return;
2522	}	4163	}
2523		4164
2524	$NOW = Event::time;	4165	cf::one_tick; # one server iteration
2525		4166
2526	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;
2529		4168
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532	Coro::async_pool {	4171	Coro::async_pool {
		4172	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	4173	write_runtime_sync
2534	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
2535	};
2536	}	4175	};
		4176	}
2537		4177
2538		4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4179	$sig->send;
		4180	}
2539	$WAIT_FOR_TICK->broadcast;	4181	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541		4182
2542	# my $AFTER = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2543	# warn $AFTER - $NOW;#d#	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2544		4185
2545	# if we are delayed by four ticks or more, skip them all	4186	if (0) {
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4187	if ($NEXT_TICK) {
2547		4188	my $jitter = $TICK_START - $NEXT_TICK;
2548	$TICK_WATCHER->at ($NEXT_TICK);	4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2549	$TICK_WATCHER->start;	4190	debug "jitter $JITTER\n";#d#
		4191	}
2550	},	4192	}
2551	);	4193	}
2552		4194
2553	{	4195	{
2554	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
2555	$BDB_POLL_WATCHER = Event->io (	4197
2556	reentrant => 0,
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
2564		4199	BDB::max_poll_reqs $TICK * 0.1;
2565	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
2566	my $status;
2567	my $current = $Coro::current;
2568	(
2569	sub {
2570	$status = $!;
2571	$current->ready; undef $current;
2572	},
2573	sub {
2574	Coro::schedule while defined $current;
2575	$! = $status;
2576	},
2577	)
2578	};
2579		4201
2580	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	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);
2582		4209
2583	cf::sync_job {	4210	cf::sync_job {
2584	eval {	4211	eval {
2585	BDB::db_env_open	4212	BDB::db_env_open
2586	$DB_ENV,	4213	$DB_ENV,
2587	$BDB_ENV_DIR,	4214	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	4217	0666;
2591		4218
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	4220	};
2597		4221
2598	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	4223	};
2600	}	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	};
2601	}	4235	}
2602		4236
2603	{	4237	{
		4238	# configure IO::AIO
		4239
2604	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
2605
2606	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
2609	reentrant => 0,
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	4243	}
		4244
		4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
		4247
		4248	sub _log_backtrace {
		4249	my ($msg, @addr) = @_;
		4250
		4251	$msg =~ s/\n$//;
		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4256	# limit the # of concurrent backtraces
		4257	} elsif ($_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] $msg\n";
		4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4289	}
		4290	}
		4291
		4292	# load additional modules
		4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
2617		4295
2618	END { cf::emergency_save }	4296	END { cf::emergency_save }
2619		4297
2620	1	4298	1
2621		4299

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