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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	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;
62	our $NOW;	139	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		140
65	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		144
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
85	binmode STDOUT;	161	binmode STDOUT;
86	binmode STDERR;	162	binmode STDERR;
87		163
88	# read virtual server time, if available	164	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
93	}	169	}
94		170
95	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	172
97	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		175
102	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
103		177
104	sub cf::map::normalise;	178	sub cf::map::normalise;
105		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
106	#############################################################################	184	#############################################################################
107		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
108	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
109		198
110	=over 4	199	=over 4
111		200
112	=item $cf::UPTIME	201	=item $cf::UPTIME
113		202
114	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.
115		219
116	=item $cf::RUNTIME	220	=item $cf::RUNTIME
117		221
118	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
119	every server tick.	223	every server tick.
120		224
121	=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
122		228
123	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		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
126	=item $cf::NOW	240	=item $cf::LOAD
127		241
128	The time of the last (current) server tick.	242	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		243
134	=item %cf::CFG	244	=item %cf::CFG
135		245
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	247	from wherever your confdir points to.
138		248
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		250
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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.
145		283
146	=back	284	=back
147		285
148	=cut	286	=cut
149		287
150	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	295	my $msg = join "", @_;
153	utf8::encode $msg;
154		296
155	$msg .= "\n"	297	$msg .= "\n"
156	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
157		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
158	LOG llevError, $msg;	302	LOG llevWarn, $msg;
159	};	303	};
160	}	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	};
161		318
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		326
169	# 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
170	# within the Safe compartment.	328	# within the Safe compartment.
171	for my $pkg (qw(	329	for my $pkg (qw(
172	cf::global cf::attachable	330	cf::global cf::attachable
173	cf::object cf::object::player	331	cf::object cf::object::player
174	cf::client cf::player	332	cf::client cf::player
175	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
176	cf::map cf::party cf::region	335	cf::party cf::region
177	)) {	336	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	338	}
181		339
182	$Event::DIED = sub {	340	$EV::DIED = sub {
183	warn "error in event callback: @_";	341	warn "error in event callback: $@";
184	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
185		350
186	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
187		352
188	=over 4	353	=over 4
189		354
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	374	$d
210	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
211	}	376	}
212		377
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
214		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
215	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
216		431
217	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
218		433
219	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
220		435
221	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
222		437
		438	=cut
		439
		440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		441
		442	sub encode_json($) { $json_coder->encode ($_[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	}
		505	}
		506
223	=item cf::lock_wait $string	507	=item cf::lock_wait $string
224		508
225	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
226		510
227	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
228		512
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
232	returned.	516	returned.
233		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
234	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
235	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
236		523
237	=cut	524	=item $locked = cf::lock_active $string
238		525
239	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
240		531
241	sub lock_wait($) {	532	sub lock_wait($) {
242	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	534	}
250		535
251	sub lock_acquire($) {	536	sub lock_acquire($) {
252	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
253		539
254	# wait, to be sure we are not locked	540	sub lock_active($) {
255	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	542	}
264		543
265	sub freeze_mainloop {	544	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
267		546
268	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
270	};	617	}
271	$TICK_WATCHER->stop;	618	};
272	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
273	}	633	}
274		634
275	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
276		636
277	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		642
283	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
284		644
285	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
286		646
287	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
290		651
291	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
294	fast or be very important.	655	fast or be very important.
…		…
296	=cut	657	=cut
297		658
298	sub sync_job(&) {	659	sub sync_job(&) {
299	my ($job) = @_;	660	my ($job) = @_;
300		661
301	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
302	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
304		667
305	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	669
307	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
308		671
309	my $busy = 1;	672	my $busy = 1;
310	my @res;	673	my @res;
311		674
312	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	677	@res = eval { $job->() };
314	warn $@ if $@;	678	error $@ if $@;
315	undef $busy;	679	undef $busy;
316	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
317		681
318	while ($busy) {	682	while ($busy) {
319	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
320	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
321		693
322	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
323	} else {	695	} else {
324	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
325		697
…		…
345	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
346		718
347	$coro	719	$coro
348	}	720	}
349		721
350	sub write_runtime {	722	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		723
353	my $runtime = cf::localdir . "/runtime";	724	Executes the given code block with the given arguments in a seperate
		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.
354		728
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	=cut
356	or return;
357		730
358	my $value = $cf::RUNTIME + 90 + 10;	731	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	732	reset_signals;
360	# 60 allows for the watchdog to kill the server.	733	}
361		734
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub fork_call(&@) {
363	and return;	736	my ($cb, @args) = @_;
364		737
365	# always fsync - this file is important	738	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	739	# otherwise perl prematurely frees the stuff :/
367	and return;	740	# TODO: investigate and fix (likely this will be rather laborious)
368		741
369	close $fh	742	my @res = Coro::Util::fork_eval {
370	or return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
371		746
372	aio_rename "$runtime~", $runtime	747	wantarray ? @res : $res[-1]
373	and return;	748	}
374		749
		750	sub objinfo {
375	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"
376	}	914	}
377		915
378	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
379		917
380	Log a datalog packet of the given type with the given key-value pairs.	918	Log a datalog packet of the given type with the given key-value pairs.
381		919
382	=cut	920	=cut
383		921
384	sub datalog($@) {	922	sub datalog($@) {
385	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	925	}
388		926
389	=back	927	=back
390		928
391	=cut	929	=cut
392		930
393	#############################################################################	931	#############################################################################
394		932
395	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
396		934
397	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
398	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")
399	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
400		938
401	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>
402	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
403	crossfire+).	941	Deliantra).
404		942
405	=over 4	943	=over 4
406		944
407	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
408		946
…		…
452	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
453		991
454	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
456		994
457	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		997
460	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
461		999
462	=over 4	1000	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
572		1110
573	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1115
578	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
580		1118
581	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
586		1124
587	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1127
590	} elsif (ref $type) {	1128	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
592		1130
593	} else {	1131	} else {
594	shift @arg;	1132	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
596	}	1134	}
597	}	1135	}
598	}	1136	}
599		1137
600	sub _object_attach {	1138	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
611	}	1149	}
612		1150
613	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
614	} else {	1152	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1154	}
617		1155
618	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
619	}	1157	}
620		1158
…		…
622	if (ref $_[0]) {	1160	if (ref $_[0]) {
623	_object_attach @_;	1161	_object_attach @_;
624	} else {	1162	} else {
625	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
626	}	1164	}
		1165	_recalc_want;
627	};	1166	};
628		1167
629	# all those should be optimised	1168	# all those should be optimised
630	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1174	reattach ($obj);
636	} else {	1175	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
638	}	1177	}
		1178	_recalc_want;
639	};	1179	};
640		1180
641	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
643		1183
…		…
658	";	1198	";
659	die if $@;	1199	die if $@;
660	}	1200	}
661		1201
662	our $override;	1202	our $override;
663	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?
664		1204
665	sub override {	1205	sub override {
666	$override = 1;	1206	$override = 1;
667	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
668	}	1208	}
669		1209
670	sub do_invoke {	1210	sub do_invoke {
671	my $event = shift;	1211	my $event = shift;
672	my $callbacks = shift;	1212	my $callbacks = shift;
673		1213
674	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
675		1215
676	local $override;	1216	local $override;
677		1217
678	for (@$callbacks) {	1218	for (@$callbacks) {
679	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
680		1220
681	if ($@) {	1221	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1223	override;
685	}	1224	}
686		1225
687	return 1 if $override;	1226	return 1 if $override;
688	}	1227	}
689		1228
690	0	1229	0
691	}	1230	}
692		1231
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1233
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1235
697	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
698		1237
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1241
703	=back	1242	=back
704		1243
705	=cut	1244	=cut
706		1245
707	#############################################################################	1246	#############################################################################
708	# 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, $ob2
		1289	}
709		1290
710	sub reattach {	1291	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1293	my ($obj) = @_;
713		1294
		1295	# no longer needed after getting rid of delete_package?
714	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
715		1297
716	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
717		1299
718	@$registry = ();	1300	@$registry = ();
719		1301
…		…
724	for (@$attach) {	1306	for (@$attach) {
725	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
727	}	1309	}
728	} else {	1310	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1312	}
731	}	1313	}
732	}	1314	}
733		1315
734	cf::attachable->attach (	1316	cf::attachable->attach (
735	prio => -1000000,	1317	prio => -1000000,
736	on_instantiate => sub {	1318	on_instantiate => sub {
737	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
738		1320
739	$data = from_json $data;	1321	$data = decode_json $data;
740		1322
741	for (@$data) {	1323	for (@$data) {
742	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
743		1325
744	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1342	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
762		1344
763	sync_job {	1345	sync_job {
764	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
767		1351
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1359	aio_close $fh;
773		1360
774	if (@$objs) {	1361	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1370	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
782	}	1372	}
783	} else {	1373	} else {
784	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
785	}	1375	}
786		1376
787	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1381	} else {
789	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
790	}	1383	}
791	} else {	1384	} else {
792	aio_unlink $filename;	1385	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
794	}	1387	}
795	}	1388	};
796	}	1389	}
797		1390
798	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
800		1393
…		…
812	or return;	1405	or return;
813		1406
814	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
816	or return;	1409	or return;
		1410
817	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
818	}	1413	}
819		1414
		1415	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
822	return ($data, $av);	1420	($data, $av)
823	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
824		1428
825	#############################################################################	1429	#############################################################################
826	# command handling &c	1430	# command handling &c
827		1431
828	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1446	}
843		1447
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1449
846	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.
847		1455
848	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
849	called.	1457	called.
850		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
851	=cut	1470	=cut
852		1471
853	sub register_extcmd {	1472	sub register_extcmd {
854	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
855		1474
856	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
857	}	1476	}
858		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
859	cf::player->attach (	1486	cf::player->attach (
860	on_command => sub {	1487	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
862		1489
863	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
864	or return;	1491	or return;
865		1492
…		…
870	cf::override;	1497	cf::override;
871	},	1498	},
872	on_extcmd => sub {	1499	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
874		1501
875	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1503
877	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
883	} else {	1516	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1518	}
886		1519
887	cf::override;	1520	cf::override;
888	},	1521	},
889	);	1522	);
890		1523
		1524	# "readahead" all extensions
891	sub load_extension {	1525	sub cache_extensions {
892	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
893		1527
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1531	}
919	die $@;
920	}	1532	};
921		1533
922	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;
923	}	1546	}
924		1547
925	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
926	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1557	next unless -r $path;
928	eval {	1558
929	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 $active;
		1630	}
930	1	1631	}
931	} or warn "$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	}
932	}	1644	};
933	}	1645	}
934		1646
935	#############################################################################	1647	#############################################################################
936		1648
		1649	=back
		1650
937	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
938		1652
939	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
940		1654
941	=cut	1655	=cut
942		1656
943	package cf::player;	1657	package cf::player;
944		1658
…		…
946		1660
947	=head3 cf::player	1661	=head3 cf::player
948		1662
949	=over 4	1663	=over 4
950		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
951	=item cf::player::find $login	1679	=item cf::player::find $login
952		1680
953	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
954		1682
955	=cut	1683	=cut
956		1684
957	sub playerdir($) {	1685	sub playerdir($) {
958	cf::localdir	1686	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1688	}
964		1689
965	sub path($) {	1690	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1692
968	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
969	}	1694	}
970		1695
971	sub find_active($) {	1696	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
976		1701
977	sub exists($) {	1702	sub exists($) {
978	my ($login) = @_;	1703	my ($login) = @_;
979		1704
980	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
982	}	1707	}
983		1708
984	sub find($) {	1709	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1711	my $login = $_[0];
987		1712
988	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
989		1714
990	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
994	}	1732	}
995	}	1733	}
996	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
997		1748
998	sub save($) {	1749	sub save($) {
999	my ($pl) = @_;	1750	my ($pl) = @_;
1000		1751
1001	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1007		1758
1008	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1012	Coro::cede;	1768	cf::cede_to_tick;
1013	}	1769	}
1014		1770
1015	sub new($) {	1771	sub new($) {
1016	my ($login) = @_;	1772	my ($login) = @_;
1017		1773
…		…
1023	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1024		1780
1025	$self	1781	$self
1026	}	1782	}
1027		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
1028	=item $pl->quit_character	1794	=item $pl->quit_character
1029		1795
1030	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1032		1798
…		…
1036	my ($pl) = @_;	1802	my ($pl) = @_;
1037		1803
1038	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1039		1805
1040	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1041	$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
1042		1808
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1046	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1047		1817
1048	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1080		1850
1081	=cut	1851	=cut
1082		1852
1083	sub list_logins {	1853	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1855	or return [];
1086		1856
1087	my @logins;	1857	my @logins;
1088		1858
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1093		1869
1094	utf8::decode $login;	1870	utf8::decode $login;
1095	push @logins, $login;	1871	push @logins, $login;
1096	}	1872	}
1097		1873
1098	\@logins	1874	\@logins
1099	}	1875	}
1100		1876
1101	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1102		1880
1103	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1104	player. May block.	1882	player. May block.
1105		1883
1106	=cut	1884	=cut
…		…
1124	}	1902	}
1125		1903
1126	\@paths	1904	\@paths
1127	}	1905	}
1128		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1129	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1130		1912
1131	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1132		1914
1133	=cut	1915	=cut
1134		1916
1135	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1137		1919
1138	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1921	}
1142		1922
1143	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1144		1924
1145	Sends an ext event to the client.	1925	Sends an ext event to the client.
1146		1926
1147	=cut	1927	=cut
1148		1928
1149	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1151		1931
1152	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1153	}	1933	}
1154		1934
1155	package cf;	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	}
1156		1965
1157	=back	1966	=back
1158
1159		1967
1160	=head3 cf::map	1968	=head3 cf::map
1161		1969
1162	=over 4	1970	=over 4
1163		1971
…		…
1175	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1177		1985
1178	sub generate_random_map {	1986	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1180	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1181	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1185	$rmp->{exit_on_final_map},
1186	$rmp->{xsize}, $rmp->{ysize},
1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1192	(cf::region::find $rmp->{region}), $rmp->{custom}
1193	)
1194	}	1992	}
1195		1993
1196	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1197		1995
1198	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
…		…
1203		2001
1204	sub register {	2002	sub register {
1205	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1206	my $pkg = caller;	2004	my $pkg = caller;
1207		2005
1208	no strict;
1209	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1210		2007
1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1212	}	2009	}
1213		2010
1214	# also paths starting with '/'	2011	# also paths starting with '/'
1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1216		2013
1217	sub thawer_merge {	2014	sub thawer_merge {
1218	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1219		2016
1220	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1221	local $self->{path};	2018	local $self->{path};
1222	local $self->{load_path};	2019	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		2020
1226	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1227	}	2022	}
1228		2023
1229	sub normalise {	2024	sub normalise {
1230	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1231		2026
1232	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1233		2028
1234	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1235		2030
1236	# map plan:	2031	# map plan:
1237	#	2032	#
…		…
1252	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1253	$path = "$base/$path";	2048	$path = "$base/$path";
1254	}	2049	}
1255		2050
1256	for ($path) {	2051	for ($path) {
1257	redo if s{//}{/};
1258	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1259	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1260	}	2054	}
1261		2055
1262	$path	2056	$path
…		…
1276	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1277	return $self;	2071	return $self;
1278	}	2072	}
1279	}	2073	}
1280		2074
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1282	()	2076	()
1283	}	2077	}
1284		2078
		2079	# may re-bless or do other evil things
1285	sub init {	2080	sub init {
1286	my ($self) = @_;	2081	my ($self) = @_;
1287		2082
1288	$self	2083	$self
1289	}	2084	}
…		…
1301		2096
1302	# the original (read-only) location	2097	# the original (read-only) location
1303	sub load_path {	2098	sub load_path {
1304	my ($self) = @_;	2099	my ($self) = @_;
1305		2100
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1307	}	2102	}
1308		2103
1309	# the temporary/swap location	2104	# the temporary/swap location
1310	sub save_path {	2105	sub save_path {
1311	my ($self) = @_;	2106	my ($self) = @_;
1312		2107
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1315	}	2110	}
1316		2111
1317	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1318	sub uniq_path {	2113	sub uniq_path {
1319	my ($self) = @_;	2114	my ($self) = @_;
1320		2115
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1323	}	2118	}
1324		2119
1325	# and all this just because we cannot iterate over	2120	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	2121	my ($self) = @_;
1329		2122
1330	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1332	}	2126	}
1333		2127
1334	sub unlink_save {	2128	sub unlink_save {
1335	my ($self) = @_;	2129	my ($self) = @_;
1336		2130
…		…
1341		2135
1342	sub load_header_from($) {	2136	sub load_header_from($) {
1343	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1344		2138
1345	utf8::encode $path;	2139	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	2141	or return;
1351		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1352	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1353		2150
1354	1	2151	1
1355	}	2152	}
1356		2153
		2154	# used to laod the header of an original map
1357	sub load_header_orig {	2155	sub load_header_orig {
1358	my ($self) = @_;	2156	my ($self) = @_;
1359		2157
1360	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1361	}	2159	}
1362		2160
		2161	# used to laod the header of an instantiated map
1363	sub load_header_temp {	2162	sub load_header_temp {
1364	my ($self) = @_;	2163	my ($self) = @_;
1365		2164
1366	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1367	}	2166	}
1368		2167
		2168	# called after loading the header from an instantiated map
1369	sub prepare_temp {	2169	sub prepare_temp {
1370	my ($self) = @_;	2170	my ($self) = @_;
1371		2171
1372	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1373	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1374	# safety	2174	# safety
1375	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1376	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1377	}	2177	}
1378		2178
		2179	# called after loading the header from an original map
1379	sub prepare_orig {	2180	sub prepare_orig {
1380	my ($self) = @_;	2181	my ($self) = @_;
1381		2182
1382	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1383	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1394	$self->load_header_orig	2195	$self->load_header_orig
1395	or return;	2196	or return;
1396	$self->prepare_orig;	2197	$self->prepare_orig;
1397	}	2198	}
1398		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 $self->default_region;
		2205
1399	1	2206	1
1400	}	2207	}
1401		2208
1402	sub find;	2209	sub find;
1403	sub find {	2210	sub find {
1404	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1405		2212
		2213	cf::cede_to_tick;
		2214
1406	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1407		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1409		2219
1410	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1413	or return;	2222	or return;
1414		2223
1415	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1416		2225
1417	$map->load_header	2226	$map->load_header
1418	or return;	2227	or return;
1419		2228
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1423	$map->reset;	2234	$map->reset;
1424	undef $guard;
1425	return find $path;	2235	return find $path;
1426	}	2236	}
1427		2237
1428	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1429	}	2239	}
1430	}	2240	}
1431		2241
1432	sub pre_load { }	2242	sub pre_load { }
1433	sub post_load { }	2243	#sub post_load { } # XS
1434		2244
1435	sub load {	2245	sub load {
1436	my ($self) = @_;	2246	my ($self) = @_;
1437		2247
1438	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1439		2249
1440	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1442		2254
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1444		2257
1445	$self->in_memory (cf::MAP_LOADING);
1446
1447	$self->alloc;	2258	$self->alloc;
1448		2259
1449	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1450		2262
1451	$self->_load_objects ($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)
1452	or return;	2267	or return;
1453		2268
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1455	if delete $self->{load_original};	2270	if delete $self->{load_original};
1456		2271
1457	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2273	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2276	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1462	}	2281	}
1463	}
1464		2282
1465	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1466		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1467	# now do the right thing for maps	2292	# now do the right thing for maps
1468	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2295	unless $self->difficulty;
1478	Coro::cede;	2296	cf::cede_to_tick;
1479	$self->activate;	2297
		2298	unless ($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);
1480	}	2308	}
1481		2309
1482	$self->post_load;	2310	$self->post_load;
1483		2311
1484	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1485	}	2313	}
1486		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1487	sub customise_for {	2318	sub customise_for {
1488	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1489		2320
1490	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2322	if $self->per_player;
1492		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1493	$self	2327	$self
1494	}
1495
1496	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {
1498	my ($map) = @_;
1499
1500	my @diag; # diagonal neighbours
1501
1502	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)
1504	or next;
1505	$neigh = find $neigh, $map
1506	or next;
1507	$neigh->load;
1508
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}
1512
1513	for (@diag) {
1514	my $neigh = find @$_
1515	or next;
1516	$neigh->load;
1517	}
1518	}	2328	}
1519		2329
1520	sub find_sync {	2330	sub find_sync {
1521	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1522		2332
1523	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, $origin
1524	}	2338	}
1525		2339
1526	sub do_load_sync {	2340	sub do_load_sync {
1527	my ($map) = @_;	2341	my ($map) = @_;
1528		2342
1529	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;
1530	}	2348	}
1531		2349
1532	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1534		2352
1535	sub find_async {	2353	sub find_async {
1536	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1537		2355
1538	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1539		2357
1540	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1542	}	2360	}
1543		2361
1544	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1545	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1546	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2369	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2370	$map->load if $v;
		2371	}
1551		2372
1552	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1553	}	2374	}
1554	}	2375	}
1555	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1556	};	2377	};
1557	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1558		2379
1559	()	2380	()
1560	}	2381	}
1561		2382
		2383	# common code, used by both ->save and ->swapout
1562	sub save {	2384	sub _save {
1563	my ($self) = @_;	2385	my ($self) = @_;
1564
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1566		2386
1567	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1568		2388
1569	return unless $self->dirty;	2389	return unless $self->dirty;
1570		2390
…		…
1576	return if $self->{deny_save};	2396	return if $self->{deny_save};
1577		2397
1578	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1579		2399
1580	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1582	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1583		2406
1584	if ($uniq) {	2407	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2410	} else {
1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1589	}	2412	}
1590	}	2413	}
1591		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1592	sub swap_out {	2423	sub swap_out {
1593	my ($self) = @_;	2424	my ($self) = @_;
1594		2425
1595	# save first because save cedes
1596	$self->save;
1597
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1600	return if $self->players;	2430	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};
1603		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
1604	$self->clear;	2441	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2442	}
1607		2443
1608	sub reset_at {	2444	sub reset_at {
1609	my ($self) = @_;	2445	my ($self) = @_;
1610		2446
1611	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1614		2449
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2452
…		…
1628	my ($self) = @_;	2463	my ($self) = @_;
1629		2464
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2466
1632	return if $self->players;	2467	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2468
1635	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1636		2470
1637	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1638		2472
1639	# need to save uniques path	2473	# need to save uniques path
1640	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1641	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1642		2476
…		…
1644	if $uniq;	2478	if $uniq;
1645	}	2479	}
1646		2480
1647	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1648		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2485	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2486
1653	$self->unlink_save;	2487	$self->unlink_save;
1654	$self->destroy;	2488	$self->destroy;
1655	}	2489	}
1656		2490
1657	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1658		2492
1659	sub nuke {	2493	sub nuke {
1660	my ($self) = @_;	2494	my ($self) = @_;
1661		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1662	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1663		2500
1664	$self->unlink_save;	2501	$self->unlink_save;
1665		2502
1666	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1667	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2508
1672	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1673		2511
1674	$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	]
1675	}	2549	}
1676		2550
1677	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1678		2552
1679	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2554	instantiated unique items. May block.
1681		2555
1682	=cut	2556	=cut
1683		2557
1684	sub unique_maps() {	2558	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1686	or return;	2560	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2561	utf8::decode $_;
1692	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2564	? ()
1695	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2567	]
1697
1698	\@paths
1699	}	2568	}
1700		2569
1701	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	}
1702		2601
1703	=back	2602	=back
1704		2603
1705	=head3 cf::object	2604	=head3 cf::object
1706		2605
…		…
1710		2609
1711	=over 4	2610	=over 4
1712		2611
1713	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1714		2613
1715	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.
1716		2616
1717	=cut	2617	=cut
1718		2618
1719	sub inv_recursive_;	2619	sub inv_recursive_;
1720	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1723		2623
1724	sub inv_recursive {	2624	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1726	}	2626	}
1727		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
1728	package cf;	2656	package cf;
1729		2657
1730	=back	2658	=back
1731		2659
1732	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1738	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>
1739	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
1740	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1741		2669
1742	=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	};
1743		2685
1744	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2687	# with dialog boxes.
1746	#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
1747	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1749		2691
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2693
1752	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1754	} 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 {
1755	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1757	}	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 (@_);
1758	}	2719	}
1759		2720
1760	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1761		2722
1762	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1775		2736
1776	=item $player_object->enter_link	2737	=item $player_object->enter_link
1777		2738
1778	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}>).
1779		2740
1780	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.
1781	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.
1782		2745
1783	Will never block.	2746	Will never block.
1784		2747
1785	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1786		2749
…		…
1806	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1807	my ($self) = @_;	2770	my ($self) = @_;
1808		2771
1809	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1810		2773
		2774	++$self->{_link_recursion};
		2775
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2777
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1815		2780
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1817	}	2782	}
1818		2783
1819	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1821		2788
1822	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1823		2790
1824	unless ($map) {	2791	unless ($map) {
1825	# restore original map position	2792	# restore original map position
…		…
1836	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1837	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1838		2805
1839	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1842		2809
1843	$map->load;	2810	$map->load;
1844	$map->load_diag;
1845		2811
1846	return unless $self->contr->active;	2812	return unless $self->contr->active;
1847	$self->activate_recursive;
1848		2813
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1851	}	2816	# entering was successful
1852		2817	delete $self->{_link_recursion};
1853	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1854	on_logout => sub {	2819	$self->activate_recursive;
1855	my ($pl) = @_;
1856
1857	# abort map switching before logout
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},	2820	}
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2821
1867	# try to abort aborted map switching on player login :)	2822	}
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2823
1885	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1886		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
1887	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1888		2838
1889	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1890	my ($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;
1891		2850
1892	$self->enter_link;	2851	$self->enter_link;
1893		2852
1894	(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
1895	my $map = eval {	2875	my $map = eval {
1896	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1897	$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
1898	$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 $@;
1899	} or	2891	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1903	})->prio (1);	2899	})->prio (1);
1904	}	2900	}
1905		2901
1906	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1907		2903
…		…
1927	}	2923	}
1928		2924
1929	sub prepare_random_map {	2925	sub prepare_random_map {
1930	my ($exit) = @_;	2926	my ($exit) = @_;
1931		2927
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2930	# that depends on the exit object
1937		2931
1938	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2934	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1945	}	2941	}
1946		2942
1947	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1948		2944
1949	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1952		2948
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2951	undef $fh;
1956	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1957		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1960	}	2960	}
1961	}	2961	}
1962		2962
1963	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1965		2965
1966	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1967		2967
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2968	$self->enter_link;
1978		2969
1979	(async {	2970	(async {
1980	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1981	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
1982	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1983		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
1984	1;	3009	1
1985	}) {	3010	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "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. "
1988	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1990		3015
1991	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1992	$self->leave_link;	3017	$self->leave_link;
1993	}	3018	}
1994	})->prio (1);	3019	})->prio (1);
1995	}	3020	}
1996		3021
…		…
2010		3035
2011	utf8::encode $text;	3036	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	3038	}
2014		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
2015	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2016		3228
2017	Sends an exti event to the client.	3229	Sends an ext event to the client.
2018		3230
2019	=cut	3231	=cut
2020		3232
2021	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2023		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	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]));
2026	}	3256	}
2027		3257
2028	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2029		3259
2030	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2031	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>,
2032	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>.
2033		3263
2034	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
2035	reliable at some point in the future.	3265	become reliable at some point in the future.
2036		3266
2037	=cut	3267	=cut
2038		3268
2039	sub cf::client::query {	3269	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	3278	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		3280
2051	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2053	}	3285	}
2054		3286
2055	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	},
2056	on_reply => sub {	3293	on_reply => sub {
2057	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2058		3295
2059	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2060	# get handled first	3297	# get handled first
…		…
2072	} else {	3309	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	3311	}
2075	}	3312	}
2076	},	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	},
2077	);	3337	);
2078		3338
2079	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2080		3340
2081	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2097		3357
2098	$coro	3358	$coro
2099	}	3359	}
2100		3360
2101	cf::client->attach (	3361	cf::client->attach (
2102	on_destroy => sub {	3362	on_client_destroy => sub {
2103	my ($ns) = @_;	3363	my ($ns) = @_;
2104		3364
2105	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2106	},	3366	},
2107	);	3367	);
…		…
2122	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2124		3384
2125	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2126		3386
2127	$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	));
2128		3392
2129	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2130		3394
2131	=pod	3395	=pod
2132		3396
2133	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2134		3398
2135	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
2136	cf::object::player player	3404	cf::object::player
2137	cf::player peaceful	3405	player
2138	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2139		3412
2140	=cut	3413	=cut
2141		3414
2142	for (	3415	for (
2143	["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)],
2144	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2146	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2147	) {	3422	) {
2148	no strict 'refs';
2149	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2150	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2151	for @funs;	3425	for @funs;
2152	}	3426	}
2153		3427
…		…
2168		3442
2169	my $qcode = $code;	3443	my $qcode = $code;
2170	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2171	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2172		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2173	local $_;	3450	local $_;
2174	local @safe::cf::_safe_eval_args = values %vars;
2175		3451
2176	my $eval =	3452	my $eval =
2177	"do {\n"	3453	"do {\n"
2178	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2179	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2180	. $code	3456	. $code
2181	. "\n}"	3457	. "\n}"
2182	;	3458	;
2183		3459
		3460	if ($CFG{safe_eval}) {
2184	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2185	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2186	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	}
2187		3469
2188	if ($@) {	3470	if ($@) {
2189	warn "$@";	3471	warn "$@",
2190	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2191	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2192	}	3474	}
2193		3475
2194	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2195	}	3477	}
2196		3478
…		…
2210	=cut	3492	=cut
2211		3493
2212	sub register_script_function {	3494	sub register_script_function {
2213	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2214		3496
2215	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2216	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2217	}	3499	}
2218		3500
2219	=back	3501	=back
2220		3502
2221	=cut	3503	=cut
2222
2223	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294		3504
2295	#############################################################################	3505	#############################################################################
2296	# the server's init and main functions	3506	# the server's init and main functions
2297		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2298	sub load_facedata {	3510	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3511	my ($path) = @_;
2300		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2301	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2302		3520
2303	my $faces;	3521	my $facedata = decode_storable load_file $path;
2304	0 < aio_load $path, $faces
2305	or die "$path: $!";
2306		3522
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;
2309	Coro::cede;
2310
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3523	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3525
2315	while (my ($face, $info) = each %$faces) {	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
		3535	{
		3536	my $faces = $facedata->{faceinfo};
		3537
		3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541
		3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2320	Coro::cede;	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2321	}	3547	$FACEHASH{$info->{hash64}} = $idx;#d#
2322		3548
		3549	cf::cede_to_tick;
		3550	}
		3551
2323	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2325	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
		3556	or next;
		3557
		3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
		3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3561	} else {
		3562	error "smooth face '$info->{smooth}' not found for face '$face'";
		3563	}
		3564
		3565	cf::cede_to_tick;
		3566	}
		3567	}
		3568
		3569	{
		3570	my $anims = $facedata->{animinfo};
		3571
		3572	while (my ($anim, $info) = each %$anims) {
		3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3574	cf::cede_to_tick;
		3575	}
		3576
		3577	cf::anim::invalidate_all; # d'oh
		3578	}
		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
		3602	1
		3603	}
		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
		3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
		3628	load_resource_file "$MAPDIR/regions"
		3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
		3635	}
		3636
		3637	sub reload_facedata {
		3638	load_facedata "$DATADIR/facedata"
		3639	or die "unable to load facedata\n";
		3640	}
		3641
		3642	sub reload_archetypes {
		3643	load_resource_file "$DATADIR/archetypes"
		3644	or die "unable to load archetypes\n";
		3645	}
		3646
		3647	sub reload_treasures {
		3648	load_resource_file "$DATADIR/treasures"
		3649	or die "unable to load treasurelists\n";
		3650	}
		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
2326	or next;	3659	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;
2329	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}
2332	Coro::cede;
2333	}
2334		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2335	1	3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
2336	}	3670	}
2337		3671
2338	sub reload_resources {	3672	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3673	trace "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3674
		3675	reload_exp_table;
		3676	reload_materials;
2341	load_facedata	3677	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3678	reload_sound;
2343	}	3679	reload_archetypes;
2344
2345	sub init {
2346	reload_resources;	3680	reload_regions;
2347	}	3681	reload_treasures;
2348		3682
2349	sub cfg_load {	3683	trace "finished reloading resource files\n";
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3684	}
2351	or return;
2352		3685
2353	local $/;	3686	sub reload_config {
2354	*CFG = YAML::Syck::Load <$fh>;	3687	trace "reloading config file...\n";
2355		3688
		3689	my $config = load_file "$CONFDIR/config";
		3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
		3692
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2357		3694
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2360		3697
2361	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2365	};	3702	};
2366	warn $@ if $@;	3703	warn $@ if $@;
2367	}	3704	}
2368	}	3705	}
2369		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2370	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2371	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3748	(async {
2375	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2377	};	3752	};
2378		3753
2379	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2380	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2381	load_extensions;	3777	load_extensions;
2382		3778
2383	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2384	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2385	}	3796	}
2386		3797
2387	#############################################################################	3798	#############################################################################
2388	# initialisation and cleanup	3799	# initialisation and cleanup
2389		3800
2390	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2391	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2400	},
2401	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2402	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2403	}	3897	}
2404		3898
2405	sub emergency_save() {	3899	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2407		3901
2408	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2409		3908
2410	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2411	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3920	$pl->save;
2419	}	3921	}
2420	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2421		3923
2422	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	3929	$map->valid or next;
2426	$map->save;	3930	$map->save;
2427	}	3931	}
2428	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2429		3933
2430	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2433	};	3962	};
2434		3963
2435	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2436	}	3965	}
2437		3966
2438	sub post_cleanup {	3967	sub post_cleanup {
2439	my ($make_core) = @_;	3968	my ($make_core) = @_;
2440		3969
		3970	IO::AIO::flush;
		3971
2441	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3973	if $make_core;
2443	}
2444		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
		4002	}
		4003
2445	sub reload() {	4004	sub do_reload_perl() {
2446	# can/must only be called in main	4005	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2448	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2449	return;	4008	return;
2450	}	4009	}
2451		4010
2452	warn "reloading...";	4011	return if $RELOAD++;
2453		4012
2454	warn "entering sync_job";	4013	my $t1 = AE::time;
2455		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2456	cf::sync_job {	4021	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark
2458	cf::emergency_save;	4022	#cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark
2460		4023
2461	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;
2463
2464	# if anything goes wrong in here, we should simply crash as we already saved
2465
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;
2477	warn "iterate...";
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();	4026	%EXT_CORO = ();
2485		4027
2486	warn "removing commands";	4028	trace "perl_reload: removing commands";
2487	%COMMAND = ();	4029	%COMMAND = ();
2488		4030
2489	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2490	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2491		4034
2492	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2495		4038
2496	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2497	eval {	4040	eval {
2498	$cb->($pkg);	4041	$cb->($pkg);
2499	1	4042	1
2500	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2501	}	4048	}
2502		4049
2503	warn "... nuking $pkg";
2504	Symbol::delete_package $pkg;
2505	}
2506
2507	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2508	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		4053
2511	warn "... unloading $k";	4054	trace "... unloading $k";
2512	delete $INC{$k};	4055	delete $INC{$k};
2513		4056
2514	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2516		4059
2517	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2518	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2519	}	4065	}
2520		4066
2521	Symbol::delete_package $k;
2522	}
2523
2524	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		4070
2528	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
		4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2530		4074
2531	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2532	# and global variables created in xs	4076	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2534		4078
2535	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2536		4080
2537	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2538	require cf;	4082	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2540		4084
2541	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2542	cf::cfg_load;	4086	cf::reload_config;
2543		4087
2544	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2545	cf::load_extensions;	4089	cf::load_extensions;
2546		4090
		4091	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2550	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
2553		4099
2554	warn "loading reloadable resources";	4100	cf::_post_init 1;
2555	reload_resources;
2556		4101
2557	warn "leaving sync_job";	4102	trace "perl_reload: leaving sync_job";
2558		4103
2559	1	4104	1
2560	} or do {	4105	} or do {
2561	warn $@;	4106	error $@;
2562	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2563	exit 1;	4108	};
		4109
		4110	--$RELOAD;
		4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
		4115	};
		4116
		4117	our $RELOAD_WATCHER; # used only during reload
		4118
		4119	sub reload_perl() {
		4120	# doing reload synchronously and two reloads happen back-to-back,
		4121	# coro crashes during coro_state_free->destroy here.
		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
		4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4127	do_reload_perl;
		4128	undef $RELOAD_WATCHER;
		4129	};
2564	};	4130	};
2565		4131	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		4132
2571	register_command "reload" => sub {	4133	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2573		4135
2574	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
2576		4138	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	4139	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	4140	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	4141	};
2589	}	4142	}
2590	};	4143	};
2591		4144
2592	unshift @INC, $LIBDIR;	4145	#############################################################################
2593		4146
2594	my $bug_warning = 0;	4147	my $bug_warning = 0;
2595		4148
2596	$TICK_WATCHER = Event->timer (	4149	sub wait_for_tick() {
2597	reentrant => 0,	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2598	parked => 1,	4151
2599	prio => 0,	4152	$WAIT_FOR_TICK->wait;
2600	at => $NEXT_TICK || $TICK,	4153	}
2601	data => WF_AUTOCANCEL,	4154
2602	cb => sub {	4155	sub wait_for_tick_begin() {
		4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4157
		4158	my $signal = new Coro::Signal;
		4159	push @WAIT_FOR_TICK_BEGIN, $signal;
		4160	$signal->wait;
		4161	}
		4162
		4163	sub tick {
2603	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2606	return;	4167	return;
2607	}	4168	}
2608		4169
2609	$NOW = Event::time;	4170	cf::one_tick; # one server iteration
2610		4171
2611	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		4173
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	4178	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
2620	};
2621	}	4180	};
		4181	}
2622		4182
		4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4184	$sig->send;
		4185	}
2623	$WAIT_FOR_TICK->broadcast;	4186	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625		4187
2626	# my $AFTER = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2627	# warn $AFTER - $NOW;#d#	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2628		4190
2629	# if we are delayed by four ticks or more, skip them all	4191	if (0) {
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4192	if ($NEXT_TICK) {
2631		4193	my $jitter = $TICK_START - $NEXT_TICK;
2632	$TICK_WATCHER->at ($NEXT_TICK);	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2633	$TICK_WATCHER->start;	4195	debug "jitter $JITTER\n";#d#
		4196	}
2634	},	4197	}
2635	);	4198	}
2636		4199
2637	{	4200	{
2638	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	4202
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2648		4204	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		4206
2664	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		4214
2667	cf::sync_job {	4215	cf::sync_job {
2668	eval {	4216	eval {
2669	BDB::db_env_open	4217	BDB::db_env_open
2670	$DB_ENV,	4218	$DB_ENV,
2671	$BDB_ENV_DIR,	4219	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	4222	0666;
2675		4223
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	4225	};
2681		4226
2682	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	4228	};
2684	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2685	}	4240	}
2686		4241
2687	{	4242	{
		4243	# configure IO::AIO
		4244
2688	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	4248	}
		4249
		4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
		4252
		4253	sub _log_backtrace {
		4254	my ($msg, @addr) = @_;
		4255
		4256	$msg =~ s/\n$//;
		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4261	# limit the # of concurrent backtraces
		4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
		4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
		4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
		4269	my @bt = fork_call {
		4270	@addr = map { sprintf "%x", $_ } @addr;
		4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4273	or die "addr2line: $!";
		4274
		4275	my @funcs;
		4276	my @res = <$fh>;
		4277	chomp for @res;
		4278	while (@res) {
		4279	my ($func, $line) = splice @res, 0, 2, ();
		4280	push @funcs, "[$func] $line";
		4281	}
		4282
		4283	@funcs
		4284	};
		4285
		4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4288	LOG llevInfo, "[ABT] $_\n" for @bt;
		4289	--$_log_backtrace;
		4290	};
		4291	} else {
		4292	LOG llevInfo, "[ABT] $msg\n";
		4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4294	}
		4295	}
		4296
		4297	# load additional modules
		4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
2701		4300
2702	END { cf::emergency_save }	4301	END { cf::emergency_save }
2703		4302
2704	1	4303	1
2705		4304

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