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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.582 by root, Fri Feb 3 03:01:45 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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	$EV::DIED = sub {
183	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
184	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
185		350
186	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
187		352
188	=over 4	353	=over 4
189		354
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	374	$d
210	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
211	}	376	}
212		377
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
214		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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	delete $msg{msgid};	1932	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1933	}
1158		1934
1159	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	}
1160		1965
1161	=back	1966	=back
1162
1163		1967
1164	=head3 cf::map	1968	=head3 cf::map
1165		1969
1166	=over 4	1970	=over 4
1167		1971
…		…
1179	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1181		1985
1182	sub generate_random_map {	1986	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1184	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1185	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1197	)
1198	}	1992	}
1199		1993
1200	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1201		1995
1202	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
…		…
1207		2001
1208	sub register {	2002	sub register {
1209	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	2004	my $pkg = caller;
1211		2005
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		2007
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	2009	}
1217		2010
1218	# also paths starting with '/'	2011	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		2013
1221	sub thawer_merge {	2014	sub thawer_merge {
1222	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1223		2016
1224	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1225	local $self->{path};	2018	local $self->{path};
1226	local $self->{load_path};	2019	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		2020
1230	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1231	}	2022	}
1232		2023
1233	sub normalise {	2024	sub normalise {
1234	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1235		2026
1236	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1237		2028
1238	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1239		2030
1240	# map plan:	2031	# map plan:
1241	#	2032	#
…		…
1256	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1257	$path = "$base/$path";	2048	$path = "$base/$path";
1258	}	2049	}
1259		2050
1260	for ($path) {	2051	for ($path) {
1261	redo if s{//}{/};
1262	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1263	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1264	}	2054	}
1265		2055
1266	$path	2056	$path
…		…
1280	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1281	return $self;	2071	return $self;
1282	}	2072	}
1283	}	2073	}
1284		2074
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1286	()	2076	()
1287	}	2077	}
1288		2078
		2079	# may re-bless or do other evil things
1289	sub init {	2080	sub init {
1290	my ($self) = @_;	2081	my ($self) = @_;
1291		2082
1292	$self	2083	$self
1293	}	2084	}
…		…
1305		2096
1306	# the original (read-only) location	2097	# the original (read-only) location
1307	sub load_path {	2098	sub load_path {
1308	my ($self) = @_;	2099	my ($self) = @_;
1309		2100
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1311	}	2102	}
1312		2103
1313	# the temporary/swap location	2104	# the temporary/swap location
1314	sub save_path {	2105	sub save_path {
1315	my ($self) = @_;	2106	my ($self) = @_;
1316		2107
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1319	}	2110	}
1320		2111
1321	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1322	sub uniq_path {	2113	sub uniq_path {
1323	my ($self) = @_;	2114	my ($self) = @_;
1324		2115
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1327	}	2118	}
1328		2119
1329	# and all this just because we cannot iterate over	2120	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	2121	my ($self) = @_;
1333		2122
1334	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1336	}	2126	}
1337		2127
1338	sub unlink_save {	2128	sub unlink_save {
1339	my ($self) = @_;	2129	my ($self) = @_;
1340		2130
…		…
1345		2135
1346	sub load_header_from($) {	2136	sub load_header_from($) {
1347	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1348		2138
1349	utf8::encode $path;	2139	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	2141	or return;
1355		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1356	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1357		2150
1358	1	2151	1
1359	}	2152	}
1360		2153
		2154	# used to laod the header of an original map
1361	sub load_header_orig {	2155	sub load_header_orig {
1362	my ($self) = @_;	2156	my ($self) = @_;
1363		2157
1364	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1365	}	2159	}
1366		2160
		2161	# used to laod the header of an instantiated map
1367	sub load_header_temp {	2162	sub load_header_temp {
1368	my ($self) = @_;	2163	my ($self) = @_;
1369		2164
1370	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1371	}	2166	}
1372		2167
		2168	# called after loading the header from an instantiated map
1373	sub prepare_temp {	2169	sub prepare_temp {
1374	my ($self) = @_;	2170	my ($self) = @_;
1375		2171
1376	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1377	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1378	# safety	2174	# safety
1379	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1380	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1381	}	2177	}
1382		2178
		2179	# called after loading the header from an original map
1383	sub prepare_orig {	2180	sub prepare_orig {
1384	my ($self) = @_;	2181	my ($self) = @_;
1385		2182
1386	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1387	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1398	$self->load_header_orig	2195	$self->load_header_orig
1399	or return;	2196	or return;
1400	$self->prepare_orig;	2197	$self->prepare_orig;
1401	}	2198	}
1402		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 $self->default_region;
		2205
1403	1	2206	1
1404	}	2207	}
1405		2208
1406	sub find;	2209	sub find;
1407	sub find {	2210	sub find {
1408	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1409		2212
		2213	cf::cede_to_tick;
		2214
1410	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1411		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2219
1414	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1417	or return;	2222	or return;
1418		2223
1419	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1420		2225
1421	$map->load_header	2226	$map->load_header
1422	or return;	2227	or return;
1423		2228
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1427	$map->reset;	2234	$map->reset;
1428	undef $guard;
1429	return find $path;	2235	return find $path;
1430	}	2236	}
1431		2237
1432	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1433	}	2239	}
1434	}	2240	}
1435		2241
1436	sub pre_load { }	2242	sub pre_load { }
1437	sub post_load { }	2243	#sub post_load { } # XS
1438		2244
1439	sub load {	2245	sub load {
1440	my ($self) = @_;	2246	my ($self) = @_;
1441		2247
1442	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1443		2249
1444	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1446		2254
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1448		2257
1449	$self->in_memory (cf::MAP_LOADING);
1450
1451	$self->alloc;	2258	$self->alloc;
1452		2259
1453	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1454		2262
1455	$self->_load_objects ($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)
1456	or return;	2267	or return;
1457		2268
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1459	if delete $self->{load_original};	2270	if delete $self->{load_original};
1460		2271
1461	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2273	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2276	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1466	}	2281	}
1467	}
1468		2282
1469	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1470		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1471	# now do the right thing for maps	2292	# now do the right thing for maps
1472	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2295	unless $self->difficulty;
1482	Coro::cede;	2296	cf::cede_to_tick;
1483	$self->activate;	2297
		2298	unless ($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);
1484	}	2308	}
1485		2309
1486	$self->post_load;	2310	$self->post_load;
1487		2311
1488	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1489	}	2313	}
1490		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2318	sub customise_for {
1492	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1493		2320
1494	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2322	if $self->per_player;
1496		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1497	$self	2327	$self
1498	}
1499
1500	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {
1502	my ($map) = @_;
1503
1504	my @diag; # diagonal neighbours
1505
1506	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)
1508	or next;
1509	$neigh = find $neigh, $map
1510	or next;
1511	$neigh->load;
1512
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}
1516
1517	for (@diag) {
1518	my $neigh = find @$_
1519	or next;
1520	$neigh->load;
1521	}
1522	}	2328	}
1523		2329
1524	sub find_sync {	2330	sub find_sync {
1525	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1526		2332
1527	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, $origin
1528	}	2338	}
1529		2339
1530	sub do_load_sync {	2340	sub do_load_sync {
1531	my ($map) = @_;	2341	my ($map) = @_;
1532		2342
1533	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;
1534	}	2348	}
1535		2349
1536	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1538		2352
1539	sub find_async {	2353	sub find_async {
1540	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1541		2355
1542	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1543		2357
1544	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1546	}	2360	}
1547		2361
1548	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1549	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1550	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2369	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2370	$map->load if $v;
		2371	}
1555		2372
1556	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1557	}	2374	}
1558	}	2375	}
1559	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1560	};	2377	};
1561	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1562		2379
1563	()	2380	()
1564	}	2381	}
1565		2382
		2383	# common code, used by both ->save and ->swapout
1566	sub save {	2384	sub _save {
1567	my ($self) = @_;	2385	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2386
1571	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1572		2388
1573	return unless $self->dirty;	2389	return unless $self->dirty;
1574		2390
…		…
1580	return if $self->{deny_save};	2396	return if $self->{deny_save};
1581		2397
1582	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1583		2399
1584	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1586	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1587		2406
1588	if ($uniq) {	2407	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2410	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2412	}
1594	}	2413	}
1595		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1596	sub swap_out {	2423	sub swap_out {
1597	my ($self) = @_;	2424	my ($self) = @_;
1598		2425
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1604	return if $self->players;	2430	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		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
1608	$self->clear;	2441	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2442	}
1611		2443
1612	sub reset_at {	2444	sub reset_at {
1613	my ($self) = @_;	2445	my ($self) = @_;
1614		2446
1615	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1618		2449
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2452
…		…
1632	my ($self) = @_;	2463	my ($self) = @_;
1633		2464
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2466
1636	return if $self->players;	2467	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2468
1639	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1640		2470
1641	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1642		2472
1643	# need to save uniques path	2473	# need to save uniques path
1644	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1645	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1646		2476
…		…
1648	if $uniq;	2478	if $uniq;
1649	}	2479	}
1650		2480
1651	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1652		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2485	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2486
1657	$self->unlink_save;	2487	$self->unlink_save;
1658	$self->destroy;	2488	$self->destroy;
1659	}	2489	}
1660		2490
1661	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1662		2492
1663	sub nuke {	2493	sub nuke {
1664	my ($self) = @_;	2494	my ($self) = @_;
1665		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1666	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1667		2500
1668	$self->unlink_save;	2501	$self->unlink_save;
1669		2502
1670	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2508
1676	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1677		2511
1678	$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	]
1679	}	2549	}
1680		2550
1681	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1682		2552
1683	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2554	instantiated unique items. May block.
1685		2555
1686	=cut	2556	=cut
1687		2557
1688	sub unique_maps() {	2558	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1690	or return;	2560	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2561	utf8::decode $_;
1696	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2564	? ()
1699	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2567	]
1701
1702	\@paths
1703	}	2568	}
1704		2569
1705	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	}
1706		2601
1707	=back	2602	=back
1708		2603
1709	=head3 cf::object	2604	=head3 cf::object
1710		2605
…		…
1714		2609
1715	=over 4	2610	=over 4
1716		2611
1717	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1718		2613
1719	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.
1720		2616
1721	=cut	2617	=cut
1722		2618
1723	sub inv_recursive_;	2619	sub inv_recursive_;
1724	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1727		2623
1728	sub inv_recursive {	2624	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1730	}	2626	}
1731		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
1732	package cf;	2656	package cf;
1733		2657
1734	=back	2658	=back
1735		2659
1736	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1742	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>
1743	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
1744	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1745		2669
1746	=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	};
1747		2685
1748	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2687	# with dialog boxes.
1750	#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
1751	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1753		2691
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2693
1756	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1758	} 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 {
1759	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1761	}	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 (@_);
1762	}	2719	}
1763		2720
1764	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1765		2722
1766	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1779		2736
1780	=item $player_object->enter_link	2737	=item $player_object->enter_link
1781		2738
1782	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}>).
1783		2740
1784	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.
1785	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.
1786		2745
1787	Will never block.	2746	Will never block.
1788		2747
1789	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1790		2749
…		…
1810	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2770	my ($self) = @_;
1812		2771
1813	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1814		2773
		2774	++$self->{_link_recursion};
		2775
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2777
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1819		2780
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2782	}
1822		2783
1823	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1825		2788
1826	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1827		2790
1828	unless ($map) {	2791	unless ($map) {
1829	# restore original map position	2792	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1842		2805
1843	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1846		2809
1847	$map->load;	2810	$map->load;
1848	$map->load_diag;
1849		2811
1850	return unless $self->contr->active;	2812	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2813
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1855	}	2816	# entering was successful
1856		2817	delete $self->{_link_recursion};
1857	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2819	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2820	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2821
1871	# try to abort aborted map switching on player login :)	2822	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2823
1889	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		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
1891	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1892		2838
1893	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1894	my ($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;
1895		2850
1896	$self->enter_link;	2851	$self->enter_link;
1897		2852
1898	(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
1899	my $map = eval {	2875	my $map = eval {
1900	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1901	$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
1902	$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 $@;
1903	} or	2891	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1907	})->prio (1);	2899	})->prio (1);
1908	}	2900	}
1909		2901
1910	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1911		2903
…		…
1931	}	2923	}
1932		2924
1933	sub prepare_random_map {	2925	sub prepare_random_map {
1934	my ($exit) = @_;	2926	my ($exit) = @_;
1935		2927
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2930	# that depends on the exit object
1941		2931
1942	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2934	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1949	}	2941	}
1950		2942
1951	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1952		2944
1953	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1956		2948
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2951	undef $fh;
1960	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1961		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1964	}	2960	}
1965	}	2961	}
1966		2962
1967	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1969		2965
1970	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1971		2967
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2968	$self->enter_link;
1982		2969
1983	(async {	2970	(async {
1984	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1985	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
1986	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1987		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
1988	1;	3009	1
1989	}) {	3010	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "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. "
1992	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1994		3015
1995	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	3017	$self->leave_link;
1997	}	3018	}
1998	})->prio (1);	3019	})->prio (1);
1999	}	3020	}
2000		3021
…		…
2014		3035
2015	utf8::encode $text;	3036	utf8::encode $text;
2016	$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);
2017	}	3038	}
2018		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
		3227	=item $client->ext_msg ($type, @msg)
		3228
		3229	Sends an ext event to the client.
		3230
		3231	=cut
		3232
		3233	sub cf::client::ext_msg($$@) {
		3234	my ($self, $type, @msg) = @_;
		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3256	}
2019		3257
2020	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2021		3259
2022	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2023	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>,
2024	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>.
2025		3263
2026	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
2027	reliable at some point in the future.	3265	become reliable at some point in the future.
2028		3266
2029	=cut	3267	=cut
2030		3268
2031	sub cf::client::query {	3269	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3278	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3280
2043	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2045	}	3285	}
2046		3286
2047	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2048	on_reply => sub {	3293	on_reply => sub {
2049	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2050		3295
2051	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2052	# get handled first	3297	# get handled first
…		…
2064	} else {	3309	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3311	}
2067	}	3312	}
2068	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($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	},
2069	);	3337	);
2070		3338
2071	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2072		3340
2073	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3357
2090	$coro	3358	$coro
2091	}	3359	}
2092		3360
2093	cf::client->attach (	3361	cf::client->attach (
2094	on_destroy => sub {	3362	on_client_destroy => sub {
2095	my ($ns) = @_;	3363	my ($ns) = @_;
2096		3364
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3366	},
2099	);	3367	);
…		…
2114	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2116		3384
2117	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2118		3386
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2120		3392
2121	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2122		3394
2123	=pod	3395	=pod
2124		3396
2125	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2126		3398
2127	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2128	cf::object::player player	3404	cf::object::player
2129	cf::player peaceful	3405	player
2130	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2131		3412
2132	=cut	3413	=cut
2133		3414
2134	for (	3415	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2139	) {	3422	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3425	for @funs;
2144	}	3426	}
2145		3427
…		…
2160		3442
2161	my $qcode = $code;	3443	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2164		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2165	local $_;	3450	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3451
2168	my $eval =	3452	my $eval =
2169	"do {\n"	3453	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3456	. $code
2173	. "\n}"	3457	. "\n}"
2174	;	3458	;
2175		3459
		3460	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2179		3469
2180	if ($@) {	3470	if ($@) {
2181	warn "$@";	3471	warn "$@",
2182	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2184	}	3474	}
2185		3475
2186	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2187	}	3477	}
2188		3478
…		…
2202	=cut	3492	=cut
2203		3493
2204	sub register_script_function {	3494	sub register_script_function {
2205	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2206		3496
2207	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2209	}	3499	}
2210		3500
2211	=back	3501	=back
2212		3502
2213	=cut	3503	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3504
2287	#############################################################################	3505	#############################################################################
2288	# the server's init and main functions	3506	# the server's init and main functions
2289		3507
2290	sub load_facedata {	3508	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3509	my ($path) = @_;
2292		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
2293	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2294		3518
2295	my $faces;	3519	my $facedata = decode_storable load_file $path;
2296	0 < aio_load $path, $faces
2297	or die "$path: $!";
2298		3520
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;
2301	Coro::cede;
2302
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3521	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
		3533	{
		3534	my $faces = $facedata->{faceinfo};
		3535
2307	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3538
		3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;	3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2313	}
2314		3544
		3545	cf::cede_to_tick;
		3546	}
		3547
2315	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2317	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
		3552	or next;
		3553
		3554	if (my $smooth = cf::face::find $info->{smooth}) {
		3555	cf::face::set_smooth $idx, $smooth;
		3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3557	} else {
		3558	error "smooth face '$info->{smooth}' not found for face '$face'";
		3559	}
		3560
		3561	cf::cede_to_tick;
		3562	}
		3563	}
		3564
		3565	{
		3566	my $anims = $facedata->{animinfo};
		3567
		3568	while (my ($anim, $info) = each %$anims) {
		3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3570	cf::cede_to_tick;
		3571	}
		3572
		3573	cf::anim::invalidate_all; # d'oh
		3574	}
		3575
		3576	{
		3577	my $res = $facedata->{resource};
		3578
		3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
		3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3583
		3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3587	} else {
		3588	# $RESOURCE{$name} = $info; # unused
		3589	}
		3590
		3591	cf::cede_to_tick;
		3592	}
		3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
		3597	1
		3598	}
		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
		3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
		3623	load_resource_file "$MAPDIR/regions"
		3624	or die "unable to load regions file\n";
		3625
		3626	for (cf::region::list) {
		3627	$_->{match} = qr/$_->{match}/
		3628	if exists $_->{match};
		3629	}
		3630	}
		3631
		3632	sub reload_facedata {
		3633	load_facedata "$DATADIR/facedata"
		3634	or die "unable to load facedata\n";
		3635	}
		3636
		3637	sub reload_archetypes {
		3638	load_resource_file "$DATADIR/archetypes"
		3639	or die "unable to load archetypes\n";
		3640	}
		3641
		3642	sub reload_treasures {
		3643	load_resource_file "$DATADIR/treasures"
		3644	or die "unable to load treasurelists\n";
		3645	}
		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
2318	or next;	3654	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;
2321	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}
2324	Coro::cede;
2325	}
2326		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2327	1	3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
2328	}	3665	}
2329		3666
2330	sub reload_resources {	3667	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3668	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3669
		3670	reload_exp_table;
		3671	reload_materials;
2333	load_facedata	3672	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3673	reload_sound;
2335	}	3674	reload_archetypes;
2336
2337	sub init {
2338	reload_resources;	3675	reload_regions;
2339	}	3676	reload_treasures;
2340		3677
2341	sub cfg_load {	3678	trace "finished reloading resource files\n";
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3679	}
2343	or return;
2344		3680
2345	local $/;	3681	sub reload_config {
2346	*CFG = YAML::Syck::Load <$fh>;	3682	trace "reloading config file...\n";
2347		3683
		3684	my $config = load_file "$CONFDIR/config";
		3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
		3687
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3689
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3692
2353	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2357	};	3697	};
2358	warn $@ if $@;	3698	warn $@ if $@;
2359	}	3699	}
2360	}	3700	}
2361		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
2362	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2363	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3743	(async {
2367	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2369	};	3747	};
2370		3748
2371	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
2372	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2373	load_extensions;	3772	load_extensions;
2374		3773
2375	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2377	}	3791	}
2378		3792
2379	#############################################################################	3793	#############################################################################
2380	# initialisation and cleanup	3794	# initialisation and cleanup
2381		3795
2382	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2383	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2392	},
2393	);	3802	};
		3803	}
		3804	}
		3805
		3806	sub write_runtime_sync {
		3807	my $t0 = AE::time;
		3808
		3809	# first touch the runtime file to show we are still running:
		3810	# the fsync below can take a very very long time.
		3811
		3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3813
		3814	my $guard = cf::lock_acquire "write_runtime";
		3815
		3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3817	or return;
		3818
		3819	my $value = $cf::RUNTIME + 90 + 10;
		3820	# 10 is the runtime save interval, for a monotonic clock
		3821	# 60 allows for the watchdog to kill the server.
		3822
		3823	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3824	and return;
		3825
		3826	# always fsync - this file is important
		3827	aio_fsync $fh
		3828	and return;
		3829
		3830	# touch it again to show we are up-to-date
		3831	aio_utime $fh, undef, undef;
		3832
		3833	close $fh
		3834	or return;
		3835
		3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3837	and return;
		3838
		3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3840
2394	}	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2395	}	3892	}
2396		3893
2397	sub emergency_save() {	3894	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2399		3896
2400	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2401		3903
2402	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2403	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3915	$pl->save;
2411	}	3916	}
2412	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2413		3918
2414	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3924	$map->valid or next;
2418	$map->save;	3925	$map->save;
2419	}	3926	}
2420	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2421		3928
2422	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2425	};	3957	};
2426		3958
2427	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2428	}	3960	}
2429		3961
2430	sub post_cleanup {	3962	sub post_cleanup {
2431	my ($make_core) = @_;	3963	my ($make_core) = @_;
2432		3964
		3965	IO::AIO::flush;
		3966
2433	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3968	if $make_core;
2435	}
2436		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
		3997	}
		3998
2437	sub reload() {	3999	sub do_reload_perl() {
2438	# can/must only be called in main	4000	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2440	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2441	return;	4003	return;
2442	}	4004	}
2443		4005
2444	warn "reloading...";	4006	return if $RELOAD++;
2445		4007
2446	warn "entering sync_job";	4008	my $t1 = AE::time;
2447		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2448	cf::sync_job {	4016	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	4017	#cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		4018
2453	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;
2455
2456	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	4021	%EXT_CORO = ();
2477		4022
2478	warn "removing commands";	4023	trace "perl_reload: removing commands";
2479	%COMMAND = ();	4024	%COMMAND = ();
2480		4025
2481	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2482	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2483		4029
2484	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2487		4033
2488	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2489	eval {	4035	eval {
2490	$cb->($pkg);	4036	$cb->($pkg);
2491	1	4037	1
2492	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
2493	}	4043	}
2494		4044
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		4048
2503	warn "... unloading $k";	4049	trace "... unloading $k";
2504	delete $INC{$k};	4050	delete $INC{$k};
2505		4051
2506	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2508		4054
2509	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2511	}	4060	}
2512		4061
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		4065
2520	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
		4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		4069
2523	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2524	# and global variables created in xs	4071	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2526		4073
2527	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2528		4075
2529	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2530	require cf;	4077	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2532		4079
2533	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2534	cf::cfg_load;	4081	cf::reload_config;
2535		4082
2536	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2537	cf::load_extensions;	4084	cf::load_extensions;
2538		4085
		4086	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2542	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
2545		4094
2546	warn "loading reloadable resources";	4095	cf::_post_init 1;
2547	reload_resources;
2548		4096
2549	warn "leaving sync_job";	4097	trace "perl_reload: leaving sync_job";
2550		4098
2551	1	4099	1
2552	} or do {	4100	} or do {
2553	warn $@;	4101	error $@;
2554	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
2555	exit 1;	4103	};
		4104
		4105	--$RELOAD;
		4106	}
		4107
		4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
		4110	};
		4111
		4112	our $RELOAD_WATCHER; # used only during reload
		4113
		4114	sub reload_perl() {
		4115	# doing reload synchronously and two reloads happen back-to-back,
		4116	# coro crashes during coro_state_free->destroy here.
		4117
		4118	$RELOAD_WATCHER ||= cf::async {
		4119	Coro::AIO::aio_wait cache_extensions;
		4120
		4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4122	do_reload_perl;
		4123	undef $RELOAD_WATCHER;
		4124	};
2556	};	4125	};
2557		4126	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		4127
2563	register_command "reload" => sub {	4128	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2565		4130
2566	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
2568		4133	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4134	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	4135	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4136	};
2581	}	4137	}
2582	};	4138	};
2583		4139
2584	unshift @INC, $LIBDIR;	4140	#############################################################################
2585		4141
2586	my $bug_warning = 0;	4142	my $bug_warning = 0;
2587		4143
2588	$TICK_WATCHER = Event->timer (	4144	sub wait_for_tick() {
2589	reentrant => 0,	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2590	parked => 1,	4146
2591	prio => 0,	4147	$WAIT_FOR_TICK->wait;
2592	at => $NEXT_TICK || $TICK,	4148	}
2593	data => WF_AUTOCANCEL,	4149
2594	cb => sub {	4150	sub wait_for_tick_begin() {
		4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4152
		4153	my $signal = new Coro::Signal;
		4154	push @WAIT_FOR_TICK_BEGIN, $signal;
		4155	$signal->wait;
		4156	}
		4157
		4158	sub tick {
2595	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2598	return;	4162	return;
2599	}	4163	}
2600		4164
2601	$NOW = Event::time;	4165	cf::one_tick; # one server iteration
2602		4166
2603	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4168
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4171	Coro::async_pool {
		4172	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4173	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4175	};
		4176	}
2614		4177
		4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4179	$sig->send;
		4180	}
2615	$WAIT_FOR_TICK->broadcast;	4181	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617		4182
2618	# my $AFTER = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2619	# warn $AFTER - $NOW;#d#	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2620		4185
2621	# if we are delayed by four ticks or more, skip them all	4186	if (0) {
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4187	if ($NEXT_TICK) {
2623		4188	my $jitter = $TICK_START - $NEXT_TICK;
2624	$TICK_WATCHER->at ($NEXT_TICK);	4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2625	$TICK_WATCHER->start;	4190	debug "jitter $JITTER\n";#d#
		4191	}
2626	},	4192	}
2627	);	4193	}
2628		4194
2629	{	4195	{
2630	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4197
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
2640		4199	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4201
2656	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4209
2659	cf::sync_job {	4210	cf::sync_job {
2660	eval {	4211	eval {
2661	BDB::db_env_open	4212	BDB::db_env_open
2662	$DB_ENV,	4213	$DB_ENV,
2663	$BDB_ENV_DIR,	4214	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4217	0666;
2667		4218
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4220	};
2673		4221
2674	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4223	};
2676	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
2677	}	4235	}
2678		4236
2679	{	4237	{
		4238	# configure IO::AIO
		4239
2680	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4243	}
		4244
		4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
		4247
		4248	sub _log_backtrace {
		4249	my ($msg, @addr) = @_;
		4250
		4251	$msg =~ s/\n$//;
		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4256	# limit the # of concurrent backtraces
		4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
		4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
		4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
		4264	my @bt = fork_call {
		4265	@addr = map { sprintf "%x", $_ } @addr;
		4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4268	or die "addr2line: $!";
		4269
		4270	my @funcs;
		4271	my @res = <$fh>;
		4272	chomp for @res;
		4273	while (@res) {
		4274	my ($func, $line) = splice @res, 0, 2, ();
		4275	push @funcs, "[$func] $line";
		4276	}
		4277
		4278	@funcs
		4279	};
		4280
		4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4283	LOG llevInfo, "[ABT] $_\n" for @bt;
		4284	--$_log_backtrace;
		4285	};
		4286	} else {
		4287	LOG llevInfo, "[ABT] $msg\n";
		4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4289	}
		4290	}
		4291
		4292	# load additional modules
		4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
2693		4295
2694	END { cf::emergency_save }	4296	END { cf::emergency_save }
2695		4297
2696	1	4298	1
2697		4299

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