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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	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;
64	our $NOW;	139	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		140
67	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		144
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
87	binmode STDOUT;	161	binmode STDOUT;
88	binmode STDERR;	162	binmode STDERR;
89		163
90	# read virtual server time, if available	164	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
95	}	169	}
96		170
97	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	172
99	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		175
104	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
105		177
106	sub cf::map::normalise;	178	sub cf::map::normalise;
107		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
108	#############################################################################	184	#############################################################################
109		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
110	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
111		198
112	=over 4	199	=over 4
113		200
114	=item $cf::UPTIME	201	=item $cf::UPTIME
115		202
116	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.
117		219
118	=item $cf::RUNTIME	220	=item $cf::RUNTIME
119		221
120	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
121	every server tick.	223	every server tick.
122		224
123	=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
124		228
125	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		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
128	=item $cf::NOW	240	=item $cf::LOAD
129		241
130	The time of the last (current) server tick.	242	The raw value load value from the last tick.
131
132	=item $cf::TICK
133
134	The interval between server ticks, in seconds.
135		243
136	=item %cf::CFG	244	=item %cf::CFG
137		245
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	247	from wherever your confdir points to.
140		248
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		250
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
145	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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.
147		283
148	=back	284	=back
149		285
150	=cut	286	=cut
151		287
152	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
153	*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 {
154	my $msg = join "", @_;	295	my $msg = join "", @_;
155	utf8::encode $msg;
156		296
157	$msg .= "\n"	297	$msg .= "\n"
158	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
159		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
160	LOG llevError, $msg;	302	LOG llevWarn, $msg;
161	};	303	};
162	}	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	};
163		318
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		326
171	# 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
172	# within the Safe compartment.	328	# within the Safe compartment.
173	for my $pkg (qw(	329	for my $pkg (qw(
174	cf::global cf::attachable	330	cf::global cf::attachable
175	cf::object cf::object::player	331	cf::object cf::object::player
176	cf::client cf::player	332	cf::client cf::player
177	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
178	cf::map cf::party cf::region	335	cf::party cf::region
179	)) {	336	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	338	}
183		339
184	$Event::DIED = sub {	340	$EV::DIED = sub {
185	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
186	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
187		350
188	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
189		352
190	=over 4	353	=over 4
191		354
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	374	$d
212	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
213	}	376	}
214		377
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
216		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
217	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
218		431
219	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
220		433
221	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
222		435
223	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	507	=item cf::lock_wait $string
226		508
227	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
228		510
229	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
230		512
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
234	returned.	516	returned.
235		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
236	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
237	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
238		523
239	=cut	524	=item $locked = cf::lock_active $string
240		525
241	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
242		531
243	sub lock_wait($) {	532	sub lock_wait($) {
244	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	534	}
252		535
253	sub lock_acquire($) {	536	sub lock_acquire($) {
254	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
255		539
256	# wait, to be sure we are not locked	540	sub lock_active($) {
257	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	542	}
266		543
267	sub freeze_mainloop {	544	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
269		546
270	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
272	};	617	}
273	$TICK_WATCHER->stop;	618	};
274	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
275	}	633	}
276		634
277	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
278		636
279	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		642
285	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
286		644
287	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
288		646
289	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
292		651
293	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
296	fast or be very important.	655	fast or be very important.
…		…
298	=cut	657	=cut
299		658
300	sub sync_job(&) {	659	sub sync_job(&) {
301	my ($job) = @_;	660	my ($job) = @_;
302		661
303	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
304	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
306		667
307	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	669
309	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
310		671
311	my $busy = 1;	672	my $busy = 1;
312	my @res;	673	my @res;
313		674
314	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	677	@res = eval { $job->() };
316	warn $@ if $@;	678	error $@ if $@;
317	undef $busy;	679	undef $busy;
318	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
319		681
320	while ($busy) {	682	while ($busy) {
321	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
322	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
323		693
324	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
325	} else {	695	} else {
326	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
327		697
…		…
347	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
348		718
349	$coro	719	$coro
350	}	720	}
351		721
352	sub write_runtime {	722	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		723
355	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.
356		728
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	=cut
358	or return;
359		730
360	my $value = $cf::RUNTIME + 90 + 10;	731	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	732	reset_signals;
362	# 60 allows for the watchdog to kill the server.	733	}
363		734
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub fork_call(&@) {
365	and return;	736	my ($cb, @args) = @_;
366		737
367	# always fsync - this file is important	738	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	739	# otherwise perl prematurely frees the stuff :/
369	and return;	740	# TODO: investigate and fix (likely this will be rather laborious)
370		741
371	close $fh	742	my @res = Coro::Util::fork_eval {
372	or return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
373		746
374	aio_rename "$runtime~", $runtime	747	wantarray ? @res : $res[-1]
375	and return;	748	}
376		749
		750	sub objinfo {
377	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"
378	}	914	}
379		915
380	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
381		917
382	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.
383		919
384	=cut	920	=cut
385		921
386	sub datalog($@) {	922	sub datalog($@) {
387	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	925	}
390		926
391	=back	927	=back
392		928
393	=cut	929	=cut
394		930
395	#############################################################################	931	#############################################################################
396		932
397	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
398		934
399	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
400	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")
401	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
402		938
403	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>
404	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
405	crossfire+).	941	Deliantra).
406		942
407	=over 4	943	=over 4
408		944
409	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
410		946
…		…
454	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
455		991
456	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
458		994
459	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		997
462	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
463		999
464	=over 4	1000	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
574		1110
575	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1115
580	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
582		1118
583	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
588		1124
589	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1127
592	} elsif (ref $type) {	1128	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
594		1130
595	} else {	1131	} else {
596	shift @arg;	1132	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
598	}	1134	}
599	}	1135	}
600	}	1136	}
601		1137
602	sub _object_attach {	1138	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
613	}	1149	}
614		1150
615	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
616	} else {	1152	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1154	}
619		1155
620	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
621	}	1157	}
622		1158
…		…
624	if (ref $_[0]) {	1160	if (ref $_[0]) {
625	_object_attach @_;	1161	_object_attach @_;
626	} else {	1162	} else {
627	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
628	}	1164	}
		1165	_recalc_want;
629	};	1166	};
630		1167
631	# all those should be optimised	1168	# all those should be optimised
632	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1174	reattach ($obj);
638	} else {	1175	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
640	}	1177	}
		1178	_recalc_want;
641	};	1179	};
642		1180
643	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
645		1183
…		…
660	";	1198	";
661	die if $@;	1199	die if $@;
662	}	1200	}
663		1201
664	our $override;	1202	our $override;
665	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?
666		1204
667	sub override {	1205	sub override {
668	$override = 1;	1206	$override = 1;
669	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
670	}	1208	}
671		1209
672	sub do_invoke {	1210	sub do_invoke {
673	my $event = shift;	1211	my $event = shift;
674	my $callbacks = shift;	1212	my $callbacks = shift;
675		1213
676	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
677		1215
678	local $override;	1216	local $override;
679		1217
680	for (@$callbacks) {	1218	for (@$callbacks) {
681	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
682		1220
683	if ($@) {	1221	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1223	override;
687	}	1224	}
688		1225
689	return 1 if $override;	1226	return 1 if $override;
690	}	1227	}
691		1228
692	0	1229	0
693	}	1230	}
694		1231
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1233
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1235
699	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
700		1237
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1241
705	=back	1242	=back
706		1243
707	=cut	1244	=cut
708		1245
709	#############################################################################	1246	#############################################################################
710	# 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, $ob2
		1289	}
711		1290
712	sub reattach {	1291	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1293	my ($obj) = @_;
715		1294
		1295	# no longer needed after getting rid of delete_package?
716	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
717		1297
718	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
719		1299
720	@$registry = ();	1300	@$registry = ();
721		1301
…		…
726	for (@$attach) {	1306	for (@$attach) {
727	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
729	}	1309	}
730	} else {	1310	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1312	}
733	}	1313	}
734	}	1314	}
735		1315
736	cf::attachable->attach (	1316	cf::attachable->attach (
737	prio => -1000000,	1317	prio => -1000000,
738	on_instantiate => sub {	1318	on_instantiate => sub {
739	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
740		1320
741	$data = from_json $data;	1321	$data = decode_json $data;
742		1322
743	for (@$data) {	1323	for (@$data) {
744	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
745		1325
746	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1342	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
764		1344
765	sync_job {	1345	sync_job {
766	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
769		1351
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1359	aio_close $fh;
775		1360
776	if (@$objs) {	1361	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1370	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
784	}	1372	}
785	} else {	1373	} else {
786	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
787	}	1375	}
788		1376
789	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1381	} else {
791	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
792	}	1383	}
793	} else {	1384	} else {
794	aio_unlink $filename;	1385	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
796	}	1387	}
797	}	1388	};
798	}	1389	}
799		1390
800	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
802		1393
…		…
814	or return;	1405	or return;
815		1406
816	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
818	or return;	1409	or return;
		1410
819	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
820	}	1413	}
821		1414
		1415	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
824	return ($data, $av);	1420	($data, $av)
825	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
826		1428
827	#############################################################################	1429	#############################################################################
828	# command handling &c	1430	# command handling &c
829		1431
830	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1446	}
845		1447
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1449
848	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.
849		1455
850	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
851	called.	1457	called.
852		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
853	=cut	1470	=cut
854		1471
855	sub register_extcmd {	1472	sub register_extcmd {
856	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
857		1474
858	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
859	}	1476	}
860		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
861	cf::player->attach (	1486	cf::player->attach (
862	on_command => sub {	1487	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
864		1489
865	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
866	or return;	1491	or return;
867		1492
…		…
872	cf::override;	1497	cf::override;
873	},	1498	},
874	on_extcmd => sub {	1499	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
876		1501
877	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1503
879	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
885	} else {	1516	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1518	}
888		1519
889	cf::override;	1520	cf::override;
890	},	1521	},
891	);	1522	);
892		1523
		1524	# "readahead" all extensions
893	sub load_extension {	1525	sub cache_extensions {
894	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
895		1527
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1531	}
921	die $@;
922	}	1532	};
923		1533
924	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;
925	}	1546	}
926		1547
927	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
928	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1557	next unless -r $path;
930	eval {	1558
931	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 $active;
		1630	}
932	1	1631	}
933	} or warn "$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	}
934	}	1644	};
935	}	1645	}
936		1646
937	#############################################################################	1647	#############################################################################
938		1648
		1649	=back
		1650
939	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
940		1652
941	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
942		1654
943	=cut	1655	=cut
944		1656
945	package cf::player;	1657	package cf::player;
946		1658
…		…
948		1660
949	=head3 cf::player	1661	=head3 cf::player
950		1662
951	=over 4	1663	=over 4
952		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
953	=item cf::player::find $login	1679	=item cf::player::find $login
954		1680
955	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
956		1682
957	=cut	1683	=cut
958		1684
959	sub playerdir($) {	1685	sub playerdir($) {
960	cf::localdir	1686	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1688	}
966		1689
967	sub path($) {	1690	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1701
979	sub exists($) {	1702	sub exists($) {
980	my ($login) = @_;	1703	my ($login) = @_;
981		1704
982	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
984	}	1707	}
985		1708
986	sub find($) {	1709	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1711	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
999		1722
1000	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1003	}	1732	}
1004	}	1733	}
1005	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1006		1748
1007	sub save($) {	1749	sub save($) {
1008	my ($pl) = @_;	1750	my ($pl) = @_;
1009		1751
1010	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1016		1758
1017	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1021	Coro::cede;	1768	cf::cede_to_tick;
1022	}	1769	}
1023		1770
1024	sub new($) {	1771	sub new($) {
1025	my ($login) = @_;	1772	my ($login) = @_;
1026		1773
…		…
1032	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1033		1780
1034	$self	1781	$self
1035	}	1782	}
1036		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
1037	=item $pl->quit_character	1794	=item $pl->quit_character
1038		1795
1039	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1041		1798
…		…
1045	my ($pl) = @_;	1802	my ($pl) = @_;
1046		1803
1047	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1048		1805
1049	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1050	$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
1051		1808
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1055	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1056		1817
1057	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1089		1850
1090	=cut	1851	=cut
1091		1852
1092	sub list_logins {	1853	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1855	or return [];
1095		1856
1096	my @logins;	1857	my @logins;
1097		1858
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1102		1869
1103	utf8::decode $login;	1870	utf8::decode $login;
1104	push @logins, $login;	1871	push @logins, $login;
1105	}	1872	}
1106		1873
1107	\@logins	1874	\@logins
1108	}	1875	}
1109		1876
1110	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1111		1880
1112	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1113	player. May block.	1882	player. May block.
1114		1883
1115	=cut	1884	=cut
…		…
1133	}	1902	}
1134		1903
1135	\@paths	1904	\@paths
1136	}	1905	}
1137		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1138	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1139		1912
1140	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1141		1914
1142	=cut	1915	=cut
1143		1916
1144	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1146		1919
1147	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1921	}
1151		1922
1152	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1153		1924
1154	Sends an ext event to the client.	1925	Sends an ext event to the client.
1155		1926
1156	=cut	1927	=cut
1157		1928
1158	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1160		1931
1161	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1162	}	1933	}
1163		1934
1164	=head3 cf::region	1935	=head3 cf::region
1165		1936
1166	=over 4	1937	=over 4
…		…
1169		1940
1170	package cf::region;	1941	package cf::region;
1171		1942
1172	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1173		1944
1174	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1175		1946
1176	=cut	1947	=cut
1177		1948
1178	sub find_by_path($) {	1949	sub find_by_path($) {
1179	my ($path) = @_;	1950	my ($path) = @_;
1180		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1181	my ($match, $specificity);	1954	my ($match, $specificity);
1182		1955
1183	for my $region (list) {	1956	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1187	}	1960	}
1188	}	1961	}
1189		1962
…		…
1210	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1212		1985
1213	sub generate_random_map {	1986	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1216	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1992	}
1230		1993
1231	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1232		1995
1233	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
…		…
1238		2001
1239	sub register {	2002	sub register {
1240	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	2004	my $pkg = caller;
1242		2005
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		2007
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	2009	}
1248		2010
1249	# also paths starting with '/'	2011	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		2013
1252	sub thawer_merge {	2014	sub thawer_merge {
1253	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1254		2016
1255	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1256	local $self->{path};	2018	local $self->{path};
1257	local $self->{load_path};	2019	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		2020
1261	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1262	}	2022	}
1263		2023
1264	sub normalise {	2024	sub normalise {
1265	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1266		2026
1267	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1268		2028
1269	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1270		2030
1271	# map plan:	2031	# map plan:
1272	#	2032	#
…		…
1287	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	2048	$path = "$base/$path";
1289	}	2049	}
1290		2050
1291	for ($path) {	2051	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1295	}	2054	}
1296		2055
1297	$path	2056	$path
…		…
1311	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1312	return $self;	2071	return $self;
1313	}	2072	}
1314	}	2073	}
1315		2074
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2076	()
1318	}	2077	}
1319		2078
		2079	# may re-bless or do other evil things
1320	sub init {	2080	sub init {
1321	my ($self) = @_;	2081	my ($self) = @_;
1322		2082
1323	$self	2083	$self
1324	}	2084	}
…		…
1336		2096
1337	# the original (read-only) location	2097	# the original (read-only) location
1338	sub load_path {	2098	sub load_path {
1339	my ($self) = @_;	2099	my ($self) = @_;
1340		2100
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1342	}	2102	}
1343		2103
1344	# the temporary/swap location	2104	# the temporary/swap location
1345	sub save_path {	2105	sub save_path {
1346	my ($self) = @_;	2106	my ($self) = @_;
1347		2107
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1350	}	2110	}
1351		2111
1352	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1353	sub uniq_path {	2113	sub uniq_path {
1354	my ($self) = @_;	2114	my ($self) = @_;
1355		2115
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1358	}	2118	}
1359		2119
1360	# and all this just because we cannot iterate over	2120	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2121	my ($self) = @_;
1364		2122
1365	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1367	}	2126	}
1368		2127
1369	sub unlink_save {	2128	sub unlink_save {
1370	my ($self) = @_;	2129	my ($self) = @_;
1371		2130
…		…
1376		2135
1377	sub load_header_from($) {	2136	sub load_header_from($) {
1378	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1379		2138
1380	utf8::encode $path;	2139	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2141	or return;
1386		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1387	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1388		2150
1389	1	2151	1
1390	}	2152	}
1391		2153
		2154	# used to laod the header of an original map
1392	sub load_header_orig {	2155	sub load_header_orig {
1393	my ($self) = @_;	2156	my ($self) = @_;
1394		2157
1395	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1396	}	2159	}
1397		2160
		2161	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2162	sub load_header_temp {
1399	my ($self) = @_;	2163	my ($self) = @_;
1400		2164
1401	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1402	}	2166	}
1403		2167
		2168	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2169	sub prepare_temp {
1405	my ($self) = @_;	2170	my ($self) = @_;
1406		2171
1407	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1409	# safety	2174	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2177	}
1413		2178
		2179	# called after loading the header from an original map
1414	sub prepare_orig {	2180	sub prepare_orig {
1415	my ($self) = @_;	2181	my ($self) = @_;
1416		2182
1417	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2195	$self->load_header_orig
1430	or return;	2196	or return;
1431	$self->prepare_orig;	2197	$self->prepare_orig;
1432	}	2198	}
1433		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1434	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2204	unless $self->default_region;
1436		2205
1437	1	2206	1
1438	}	2207	}
1439		2208
1440	sub find;	2209	sub find;
1441	sub find {	2210	sub find {
1442	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1443		2212
		2213	cf::cede_to_tick;
		2214
1444	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1445		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2219
1448	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1451	or return;	2222	or return;
1452		2223
1453	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1454		2225
1455	$map->load_header	2226	$map->load_header
1456	or return;	2227	or return;
1457		2228
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1461	$map->reset;	2234	$map->reset;
1462	undef $guard;
1463	return find $path;	2235	return find $path;
1464	}	2236	}
1465		2237
1466	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1467	}	2239	}
1468	}	2240	}
1469		2241
1470	sub pre_load { }	2242	sub pre_load { }
1471	sub post_load { }	2243	#sub post_load { } # XS
1472		2244
1473	sub load {	2245	sub load {
1474	my ($self) = @_;	2246	my ($self) = @_;
1475		2247
1476	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1477		2249
1478	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1480		2254
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1482		2257
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2258	$self->alloc;
1486		2259
1487	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1488		2262
1489	$self->_load_objects ($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)
1490	or return;	2267	or return;
1491		2268
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1493	if delete $self->{load_original};	2270	if delete $self->{load_original};
1494		2271
1495	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2273	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2276	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1500	}	2281	}
1501	}
1502		2282
1503	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1504		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1505	# now do the right thing for maps	2292	# now do the right thing for maps
1506	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2295	unless $self->difficulty;
1516	Coro::cede;	2296	cf::cede_to_tick;
1517	$self->activate;	2297
		2298	unless ($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);
1518	}	2308	}
1519		2309
1520	$self->post_load;	2310	$self->post_load;
1521		2311
1522	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1523	}	2313	}
1524		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1525	sub customise_for {	2318	sub customise_for {
1526	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1527		2320
1528	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2322	if $self->per_player;
1530		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1531	$self	2327	$self
1532	}
1533
1534	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {
1536	my ($map) = @_;
1537
1538	my @diag; # diagonal neighbours
1539
1540	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)
1542	or next;
1543	$neigh = find $neigh, $map
1544	or next;
1545	$neigh->load;
1546
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}
1550
1551	for (@diag) {
1552	my $neigh = find @$_
1553	or next;
1554	$neigh->load;
1555	}
1556	}	2328	}
1557		2329
1558	sub find_sync {	2330	sub find_sync {
1559	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1560		2332
1561	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, $origin
1562	}	2338	}
1563		2339
1564	sub do_load_sync {	2340	sub do_load_sync {
1565	my ($map) = @_;	2341	my ($map) = @_;
1566		2342
1567	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;
1568	}	2348	}
1569		2349
1570	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1572		2352
1573	sub find_async {	2353	sub find_async {
1574	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1575		2355
1576	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1577		2357
1578	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1580	}	2360	}
1581		2361
1582	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1583	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1584	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2369	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2370	$map->load if $v;
		2371	}
1589		2372
1590	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1591	}	2374	}
1592	}	2375	}
1593	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1594	};	2377	};
1595	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1596		2379
1597	()	2380	()
1598	}	2381	}
1599		2382
		2383	# common code, used by both ->save and ->swapout
1600	sub save {	2384	sub _save {
1601	my ($self) = @_;	2385	my ($self) = @_;
1602
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1604		2386
1605	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1606		2388
1607	return unless $self->dirty;	2389	return unless $self->dirty;
1608		2390
…		…
1614	return if $self->{deny_save};	2396	return if $self->{deny_save};
1615		2397
1616	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1617		2399
1618	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1620	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1621		2406
1622	if ($uniq) {	2407	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2410	} else {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1627	}	2412	}
1628	}	2413	}
1629		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1630	sub swap_out {	2423	sub swap_out {
1631	my ($self) = @_;	2424	my ($self) = @_;
1632		2425
1633	# save first because save cedes
1634	$self->save;
1635
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1638	return if $self->players;	2430	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};
1641		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
1642	$self->clear;	2441	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2442	}
1645		2443
1646	sub reset_at {	2444	sub reset_at {
1647	my ($self) = @_;	2445	my ($self) = @_;
1648		2446
1649	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1652		2449
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2452
…		…
1666	my ($self) = @_;	2463	my ($self) = @_;
1667		2464
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2466
1670	return if $self->players;	2467	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2468
1673	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1674		2470
1675	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1676		2472
1677	# need to save uniques path	2473	# need to save uniques path
1678	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1679	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1680		2476
…		…
1682	if $uniq;	2478	if $uniq;
1683	}	2479	}
1684		2480
1685	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1686		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2485	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2486
1691	$self->unlink_save;	2487	$self->unlink_save;
1692	$self->destroy;	2488	$self->destroy;
1693	}	2489	}
1694		2490
1695	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1696		2492
1697	sub nuke {	2493	sub nuke {
1698	my ($self) = @_;	2494	my ($self) = @_;
1699		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1700	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1701		2500
1702	$self->unlink_save;	2501	$self->unlink_save;
1703		2502
1704	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1705	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2508
1710	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1711		2511
1712	$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	]
1713	}	2549	}
1714		2550
1715	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1716		2552
1717	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2554	instantiated unique items. May block.
1719		2555
1720	=cut	2556	=cut
1721		2557
1722	sub unique_maps() {	2558	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1724	or return;	2560	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2561	utf8::decode $_;
1730	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2564	? ()
1733	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2567	]
1735
1736	\@paths
1737	}	2568	}
1738		2569
1739	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	}
1740		2601
1741	=back	2602	=back
1742		2603
1743	=head3 cf::object	2604	=head3 cf::object
1744		2605
…		…
1748		2609
1749	=over 4	2610	=over 4
1750		2611
1751	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1752		2613
1753	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.
1754		2616
1755	=cut	2617	=cut
1756		2618
1757	sub inv_recursive_;	2619	sub inv_recursive_;
1758	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1761		2623
1762	sub inv_recursive {	2624	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1764	}	2626	}
1765		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
1766	package cf;	2656	package cf;
1767		2657
1768	=back	2658	=back
1769		2659
1770	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1776	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>
1777	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
1778	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1779		2669
1780	=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	};
1781		2685
1782	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1783	# with dialog boxes.	2687	# with dialog boxes.
1784	#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
1785	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1787		2691
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2693
1790	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1792	} 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 {
1793	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1795	}	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 (@_);
1796	}	2719	}
1797		2720
1798	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1799		2722
1800	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1813		2736
1814	=item $player_object->enter_link	2737	=item $player_object->enter_link
1815		2738
1816	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}>).
1817		2740
1818	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.
1819	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.
1820		2745
1821	Will never block.	2746	Will never block.
1822		2747
1823	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1824		2749
…		…
1844	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1845	my ($self) = @_;	2770	my ($self) = @_;
1846		2771
1847	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1848		2773
		2774	++$self->{_link_recursion};
		2775
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2777
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1853		2780
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1855	}	2782	}
1856		2783
1857	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1859		2788
1860	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1861		2790
1862	unless ($map) {	2791	unless ($map) {
1863	# restore original map position	2792	# restore original map position
…		…
1874	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1875	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1876		2805
1877	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1880		2809
1881	$map->load;	2810	$map->load;
1882	$map->load_diag;
1883		2811
1884	return unless $self->contr->active;	2812	return unless $self->contr->active;
1885	$self->activate_recursive;
1886		2813
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1889	}	2816	# entering was successful
1890		2817	delete $self->{_link_recursion};
1891	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1892	on_logout => sub {	2819	$self->activate_recursive;
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},	2820	}
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2821
1905	# try to abort aborted map switching on player login :)	2822	}
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922		2823
1923	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1924		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
1925	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1926		2838
1927	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1928	my ($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;
1929		2850
1930	$self->enter_link;	2851	$self->enter_link;
1931		2852
1932	(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
1933	my $map = eval {	2875	my $map = eval {
1934	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1935	$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
1936	$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 $@;
1937	} or	2891	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1941	})->prio (1);	2899	})->prio (1);
1942	}	2900	}
1943		2901
1944	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1945		2903
…		…
1965	}	2923	}
1966		2924
1967	sub prepare_random_map {	2925	sub prepare_random_map {
1968	my ($exit) = @_;	2926	my ($exit) = @_;
1969		2927
1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1973	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1974	# that depends on the exit object	2930	# that depends on the exit object
1975		2931
1976	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1978	if ($exit->map) {	2934	if ($exit->map) {
1979	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1980	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1981	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1982	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1983	}	2941	}
1984		2942
1985	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1986		2944
1987	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1990		2948
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2951	undef $fh;
1994	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1995		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1996	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1997	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1998	}	2960	}
1999	}	2961	}
2000		2962
2001	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2002	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2003		2965
2004	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2005		2967
2006	if ($exit->slaying eq "/!") {
2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
2008	# the problem is that $exit might not survive long enough
2009	# so it needs to be done right now, right here
2010	cf::sync_job { prepare_random_map $exit };
2011	}
2012
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;
2016
2017	$self->enter_link;	2968	$self->enter_link;
2018		2969
2019	(async {	2970	(async {
2020	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2021	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
2022	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2023		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
2024	1;	3009	1
2025	}) {	3010	}) {
2026	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2027	. "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. "
2028	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2029	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2030		3015
2031	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2032	$self->leave_link;	3017	$self->leave_link;
2033	}	3018	}
2034	})->prio (1);	3019	})->prio (1);
2035	}	3020	}
2036		3021
…		…
2050		3035
2051	utf8::encode $text;	3036	utf8::encode $text;
2052	$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);
2053	}	3038	}
2054		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
2055	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2056		3228
2057	Sends an exti event to the client.	3229	Sends an ext event to the client.
2058		3230
2059	=cut	3231	=cut
2060		3232
2061	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2063		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2066	}	3256	}
2067		3257
2068	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2069		3259
2070	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2071	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>,
2072	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>.
2073		3263
2074	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
2075	reliable at some point in the future.	3265	become reliable at some point in the future.
2076		3266
2077	=cut	3267	=cut
2078		3268
2079	sub cf::client::query {	3269	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	3278	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		3280
2091	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2093	}	3285	}
2094		3286
2095	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	},
2096	on_reply => sub {	3293	on_reply => sub {
2097	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2098		3295
2099	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2100	# get handled first	3297	# get handled first
…		…
2112	} else {	3309	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	3311	}
2115	}	3312	}
2116	},	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	},
2117	);	3337	);
2118		3338
2119	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2120		3340
2121	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2137		3357
2138	$coro	3358	$coro
2139	}	3359	}
2140		3360
2141	cf::client->attach (	3361	cf::client->attach (
2142	on_destroy => sub {	3362	on_client_destroy => sub {
2143	my ($ns) = @_;	3363	my ($ns) = @_;
2144		3364
2145	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2146	},	3366	},
2147	);	3367	);
…		…
2162	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2164		3384
2165	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2166		3386
2167	$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	));
2168		3392
2169	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2170		3394
2171	=pod	3395	=pod
2172		3396
2173	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2174		3398
2175	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
2176	cf::object::player player	3404	cf::object::player
2177	cf::player peaceful	3405	player
2178	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2179		3412
2180	=cut	3413	=cut
2181		3414
2182	for (	3415	for (
2183	["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)],
2184	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2186	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2187	) {	3422	) {
2188	no strict 'refs';
2189	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2191	for @funs;	3425	for @funs;
2192	}	3426	}
2193		3427
…		…
2208		3442
2209	my $qcode = $code;	3443	my $qcode = $code;
2210	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2211	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2212		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2213	local $_;	3450	local $_;
2214	local @safe::cf::_safe_eval_args = values %vars;
2215		3451
2216	my $eval =	3452	my $eval =
2217	"do {\n"	3453	"do {\n"
2218	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2219	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2220	. $code	3456	. $code
2221	. "\n}"	3457	. "\n}"
2222	;	3458	;
2223		3459
		3460	if ($CFG{safe_eval}) {
2224	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2225	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2226	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	}
2227		3469
2228	if ($@) {	3470	if ($@) {
2229	warn "$@";	3471	warn "$@",
2230	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2231	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2232	}	3474	}
2233		3475
2234	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2235	}	3477	}
2236		3478
…		…
2250	=cut	3492	=cut
2251		3493
2252	sub register_script_function {	3494	sub register_script_function {
2253	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2254		3496
2255	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2256	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2257	}	3499	}
2258		3500
2259	=back	3501	=back
2260		3502
2261	=cut	3503	=cut
2262
2263	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334		3504
2335	#############################################################################	3505	#############################################################################
2336	# the server's init and main functions	3506	# the server's init and main functions
2337		3507
2338	sub load_facedata {	3508	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3509	my ($path) = @_;
2340		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
2341	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2342		3518
2343	my $facedata;	3519	my $facedata = decode_storable load_file $path;
2344	0 < aio_load $path, $facedata
2345	or die "$path: $!";
2346
2347	$facedata = Coro::Storable::thaw $facedata;
2348		3520
2349	$facedata->{version} == 2	3521	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		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
2352	{	3533	{
2353	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
2354		3535
2355	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2360	Coro::cede;	3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3544
		3545	cf::cede_to_tick;
2361	}	3546	}
2362		3547
2363	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2365	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
2366	or next;	3552	or next;
		3553
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
		3555	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3557	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3559	}
2372	Coro::cede;	3560
		3561	cf::cede_to_tick;
2373	}	3562	}
2374	}	3563	}
2375		3564
2376	{	3565	{
2377	my $anims = $facedata->{animinfo};	3566	my $anims = $facedata->{animinfo};
2378		3567
2379	while (my ($anim, $info) = each %$anims) {	3568	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3570	cf::cede_to_tick;
2382	}	3571	}
2383		3572
2384	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
2385	}	3574	}
2386		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
2387	1	3597	1
2388	}	3598	}
2389		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
		3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
		3623	load_resource_file "$MAPDIR/regions"
		3624	or die "unable to load regions file\n";
		3625
		3626	for (cf::region::list) {
		3627	$_->{match} = qr/$_->{match}/
		3628	if exists $_->{match};
		3629	}
		3630	}
		3631
		3632	sub reload_facedata {
		3633	load_facedata "$DATADIR/facedata"
		3634	or die "unable to load facedata\n";
		3635	}
		3636
		3637	sub reload_archetypes {
		3638	load_resource_file "$DATADIR/archetypes"
		3639	or die "unable to load archetypes\n";
		3640	}
		3641
		3642	sub reload_treasures {
		3643	load_resource_file "$DATADIR/treasures"
		3644	or die "unable to load treasurelists\n";
		3645	}
		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
2390	sub reload_resources {	3667	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3668	trace "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3669
		3670	reload_exp_table;
		3671	reload_materials;
2393	load_facedata	3672	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3673	reload_sound;
2395	}	3674	reload_archetypes;
2396
2397	sub init {
2398	reload_resources;	3675	reload_regions;
2399	}	3676	reload_treasures;
2400		3677
2401	sub cfg_load {	3678	trace "finished reloading resource files\n";
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3679	}
2403	or return;
2404		3680
2405	local $/;	3681	sub reload_config {
2406	*CFG = YAML::Syck::Load <$fh>;	3682	trace "reloading config file...\n";
2407		3683
		3684	my $config = load_file "$CONFDIR/config";
		3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
		3687
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2409		3689
2410	$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};
2411	$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};
2412		3692
2413	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2417	};	3697	};
2418	warn $@ if $@;	3698	warn $@ if $@;
2419	}	3699	}
2420	}	3700	}
2421		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
2422	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
2423	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2425	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#
2426	(async {	3743	(async {
2427	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2429	};	3747	};
2430		3748
2431	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;
2432	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
2433	load_extensions;	3772	load_extensions;
2434		3773
2435	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2436	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;
2437	}	3791	}
2438		3792
2439	#############################################################################	3793	#############################################################################
2440	# initialisation and cleanup	3794	# initialisation and cleanup
2441		3795
2442	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2443	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2452	},
2453	);	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
2454	}	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 };
2455	}	3892	}
2456		3893
2457	sub emergency_save() {	3894	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2459		3896
2460	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;
2461		3903
2462	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2463	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2464	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2465	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2467	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3915	$pl->save;
2471	}	3916	}
2472	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2473		3918
2474	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";
2475	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2476	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2477	$map->valid or next;	3924	$map->valid or next;
2478	$map->save;	3925	$map->save;
2479	}	3926	}
2480	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2481		3928
2482	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";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2484	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
2485	};	3957	};
2486		3958
2487	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2488	}	3960	}
2489		3961
2490	sub post_cleanup {	3962	sub post_cleanup {
2491	my ($make_core) = @_;	3963	my ($make_core) = @_;
2492		3964
		3965	IO::AIO::flush;
		3966
2493	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3968	if $make_core;
2495	}
2496		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
2497	sub reload() {	3999	sub do_reload_perl() {
2498	# can/must only be called in main	4000	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2500	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2501	return;	4003	return;
2502	}	4004	}
2503		4005
2504	warn "reloading...";	4006	return if $RELOAD++;
2505		4007
2506	warn "entering sync_job";	4008	my $t1 = AE::time;
2507		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2508	cf::sync_job {	4016	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark
2510	cf::emergency_save;	4017	#cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark
2512		4018
2513	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;
2515
2516	# if anything goes wrong in here, we should simply crash as we already saved
2517
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";
2524	for (;;) {
2525	BDB::flush;
2526	IO::AIO::flush;
2527	Coro::cede;
2528	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";
2530	}
2531
2532	++$RELOAD;
2533
2534	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2535	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2536	%EXT_CORO = ();	4021	%EXT_CORO = ();
2537		4022
2538	warn "removing commands";	4023	trace "perl_reload: removing commands";
2539	%COMMAND = ();	4024	%COMMAND = ();
2540		4025
2541	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2542	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2543		4029
2544	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2547		4033
2548	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2549	eval {	4035	eval {
2550	$cb->($pkg);	4036	$cb->($pkg);
2551	1	4037	1
2552	} 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;
2553	}	4043	}
2554		4044
2555	warn "... nuking $pkg";
2556	Symbol::delete_package $pkg;
2557	}
2558
2559	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2560	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562		4048
2563	warn "... unloading $k";	4049	trace "... unloading $k";
2564	delete $INC{$k};	4050	delete $INC{$k};
2565		4051
2566	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2567	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2568		4054
2569	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2570	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2571	}	4060	}
2572		4061
2573	Symbol::delete_package $k;
2574	}
2575
2576	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2577	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2578	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);
2579		4065
2580	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
		4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2582		4069
2583	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2584	# and global variables created in xs	4071	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2586		4073
2587	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2588		4075
2589	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2590	require cf;	4077	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2592		4079
2593	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2594	cf::cfg_load;	4081	cf::reload_config;
2595		4082
2596	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2597	cf::load_extensions;	4084	cf::load_extensions;
2598		4085
		4086	if ($REATTACH_ON_RELOAD) {
2599	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2600	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
2601	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2602	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
2605		4094
2606	warn "loading reloadable resources";	4095	cf::_post_init 1;
2607	reload_resources;
2608		4096
2609	warn "leaving sync_job";	4097	trace "perl_reload: leaving sync_job";
2610		4098
2611	1	4099	1
2612	} or do {	4100	} or do {
2613	warn $@;	4101	error $@;
2614	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
2615	exit 1;	4103	};
		4104
		4105	--$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	};
2616	};	4125	};
2617		4126	}
2618	warn "reloaded";
2619	};
2620
2621	our $RELOAD_WATCHER; # used only during reload
2622		4127
2623	register_command "reload" => sub {	4128	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2625		4130
2626	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
2628		4133	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	4134	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	4135	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	4136	};
2641	}	4137	}
2642	};	4138	};
2643		4139
2644	unshift @INC, $LIBDIR;	4140	#############################################################################
2645		4141
2646	my $bug_warning = 0;	4142	my $bug_warning = 0;
2647		4143
2648	$TICK_WATCHER = Event->timer (	4144	sub wait_for_tick() {
2649	reentrant => 0,	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2650	parked => 1,	4146
2651	prio => 0,	4147	$WAIT_FOR_TICK->wait;
2652	at => $NEXT_TICK || $TICK,	4148	}
2653	data => WF_AUTOCANCEL,	4149
2654	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	$signal->wait;
		4156	}
		4157
		4158	sub tick {
2655	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2658	return;	4162	return;
2659	}	4163	}
2660		4164
2661	$NOW = Event::time;	4165	cf::one_tick; # one server iteration
2662		4166
2663	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		4168
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	4171	Coro::async_pool {
		4172	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	4173	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
2672	};
2673	}	4175	};
		4176	}
2674		4177
		4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4179	$sig->send;
		4180	}
2675	$WAIT_FOR_TICK->broadcast;	4181	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677		4182
2678	# my $AFTER = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2679	# warn $AFTER - $NOW;#d#	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2680		4185
2681	# if we are delayed by four ticks or more, skip them all	4186	if (0) {
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4187	if ($NEXT_TICK) {
2683		4188	my $jitter = $TICK_START - $NEXT_TICK;
2684	$TICK_WATCHER->at ($NEXT_TICK);	4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2685	$TICK_WATCHER->start;	4190	debug "jitter $JITTER\n";#d#
		4191	}
2686	},	4192	}
2687	);	4193	}
2688		4194
2689	{	4195	{
2690	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	4197
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
2700		4199	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		4201
2716	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
2717	$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);
2718		4209
2719	cf::sync_job {	4210	cf::sync_job {
2720	eval {	4211	eval {
2721	BDB::db_env_open	4212	BDB::db_env_open
2722	$DB_ENV,	4213	$DB_ENV,
2723	$BDB_ENV_DIR,	4214	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	4217	0666;
2727		4218
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	4220	};
2733		4221
2734	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	4223	};
2736	}	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	};
2737	}	4235	}
2738		4236
2739	{	4237	{
		4238	# configure IO::AIO
		4239
2740	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	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;
2753		4295
2754	END { cf::emergency_save }	4296	END { cf::emergency_save }
2755		4297
2756	1	4298	1
2757		4299

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