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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.595 by root, Fri Nov 9 16:27:55 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
		62	use IO::AIO ();
26	use Time::HiRes;	63	use Time::HiRes;
27	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
28		66
		67	AnyEvent::detect;
		68
		69	# configure various modules to our taste
		70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
		72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		79
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		82
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		84
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	85	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		86
40	our %COMMAND = ();	87	our %COMMAND = ();
41	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
42		89
43	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
47		97
48	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	99	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
51		102
52	our $TICK = MAX_TIME * 1e-6;	103	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	104
54	our $AIO_POLL_WATCHER;	105	our $DATADIR = datadir;
		106	our $LIBDIR = "$DATADIR/ext";
		107	our $PODDIR = "$DATADIR/pod";
		108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
		110	our $LOCALDIR = localdir;
		111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		114	our $RANDOMDIR = "$LOCALDIR/random";
		115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
		126
		127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
57	our $NOW;	145	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		146
60	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
61	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
62
63	our %CFG;
64
65	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;
67
68	our %PLAYER; # all users
69	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		150
77	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		153
		154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
		157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
80	binmode STDOUT;	167	binmode STDOUT;
81	binmode STDERR;	168	binmode STDERR;
82		169
83	# read virtual server time, if available	170	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	172	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
88	}	175	}
89		176
90	mkdir cf::localdir;	177	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	178
92	mkdir cf::localdir . "/" . cf::tmpdir;	179	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		181
97	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
98		183
99	sub cf::map::normalise;	184	sub cf::map::normalise;
100		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
101	#############################################################################	190	#############################################################################
102		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
103	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
104		204
105	=over 4	205	=over 4
106		206
107	=item $cf::UPTIME	207	=item $cf::UPTIME
108		208
109	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
110		225
111	=item $cf::RUNTIME	226	=item $cf::RUNTIME
112		227
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	229	every server tick.
115		230
116	=item $cf::LIBDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		234
118	The perl library directory, where extensions and cf-specific modules can	235	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		237	unique-items directory, player file directory, random maps directory and
		238	database environment.
120		239
		240	=item $cf::LOADAVG
		241
		242	The current CPU load on the server (alpha-smoothed), as a value between 0
		243	(none) and 1 (overloaded), indicating how much time is spent on processing
		244	objects per tick. Healthy values are < 0.5.
		245
121	=item $cf::NOW	246	=item $cf::LOAD
122		247
123	The time of the last (current) server tick.	248	The raw value load value from the last tick.
124
125	=item $cf::TICK
126
127	The interval between server ticks, in seconds.
128		249
129	=item %cf::CFG	250	=item %cf::CFG
130		251
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	253	from wherever your confdir points to.
133		254
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		256
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
140		289
141	=back	290	=back
142		291
143	=cut	292	=cut
144		293
145	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
146	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
147	my $msg = join "", @_;	301	my $msg = join "", @_;
148	utf8::encode $msg;
149		302
150	$msg .= "\n"	303	$msg .= "\n"
151	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
152		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
153	LOG llevError, $msg;	308	LOG llevWarn, $msg;
154	};	309	};
155	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
156		324
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		332
164	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	334	# within the Safe compartment.
166	for my $pkg (qw(	335	for my $pkg (qw(
167	cf::global cf::attachable	336	cf::global cf::attachable
168	cf::object cf::object::player	337	cf::object cf::object::player
169	cf::client cf::player	338	cf::client cf::player
170	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
171	cf::map cf::party cf::region	341	cf::party cf::region
172	)) {	342	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	344	}
176		345
177	$Event::DIED = sub {	346	$EV::DIED = sub {
178	warn "error in event callback: @_";	347	warn "error in event callback: $@";
179	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
180		356
181	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
182		358
183	=over 4	359	=over 4
184		360
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	380	$d
205	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
206	}	382	}
207		383
208	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
209		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
210	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
211		437
212	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
213		439
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
222		441
223	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
224		443
225	=cut	444	=cut
226		445
227	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
229	JSON::Syck::Dump $_[0]	448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
230	}	511	}
231		512
232	=item cf::lock_wait $string	513	=item cf::lock_wait $string
233		514
234	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
235		516
236	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
237		518
238	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
241	returned.	522	returned.
242		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
243	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
245		529
246	=cut	530	=item $locked = cf::lock_active $string
247		531
248	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
249		537
250	sub lock_wait($) {	538	sub lock_wait($) {
251	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	540	}
259		541
260	sub lock_acquire($) {	542	sub lock_acquire($) {
261	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
262		545
263	# wait, to be sure we are not locked	546	sub lock_active($) {
264	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	548	}
273		549
274	sub freeze_mainloop {	550	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
276		552
277	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
279	};	623	}
280	$TICK_WATCHER->stop;	624	};
281	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
282	}	639	}
283		640
284	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
285		642
286	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		648
292	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
293		650
294	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
295		652
296	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
299		657
300	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
303	fast or be very important.	661	fast or be very important.
…		…
305	=cut	663	=cut
306		664
307	sub sync_job(&) {	665	sub sync_job(&) {
308	my ($job) = @_;	666	my ($job) = @_;
309		667
310	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
311	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
313		673
314	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	675
316	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
317		677
318	my $busy = 1;	678	my $busy = 1;
319	my @res;	679	my @res;
320		680
321	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	683	@res = eval { $job->() };
323	warn $@ if $@;	684	error $@ if $@;
324	undef $busy;	685	undef $busy;
325	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
326		687
327	while ($busy) {	688	while ($busy) {
328	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
329	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
330		699
331	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
332	} else {	701	} else {
333	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
334		703
…		…
354	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
355		724
356	$coro	725	$coro
357	}	726	}
358		727
359	sub write_runtime {	728	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		729
362	my $runtime = cf::localdir . "/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
363		734
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
365	or return;
366		736
367	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
369	# 60 allows for the watchdog to kill the server.	739	}
370		740
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
372	and return;	742	my ($cb, @args) = @_;
373		743
374	# always fsync - this file is important	744	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	745	# otherwise perl prematurely frees the stuff :/
376	and return;	746	# TODO: investigate and fix (likely this will be rather laborious)
377		747
378	close $fh	748	my @res = Coro::Util::fork_eval {
379	or return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
380		752
381	aio_rename "$runtime~", $runtime	753	wantarray ? @res : $res[-1]
382	and return;	754	}
383		755
		756	sub objinfo {
384	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = Time::HiRes::time;
		907	my $data = $process->(\@data);
		908	my $t2 = Time::HiRes::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
		920	}
		921
		922	=item cf::datalog type => key => value, ...
		923
		924	Log a datalog packet of the given type with the given key-value pairs.
		925
		926	=cut
		927
		928	sub datalog($@) {
		929	my ($type, %kv) = @_;
		930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	931	}
386		932
387	=back	933	=back
388		934
389	=cut	935	=cut
390		936
391	#############################################################################	937	#############################################################################
392		938
393	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
394		940
395	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
398		944
399	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	947	Deliantra).
402		948
403	=over 4	949	=over 4
404		950
405	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
406		952
…		…
450	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
451		997
452	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
454		1000
455	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
457		1003
458	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
459		1005
460	=over 4	1006	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
570		1116
571	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1121
576	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
578		1124
579	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
584		1130
585	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1133
588	} elsif (ref $type) {	1134	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
590		1136
591	} else {	1137	} else {
592	shift @arg;	1138	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
594	}	1140	}
595	}	1141	}
596	}	1142	}
597		1143
598	sub _object_attach {	1144	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
609	}	1155	}
610		1156
611	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
612	} else {	1158	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1160	}
615		1161
616	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
617	}	1163	}
618		1164
…		…
620	if (ref $_[0]) {	1166	if (ref $_[0]) {
621	_object_attach @_;	1167	_object_attach @_;
622	} else {	1168	} else {
623	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
624	}	1170	}
		1171	_recalc_want;
625	};	1172	};
626		1173
627	# all those should be optimised	1174	# all those should be optimised
628	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1180	reattach ($obj);
634	} else {	1181	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
636	}	1183	}
		1184	_recalc_want;
637	};	1185	};
638		1186
639	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
641		1189
…		…
656	";	1204	";
657	die if $@;	1205	die if $@;
658	}	1206	}
659		1207
660	our $override;	1208	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1210
663	sub override {	1211	sub override {
664	$override = 1;	1212	$override = 1;
665	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
666	}	1214	}
667		1215
668	sub do_invoke {	1216	sub do_invoke {
669	my $event = shift;	1217	my $event = shift;
670	my $callbacks = shift;	1218	my $callbacks = shift;
671		1219
672	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
673		1221
674	local $override;	1222	local $override;
675		1223
676	for (@$callbacks) {	1224	for (@$callbacks) {
677	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
678		1226
679	if ($@) {	1227	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1229	override;
683	}	1230	}
684		1231
685	return 1 if $override;	1232	return 1 if $override;
686	}	1233	}
687		1234
688	0	1235	0
689	}	1236	}
690		1237
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1239
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1241
695	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
696		1243
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1247
701	=back	1248	=back
702		1249
703	=cut	1250	=cut
704		1251
705	#############################################################################	1252	#############################################################################
706	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
707		1296
708	sub reattach {	1297	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1299	my ($obj) = @_;
711		1300
		1301	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1303
714	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
715		1305
716	@$registry = ();	1306	@$registry = ();
717		1307
…		…
722	for (@$attach) {	1312	for (@$attach) {
723	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
725	}	1315	}
726	} else {	1316	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1318	}
729	}	1319	}
730	}	1320	}
731		1321
732	cf::attachable->attach (	1322	cf::attachable->attach (
733	prio => -1000000,	1323	prio => -1000000,
734	on_instantiate => sub {	1324	on_instantiate => sub {
735	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
736		1326
737	$data = from_json $data;	1327	$data = decode_json $data;
738		1328
739	for (@$data) {	1329	for (@$data) {
740	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
741		1331
742	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1348	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
760		1350
761	sync_job {	1351	sync_job {
762	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
765		1357
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
770	close $fh;	1365	aio_close $fh;
771		1366
772	if (@$objs) {	1367	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
778	close $fh;	1376	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
780	}	1378	}
781	} else {	1379	} else {
782	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
783	}	1381	}
784		1382
785	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1387	} else {
787	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
788	}	1389	}
789	} else {	1390	} else {
790	aio_unlink $filename;	1391	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
792	}	1393	}
793	}	1394	};
794	}	1395	}
795		1396
796	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
798		1399
…		…
810	or return;	1411	or return;
811		1412
812	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
814	or return;	1415	or return;
		1416
815	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
816	}	1419	}
817		1420
		1421	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
820	return ($data, $av);	1426	($data, $av)
821	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
822		1434
823	#############################################################################	1435	#############################################################################
824	# command handling &c	1436	# command handling &c
825		1437
826	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
827		1439
828	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
829	$name.	1441	$name.
830		1442
831	=cut	1443	=cut
…		…
837	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
838		1450
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1452	}
841		1453
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
843		1455
844	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
845		1461
846	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
847	called.
848		1463
849	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
850		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
851	sub register_extcmd {	1486	sub register_extcmd($$) {
852	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
853		1488
854	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
855	}	1490	}
856		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
857	cf::player->attach (	1512	cf::player->attach (
858	on_command => sub {	1513	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
860		1515
861	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
862	or return;	1517	or return;
863		1518
…		…
868	cf::override;	1523	cf::override;
869	},	1524	},
870	on_extcmd => sub {	1525	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
872		1527
873	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1529
875	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
878	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
879	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
880	}	1551	}
		1552
881	} else {	1553	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1555	}
884		1556
885	cf::override;	1557	cf::override;
886	},	1558	},
887	);	1559	);
888		1560
		1561	# "readahead" all extensions
889	sub load_extension {	1562	sub cache_extensions {
890	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
891		1564
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1568	}
917	die $@;
918	}	1569	};
919		1570
920	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
921	}	1583	}
922		1584
923	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
924	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1594	next unless -r $path;
926	eval {	1595
927	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
928	1	1668	}
929	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
930	}	1681	};
931	}	1682	}
932		1683
933	#############################################################################	1684	#############################################################################
934		1685
		1686	=back
		1687
935	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
936		1689
937	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
938		1691
939	=cut	1692	=cut
940		1693
941	package cf::player;	1694	package cf::player;
942		1695
…		…
944		1697
945	=head3 cf::player	1698	=head3 cf::player
946		1699
947	=over 4	1700	=over 4
948		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
949	=item cf::player::find $login	1716	=item cf::player::find $login
950		1717
951	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
952		1719
953	=cut	1720	=cut
954		1721
955	sub playerdir($) {	1722	sub playerdir($) {
956	cf::localdir	1723	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1725	}
962		1726
963	sub path($) {	1727	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1729
966	(playerdir $login) . "/$login.pl"	1730	(playerdir $login) . "/playerdata"
967	}	1731	}
968		1732
969	sub find_active($) {	1733	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1734	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1735	and $cf::PLAYER{$_[0]}->active
…		…
974		1738
975	sub exists($) {	1739	sub exists($) {
976	my ($login) = @_;	1740	my ($login) = @_;
977		1741
978	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
980	}	1744	}
981		1745
982	sub find($) {	1746	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1748	my $login = $_[0];
985		1749
986	my $guard = cf::lock_acquire "user_find:$login";	1750	my $guard = cf::lock_acquire "user_find:$login";
987		1751
988	$cf::PLAYER{$_[0]} || do {	1752	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1753	# rename old playerfiles to new ones
		1754	#TODO: remove when no longer required
		1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1758	aio_unlink +(playerdir $login) . "/$login.pl";
		1759
		1760	my $f = new_from_file cf::object::thawer path $login
990	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
992	}	1769	}
993	}	1770	}
994	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
995		1785
996	sub save($) {	1786	sub save($) {
997	my ($pl) = @_;	1787	my ($pl) = @_;
998		1788
999	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1005		1795
1006	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1008		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1009	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1010	Coro::cede;	1805	cf::cede_to_tick;
1011	}	1806	}
1012		1807
1013	sub new($) {	1808	sub new($) {
1014	my ($login) = @_;	1809	my ($login) = @_;
1015		1810
…		…
1021	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1022		1817
1023	$self	1818	$self
1024	}	1819	}
1025		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1026	=item $pl->quit_character	1831	=item $pl->quit_character
1027		1832
1028	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1030		1835
…		…
1034	my ($pl) = @_;	1839	my ($pl) = @_;
1035		1840
1036	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1037		1842
1038	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1845
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1044	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1045		1854
1046	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1078		1887
1079	=cut	1888	=cut
1080		1889
1081	sub list_logins {	1890	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1892	or return [];
1084		1893
1085	my @logins;	1894	my @logins;
1086		1895
1087	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1091		1906
1092	utf8::decode $login;	1907	utf8::decode $login;
1093	push @logins, $login;	1908	push @logins, $login;
1094	}	1909	}
1095		1910
1096	\@logins	1911	\@logins
1097	}	1912	}
1098		1913
1099	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1100		1917
1101	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1102	player. May block.	1919	player. May block.
1103		1920
1104	=cut	1921	=cut
…		…
1122	}	1939	}
1123		1940
1124	\@paths	1941	\@paths
1125	}	1942	}
1126		1943
		1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1945
		1946	Expand deliantra pod fragments into protocol xml.
		1947
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1948	=item $player->ext_msg ($type, @msg)
1128		1949
1129	Sends an ext reply to the player.	1950	Sends an ext event to the client.
1130		1951
1131	=cut	1952	=cut
1132		1953
1133	sub ext_reply($$$%) {	1954	sub ext_msg($$@) {
1134	my ($self, $id, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1135		1956
1136	$msg{msgid} = $id;	1957	$self->ns->ext_msg ($type, @msg);
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1958	}
1140		1959
1141	package cf;	1960	=head3 cf::region
		1961
		1962	=over 4
		1963
		1964	=cut
		1965
		1966	package cf::region;
		1967
		1968	=item cf::region::find_by_path $path
		1969
		1970	Tries to decuce the likely region for a map knowing only its path.
		1971
		1972	=cut
		1973
		1974	sub find_by_path($) {
		1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
		1979	my ($match, $specificity);
		1980
		1981	for my $region (list) {
		1982	if ($region->{match} && $path =~ $region->{match}) {
		1983	($match, $specificity) = ($region, $region->specificity)
		1984	if $region->specificity > $specificity;
		1985	}
		1986	}
		1987
		1988	$match
		1989	}
1142		1990
1143	=back	1991	=back
1144
1145		1992
1146	=head3 cf::map	1993	=head3 cf::map
1147		1994
1148	=over 4	1995	=over 4
1149		1996
…		…
1161	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1163		2010
1164	sub generate_random_map {	2011	sub generate_random_map {
1165	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1166	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1167	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1178	(cf::region::find $rmp->{region}), $rmp->{custom}
1179	)
1180	}	2017	}
1181		2018
1182	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1183		2020
1184	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1189		2026
1190	sub register {	2027	sub register {
1191	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	2029	my $pkg = caller;
1193		2030
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		2032
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	2034	}
1199		2035
1200	# also paths starting with '/'	2036	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		2038
1203	sub thawer_merge {	2039	sub thawer_merge {
1204	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1205		2041
1206	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1207	local $self->{path};	2043	local $self->{path};
1208	local $self->{load_path};	2044	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		2045
1212	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1213	}	2047	}
1214		2048
1215	sub normalise {	2049	sub normalise {
1216	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1217		2051
1218	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1219		2053
1220	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1221		2055
1222	# map plan:	2056	# map plan:
1223	#	2057	#
…		…
1238	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1239	$path = "$base/$path";	2073	$path = "$base/$path";
1240	}	2074	}
1241		2075
1242	for ($path) {	2076	for ($path) {
1243	redo if s{//}{/};
1244	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1245	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1246	}	2079	}
1247		2080
1248	$path	2081	$path
…		…
1262	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1263	return $self;	2096	return $self;
1264	}	2097	}
1265	}	2098	}
1266		2099
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	2101	()
1269	}	2102	}
1270		2103
		2104	# may re-bless or do other evil things
1271	sub init {	2105	sub init {
1272	my ($self) = @_;	2106	my ($self) = @_;
1273		2107
1274	$self	2108	$self
1275	}	2109	}
…		…
1287		2121
1288	# the original (read-only) location	2122	# the original (read-only) location
1289	sub load_path {	2123	sub load_path {
1290	my ($self) = @_;	2124	my ($self) = @_;
1291		2125
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1293	}	2127	}
1294		2128
1295	# the temporary/swap location	2129	# the temporary/swap location
1296	sub save_path {	2130	sub save_path {
1297	my ($self) = @_;	2131	my ($self) = @_;
1298		2132
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1301	}	2135	}
1302		2136
1303	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1304	sub uniq_path {	2138	sub uniq_path {
1305	my ($self) = @_;	2139	my ($self) = @_;
1306		2140
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1309	}	2143	}
1310		2144
1311	# and all this just because we cannot iterate over	2145	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	2146	my ($self) = @_;
1315		2147
1316	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1318	}	2151	}
1319		2152
1320	sub unlink_save {	2153	sub unlink_save {
1321	my ($self) = @_;	2154	my ($self) = @_;
1322		2155
…		…
1327		2160
1328	sub load_header_from($) {	2161	sub load_header_from($) {
1329	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1330		2163
1331	utf8::encode $path;	2164	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2166	or return;
1337		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1338	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1339		2175
1340	1	2176	1
1341	}	2177	}
1342		2178
		2179	# used to laod the header of an original map
1343	sub load_header_orig {	2180	sub load_header_orig {
1344	my ($self) = @_;	2181	my ($self) = @_;
1345		2182
1346	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1347	}	2184	}
1348		2185
		2186	# used to laod the header of an instantiated map
1349	sub load_header_temp {	2187	sub load_header_temp {
1350	my ($self) = @_;	2188	my ($self) = @_;
1351		2189
1352	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1353	}	2191	}
1354		2192
		2193	# called after loading the header from an instantiated map
1355	sub prepare_temp {	2194	sub prepare_temp {
1356	my ($self) = @_;	2195	my ($self) = @_;
1357		2196
1358	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1359	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1360	# safety	2199	# safety
1361	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1362	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1363	}	2202	}
1364		2203
		2204	# called after loading the header from an original map
1365	sub prepare_orig {	2205	sub prepare_orig {
1366	my ($self) = @_;	2206	my ($self) = @_;
1367		2207
1368	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1369	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1380	$self->load_header_orig	2220	$self->load_header_orig
1381	or return;	2221	or return;
1382	$self->prepare_orig;	2222	$self->prepare_orig;
1383	}	2223	}
1384		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
		2228	$self->default_region (cf::region::find_by_path $self->{path})
		2229	unless $self->default_region;
		2230
1385	1	2231	1
1386	}	2232	}
1387		2233
1388	sub find;	2234	sub find;
1389	sub find {	2235	sub find {
1390	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1391		2237
		2238	cf::cede_to_tick;
		2239
1392	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1393		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2244
1396	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1399	or return;	2247	or return;
1400		2248
1401	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1402		2250
1403	$map->load_header	2251	$map->load_header
1404	or return;	2252	or return;
1405		2253
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1409	$map->reset;	2259	$map->reset;
1410	undef $guard;
1411	return find $path;	2260	return find $path;
1412	}	2261	}
1413		2262
1414	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1415	}	2264	}
1416	}	2265	}
1417		2266
1418	sub pre_load { }	2267	sub pre_load { }
1419	sub post_load { }	2268	#sub post_load { } # XS
1420		2269
1421	sub load {	2270	sub load {
1422	my ($self) = @_;	2271	my ($self) = @_;
1423		2272
1424	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1425		2274
1426	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1428		2279
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1430		2282
1431	$self->in_memory (cf::MAP_LOADING);
1432
1433	$self->alloc;	2283	$self->alloc;
1434		2284
1435	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1436		2287
1437	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1438	or return;	2292	or return;
1439		2293
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1441	if delete $self->{load_original};	2295	if delete $self->{load_original};
1442		2296
1443	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2298	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2301	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1448	}	2306	}
1449	}
1450		2307
1451	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1452		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1453	# now do the right thing for maps	2317	# now do the right thing for maps
1454	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2320	unless $self->difficulty;
1464	Coro::cede;	2321	cf::cede_to_tick;
1465	$self->activate;	2322
		2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1466	}	2333	}
1467		2334
1468	$self->post_load;	2335	$self->post_load;
1469		2336
1470	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1471	}	2338	}
1472		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2343	sub customise_for {
1474	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1475		2345
1476	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2347	if $self->per_player;
1478		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1479	$self	2352	$self
1480	}
1481
1482	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {
1484	my ($map) = @_;
1485
1486	my @diag; # diagonal neighbours
1487
1488	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)
1490	or next;
1491	$neigh = find $neigh, $map
1492	or next;
1493	$neigh->load;
1494
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}
1498
1499	for (@diag) {
1500	my $neigh = find @$_
1501	or next;
1502	$neigh->load;
1503	}
1504	}	2353	}
1505		2354
1506	sub find_sync {	2355	sub find_sync {
1507	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1508		2357
1509	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1510	}	2363	}
1511		2364
1512	sub do_load_sync {	2365	sub do_load_sync {
1513	my ($map) = @_;	2366	my ($map) = @_;
1514		2367
1515	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1516	}	2373	}
1517		2374
1518	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1520		2377
1521	sub find_async {	2378	sub find_async {
1522	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1523		2380
1524	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1525		2382
1526	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1528	}	2385	}
1529		2386
1530	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1531	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1532	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2394	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2395	$map->load if $v;
		2396	}
1537		2397
1538	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1539	}	2399	}
1540	}	2400	}
1541	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1542	};	2402	};
1543	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1544		2404
1545	()	2405	()
1546	}	2406	}
1547		2407
		2408	# common code, used by both ->save and ->swapout
1548	sub save {	2409	sub _save {
1549	my ($self) = @_;	2410	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2411
1553	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1554		2413
1555	return unless $self->dirty;	2414	return unless $self->dirty;
1556		2415
…		…
1562	return if $self->{deny_save};	2421	return if $self->{deny_save};
1563		2422
1564	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1565		2424
1566	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1568	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1569		2431
1570	if ($uniq) {	2432	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2435	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2437	}
1576	}	2438	}
1577		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1578	sub swap_out {	2448	sub swap_out {
1579	my ($self) = @_;	2449	my ($self) = @_;
1580		2450
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1586	return if $self->players;	2455	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1590	$self->clear;	2466	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2467	}
1593		2468
1594	sub reset_at {	2469	sub reset_at {
1595	my ($self) = @_;	2470	my ($self) = @_;
1596		2471
1597	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1600		2474
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2477
…		…
1614	my ($self) = @_;	2488	my ($self) = @_;
1615		2489
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2491
1618	return if $self->players;	2492	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2493
1621	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1622		2495
1623	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1624		2497
1625	# need to save uniques path	2498	# need to save uniques path
1626	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1627	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1628		2501
…		…
1630	if $uniq;	2503	if $uniq;
1631	}	2504	}
1632		2505
1633	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1634		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2510	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2511
1639	$self->unlink_save;	2512	$self->unlink_save;
1640	$self->destroy;	2513	$self->destroy;
1641	}	2514	}
1642		2515
1643	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1644		2517
1645	sub nuke {	2518	sub nuke {
1646	my ($self) = @_;	2519	my ($self) = @_;
1647		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1648	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1649		2525
1650	$self->unlink_save;	2526	$self->unlink_save;
1651		2527
1652	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2533
1658	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1659		2536
1660	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1661	}	2574	}
1662		2575
1663	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1664		2577
1665	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2579	instantiated unique items. May block.
1667		2580
1668	=cut	2581	=cut
1669		2582
1670	sub unique_maps() {	2583	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1672	or return;	2585	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2586	utf8::decode $_;
1678	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2589	? ()
1681	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2592	]
1683
1684	\@paths
1685	}	2593	}
1686		2594
1687	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1688		2626
1689	=back	2627	=back
1690		2628
1691	=head3 cf::object	2629	=head3 cf::object
1692		2630
…		…
1696		2634
1697	=over 4	2635	=over 4
1698		2636
1699	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1700		2638
1701	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1702		2641
1703	=cut	2642	=cut
1704		2643
1705	sub inv_recursive_;	2644	sub inv_recursive_;
1706	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1709		2648
1710	sub inv_recursive {	2649	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1712	}	2651	}
1713		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1714	package cf;	2681	package cf;
1715		2682
1716	=back	2683	=back
1717		2684
1718	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1727		2694
1728	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1729		2710
1730	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2712	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1735		2716
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2718
1738	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1740	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1743	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1744	}	2744	}
1745		2745
1746	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1747		2747
1748	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1761		2761
1762	=item $player_object->enter_link	2762	=item $player_object->enter_link
1763		2763
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2765
1766	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1768		2770
1769	Will never block.	2771	Will never block.
1770		2772
1771	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1772		2774
…		…
1792	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2795	my ($self) = @_;
1794		2796
1795	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1796		2798
		2799	++$self->{_link_recursion};
		2800
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2802
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1801		2805
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2807	}
1804		2808
1805	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1807		2813
1808	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1809		2815
1810	unless ($map) {	2816	unless ($map) {
1811	# restore original map position	2817	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1824		2830
1825	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1828		2834
1829	$map->load;	2835	$map->load;
1830	$map->load_diag;
1831		2836
1832	return unless $self->contr->active;	2837	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2838
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1837	}	2841	# entering was successful
1838		2842	delete $self->{_link_recursion};
1839	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2844	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2845	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2846
1853	# try to abort aborted map switching on player login :)	2847	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2848
1871	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1873	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1874		2863
1875	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2875
1878	$self->enter_link;	2876	$self->enter_link;
1879		2877
1880	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1881	my $map = eval {	2900	my $map = eval {
1882	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1884	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2916	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1889	})->prio (1);	2924	})->prio (1);
1890	}	2925	}
1891		2926
1892	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1893		2928
…		…
1913	}	2948	}
1914		2949
1915	sub prepare_random_map {	2950	sub prepare_random_map {
1916	my ($exit) = @_;	2951	my ($exit) = @_;
1917		2952
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2955	# that depends on the exit object
1923		2956
1924	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2959	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1931	}	2966	}
1932		2967
1933	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1934		2969
1935	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1938		2973
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2976	undef $fh;
1942	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1943		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1946	}	2985	}
1947	}	2986	}
1948		2987
1949	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
1951		2990
1952	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
1953		2992
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2993	$self->enter_link;
1964		2994
1965	(async {	2995	(async {
1966	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
1967	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
1968	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
1969		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
1970	1;	3034	1
1971	}) {	3035	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
1976		3040
1977	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	3042	$self->leave_link;
1979	}	3043	}
1980	})->prio (1);	3044	})->prio (1);
1981	}	3045	}
1982		3046
…		…
1993		3057
1994	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
1996		3060
1997	utf8::encode $text;	3061	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	3063	}
2000		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
		3252	=item $client->ext_msg ($type, @msg)
		3253
		3254	Sends an ext event to the client.
		3255
		3256	=cut
		3257
		3258	sub cf::client::ext_msg($$@) {
		3259	my ($self, $type, @msg) = @_;
		3260
		3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3262	}
2001		3263
2002	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2003		3265
2004	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3269
2008	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3271	become reliable at some point in the future.
2010		3272
2011	=cut	3273	=cut
2012		3274
2013	sub cf::client::query {	3275	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3284	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3286
2025	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2027	}	3291	}
2028		3292
2029	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2030	on_reply => sub {	3299	on_reply => sub {
2031	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2032		3301
2033	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2034	# get handled first	3303	# get handled first
…		…
2046	} else {	3315	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3317	}
2049	}	3318	}
2050	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2051	);	3353	);
2052		3354
2053	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2054		3356
2055	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3373
2072	$coro	3374	$coro
2073	}	3375	}
2074		3376
2075	cf::client->attach (	3377	cf::client->attach (
2076	on_destroy => sub {	3378	on_client_destroy => sub {
2077	my ($ns) = @_;	3379	my ($ns) = @_;
2078		3380
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3382	},
2081	);	3383	);
…		…
2096	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2098		3400
2099	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2100		3402
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2102		3408
2103	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2104		3410
2105	=pod	3411	=pod
2106		3412
2107	The following fucntions and emthods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2108		3414
2109	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2110	cf::object::player player	3420	cf::object::player
2111	cf::player peaceful	3421	player
2112	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2113		3428
2114	=cut	3429	=cut
2115		3430
2116	for (	3431	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2121	) {	3438	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3441	for @funs;
2126	}	3442	}
2127		3443
…		…
2142		3458
2143	my $qcode = $code;	3459	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2146		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2147	local $_;	3466	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3467
2150	my $eval =	3468	my $eval =
2151	"do {\n"	3469	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3472	. $code
2155	. "\n}"	3473	. "\n}"
2156	;	3474	;
2157		3475
		3476	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2161		3485
2162	if ($@) {	3486	if ($@) {
2163	warn "$@";	3487	warn "$@",
2164	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2166	}	3490	}
2167		3491
2168	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2169	}	3493	}
2170		3494
…		…
2184	=cut	3508	=cut
2185		3509
2186	sub register_script_function {	3510	sub register_script_function {
2187	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2188		3512
2189	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2191	}	3515	}
2192		3516
2193	=back	3517	=back
2194		3518
2195	=cut	3519	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3520
2269	#############################################################################	3521	#############################################################################
2270	# the server's init and main functions	3522	# the server's init and main functions
2271		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
2272	sub load_faces {	3527	sub add_face {
2273	my $path = sprintf "%s/faces", cf::datadir;	3528	my ($name, $type, $data) = @_;
2274		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
		3548	sub load_facedata($) {
		3549	my ($path) = @_;
		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2275	warn "loading faces from $path\n";	3557	trace "loading facedata from $path\n";
2276		3558
2277	my $faces;	3559	my $facedata = decode_storable load_file $path;
2278	0 < aio_load $path, $faces
2279	or die "$path: $!";
2280		3560
2281	Coro::cede;	3561	$facedata->{version} == 2
2282	$faces = Storable::thaw $faces;	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2283	Coro::cede;
2284		3563
2285	while (my ($face, $info) = each %$faces) {	3564	cf::cede_to_tick;
		3565
		3566	{
		3567	my $faces = $facedata->{faceinfo};
		3568
		3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572
		3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
		3581	}
		3582
		3583	while (my ($face, $info) = each %$faces) {
		3584	next unless $info->{smooth};
		3585
		3586	my $idx = cf::face::find $face
		3587	or next;
		3588
		3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
		3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3592	} else {
		3593	error "smooth face '$info->{smooth}' not found for face '$face'";
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
2290	}	3600	{
		3601	my $anims = $facedata->{animinfo};
		3602
		3603	while (my ($anim, $info) = each %$anims) {
		3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3605	cf::cede_to_tick;
		3606	}
		3607
		3608	cf::anim::invalidate_all; # d'oh
		3609	}
		3610
		3611	{
		3612	my $res = $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3632
2292	1	3633	1
2293	}	3634	}
2294		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	add_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
		3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
		3672	load_resource_file "$MAPDIR/regions"
		3673	or die "unable to load regions file\n";
		3674
		3675	for (cf::region::list) {
		3676	$_->{match} = qr/$_->{match}/
		3677	if exists $_->{match};
		3678	}
		3679	}
		3680
		3681	sub reload_facedata {
		3682	load_facedata "$DATADIR/facedata"
		3683	or die "unable to load facedata\n";
		3684	}
		3685
		3686	sub reload_archetypes {
		3687	load_resource_file "$DATADIR/archetypes"
		3688	or die "unable to load archetypes\n";
		3689
		3690	add_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	add_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
		3698	}
		3699
		3700	sub reload_treasures {
		3701	load_resource_file "$DATADIR/treasures"
		3702	or die "unable to load treasurelists\n";
		3703	}
		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
2295	sub reload_resources {	3725	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3726	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3727
		3728	reload_materials;
2298	load_faces	3729	reload_facedata;
2299	or die "unable to load faces\n";#d#	3730	reload_exp_table;
2300	}	3731	reload_sound;
2301		3732	reload_archetypes;
2302	sub init {
2303	reload_resources;	3733	reload_regions;
2304	}	3734	reload_treasures;
2305		3735
2306	sub cfg_load {	3736	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3737	}
2308	or return;
2309		3738
2310	local $/;	3739	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3740	trace "reloading config file...\n";
2312		3741
		3742	my $config = load_file "$CONFDIR/config";
		3743	utf8::decode $config;
		3744	*CFG = decode_yaml $config;
		3745
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3747
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3750
2318	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2322	};	3755	};
2323	warn $@ if $@;	3756	warn $@ if $@;
2324	}	3757	}
2325	}	3758	}
2326		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
2327	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
2328	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3801	(async {
2332	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2334	};	3805	};
2335		3806
2336	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2337	db_init;	3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
2338	load_extensions;	3831	load_extensions;
2339		3832
2340	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
2342	}	3850	}
2343		3851
2344	#############################################################################	3852	#############################################################################
2345	# initialisation and cleanup	3853	# initialisation and cleanup
2346		3854
2347	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2348	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2357	},
2358	);	3861	};
		3862	}
		3863	}
		3864
		3865	sub write_runtime_sync {
		3866	my $t0 = AE::time;
		3867
		3868	# first touch the runtime file to show we are still running:
		3869	# the fsync below can take a very very long time.
		3870
		3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3872
		3873	my $guard = cf::lock_acquire "write_runtime";
		3874
		3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3876	or return;
		3877
		3878	my $value = $cf::RUNTIME + 90 + 10;
		3879	# 10 is the runtime save interval, for a monotonic clock
		3880	# 60 allows for the watchdog to kill the server.
		3881
		3882	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3883	and return;
		3884
		3885	# always fsync - this file is important
		3886	aio_fsync $fh
		3887	and return;
		3888
		3889	# touch it again to show we are up-to-date
		3890	aio_utime $fh, undef, undef;
		3891
		3892	close $fh
		3893	or return;
		3894
		3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3896	and return;
		3897
		3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3899
2359	}	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
2360	}	3951	}
2361		3952
2362	sub emergency_save() {	3953	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2364		3955
2365	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
2366		3962
2367	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2368	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3974	$pl->save;
2376	}	3975	}
2377	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2378		3977
2379	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3983	$map->valid or next;
2383	$map->save;	3984	$map->save;
2384	}	3985	}
2385	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2386		3987
2387	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2390	};	4016	};
2391		4017
2392	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2393	}	4019	}
2394		4020
2395	sub post_cleanup {	4021	sub post_cleanup {
2396	my ($make_core) = @_;	4022	my ($make_core) = @_;
2397		4023
		4024	IO::AIO::flush;
		4025
2398	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	4027	if $make_core;
2400	}
2401		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
		4056	}
		4057
2402	sub reload() {	4058	sub do_reload_perl() {
2403	# can/must only be called in main	4059	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2405	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2406	return;	4062	return;
2407	}	4063	}
2408		4064
2409	warn "reloading...";	4065	return if $RELOAD++;
2410		4066
2411	warn "entering sync_job";	4067	my $t1 = AE::time;
2412		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
2413	cf::sync_job {	4075	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	4076	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		4077
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	4080	%EXT_CORO = ();
2442		4081
2443	warn "removing commands";	4082	trace "perl_reload: removing commands";
2444	%COMMAND = ();	4083	%COMMAND = ();
2445		4084
2446	warn "removing ext commands";	4085	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	4086	%EXTCMD = ();
		4087	%EXTICMD = ();
2448		4088
2449	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2452		4092
2453	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2454	eval {	4094	eval {
2455	$cb->($pkg);	4095	$cb->($pkg);
2456	1	4096	1
2457	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
2458	}	4102	}
2459		4103
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		4107
2468	warn "... unloading $k";	4108	trace "... unloading $k";
2469	delete $INC{$k};	4109	delete $INC{$k};
2470		4110
2471	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2473		4113
2474	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2476	}	4119	}
2477		4120
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		4124
2485	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
		4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		4128
2488	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2489	# and global variables created in xs	4130	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2491		4132
2492	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2493		4134
2494	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2495	require cf;	4136	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2497		4138
2498	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	4140	cf::reload_config;
2500		4141
2501	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	4143	cf::load_extensions;
2503		4144
		4145	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
2510		4153
2511	warn "loading reloadable resources";	4154	cf::_post_init 1;
2512	reload_resources;
2513		4155
2514	warn "leaving sync_job";	4156	trace "perl_reload: leaving sync_job";
2515		4157
2516	1	4158	1
2517	} or do {	4159	} or do {
2518	warn $@;	4160	error $@;
2519	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	4162	};
		4163
		4164	--$RELOAD;
		4165	}
		4166
		4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
		4169	};
		4170
		4171	our $RELOAD_WATCHER; # used only during reload
		4172
		4173	sub reload_perl() {
		4174	# doing reload synchronously and two reloads happen back-to-back,
		4175	# coro crashes during coro_state_free->destroy here.
		4176
		4177	$RELOAD_WATCHER ||= cf::async {
		4178	Coro::AIO::aio_wait cache_extensions;
		4179
		4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4181	do_reload_perl;
		4182	undef $RELOAD_WATCHER;
		4183	};
2521	};	4184	};
2522		4185	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4186
2528	register_command "reload" => sub {	4187	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
2530		4189
2531	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
2533		4192	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4193	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4194	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4195	};
2546	}	4196	}
2547	};	4197	};
2548		4198
2549	unshift @INC, $LIBDIR;	4199	#############################################################################
2550		4200
2551	my $bug_warning = 0;	4201	my $bug_warning = 0;
2552		4202
2553	$TICK_WATCHER = Event->timer (	4203	sub wait_for_tick() {
2554	reentrant => 0,	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2555	parked => 1,	4205
2556	prio => 0,	4206	$WAIT_FOR_TICK->wait;
2557	at => $NEXT_TICK || $TICK,	4207	}
2558	data => WF_AUTOCANCEL,	4208
2559	cb => sub {	4209	sub wait_for_tick_begin() {
		4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4211
		4212	my $signal = new Coro::Signal;
		4213	push @WAIT_FOR_TICK_BEGIN, $signal;
		4214	$signal->wait;
		4215	}
		4216
		4217	sub tick {
2560	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
2563	return;	4221	return;
2564	}	4222	}
2565		4223
2566	$NOW = Event::time;	4224	cf::one_tick; # one server iteration
2567		4225
2568	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4227
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4230	Coro::async_pool {
		4231	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4232	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4234	};
		4235	}
2579		4236
		4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4238	$sig->send;
		4239	}
2580	$WAIT_FOR_TICK->broadcast;	4240	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582		4241
2583	# my $AFTER = Event::time;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
2584	# warn $AFTER - $NOW;#d#	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2585		4244
2586	# if we are delayed by four ticks or more, skip them all	4245	if (0) {
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4246	if ($NEXT_TICK) {
2588		4247	my $jitter = $TICK_START - $NEXT_TICK;
2589	$TICK_WATCHER->at ($NEXT_TICK);	4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2590	$TICK_WATCHER->start;	4249	debug "jitter $JITTER\n";#d#
		4250	}
2591	},	4251	}
2592	);	4252	}
2593		4253
2594	{	4254	{
2595	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
2597	reentrant => 0,	4257
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
2605		4259	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4261
2621	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
		4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4269
2624	cf::sync_job {	4270	cf::sync_job {
2625	eval {	4271	eval {
2626	BDB::db_env_open	4272	BDB::db_env_open
2627	$DB_ENV,	4273	$DB_ENV,
2628	$BDB_ENV_DIR,	4274	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4275	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4277	0666;
2632		4278
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4280	};
2638		4281
2639	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4283	};
2641	}	4284	}
		4285
		4286	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4287	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4288	};
		4289	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4291	};
		4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4294	};
		4295
		4296	info "database initialised";
2642	}	4297	}
2643		4298
2644	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
2645	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,	4306	info "aio initialised";
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4307	}
		4308
		4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
		4311
		4312	sub _log_backtrace {
		4313	my ($msg, @addr) = @_;
		4314
		4315	$msg =~ s/\n$//;
		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4320	# limit the # of concurrent backtraces
		4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
		4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
		4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
		4328	my @bt = fork_call {
		4329	@addr = map { sprintf "%x", $_ } @addr;
		4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4332	or die "addr2line: $!";
		4333
		4334	my @funcs;
		4335	my @res = <$fh>;
		4336	chomp for @res;
		4337	while (@res) {
		4338	my ($func, $line) = splice @res, 0, 2, ();
		4339	push @funcs, "[$func] $line";
		4340	}
		4341
		4342	@funcs
		4343	};
		4344
		4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4347	LOG llevInfo, "[ABT] $_\n" for @bt;
		4348	--$_log_backtrace;
		4349	};
		4350	} else {
		4351	LOG llevInfo, "[ABT] $msg\n";
		4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4353	}
		4354	}
		4355
		4356	# load additional modules
		4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
2658		4359
2659	END { cf::emergency_save }	4360	END { cf::emergency_save }
2660		4361
2661	1	4362	1
2662		4363

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