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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.592 by root, Fri Nov 9 00:11:49 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 %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
47		95
		96	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	97	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
50		100
51	our $TICK = MAX_TIME * 1e-6;	101	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	102
53	our $AIO_POLL_WATCHER;	103	our $DATADIR = datadir;
		104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
		108	our $LOCALDIR = localdir;
		109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		112	our $RANDOMDIR = "$LOCALDIR/random";
		113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
		124
		125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
56	our $NOW;	143	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		144
59	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		148
76	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		151
		152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
		155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
79	binmode STDOUT;	165	binmode STDOUT;
80	binmode STDERR;	166	binmode STDERR;
81		167
82	# read virtual server time, if available	168	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	170	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
87	}	173	}
88		174
89	mkdir cf::localdir;	175	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	176
91	mkdir cf::localdir . "/" . cf::tmpdir;	177	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		179
96	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
97		181
98	sub cf::map::normalise;	182	sub cf::map::normalise;
99		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
100	#############################################################################	188	#############################################################################
101		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
102	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
103		202
104	=over 4	203	=over 4
105		204
106	=item $cf::UPTIME	205	=item $cf::UPTIME
107		206
108	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
109		223
110	=item $cf::RUNTIME	224	=item $cf::RUNTIME
111		225
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	227	every server tick.
114		228
115	=item $cf::LIBDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		232
117	The perl library directory, where extensions and cf-specific modules can	233	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		235	unique-items directory, player file directory, random maps directory and
		236	database environment.
119		237
		238	=item $cf::LOADAVG
		239
		240	The current CPU load on the server (alpha-smoothed), as a value between 0
		241	(none) and 1 (overloaded), indicating how much time is spent on processing
		242	objects per tick. Healthy values are < 0.5.
		243
120	=item $cf::NOW	244	=item $cf::LOAD
121		245
122	The time of the last (current) server tick.	246	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		247
128	=item %cf::CFG	248	=item %cf::CFG
129		249
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	251	from wherever your confdir points to.
132		252
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		254
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
139		287
140	=back	288	=back
141		289
142	=cut	290	=cut
143		291
144	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	299	my $msg = join "", @_;
147	utf8::encode $msg;
148		300
149	$msg .= "\n"	301	$msg .= "\n"
150	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
151		303
		304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		305
152	LOG llevError, $msg;	306	LOG llevWarn, $msg;
153	};	307	};
154	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
155		322
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	327	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		328	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	329	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		330
163	# we bless all objects into (empty) derived classes to force a method lookup	331	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	332	# within the Safe compartment.
165	for my $pkg (qw(	333	for my $pkg (qw(
166	cf::global cf::attachable	334	cf::global cf::attachable
167	cf::object cf::object::player	335	cf::object cf::object::player
168	cf::client cf::player	336	cf::client cf::player
169	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
170	cf::map cf::party cf::region	339	cf::party cf::region
171	)) {	340	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	342	}
175		343
176	$Event::DIED = sub {	344	$EV::DIED = sub {
177	warn "error in event callback: @_";	345	warn "error in event callback: $@";
178	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
179		354
180	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
181		356
182	=over 4	357	=over 4
183		358
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	378	$d
204	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
205	}	380	}
206		381
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
208		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
209	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
210		435
211	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
212		437
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
221		439
222	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
223		441
224	=cut	442	=cut
225		443
226	sub to_json($) {	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	445
228	JSON::Syck::Dump $_[0]	446	sub encode_json($) { $json_coder->encode ($_[0]) }
		447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
229	}	509	}
230		510
231	=item cf::lock_wait $string	511	=item cf::lock_wait $string
232		512
233	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
234		514
235	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
236		516
237	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
240	returned.	520	returned.
241		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
242	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
244		527
245	=cut	528	=item $locked = cf::lock_active $string
246		529
247	our %LOCK;	530	Return true if the lock is currently active, i.e. somebody has locked it.
		531
		532	=cut
		533
		534	our $LOCKS = new Coro::SemaphoreSet;
248		535
249	sub lock_wait($) {	536	sub lock_wait($) {
250	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	538	}
258		539
259	sub lock_acquire($) {	540	sub lock_acquire($) {
260	my ($key) = @_;	541	$LOCKS->guard ($_[0])
		542	}
261		543
262	# wait, to be sure we are not locked	544	sub lock_active($) {
263	lock_wait $key;	545	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	546	}
272		547
273	sub freeze_mainloop {	548	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
275		550
276	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
278	};	621	}
279	$TICK_WATCHER->stop;	622	};
280	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
281	}	637	}
282		638
283	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
284		640
285	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		646
291	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
292		648
293	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
294		650
295	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
298		655
299	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
302	fast or be very important.	659	fast or be very important.
…		…
304	=cut	661	=cut
305		662
306	sub sync_job(&) {	663	sub sync_job(&) {
307	my ($job) = @_;	664	my ($job) = @_;
308		665
309	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
310	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
312		671
313	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	673
315	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
316		675
317	my $busy = 1;	676	my $busy = 1;
318	my @res;	677	my @res;
319		678
320	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	681	@res = eval { $job->() };
322	warn $@ if $@;	682	error $@ if $@;
323	undef $busy;	683	undef $busy;
324	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
325		685
326	while ($busy) {	686	while ($busy) {
327	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
328	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
329		697
330	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
331	} else {	699	} else {
332	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
333		701
…		…
353	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
354		722
355	$coro	723	$coro
356	}	724	}
357		725
358	sub write_runtime {	726	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		727
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	728	Executes the given code block with the given arguments in a seperate
362	or return;	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
363		732
364	my $value = $cf::RUNTIME + 90 + 10;	733	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		734
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub post_fork {
369	and return;	736	reset_signals;
		737	}
370		738
371	# always fsync - this file is important	739	sub fork_call(&@) {
372	aio_fsync $fh	740	my ($cb, @args) = @_;
373	and return;
374		741
375	close $fh	742	# we seemingly have to make a local copy of the whole thing,
376	or return;	743	# otherwise perl prematurely frees the stuff :/
		744	# TODO: investigate and fix (likely this will be rather laborious)
377		745
378	aio_rename "$runtime~", $runtime	746	my @res = Coro::Util::fork_eval {
379	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
380		750
		751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
381	1	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
		918	}
		919
		920	=item cf::datalog type => key => value, ...
		921
		922	Log a datalog packet of the given type with the given key-value pairs.
		923
		924	=cut
		925
		926	sub datalog($@) {
		927	my ($type, %kv) = @_;
		928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	929	}
383		930
384	=back	931	=back
385		932
386	=cut	933	=cut
387		934
388	#############################################################################	935	#############################################################################
389		936
390	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
391		938
392	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
395		942
396	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	945	Deliantra).
399		946
400	=over 4	947	=over 4
401		948
402	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
403		950
…		…
447	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
448		995
449	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
451		998
452	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
454		1001
455	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
456		1003
457	=over 4	1004	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
567		1114
568	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1119
573	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
575		1122
576	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
581		1128
582	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1131
585	} elsif (ref $type) {	1132	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
587		1134
588	} else {	1135	} else {
589	shift @arg;	1136	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
591	}	1138	}
592	}	1139	}
593	}	1140	}
594		1141
595	sub _object_attach {	1142	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
606	}	1153	}
607		1154
608	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
609	} else {	1156	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1158	}
612		1159
613	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
614	}	1161	}
615		1162
…		…
617	if (ref $_[0]) {	1164	if (ref $_[0]) {
618	_object_attach @_;	1165	_object_attach @_;
619	} else {	1166	} else {
620	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
621	}	1168	}
		1169	_recalc_want;
622	};	1170	};
623		1171
624	# all those should be optimised	1172	# all those should be optimised
625	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1178	reattach ($obj);
631	} else {	1179	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
633	}	1181	}
		1182	_recalc_want;
634	};	1183	};
635		1184
636	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
638		1187
…		…
653	";	1202	";
654	die if $@;	1203	die if $@;
655	}	1204	}
656		1205
657	our $override;	1206	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1208
660	sub override {	1209	sub override {
661	$override = 1;	1210	$override = 1;
662	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
663	}	1212	}
664		1213
665	sub do_invoke {	1214	sub do_invoke {
666	my $event = shift;	1215	my $event = shift;
667	my $callbacks = shift;	1216	my $callbacks = shift;
668		1217
669	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
670		1219
671	local $override;	1220	local $override;
672		1221
673	for (@$callbacks) {	1222	for (@$callbacks) {
674	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
675		1224
676	if ($@) {	1225	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1227	override;
680	}	1228	}
681		1229
682	return 1 if $override;	1230	return 1 if $override;
683	}	1231	}
684		1232
685	0	1233	0
686	}	1234	}
687		1235
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1237
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1239
692	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
693		1241
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1245
698	=back	1246	=back
699		1247
700	=cut	1248	=cut
701		1249
702	#############################################################################	1250	#############################################################################
703	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
704		1294
705	sub reattach {	1295	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1297	my ($obj) = @_;
708		1298
		1299	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1301
711	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
712		1303
713	@$registry = ();	1304	@$registry = ();
714		1305
…		…
719	for (@$attach) {	1310	for (@$attach) {
720	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
722	}	1313	}
723	} else {	1314	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1316	}
726	}	1317	}
727	}	1318	}
728		1319
729	cf::attachable->attach (	1320	cf::attachable->attach (
730	prio => -1000000,	1321	prio => -1000000,
731	on_instantiate => sub {	1322	on_instantiate => sub {
732	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
733		1324
734	$data = from_json $data;	1325	$data = decode_json $data;
735		1326
736	for (@$data) {	1327	for (@$data) {
737	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
738		1329
739	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1346	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
757		1348
758	sync_job {	1349	sync_job {
759	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
762		1355
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
767	close $fh;	1363	aio_close $fh;
768		1364
769	if (@$objs) {	1365	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
775	close $fh;	1374	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
777	}	1376	}
778	} else {	1377	} else {
779	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
780	}	1379	}
781		1380
782	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1385	} else {
784	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
785	}	1387	}
786	} else {	1388	} else {
787	aio_unlink $filename;	1389	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
789	}	1391	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1392	};
797	}	1393	}
798		1394
799	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
801		1397
…		…
806		1402
807	sub object_thawer_load {	1403	sub object_thawer_load {
808	my ($filename) = @_;	1404	my ($filename) = @_;
809		1405
810	my ($data, $av);	1406	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1407
815	(aio_load $filename, $data) >= 0	1408	(aio_load $filename, $data) >= 0
816	or return;	1409	or return;
817		1410
818	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
820	or return;	1413	or return;
		1414
821	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
822	}	1417	}
823		1418
		1419	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
826	return ($data, $av);	1424	($data, $av)
827	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
828		1432
829	#############################################################################	1433	#############################################################################
830	# command handling &c	1434	# command handling &c
831		1435
832	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1450	}
847		1451
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1453
850	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
851		1459
852	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
853	called.	1461	called.
854		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
855	=cut	1474	=cut
856		1475
857	sub register_extcmd {	1476	sub register_extcmd {
858	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
859		1478
860	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
861	}	1480	}
862		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
863	cf::player->attach (	1490	cf::player->attach (
864	on_command => sub {	1491	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
866		1493
867	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
868	or return;	1495	or return;
869		1496
…		…
874	cf::override;	1501	cf::override;
875	},	1502	},
876	on_extcmd => sub {	1503	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
878		1505
879	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1507
881	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
887	} else {	1520	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1522	}
890		1523
891	cf::override;	1524	cf::override;
892	},	1525	},
893	);	1526	);
894		1527
		1528	# "readahead" all extensions
895	sub load_extension {	1529	sub cache_extensions {
896	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
897		1531
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1535	}
923	die $@;
924	}	1536	};
925		1537
926	push @EXTS, $pkg;	1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
927	}	1550	}
928		1551
929	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
930	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1561	next unless -r $path;
932	eval {	1562
933	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
934	1	1635	}
935	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
		1647	}
936	}	1648	};
937	}	1649	}
938		1650
939	#############################################################################	1651	#############################################################################
940		1652
		1653	=back
		1654
941	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
942		1656
943	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
944		1658
945	=cut	1659	=cut
946		1660
947	package cf::player;	1661	package cf::player;
948		1662
…		…
950		1664
951	=head3 cf::player	1665	=head3 cf::player
952		1666
953	=over 4	1667	=over 4
954		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
		1682
955	=item cf::player::find $login	1683	=item cf::player::find $login
956		1684
957	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
958		1686
959	=cut	1687	=cut
960		1688
961	sub playerdir($) {	1689	sub playerdir($) {
962	cf::localdir	1690	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1691	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1692	}
968		1693
969	sub path($) {	1694	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1695	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1696
972	(playerdir $login) . "/$login.pl"	1697	(playerdir $login) . "/playerdata"
973	}	1698	}
974		1699
975	sub find_active($) {	1700	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1701	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1702	and $cf::PLAYER{$_[0]}->active
…		…
980		1705
981	sub exists($) {	1706	sub exists($) {
982	my ($login) = @_;	1707	my ($login) = @_;
983		1708
984	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
986	}	1711	}
987		1712
988	sub find($) {	1713	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1715	my $login = $_[0];
991		1716
992	my $guard = cf::lock_acquire "user_find:$login";	1717	my $guard = cf::lock_acquire "user_find:$login";
993		1718
994	$cf::PLAYER{$_[0]} || do {	1719	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1720	# rename old playerfiles to new ones
		1721	#TODO: remove when no longer required
		1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1725	aio_unlink +(playerdir $login) . "/$login.pl";
		1726
		1727	my $f = new_from_file cf::object::thawer path $login
996	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
998	}	1736	}
999	}	1737	}
1000	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1001		1752
1002	sub save($) {	1753	sub save($) {
1003	my ($pl) = @_;	1754	my ($pl) = @_;
1004		1755
1005	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1011		1762
1012	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1014		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1015	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1016	Coro::cede;	1772	cf::cede_to_tick;
1017	}	1773	}
1018		1774
1019	sub new($) {	1775	sub new($) {
1020	my ($login) = @_;	1776	my ($login) = @_;
1021		1777
…		…
1027	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1028		1784
1029	$self	1785	$self
1030	}	1786	}
1031		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1032	=item $pl->quit_character	1798	=item $pl->quit_character
1033		1799
1034	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1036		1802
1037	=cut	1803	=cut
1038		1804
1039	sub quit_character {	1805	sub quit_character {
1040	my ($pl) = @_;	1806	my ($pl) = @_;
1041		1807
		1808	my $name = $pl->ob->name;
		1809
1042	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1812
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1046	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1048	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1049		1821
1050	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1825	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1826	$pl->destroy;
		1827
		1828	my $prefix = qr<^~\Q$name\E/>;
		1829
		1830	# nuke player maps
		1831	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1832
1055	IO::AIO::aio_rmtree $temp;	1833	IO::AIO::aio_rmtree $temp;
		1834	}
		1835
		1836	=item $pl->kick
		1837
		1838	Kicks a player out of the game. This destroys the connection.
		1839
		1840	=cut
		1841
		1842	sub kick {
		1843	my ($pl, $kicker) = @_;
		1844
		1845	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1846	$pl->killer ("kicked");
		1847	$pl->ns->destroy;
1056	}	1848	}
1057		1849
1058	=item cf::player::list_logins	1850	=item cf::player::list_logins
1059		1851
1060	Returns am arrayref of all valid playernames in the system, can take a	1852	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1853	while and may block, so not sync_job-capable, ever.
1062		1854
1063	=cut	1855	=cut
1064		1856
1065	sub list_logins {	1857	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1858	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1859	or return [];
1068		1860
1069	my @logins;	1861	my @logins;
1070		1862
1071	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1075		1873
1076	utf8::decode $login;	1874	utf8::decode $login;
1077	push @logins, $login;	1875	push @logins, $login;
1078	}	1876	}
1079		1877
1080	\@logins	1878	\@logins
1081	}	1879	}
1082		1880
1083	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1084		1884
1085	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1086	player. May block.	1886	player. May block.
1087		1887
1088	=cut	1888	=cut
…		…
1106	}	1906	}
1107		1907
1108	\@paths	1908	\@paths
1109	}	1909	}
1110		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1112		1916
1113	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1114		1918
1115	=cut	1919	=cut
1116		1920
1117	sub ext_reply($$$%) {	1921	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1119		1923
1120	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1925	}
1124		1926
1125	package cf;	1927	=item $player->ext_msg ($type, @msg)
		1928
		1929	Sends an ext event to the client.
		1930
		1931	=cut
		1932
		1933	sub ext_msg($$@) {
		1934	my ($self, $type, @msg) = @_;
		1935
		1936	$self->ns->ext_msg ($type, @msg);
		1937	}
		1938
		1939	=head3 cf::region
		1940
		1941	=over 4
		1942
		1943	=cut
		1944
		1945	package cf::region;
		1946
		1947	=item cf::region::find_by_path $path
		1948
		1949	Tries to decuce the likely region for a map knowing only its path.
		1950
		1951	=cut
		1952
		1953	sub find_by_path($) {
		1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
		1958	my ($match, $specificity);
		1959
		1960	for my $region (list) {
		1961	if ($region->{match} && $path =~ $region->{match}) {
		1962	($match, $specificity) = ($region, $region->specificity)
		1963	if $region->specificity > $specificity;
		1964	}
		1965	}
		1966
		1967	$match
		1968	}
1126		1969
1127	=back	1970	=back
1128
1129		1971
1130	=head3 cf::map	1972	=head3 cf::map
1131		1973
1132	=over 4	1974	=over 4
1133		1975
…		…
1145	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1147		1989
1148	sub generate_random_map {	1990	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1150	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1151	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1162	(cf::region::find $rmp->{region}), $rmp->{custom}
1163	)
1164	}	1996	}
1165		1997
1166	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1167		1999
1168	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1173		2005
1174	sub register {	2006	sub register {
1175	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	2008	my $pkg = caller;
1177		2009
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		2011
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	2013	}
1183		2014
1184	# also paths starting with '/'	2015	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		2017
1187	sub thawer_merge {	2018	sub thawer_merge {
1188	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1189		2020
1190	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1191	local $self->{path};	2022	local $self->{path};
1192	local $self->{load_path};	2023	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		2024
1196	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1197	}	2026	}
1198		2027
1199	sub normalise {	2028	sub normalise {
1200	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1201		2030
1202	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1203		2032
1204	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1205		2034
1206	# map plan:	2035	# map plan:
1207	#	2036	#
…		…
1222	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1223	$path = "$base/$path";	2052	$path = "$base/$path";
1224	}	2053	}
1225		2054
1226	for ($path) {	2055	for ($path) {
1227	redo if s{//}{/};
1228	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1229	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1230	}	2058	}
1231		2059
1232	$path	2060	$path
…		…
1246	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1247	return $self;	2075	return $self;
1248	}	2076	}
1249	}	2077	}
1250		2078
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	2080	()
1253	}	2081	}
1254		2082
		2083	# may re-bless or do other evil things
1255	sub init {	2084	sub init {
1256	my ($self) = @_;	2085	my ($self) = @_;
1257		2086
1258	$self	2087	$self
1259	}	2088	}
…		…
1271		2100
1272	# the original (read-only) location	2101	# the original (read-only) location
1273	sub load_path {	2102	sub load_path {
1274	my ($self) = @_;	2103	my ($self) = @_;
1275		2104
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2105	"$MAPDIR/$self->{path}.map"
1277	}	2106	}
1278		2107
1279	# the temporary/swap location	2108	# the temporary/swap location
1280	sub save_path {	2109	sub save_path {
1281	my ($self) = @_;	2110	my ($self) = @_;
1282		2111
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2113	"$TMPDIR/$path.map"
1285	}	2114	}
1286		2115
1287	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1288	sub uniq_path {	2117	sub uniq_path {
1289	my ($self) = @_;	2118	my ($self) = @_;
1290		2119
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2121	"$UNIQUEDIR/$path"
1293	}	2122	}
1294		2123
1295	# and all this just because we cannot iterate over	2124	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	2125	my ($self) = @_;
1299		2126
1300	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1302	}	2130	}
1303		2131
1304	sub unlink_save {	2132	sub unlink_save {
1305	my ($self) = @_;	2133	my ($self) = @_;
1306		2134
1307	utf8::encode (my $save = $self->save_path);	2135	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2136	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2137	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2138	}
1316		2139
1317	sub load_header_from($) {	2140	sub load_header_from($) {
1318	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1319		2142
1320	utf8::encode $path;	2143	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2145	or return;
1326		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1327	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1328		2154
1329	1	2155	1
1330	}	2156	}
1331		2157
		2158	# used to laod the header of an original map
1332	sub load_header_orig {	2159	sub load_header_orig {
1333	my ($self) = @_;	2160	my ($self) = @_;
1334		2161
1335	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1336	}	2163	}
1337		2164
		2165	# used to laod the header of an instantiated map
1338	sub load_header_temp {	2166	sub load_header_temp {
1339	my ($self) = @_;	2167	my ($self) = @_;
1340		2168
1341	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1342	}	2170	}
1343		2171
		2172	# called after loading the header from an instantiated map
1344	sub prepare_temp {	2173	sub prepare_temp {
1345	my ($self) = @_;	2174	my ($self) = @_;
1346		2175
1347	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1348	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1349	# safety	2178	# safety
1350	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1351	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1352	}	2181	}
1353		2182
		2183	# called after loading the header from an original map
1354	sub prepare_orig {	2184	sub prepare_orig {
1355	my ($self) = @_;	2185	my ($self) = @_;
1356		2186
1357	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1358	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1369	$self->load_header_orig	2199	$self->load_header_orig
1370	or return;	2200	or return;
1371	$self->prepare_orig;	2201	$self->prepare_orig;
1372	}	2202	}
1373		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
		2207	$self->default_region (cf::region::find_by_path $self->{path})
		2208	unless $self->default_region;
		2209
1374	1	2210	1
1375	}	2211	}
1376		2212
1377	sub find;	2213	sub find;
1378	sub find {	2214	sub find {
1379	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1380		2216
		2217	cf::cede_to_tick;
		2218
1381	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1382		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2223
1385	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1388	or return;	2226	or return;
1389		2227
1390	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1391		2229
1392	$map->load_header	2230	$map->load_header
1393	or return;	2231	or return;
1394		2232
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1398	$map->reset;	2238	$map->reset;
1399	undef $guard;
1400	return find $path;	2239	return find $path;
1401	}	2240	}
1402		2241
1403	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1404	}	2243	}
1405	}	2244	}
1406		2245
1407	sub pre_load { }	2246	sub pre_load { }
1408	sub post_load { }	2247	#sub post_load { } # XS
1409		2248
1410	sub load {	2249	sub load {
1411	my ($self) = @_;	2250	my ($self) = @_;
1412		2251
1413	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1414		2253
1415	my $path = $self->{path};	2254	my $path = $self->{path};
		2255
		2256	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1417		2258
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2259	return unless $self->valid;
		2260	return unless $self->state == cf::MAP_SWAPPED;
1419		2261
1420	$self->in_memory (cf::MAP_LOADING);
1421
1422	$self->alloc;	2262	$self->alloc;
1423		2263
1424	$self->pre_load;	2264	$self->pre_load;
		2265	cf::cede_to_tick;
1425		2266
1426	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1427	or return;	2271	or return;
1428		2272
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1430	if delete $self->{load_original};	2274	if delete $self->{load_original};
1431		2275
1432	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2277	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2280	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1437	}	2285	}
1438	}
1439		2286
1440	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
1441		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1442	# now do the right thing for maps	2296	# now do the right thing for maps
1443	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2299	unless $self->difficulty;
1453	Coro::cede;	2300	cf::cede_to_tick;
1454	$self->activate;	2301
		2302	unless ($self->{deny_activate}) {
		2303	$self->decay_objects;
		2304	$self->fix_auto_apply;
		2305	$self->update_buttons;
		2306	cf::cede_to_tick;
		2307	#$self->activate; # no longer activate maps automatically
		2308	}
		2309
		2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1455	}	2312	}
1456		2313
1457	$self->post_load;	2314	$self->post_load;
1458		2315
1459	$self->in_memory (cf::MAP_IN_MEMORY);	2316	1
1460	}	2317	}
1461		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2322	sub customise_for {
1463	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1464		2324
1465	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2326	if $self->per_player;
1467		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1468	$self	2331	$self
1469	}
1470
1471	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {
1473	my ($map) = @_;
1474
1475	my @diag; # diagonal neighbours
1476
1477	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)
1479	or next;
1480	$neigh = find $neigh, $map
1481	or next;
1482	$neigh->load;
1483
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}
1487
1488	for (@diag) {
1489	my $neigh = find @$_
1490	or next;
1491	$neigh->load;
1492	}
1493	}	2332	}
1494		2333
1495	sub find_sync {	2334	sub find_sync {
1496	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1497		2336
1498	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1499	}	2342	}
1500		2343
1501	sub do_load_sync {	2344	sub do_load_sync {
1502	my ($map) = @_;	2345	my ($map) = @_;
1503		2346
1504	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1505	}	2352	}
1506		2353
1507	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1509		2356
1510	sub find_async {	2357	sub find_async {
1511	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1512		2359
1513	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1514		2361
1515	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1517	}	2364	}
1518		2365
1519	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1520	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1521	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2373	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2374	$map->load if $v;
		2375	}
1526		2376
1527	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1528	}	2378	}
1529	}	2379	}
1530	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1531	};	2381	};
1532	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1533		2383
1534	()	2384	()
1535	}	2385	}
1536		2386
		2387	# common code, used by both ->save and ->swapout
1537	sub save {	2388	sub _save {
1538	my ($self) = @_;	2389	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2390
1542	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1543		2392
1544	return unless $self->dirty;	2393	return unless $self->dirty;
1545		2394
…		…
1551	return if $self->{deny_save};	2400	return if $self->{deny_save};
1552		2401
1553	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1554		2403
1555	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1557	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1558		2410
1559	if ($uniq) {	2411	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2414	} else {
1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1564	}	2416	}
1565	}	2417	}
1566		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1567	sub swap_out {	2427	sub swap_out {
1568	my ($self) = @_;	2428	my ($self) = @_;
1569		2429
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1575	return if $self->players;	2434	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1579	$self->clear;	2445	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2446	}
1582		2447
1583	sub reset_at {	2448	sub reset_at {
1584	my ($self) = @_;	2449	my ($self) = @_;
1585		2450
1586	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1589		2453
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2456
…		…
1603	my ($self) = @_;	2467	my ($self) = @_;
1604		2468
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2470
1607	return if $self->players;	2471	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2472
1610	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
1611		2474
1612	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1613		2476
1614	# need to save uniques path	2477	# need to save uniques path
1615	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1616	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1617		2480
…		…
1619	if $uniq;	2482	if $uniq;
1620	}	2483	}
1621		2484
1622	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1623		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2489	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2490
1628	$self->unlink_save;	2491	$self->unlink_save;
1629	$self->destroy;	2492	$self->destroy;
1630	}	2493	}
1631		2494
1632	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1633		2496
1634	sub nuke {	2497	sub nuke {
1635	my ($self) = @_;	2498	my ($self) = @_;
1636		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1637	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1638		2504
1639	$self->unlink_save;	2505	$self->unlink_save;
1640		2506
1641	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2512
1647	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1648		2515
1649	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
		2517	}
		2518
		2519	=item $maps = cf::map::tmp_maps
		2520
		2521	Returns an arrayref with all map paths of currently instantiated and saved
		2522	maps. May block.
		2523
		2524	=cut
		2525
		2526	sub tmp_maps() {
		2527	[
		2528	map {
		2529	utf8::decode $_;
		2530	/\.map$/
		2531	? normalise $_
		2532	: ()
		2533	} @{ aio_readdir $TMPDIR or [] }
		2534	]
		2535	}
		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
1650	}	2553	}
1651		2554
1652	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1653		2556
1654	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2558	instantiated unique items. May block.
1656		2559
1657	=cut	2560	=cut
1658		2561
1659	sub unique_maps() {	2562	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2563	[
1661	or return;	2564	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2565	utf8::decode $_;
1667	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2568	? ()
1670	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2571	]
1672
1673	\@paths
1674	}	2572	}
1675		2573
1676	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1677		2605
1678	=back	2606	=back
1679		2607
1680	=head3 cf::object	2608	=head3 cf::object
1681		2609
…		…
1685		2613
1686	=over 4	2614	=over 4
1687		2615
1688	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1689		2617
1690	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1691		2620
1692	=cut	2621	=cut
1693		2622
1694	sub inv_recursive_;	2623	sub inv_recursive_;
1695	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1698		2627
1699	sub inv_recursive {	2628	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1701	}	2630	}
1702		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1703	package cf;	2660	package cf;
1704		2661
1705	=back	2662	=back
1706		2663
1707	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1716		2673
1717	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1718		2689
1719	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2691	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1724		2695
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2697
1727	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1729	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1732	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1733	}	2723	}
1734		2724
1735	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1736		2726
1737	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1750		2740
1751	=item $player_object->enter_link	2741	=item $player_object->enter_link
1752		2742
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2744
1755	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1757		2749
1758	Will never block.	2750	Will never block.
1759		2751
1760	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1761		2753
…		…
1781	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2774	my ($self) = @_;
1783		2775
1784	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1785		2777
		2778	++$self->{_link_recursion};
		2779
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2781
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1790		2784
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2786	}
1793		2787
1794	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1796		2792
1797	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1798		2794
1799	unless ($map) {	2795	unless ($map) {
1800	# restore original map position	2796	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1813		2809
1814	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1817		2813
1818	$map->load;	2814	$map->load;
1819	$map->load_diag;
1820		2815
1821	return unless $self->contr->active;	2816	return unless $self->contr->active;
		2817
		2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2819	if ($self->enter_map ($map, $x, $y)) {
		2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
1822	$self->activate_recursive;	2823	$self->activate_recursive;
1823	$self->enter_map ($map, $x, $y);
1824	}
1825
1826	cf::player->attach (
1827	on_logout => sub {
1828	my ($pl) = @_;
1829
1830	# abort map switching before logout
1831	if ($pl->ob->{_link_pos}) {
1832	cf::sync_job {
1833	$pl->ob->leave_link
1834	};
1835	}
1836	},	2824	}
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2825
1840	# try to abort aborted map switching on player login :)	2826	}
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857		2827
1858	=item $player_object->goto ($path, $x, $y)	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1859		2829
		2830	Moves the player to the given map-path and coordinates by first freezing
		2831	her, loading and preparing them map, calling the provided $check callback
		2832	that has to return the map if sucecssful, and then unfreezes the player on
		2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
1860	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1861		2842
1862	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1863	my ($self, $path, $x, $y) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
		2852	# do generation counting so two concurrent goto's will be executed in-order
		2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864		2854
1865	$self->enter_link;	2855	$self->enter_link;
1866		2856
1867	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1868	my $map = eval {	2879	my $map = eval {
1869	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2881
		2882	if ($map) {
1870	$map = $map->customise_for ($self) if $map;	2883	$map = $map->customise_for ($self);
		2884	$map = $check->($map, $x, $y, $self) if $check && $map;
		2885	} else {
		2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888
1871	$map	2889	$map
		2890	};
		2891
		2892	if ($@) {
		2893	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2894	LOG llevError | logBacktrace, Carp::longmess $@;
1872	} or	2895	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
1876	})->prio (1);	2903	})->prio (1);
1877	}	2904	}
1878		2905
1879	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1880		2907
…		…
1900	}	2927	}
1901		2928
1902	sub prepare_random_map {	2929	sub prepare_random_map {
1903	my ($exit) = @_;	2930	my ($exit) = @_;
1904		2931
1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
1908	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
1909	# that depends on the exit object	2934	# that depends on the exit object
1910		2935
1911	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
1913	if ($exit->map) {	2938	if ($exit->map) {
1914	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
1915	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
1916	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
1917	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
1918	}	2945	}
1919		2946
1920	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
1921		2948
1922	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
1925		2952
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2955	undef $fh;
1929	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
1930		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
1931	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
1932	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
1933	}	2964	}
1934	}	2965	}
1935		2966
1936	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
1937	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
1938		2969
1939	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
1940		2971
1941	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
1943	cf::sync_job { prepare_random_map $exit };
1944	}
1945
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;
1949
1950	$self->enter_link;	2972	$self->enter_link;
1951		2973
1952	(async {	2974	(async {
1953	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
1954	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
1955	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
1956		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
1957	1;	3013	1
1958	}) {	3014	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
1960	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
1961	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
1963		3019
1964	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
1965	$self->leave_link;	3021	$self->leave_link;
1966	}	3022	}
1967	})->prio (1);	3023	})->prio (1);
1968	}	3024	}
1969		3025
…		…
1980		3036
1981	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
1983		3039
1984	utf8::encode $text;	3040	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	3042	}
1987		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
		3231	=item $client->ext_msg ($type, @msg)
		3232
		3233	Sends an ext event to the client.
		3234
		3235	=cut
		3236
		3237	sub cf::client::ext_msg($$@) {
		3238	my ($self, $type, @msg) = @_;
		3239
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3253	}
1988		3254
1989	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
1990		3256
1991	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
1992	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3258	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3259	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994		3260
1995	Queries can fail, so check the return code. Or don't, as queries will become	3261	Queries can fail, so check the return code. Or don't, as queries will
1996	reliable at some point in the future.	3262	become reliable at some point in the future.
1997		3263
1998	=cut	3264	=cut
1999		3265
2000	sub cf::client::query {	3266	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	3275	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		3277
2012	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
2014	}	3282	}
2015		3283
2016	cf::client->attach (	3284	cf::client->attach (
		3285	on_connect => sub {
		3286	my ($ns) = @_;
		3287
		3288	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3289	},
2017	on_reply => sub {	3290	on_reply => sub {
2018	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2019		3292
2020	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2021	# get handled first	3294	# get handled first
…		…
2033	} else {	3306	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	3308	}
2036	}	3309	}
2037	},	3310	},
		3311	on_exticmd => sub {
		3312	my ($ns, $buf) = @_;
		3313
		3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3315
		3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
		3321	if (my $cb = $EXTICMD{$type}) {
		3322	@reply = $cb->($ns, @payload);
		3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
		3328	} else {
		3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3330	}
		3331
		3332	cf::override;
		3333	},
2038	);	3334	);
2039		3335
2040	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2041		3337
2042	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2058		3354
2059	$coro	3355	$coro
2060	}	3356	}
2061		3357
2062	cf::client->attach (	3358	cf::client->attach (
2063	on_destroy => sub {	3359	on_client_destroy => sub {
2064	my ($ns) = @_;	3360	my ($ns) = @_;
2065		3361
2066	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2067	},	3363	},
2068	);	3364	);
…		…
2083	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2085		3381
2086	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2087		3383
2088	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2089		3389
2090	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2091		3391
2092	=pod	3392	=pod
2093		3393
2094	The following fucntions and emthods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2095		3395
2096	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2097	cf::object::player player	3401	cf::object::player
2098	cf::player peaceful	3402	player
2099	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2100		3409
2101	=cut	3410	=cut
2102		3411
2103	for (	3412	for (
2104	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2105	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2107	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2108	) {	3419	) {
2109	no strict 'refs';
2110	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2111	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2112	for @funs;	3422	for @funs;
2113	}	3423	}
2114		3424
…		…
2129		3439
2130	my $qcode = $code;	3440	my $qcode = $code;
2131	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2132	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2133		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2134	local $_;	3447	local $_;
2135	local @safe::cf::_safe_eval_args = values %vars;
2136		3448
2137	my $eval =	3449	my $eval =
2138	"do {\n"	3450	"do {\n"
2139	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2140	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2141	. $code	3453	. $code
2142	. "\n}"	3454	. "\n}"
2143	;	3455	;
2144		3456
		3457	if ($CFG{safe_eval}) {
2145	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2146	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2147	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2148		3466
2149	if ($@) {	3467	if ($@) {
2150	warn "$@";	3468	warn "$@",
2151	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2152	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2153	}	3471	}
2154		3472
2155	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2156	}	3474	}
2157		3475
…		…
2171	=cut	3489	=cut
2172		3490
2173	sub register_script_function {	3491	sub register_script_function {
2174	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2175		3493
2176	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2177	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2178	}	3496	}
2179		3497
2180	=back	3498	=back
2181		3499
2182	=cut	3500	=cut
2183
2184	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255		3501
2256	#############################################################################	3502	#############################################################################
2257	# the server's init and main functions	3503	# the server's init and main functions
2258		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
		3529	sub load_facedata($) {
		3530	my ($path) = @_;
		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
		3538	trace "loading facedata from $path\n";
		3539
		3540	my $facedata = decode_storable load_file $path;
		3541
		3542	$facedata->{version} == 2
		3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3544
		3545	cf::cede_to_tick;
		3546
		3547	{
		3548	my $faces = $facedata->{faceinfo};
		3549
		3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
		3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
		3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
		3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
		3562	}
		3563
		3564	while (my ($face, $info) = each %$faces) {
		3565	next unless $info->{smooth};
		3566
		3567	my $idx = cf::face::find $face
		3568	or next;
		3569
		3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
		3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3573	} else {
		3574	error "smooth face '$info->{smooth}' not found for face '$face'";
		3575	}
		3576
		3577	cf::cede_to_tick;
		3578	}
		3579	}
		3580
		3581	{
		3582	my $anims = $facedata->{animinfo};
		3583
		3584	while (my ($anim, $info) = each %$anims) {
		3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3586	cf::cede_to_tick;
		3587	}
		3588
		3589	cf::anim::invalidate_all; # d'oh
		3590	}
		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
		3614	1
		3615	}
		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
2259	sub load_resources {	3625	sub load_resource_file($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
		3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
		3653	load_resource_file "$MAPDIR/regions"
2261	or die "unable to load regions file\n";#d#	3654	or die "unable to load regions file\n";
2262	}
2263		3655
2264	sub cfg_load {	3656	for (cf::region::list) {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3657	$_->{match} = qr/$_->{match}/
2266	or return;	3658	if exists $_->{match};
		3659	}
		3660	}
2267		3661
2268	local $/;	3662	sub reload_facedata {
2269	*CFG = YAML::Syck::Load <$fh>;	3663	load_facedata "$DATADIR/facedata"
		3664	or die "unable to load facedata\n";
		3665	}
2270		3666
		3667	sub reload_archetypes {
		3668	load_resource_file "$DATADIR/archetypes"
		3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
		3679	}
		3680
		3681	sub reload_treasures {
		3682	load_resource_file "$DATADIR/treasures"
		3683	or die "unable to load treasurelists\n";
		3684	}
		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	#d# move docstuff to help or so
		3707	our %DOCSTRING;
		3708
		3709	sub reload_pod {
		3710	trace "loading pods $PODDIR\n";
		3711
		3712	%DOCSTRING = ();
		3713	my @command_list;
		3714
		3715	for (
		3716	[0, "command_help"],
		3717	[1, "emote_help"],
		3718	[2, "dmcommand_help"],
		3719	) {
		3720	my ($type, $path) = @$_;
		3721
		3722	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3723	or die "unable to load $path";
		3724
		3725	my $level = 1e9;
		3726	my $rpar;
		3727
		3728	for my $par (@$paragraphs) {
		3729	if ($par->{type} eq "head2") {
		3730	# this code taken almost verbatim from DC/Protocol.pm
		3731
		3732	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3733	my $cmd = $1;
		3734	my @args = split /\|/, $2;
		3735	@args = (".*") unless @args;
		3736
		3737	$_ = $_ eq ".*" ? "" : " $_"
		3738	for @args;
		3739
		3740	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3741
		3742	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3743
		3744	push @command_list, [$type, \@variants];
		3745	$level = $par->{level};
		3746	} else {
		3747	error "$par->{markup}: unparsable command heading";
		3748	}
		3749	} elsif ($par->{level} > $level) {
		3750	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3751	}
		3752
		3753	cf::cede_to_tick;
		3754	}
		3755	}
		3756
		3757	@command_list = sort {
		3758	$a->[0] <=> $b->[0]
		3759	or $a->[1] cmp $b->[1]
		3760	} @command_list;
		3761
		3762	cf::cede_to_tick;
		3763
		3764	add_face "res/command_list" => FT_RSRC,
		3765	JSON::XS->new->utf8->encode (\@command_list);
		3766	}
		3767
		3768	sub reload_resources {
		3769	trace "reloading resource files...\n";
		3770
		3771	reload_materials;
		3772	reload_facedata;
		3773	reload_exp_table;
		3774	reload_sound;
		3775	reload_archetypes;
		3776	reload_regions;
		3777	reload_treasures;
		3778	reload_pod;
		3779
		3780	trace "finished reloading resource files\n";
		3781	}
		3782
		3783	sub reload_config {
		3784	trace "reloading config file...\n";
		3785
		3786	my $config = load_file "$CONFDIR/config";
		3787	utf8::decode $config;
		3788	*CFG = decode_yaml $config;
		3789
2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3790	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2272		3791
2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3792	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3793	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2275		3794
2276	if (exists $CFG{mlockall}) {	3795	if (exists $CFG{mlockall}) {
…		…
2280	};	3799	};
2281	warn $@ if $@;	3800	warn $@ if $@;
2282	}	3801	}
2283	}	3802	}
2284		3803
2285	sub init {	3804	sub pidfile() {
2286	load_resources;	3805	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3806	or die "$PIDFILE: $!";
		3807	flock $fh, &Fcntl::LOCK_EX
		3808	or die "$PIDFILE: flock: $!";
		3809	$fh
		3810	}
		3811
		3812	# make sure only one server instance is running at any one time
		3813	sub atomic {
		3814	my $fh = pidfile;
		3815
		3816	my $pid = <$fh>;
		3817	kill 9, $pid if $pid > 0;
		3818
		3819	seek $fh, 0, 0;
		3820	print $fh $$;
		3821	}
		3822
		3823	sub main_loop {
		3824	trace "EV::loop starting\n";
		3825	if (1) {
		3826	EV::loop;
		3827	}
		3828	trace "EV::loop returned\n";
		3829	goto &main_loop unless $REALLY_UNLOOP;
2287	}	3830	}
2288		3831
2289	sub main {	3832	sub main {
		3833	cf::init_globals; # initialise logging
		3834
		3835	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3836	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3837	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3838	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3839
		3840	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3841
2290	# we must not ever block the main coroutine	3842	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3843	$Coro::idle = sub {
2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3844	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293	(async {	3845	(async {
2294	Event::one_event;	3846	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3847	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3848	})->prio (Coro::PRIO_MAX);
2296	};	3849	};
2297		3850
2298	cfg_load;	3851	evthread_start IO::AIO::poll_fileno;
		3852
		3853	cf::sync_job {
		3854	cf::incloader::init ();
		3855
2299	db_init;	3856	db_init;
		3857
		3858	cf::init_anim;
		3859	cf::init_attackmess;
		3860	cf::init_dynamic;
		3861
		3862	cf::load_settings;
		3863
		3864	reload_resources;
		3865	reload_config;
		3866
		3867	cf::init_uuid;
		3868	cf::init_signals;
		3869	cf::init_skills;
		3870
		3871	cf::init_beforeplay;
		3872
		3873	atomic;
		3874
2300	load_extensions;	3875	load_extensions;
2301		3876
2302	$TICK_WATCHER->start;	3877	utime time, time, $RUNTIMEFILE;
2303	Event::loop;	3878
		3879	# no (long-running) fork's whatsoever before this point(!)
		3880	use POSIX ();
		3881	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3882
		3883	cf::_post_init 0;
		3884	};
		3885
		3886	cf::object::thawer::errors_are_fatal 0;
		3887	info "parse errors in files are no longer fatal from this point on.\n";
		3888
		3889	AE::postpone {
		3890	undef &main; # free gobs of memory :)
		3891	};
		3892
		3893	goto &main_loop;
2304	}	3894	}
2305		3895
2306	#############################################################################	3896	#############################################################################
2307	# initialisation and cleanup	3897	# initialisation and cleanup
2308		3898
2309	# install some emergency cleanup handlers	3899	# install some emergency cleanup handlers
2310	BEGIN {	3900	BEGIN {
		3901	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3902	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3903	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3904	cf::cleanup "SIG$signal";
2319	},
2320	);	3905	};
		3906	}
		3907	}
		3908
		3909	sub write_runtime_sync {
		3910	my $t0 = AE::time;
		3911
		3912	# first touch the runtime file to show we are still running:
		3913	# the fsync below can take a very very long time.
		3914
		3915	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3916
		3917	my $guard = cf::lock_acquire "write_runtime";
		3918
		3919	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3920	or return;
		3921
		3922	my $value = $cf::RUNTIME + 90 + 10;
		3923	# 10 is the runtime save interval, for a monotonic clock
		3924	# 60 allows for the watchdog to kill the server.
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	# touch it again to show we are up-to-date
		3934	aio_utime $fh, undef, undef;
		3935
		3936	close $fh
		3937	or return;
		3938
		3939	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3940	and return;
		3941
		3942	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3943
2321	}	3944	1
		3945	}
		3946
		3947	our $uuid_lock;
		3948	our $uuid_skip;
		3949
		3950	sub write_uuid_sync($) {
		3951	$uuid_skip ||= $_[0];
		3952
		3953	return if $uuid_lock;
		3954	local $uuid_lock = 1;
		3955
		3956	my $uuid = "$LOCALDIR/uuid";
		3957
		3958	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3959	or return;
		3960
		3961	my $value = uuid_seq uuid_cur;
		3962
		3963	unless ($value) {
		3964	info "cowardly refusing to write zero uuid value!\n";
		3965	return;
		3966	}
		3967
		3968	my $value = uuid_str $value + $uuid_skip;
		3969	$uuid_skip = 0;
		3970
		3971	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3972	and return;
		3973
		3974	# always fsync - this file is important
		3975	aio_fsync $fh
		3976	and return;
		3977
		3978	close $fh
		3979	or return;
		3980
		3981	aio_rename "$uuid~", $uuid
		3982	and return;
		3983
		3984	trace "uuid file written ($value).\n";
		3985
		3986	1
		3987
		3988	}
		3989
		3990	sub write_uuid($$) {
		3991	my ($skip, $sync) = @_;
		3992
		3993	$sync ? write_uuid_sync $skip
		3994	: async { write_uuid_sync $skip };
2322	}	3995	}
2323		3996
2324	sub emergency_save() {	3997	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3998	my $freeze_guard = cf::freeze_mainloop;
2326		3999
2327	warn "enter emergency perl save\n";	4000	info "emergency_perl_save: enter\n";
		4001
		4002	# this is a trade-off: we want to be very quick here, so
		4003	# save all maps without fsync, and later call a global sync
		4004	# (which in turn might be very very slow)
		4005	local $USE_FSYNC = 0;
2328		4006
2329	cf::sync_job {	4007	cf::sync_job {
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
2330	# use a peculiar iteration method to avoid tripping on perl	4010	# use a peculiar iteration method to avoid tripping on perl
2331	# refcount bugs in for. also avoids problems with players	4011	# refcount bugs in for. also avoids problems with players
2332	# and maps saved/destroyed asynchronously.	4012	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	4013	info "emergency_perl_save: begin player save\n";
2334	for my $login (keys %cf::PLAYER) {	4014	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	4015	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	4016	$pl->valid or next;
		4017	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	4018	$pl->save;
2338	}	4019	}
2339	warn "end emergency player save\n";	4020	info "emergency_perl_save: end player save\n";
2340		4021
2341	warn "begin emergency map save\n";	4022	cf::write_runtime_sync; # external watchdog should not bark
		4023
		4024	info "emergency_perl_save: begin map save\n";
2342	for my $path (keys %cf::MAP) {	4025	for my $path (keys %cf::MAP) {
2343	my $map = $cf::MAP{$path} or next;	4026	my $map = $cf::MAP{$path} or next;
2344	$map->valid or next;	4027	$map->valid or next;
2345	$map->save;	4028	$map->save;
2346	}	4029	}
2347	warn "end emergency map save\n";	4030	info "emergency_perl_save: end map save\n";
2348		4031
2349	warn "begin emergency database checkpoint\n";	4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
		4034	info "emergency_perl_save: begin database checkpoint\n";
2350	BDB::db_env_txn_checkpoint $DB_ENV;	4035	BDB::db_env_txn_checkpoint $DB_ENV;
2351	warn "end emergency database checkpoint\n";	4036	info "emergency_perl_save: end database checkpoint\n";
		4037
		4038	info "emergency_perl_save: begin write uuid\n";
		4039	write_uuid_sync 1;
		4040	info "emergency_perl_save: end write uuid\n";
		4041
		4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	trace "emergency_perl_save: syncing database to disk";
		4045	BDB::db_env_txn_checkpoint $DB_ENV;
		4046
		4047	info "emergency_perl_save: starting sync\n";
		4048	IO::AIO::aio_sync sub {
		4049	info "emergency_perl_save: finished sync\n";
		4050	};
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	trace "emergency_perl_save: flushing outstanding aio requests";
		4055	while (IO::AIO::nreqs || BDB::nreqs) {
		4056	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4057	}
		4058
		4059	cf::write_runtime_sync; # external watchdog should not bark
2352	};	4060	};
2353		4061
2354	warn "leave emergency perl save\n";	4062	info "emergency_perl_save: leave\n";
2355	}	4063	}
2356		4064
2357	sub post_cleanup {	4065	sub post_cleanup {
2358	my ($make_core) = @_;	4066	my ($make_core) = @_;
2359		4067
		4068	IO::AIO::flush;
		4069
2360	warn Carp::longmess "post_cleanup backtrace"	4070	error Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	4071	if $make_core;
2362	}
2363		4072
		4073	my $fh = pidfile;
		4074	unlink $PIDFILE if <$fh> == $$;
		4075	}
		4076
		4077	# a safer delete_package, copied from Symbol
		4078	sub clear_package($) {
		4079	my $pkg = shift;
		4080
		4081	# expand to full symbol table name if needed
		4082	unless ($pkg =~ /^main::.*::$/) {
		4083	$pkg = "main$pkg" if $pkg =~ /^::/;
		4084	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4085	$pkg .= '::' unless $pkg =~ /::$/;
		4086	}
		4087
		4088	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4089	my $stem_symtab = *{$stem}{HASH};
		4090
		4091	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4092	or return;
		4093
		4094	# clear all symbols
		4095	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4096	for my $name (keys %$leaf_symtab) {
		4097	_gv_clear *{"$pkg$name"};
		4098	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4099	}
		4100	}
		4101
2364	sub reload() {	4102	sub do_reload_perl() {
2365	# can/must only be called in main	4103	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	4104	unless (in_main) {
2367	warn "can only reload from main coroutine";	4105	error "can only reload from main coroutine";
2368	return;	4106	return;
2369	}	4107	}
2370		4108
2371	warn "reloading...";	4109	return if $RELOAD++;
2372		4110
2373	warn "entering sync_job";	4111	my $t1 = AE::time;
2374		4112
		4113	while ($RELOAD) {
		4114	cf::get_slot 0.1, -1, "reload_perl";
		4115	info "perl_reload: reloading...";
		4116
		4117	trace "perl_reload: entering sync_job";
		4118
2375	cf::sync_job {	4119	cf::sync_job {
2376	cf::write_runtime; # external watchdog should not bark
2377	cf::emergency_save;	4120	#cf::emergency_save;
2378	cf::write_runtime; # external watchdog should not bark
2379		4121
2380	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;
2382
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "flushing outstanding aio requests";
2391	for (;;) {
2392	BDB::flush;
2393	IO::AIO::flush;
2394	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";
2397	}
2398
2399	warn "cancelling all extension coros";	4122	trace "perl_reload: cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	4123	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	4124	%EXT_CORO = ();
2402		4125
2403	warn "removing commands";	4126	trace "perl_reload: removing commands";
2404	%COMMAND = ();	4127	%COMMAND = ();
2405		4128
2406	warn "removing ext commands";	4129	trace "perl_reload: removing ext/exti commands";
2407	%EXTCMD = ();	4130	%EXTCMD = ();
		4131	%EXTICMD = ();
2408		4132
2409	warn "unloading/nuking all extensions";	4133	trace "perl_reload: unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	4134	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	4135	trace "... unloading $pkg";
2412		4136
2413	if (my $cb = $pkg->can ("unload")) {	4137	if (my $cb = $pkg->can ("unload")) {
2414	eval {	4138	eval {
2415	$cb->($pkg);	4139	$cb->($pkg);
2416	1	4140	1
2417	} or warn "$pkg unloaded, but with errors: $@";	4141	} or error "$pkg unloaded, but with errors: $@";
		4142	}
		4143
		4144	trace "... clearing $pkg";
		4145	clear_package $pkg;
2418	}	4146	}
2419		4147
2420	warn "... nuking $pkg";
2421	Symbol::delete_package $pkg;
2422	}
2423
2424	warn "unloading all perl modules loaded from $LIBDIR";	4148	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2425	while (my ($k, $v) = each %INC) {	4149	while (my ($k, $v) = each %INC) {
2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4150	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427		4151
2428	warn "... unloading $k";	4152	trace "... unloading $k";
2429	delete $INC{$k};	4153	delete $INC{$k};
2430		4154
2431	$k =~ s/\.pm$//;	4155	$k =~ s/\.pm$//;
2432	$k =~ s/\//::/g;	4156	$k =~ s/\//::/g;
2433		4157
2434	if (my $cb = $k->can ("unload_module")) {	4158	if (my $cb = $k->can ("unload_module")) {
2435	$cb->();	4159	$cb->();
		4160	}
		4161
		4162	clear_package $k;
2436	}	4163	}
2437		4164
2438	Symbol::delete_package $k;
2439	}
2440
2441	warn "getting rid of safe::, as good as possible";	4165	trace "perl_reload: getting rid of safe::, as good as possible";
2442	Symbol::delete_package "safe::$_"	4166	clear_package "safe::$_"
2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4167	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444		4168
2445	warn "unloading cf.pm \"a bit\"";	4169	trace "perl_reload: unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	4170	delete $INC{"cf.pm"};
		4171	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447		4172
2448	# don't, removes xs symbols, too,	4173	# don't, removes xs symbols, too,
2449	# and global variables created in xs	4174	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	4175	#clear_package __PACKAGE__;
2451		4176
2452	warn "unload completed, starting to reload now";	4177	info "perl_reload: unload completed, starting to reload now";
2453		4178
2454	warn "reloading cf.pm";	4179	trace "perl_reload: reloading cf.pm";
2455	require cf;	4180	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4181	cf::_connect_to_perl_1;
2457		4182
2458	warn "loading config and database again";	4183	trace "perl_reload: loading config and database again";
2459	cf::cfg_load;	4184	cf::reload_config;
2460		4185
2461	warn "loading extensions";	4186	trace "perl_reload: loading extensions";
2462	cf::load_extensions;	4187	cf::load_extensions;
2463		4188
		4189	if ($REATTACH_ON_RELOAD) {
2464	warn "reattaching attachments to objects/players";	4190	trace "perl_reload: reattaching attachments to objects/players";
2465	_global_reattach;	4191	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	4192	trace "perl_reload: reattaching attachments to maps";
2467	reattach $_ for values %MAP;	4193	reattach $_ for values %MAP;
		4194	trace "perl_reload: reattaching attachments to players";
		4195	reattach $_ for values %PLAYER;
		4196	}
2468		4197
2469	warn "loading reloadable resources";	4198	cf::_post_init 1;
2470	load_resources;
2471		4199
2472	warn "leaving sync_job";	4200	trace "perl_reload: leaving sync_job";
2473		4201
2474	1	4202	1
2475	} or do {	4203	} or do {
2476	warn $@;	4204	error $@;
2477	warn "error while reloading, exiting.";	4205	cf::cleanup "perl_reload: error, exiting.";
2478	exit 1;	4206	};
		4207
		4208	--$RELOAD;
		4209	}
		4210
		4211	$t1 = AE::time - $t1;
		4212	info "perl_reload: completed in ${t1}s\n";
		4213	};
		4214
		4215	our $RELOAD_WATCHER; # used only during reload
		4216
		4217	sub reload_perl() {
		4218	# doing reload synchronously and two reloads happen back-to-back,
		4219	# coro crashes during coro_state_free->destroy here.
		4220
		4221	$RELOAD_WATCHER ||= cf::async {
		4222	Coro::AIO::aio_wait cache_extensions;
		4223
		4224	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4225	do_reload_perl;
		4226	undef $RELOAD_WATCHER;
		4227	};
2479	};	4228	};
2480		4229	}
2481	warn "reloaded";
2482	};
2483
2484	our $RELOAD_WATCHER; # used only during reload
2485		4230
2486	register_command "reload" => sub {	4231	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	4232	my ($who, $arg) = @_;
2488		4233
2489	if ($who->flag (FLAG_WIZ)) {	4234	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	4235	$who->message ("reloading server.");
2491		4236	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	4237	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	4238	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	4239	};
2504	}	4240	}
2505	};	4241	};
2506		4242
2507	unshift @INC, $LIBDIR;	4243	#############################################################################
2508		4244
2509	my $bug_warning = 0;	4245	my $bug_warning = 0;
2510		4246
2511	$TICK_WATCHER = Event->timer (	4247	sub wait_for_tick() {
2512	reentrant => 0,	4248	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2513	parked => 1,	4249
2514	prio => 0,	4250	$WAIT_FOR_TICK->wait;
2515	at => $NEXT_TICK || $TICK,	4251	}
2516	data => WF_AUTOCANCEL,	4252
2517	cb => sub {	4253	sub wait_for_tick_begin() {
		4254	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4255
		4256	my $signal = new Coro::Signal;
		4257	push @WAIT_FOR_TICK_BEGIN, $signal;
		4258	$signal->wait;
		4259	}
		4260
		4261	sub tick {
2518	if ($Coro::current != $Coro::main) {	4262	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4263	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	4264	unless ++$bug_warning > 10;
2521	return;	4265	return;
2522	}	4266	}
2523		4267
2524	$NOW = Event::time;	4268	cf::one_tick; # one server iteration
2525		4269
2526	cf::server_tick; # one server iteration	4270	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;
2529		4271
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4272	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	4273	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532	Coro::async_pool {	4274	Coro::async_pool {
		4275	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	4276	write_runtime_sync
2534	or warn "ERROR: unable to write runtime file: $!";	4277	or error "ERROR: unable to write runtime file: $!";
2535	};
2536	}	4278	};
		4279	}
2537		4280
2538		4281	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4282	$sig->send;
		4283	}
2539	$WAIT_FOR_TICK->broadcast;	4284	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541		4285
2542	# my $AFTER = Event::time;	4286	$LOAD = ($NOW - $TICK_START) / $TICK;
2543	# warn $AFTER - $NOW;#d#	4287	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2544		4288
2545	# if we are delayed by four ticks or more, skip them all	4289	if (0) {
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4290	if ($NEXT_TICK) {
2547		4291	my $jitter = $TICK_START - $NEXT_TICK;
2548	$TICK_WATCHER->at ($NEXT_TICK);	4292	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2549	$TICK_WATCHER->start;	4293	debug "jitter $JITTER\n";#d#
		4294	}
2550	},	4295	}
2551	);	4296	}
2552		4297
2553	{	4298	{
2554	BDB::max_poll_time $TICK * 0.1;	4299	# configure BDB
2555	$BDB_POLL_WATCHER = Event->io (	4300	info "initialising database";
2556	reentrant => 0,	4301
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;	4302	BDB::min_parallel 16;
2564		4303	BDB::max_poll_reqs $TICK * 0.1;
2565	BDB::set_sync_prepare {	4304	#$AnyEvent::BDB::WATCHER->priority (1);
2566	my $status;
2567	my $current = $Coro::current;
2568	(
2569	sub {
2570	$status = $!;
2571	$current->ready; undef $current;
2572	},
2573	sub {
2574	Coro::schedule while defined $current;
2575	$! = $status;
2576	},
2577	)
2578	};
2579		4305
2580	unless ($DB_ENV) {	4306	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	4307	$DB_ENV = BDB::db_env_create;
		4308	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4309	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4310	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4311	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4312	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582		4313
2583	cf::sync_job {	4314	cf::sync_job {
2584	eval {	4315	eval {
2585	BDB::db_env_open	4316	BDB::db_env_open
2586	$DB_ENV,	4317	$DB_ENV,
2587	$BDB_ENV_DIR,	4318	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4319	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4320	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	4321	0666;
2591		4322
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4323	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	4324	};
2597		4325
2598	cf::cleanup "db_env_open(db): $@" if $@;	4326	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	4327	};
2600	}	4328	}
		4329
		4330	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4331	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4332	};
		4333	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4334	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4335	};
		4336	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4337	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4338	};
		4339
		4340	info "database initialised";
2601	}	4341	}
2602		4342
2603	{	4343	{
		4344	# configure IO::AIO
		4345
		4346	info "initialising aio";
2604	IO::AIO::min_parallel 8;	4347	IO::AIO::min_parallel 8;
2605
2606	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	4348	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	4349	undef $AnyEvent::AIO::WATCHER;
2609	reentrant => 0,	4350	info "aio initialised";
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	4351	}
		4352
		4353	our $_log_backtrace;
		4354	our $_log_backtrace_last;
		4355
		4356	sub _log_backtrace {
		4357	my ($msg, @addr) = @_;
		4358
		4359	$msg =~ s/\n$//;
		4360
		4361	if ($_log_backtrace_last eq $msg) {
		4362	LOG llevInfo, "[ABT] $msg\n";
		4363	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4364	# limit the # of concurrent backtraces
		4365	} elsif ($_log_backtrace < 2) {
		4366	$_log_backtrace_last = $msg;
		4367	++$_log_backtrace;
		4368	my $perl_bt = Carp::longmess $msg;
		4369	async {
		4370	$Coro::current->{desc} = "abt $msg";
		4371
		4372	my @bt = fork_call {
		4373	@addr = map { sprintf "%x", $_ } @addr;
		4374	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4375	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4376	or die "addr2line: $!";
		4377
		4378	my @funcs;
		4379	my @res = <$fh>;
		4380	chomp for @res;
		4381	while (@res) {
		4382	my ($func, $line) = splice @res, 0, 2, ();
		4383	push @funcs, "[$func] $line";
		4384	}
		4385
		4386	@funcs
		4387	};
		4388
		4389	LOG llevInfo, "[ABT] $perl_bt\n";
		4390	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4391	LOG llevInfo, "[ABT] $_\n" for @bt;
		4392	--$_log_backtrace;
		4393	};
		4394	} else {
		4395	LOG llevInfo, "[ABT] $msg\n";
		4396	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4397	}
		4398	}
		4399
		4400	# load additional modules
		4401	require "cf/$_.pm" for @EXTRA_MODULES;
		4402	cf::_connect_to_perl_2;
2617		4403
2618	END { cf::emergency_save }	4404	END { cf::emergency_save }
2619		4405
2620	1	4406	1
2621		4407

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