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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		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 Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	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		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
56	our $NOW;	139	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		140
59	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	142	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	143	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		144
76	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
79	binmode STDOUT;	161	binmode STDOUT;
80	binmode STDERR;	162	binmode STDERR;
81		163
82	# read virtual server time, if available	164	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
87	}	169	}
88		170
89	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	172
91	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		175
96	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
97		177
98	sub cf::map::normalise;	178	sub cf::map::normalise;
99		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
100	#############################################################################	184	#############################################################################
101		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
102	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
103		198
104	=over 4	199	=over 4
105		200
106	=item $cf::UPTIME	201	=item $cf::UPTIME
107		202
108	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
109		219
110	=item $cf::RUNTIME	220	=item $cf::RUNTIME
111		221
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	223	every server tick.
114		224
115	=item $cf::LIBDIR	225	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		226	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		227	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		228
117	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		231	unique-items directory, player file directory, random maps directory and
		232	database environment.
119		233
		234	=item $cf::LOADAVG
		235
		236	The current CPU load on the server (alpha-smoothed), as a value between 0
		237	(none) and 1 (overloaded), indicating how much time is spent on processing
		238	objects per tick. Healthy values are < 0.5.
		239
120	=item $cf::NOW	240	=item $cf::LOAD
121		241
122	The time of the last (current) server tick.	242	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		243
128	=item %cf::CFG	244	=item %cf::CFG
129		245
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	247	from wherever your confdir points to.
132		248
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		250
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
139		283
140	=back	284	=back
141		285
142	=cut	286	=cut
143		287
144	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	295	my $msg = join "", @_;
147	utf8::encode $msg;
148		296
149	$msg .= "\n"	297	$msg .= "\n"
150	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
151		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
152	LOG llevError, $msg;	302	LOG llevWarn, $msg;
153	};	303	};
154	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
155		318
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		326
163	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	328	# within the Safe compartment.
165	for my $pkg (qw(	329	for my $pkg (qw(
166	cf::global cf::attachable	330	cf::global cf::attachable
167	cf::object cf::object::player	331	cf::object cf::object::player
168	cf::client cf::player	332	cf::client cf::player
169	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
170	cf::map cf::party cf::region	335	cf::party cf::region
171	)) {	336	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	338	}
175		339
176	$Event::DIED = sub {	340	$EV::DIED = sub {
177	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
178	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
179		350
180	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
181		352
182	=over 4	353	=over 4
183		354
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	374	$d
204	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
205	}	376	}
206		377
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
208		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
209	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
210		431
211	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
212		433
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
221		435
222	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
223		437
224	=cut	438	=cut
225		439
226	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
228	JSON::Syck::Dump $_[0]	442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
229	}	505	}
230		506
231	=item cf::lock_wait $string	507	=item cf::lock_wait $string
232		508
233	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
234		510
235	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
236		512
237	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
240	returned.	516	returned.
241		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
242	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
244		523
245	=cut	524	=item $locked = cf::lock_active $string
246		525
247	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
248		531
249	sub lock_wait($) {	532	sub lock_wait($) {
250	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	534	}
258		535
259	sub lock_acquire($) {	536	sub lock_acquire($) {
260	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
261		539
262	# wait, to be sure we are not locked	540	sub lock_active($) {
263	lock_wait $key;	541	$LOCKS->count ($_[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	}	542	}
272		543
273	sub freeze_mainloop {	544	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
275		546
276	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
278	};	617	}
279	$TICK_WATCHER->stop;	618	};
280	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
281	}	633	}
282		634
283	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
284		636
285	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		642
291	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
292		644
293	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
294		646
295	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
298		651
299	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
302	fast or be very important.	655	fast or be very important.
…		…
304	=cut	657	=cut
305		658
306	sub sync_job(&) {	659	sub sync_job(&) {
307	my ($job) = @_;	660	my ($job) = @_;
308		661
309	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
310	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
312		667
313	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	669
315	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
316		671
317	my $busy = 1;	672	my $busy = 1;
318	my @res;	673	my @res;
319		674
320	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	677	@res = eval { $job->() };
322	warn $@ if $@;	678	error $@ if $@;
323	undef $busy;	679	undef $busy;
324	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
325		681
326	while ($busy) {	682	while ($busy) {
327	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
328	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
329		693
330	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
331	} else {	695	} else {
332	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
333		697
…		…
353	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
354		718
355	$coro	719	$coro
356	}	720	}
357		721
358	sub write_runtime {	722	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		723
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
362	or return;	725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
363		728
364	my $value = $cf::RUNTIME + 90 + 10;	729	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		730
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	731	sub post_fork {
369	and return;	732	reset_signals;
		733	}
370		734
371	# always fsync - this file is important	735	sub fork_call(&@) {
372	aio_fsync $fh	736	my ($cb, @args) = @_;
373	and return;
374		737
375	close $fh	738	# we seemingly have to make a local copy of the whole thing,
376	or return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
377		741
378	aio_rename "$runtime~", $runtime	742	my @res = Coro::Util::fork_eval {
379	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
380		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
381	1	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
		914	}
		915
		916	=item cf::datalog type => key => value, ...
		917
		918	Log a datalog packet of the given type with the given key-value pairs.
		919
		920	=cut
		921
		922	sub datalog($@) {
		923	my ($type, %kv) = @_;
		924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	925	}
383		926
384	=back	927	=back
385		928
386	=cut	929	=cut
387		930
388	#############################################################################	931	#############################################################################
389		932
390	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
391		934
392	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
395		938
396	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	941	Deliantra).
399		942
400	=over 4	943	=over 4
401		944
402	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
403		946
…		…
447	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
448		991
449	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
451		994
452	Some classes such as crossfire maps and objects can specify attachments	995	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.	996	that are attached at load/instantiate time, thus the need for a name.
454		997
455	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
456		999
457	=over 4	1000	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
567		1110
568	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1115
573	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
575		1118
576	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
581		1124
582	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1127
585	} elsif (ref $type) {	1128	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
587		1130
588	} else {	1131	} else {
589	shift @arg;	1132	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
591	}	1134	}
592	}	1135	}
593	}	1136	}
594		1137
595	sub _object_attach {	1138	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
606	}	1149	}
607		1150
608	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
609	} else {	1152	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1154	}
612		1155
613	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
614	}	1157	}
615		1158
…		…
617	if (ref $_[0]) {	1160	if (ref $_[0]) {
618	_object_attach @_;	1161	_object_attach @_;
619	} else {	1162	} else {
620	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
621	}	1164	}
		1165	_recalc_want;
622	};	1166	};
623		1167
624	# all those should be optimised	1168	# all those should be optimised
625	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1174	reattach ($obj);
631	} else {	1175	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
633	}	1177	}
		1178	_recalc_want;
634	};	1179	};
635		1180
636	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
638		1183
…		…
653	";	1198	";
654	die if $@;	1199	die if $@;
655	}	1200	}
656		1201
657	our $override;	1202	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1204
660	sub override {	1205	sub override {
661	$override = 1;	1206	$override = 1;
662	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
663	}	1208	}
664		1209
665	sub do_invoke {	1210	sub do_invoke {
666	my $event = shift;	1211	my $event = shift;
667	my $callbacks = shift;	1212	my $callbacks = shift;
668		1213
669	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
670		1215
671	local $override;	1216	local $override;
672		1217
673	for (@$callbacks) {	1218	for (@$callbacks) {
674	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
675		1220
676	if ($@) {	1221	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1223	override;
680	}	1224	}
681		1225
682	return 1 if $override;	1226	return 1 if $override;
683	}	1227	}
684		1228
685	0	1229	0
686	}	1230	}
687		1231
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1233
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1235
692	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
693		1237
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1241
698	=back	1242	=back
699		1243
700	=cut	1244	=cut
701		1245
702	#############################################################################	1246	#############################################################################
703	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
704		1290
705	sub reattach {	1291	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1293	my ($obj) = @_;
708		1294
		1295	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1297
711	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
712		1299
713	@$registry = ();	1300	@$registry = ();
714		1301
…		…
719	for (@$attach) {	1306	for (@$attach) {
720	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
722	}	1309	}
723	} else {	1310	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1312	}
726	}	1313	}
727	}	1314	}
728		1315
729	cf::attachable->attach (	1316	cf::attachable->attach (
730	prio => -1000000,	1317	prio => -1000000,
731	on_instantiate => sub {	1318	on_instantiate => sub {
732	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
733		1320
734	$data = from_json $data;	1321	$data = decode_json $data;
735		1322
736	for (@$data) {	1323	for (@$data) {
737	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
738		1325
739	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1342	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
757		1344
758	sync_job {	1345	sync_job {
759	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
762		1351
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
767	close $fh;	1359	aio_close $fh;
768		1360
769	if (@$objs) {	1361	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
775	close $fh;	1370	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
777	}	1372	}
778	} else {	1373	} else {
779	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
780	}	1375	}
781		1376
782	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1381	} else {
784	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
785	}	1383	}
786	} else {	1384	} else {
787	aio_unlink $filename;	1385	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
789	}	1387	}
790	}	1388	};
791	}	1389	}
792		1390
793	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
795		1393
…		…
807	or return;	1405	or return;
808		1406
809	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
811	or return;	1409	or return;
		1410
812	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
813	}	1413	}
814		1414
		1415	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
817	return ($data, $av);	1420	($data, $av)
818	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
819		1428
820	#############################################################################	1429	#############################################################################
821	# command handling &c	1430	# command handling &c
822		1431
823	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1446	}
838		1447
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1449
841	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
842		1455
843	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
844	called.	1457	called.
845		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
846	=cut	1470	=cut
847		1471
848	sub register_extcmd {	1472	sub register_extcmd {
849	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
850		1474
851	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
852	}	1476	}
853		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
854	cf::player->attach (	1486	cf::player->attach (
855	on_command => sub {	1487	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
857		1489
858	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
859	or return;	1491	or return;
860		1492
…		…
865	cf::override;	1497	cf::override;
866	},	1498	},
867	on_extcmd => sub {	1499	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
869		1501
870	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1503
872	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
878	} else {	1516	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1518	}
881		1519
882	cf::override;	1520	cf::override;
883	},	1521	},
884	);	1522	);
885		1523
		1524	# "readahead" all extensions
886	sub load_extension {	1525	sub cache_extensions {
887	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
888		1527
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1531	}
914	die $@;
915	}	1532	};
916		1533
917	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
918	}	1546	}
919		1547
920	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
921	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1557	next unless -r $path;
923	eval {	1558
924	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
925	1	1631	}
926	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
927	}	1644	};
928	}	1645	}
929		1646
930	#############################################################################	1647	#############################################################################
931		1648
		1649	=back
		1650
932	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
933		1652
934	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
935		1654
936	=cut	1655	=cut
937		1656
938	package cf::player;	1657	package cf::player;
939		1658
…		…
941		1660
942	=head3 cf::player	1661	=head3 cf::player
943		1662
944	=over 4	1663	=over 4
945		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
		1678
946	=item cf::player::find $login	1679	=item cf::player::find $login
947		1680
948	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
949		1682
950	=cut	1683	=cut
951		1684
952	sub playerdir($) {	1685	sub playerdir($) {
953	cf::localdir	1686	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1688	}
959		1689
960	sub path($) {	1690	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1692
963	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
964	}	1694	}
965		1695
966	sub find_active($) {	1696	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
971		1701
972	sub exists($) {	1702	sub exists($) {
973	my ($login) = @_;	1703	my ($login) = @_;
974		1704
975	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
977	}	1707	}
978		1708
979	sub find($) {	1709	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1711	my $login = $_[0];
982		1712
983	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
984		1714
985	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1716	# rename old playerfiles to new ones
		1717	#TODO: remove when no longer required
		1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1721	aio_unlink +(playerdir $login) . "/$login.pl";
		1722
		1723	my $f = new_from_file cf::object::thawer path $login
987	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
989	}	1732	}
990	}	1733	}
991	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
992		1748
993	sub save($) {	1749	sub save($) {
994	my ($pl) = @_;	1750	my ($pl) = @_;
995		1751
996	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1002		1758
1003	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1005		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1006	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1007	Coro::cede;	1768	cf::cede_to_tick;
1008	}	1769	}
1009		1770
1010	sub new($) {	1771	sub new($) {
1011	my ($login) = @_;	1772	my ($login) = @_;
1012		1773
…		…
1018	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1019		1780
1020	$self	1781	$self
1021	}	1782	}
1022		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1023	=item $pl->quit_character	1794	=item $pl->quit_character
1024		1795
1025	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1027		1798
1028	=cut	1799	=cut
1029		1800
1030	sub quit_character {	1801	sub quit_character {
1031	my ($pl) = @_;	1802	my ($pl) = @_;
1032		1803
		1804	my $name = $pl->ob->name;
		1805
1033	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1808
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1039	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1040		1817
1041	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1822	$pl->destroy;
		1823
		1824	my $prefix = qr<^~\Q$name\E/>;
		1825
		1826	# nuke player maps
		1827	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1828
1046	IO::AIO::aio_rmtree $temp;	1829	IO::AIO::aio_rmtree $temp;
		1830	}
		1831
		1832	=item $pl->kick
		1833
		1834	Kicks a player out of the game. This destroys the connection.
		1835
		1836	=cut
		1837
		1838	sub kick {
		1839	my ($pl, $kicker) = @_;
		1840
		1841	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1842	$pl->killer ("kicked");
		1843	$pl->ns->destroy;
1047	}	1844	}
1048		1845
1049	=item cf::player::list_logins	1846	=item cf::player::list_logins
1050		1847
1051	Returns am arrayref of all valid playernames in the system, can take a	1848	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1053		1850
1054	=cut	1851	=cut
1055		1852
1056	sub list_logins {	1853	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1855	or return [];
1059		1856
1060	my @logins;	1857	my @logins;
1061		1858
1062	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1066		1869
1067	utf8::decode $login;	1870	utf8::decode $login;
1068	push @logins, $login;	1871	push @logins, $login;
1069	}	1872	}
1070		1873
1071	\@logins	1874	\@logins
1072	}	1875	}
1073		1876
1074	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1075		1880
1076	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1077	player. May block.	1882	player. May block.
1078		1883
1079	=cut	1884	=cut
…		…
1097	}	1902	}
1098		1903
1099	\@paths	1904	\@paths
1100	}	1905	}
1101		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1103		1912
1104	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1105		1914
1106	=cut	1915	=cut
1107		1916
1108	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1110		1919
1111	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1921	}
1115		1922
1116	package cf;	1923	=item $player->ext_msg ($type, @msg)
		1924
		1925	Sends an ext event to the client.
		1926
		1927	=cut
		1928
		1929	sub ext_msg($$@) {
		1930	my ($self, $type, @msg) = @_;
		1931
		1932	$self->ns->ext_msg ($type, @msg);
		1933	}
		1934
		1935	=head3 cf::region
		1936
		1937	=over 4
		1938
		1939	=cut
		1940
		1941	package cf::region;
		1942
		1943	=item cf::region::find_by_path $path
		1944
		1945	Tries to decuce the likely region for a map knowing only its path.
		1946
		1947	=cut
		1948
		1949	sub find_by_path($) {
		1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
		1954	my ($match, $specificity);
		1955
		1956	for my $region (list) {
		1957	if ($region->{match} && $path =~ $region->{match}) {
		1958	($match, $specificity) = ($region, $region->specificity)
		1959	if $region->specificity > $specificity;
		1960	}
		1961	}
		1962
		1963	$match
		1964	}
1117		1965
1118	=back	1966	=back
1119
1120		1967
1121	=head3 cf::map	1968	=head3 cf::map
1122		1969
1123	=over 4	1970	=over 4
1124		1971
…		…
1136	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1138		1985
1139	sub generate_random_map {	1986	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1142	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1992	}
1156		1993
1157	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1158		1995
1159	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1164		2001
1165	sub register {	2002	sub register {
1166	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	2004	my $pkg = caller;
1168		2005
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		2007
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	2009	}
1174		2010
1175	# also paths starting with '/'	2011	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		2013
1178	sub thawer_merge {	2014	sub thawer_merge {
1179	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1180		2016
1181	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1182	local $self->{path};	2018	local $self->{path};
1183	local $self->{load_path};	2019	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		2020
1187	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1188	}	2022	}
1189		2023
1190	sub normalise {	2024	sub normalise {
1191	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1192		2026
1193	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1194		2028
1195	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1196		2030
1197	# map plan:	2031	# map plan:
1198	#	2032	#
…		…
1213	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	2048	$path = "$base/$path";
1215	}	2049	}
1216		2050
1217	for ($path) {	2051	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1221	}	2054	}
1222		2055
1223	$path	2056	$path
…		…
1237	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1238	return $self;	2071	return $self;
1239	}	2072	}
1240	}	2073	}
1241		2074
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2076	()
1244	}	2077	}
1245		2078
		2079	# may re-bless or do other evil things
1246	sub init {	2080	sub init {
1247	my ($self) = @_;	2081	my ($self) = @_;
1248		2082
1249	$self	2083	$self
1250	}	2084	}
…		…
1262		2096
1263	# the original (read-only) location	2097	# the original (read-only) location
1264	sub load_path {	2098	sub load_path {
1265	my ($self) = @_;	2099	my ($self) = @_;
1266		2100
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1268	}	2102	}
1269		2103
1270	# the temporary/swap location	2104	# the temporary/swap location
1271	sub save_path {	2105	sub save_path {
1272	my ($self) = @_;	2106	my ($self) = @_;
1273		2107
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1276	}	2110	}
1277		2111
1278	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1279	sub uniq_path {	2113	sub uniq_path {
1280	my ($self) = @_;	2114	my ($self) = @_;
1281		2115
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1284	}	2118	}
1285		2119
1286	# and all this just because we cannot iterate over	2120	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2121	my ($self) = @_;
1290		2122
1291	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1293	}	2126	}
1294		2127
1295	sub unlink_save {	2128	sub unlink_save {
1296	my ($self) = @_;	2129	my ($self) = @_;
1297		2130
…		…
1302		2135
1303	sub load_header_from($) {	2136	sub load_header_from($) {
1304	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1305		2138
1306	utf8::encode $path;	2139	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	2141	or return;
1312		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1313	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1314		2150
1315	1	2151	1
1316	}	2152	}
1317		2153
		2154	# used to laod the header of an original map
1318	sub load_header_orig {	2155	sub load_header_orig {
1319	my ($self) = @_;	2156	my ($self) = @_;
1320		2157
1321	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1322	}	2159	}
1323		2160
		2161	# used to laod the header of an instantiated map
1324	sub load_header_temp {	2162	sub load_header_temp {
1325	my ($self) = @_;	2163	my ($self) = @_;
1326		2164
1327	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1328	}	2166	}
1329		2167
		2168	# called after loading the header from an instantiated map
1330	sub prepare_temp {	2169	sub prepare_temp {
1331	my ($self) = @_;	2170	my ($self) = @_;
1332		2171
1333	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1334	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1335	# safety	2174	# safety
1336	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1337	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1338	}	2177	}
1339		2178
		2179	# called after loading the header from an original map
1340	sub prepare_orig {	2180	sub prepare_orig {
1341	my ($self) = @_;	2181	my ($self) = @_;
1342		2182
1343	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1344	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1355	$self->load_header_orig	2195	$self->load_header_orig
1356	or return;	2196	or return;
1357	$self->prepare_orig;	2197	$self->prepare_orig;
1358	}	2198	}
1359		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
		2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
1360	1	2206	1
1361	}	2207	}
1362		2208
1363	sub find;	2209	sub find;
1364	sub find {	2210	sub find {
1365	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1366		2212
		2213	cf::cede_to_tick;
		2214
1367	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1368		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1370		2219
1371	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1374	or return;	2222	or return;
1375		2223
1376	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1377		2225
1378	$map->load_header	2226	$map->load_header
1379	or return;	2227	or return;
1380		2228
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1384	$map->reset;	2234	$map->reset;
1385	undef $guard;
1386	return find $path;	2235	return find $path;
1387	}	2236	}
1388		2237
1389	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1390	}	2239	}
1391	}	2240	}
1392		2241
1393	sub pre_load { }	2242	sub pre_load { }
1394	sub post_load { }	2243	#sub post_load { } # XS
1395		2244
1396	sub load {	2245	sub load {
1397	my ($self) = @_;	2246	my ($self) = @_;
1398		2247
1399	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1400		2249
1401	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1403		2254
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1405		2257
1406	$self->in_memory (cf::MAP_LOADING);
1407
1408	$self->alloc;	2258	$self->alloc;
1409		2259
1410	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1411		2262
1412	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1413	or return;	2267	or return;
1414		2268
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1416	if delete $self->{load_original};	2270	if delete $self->{load_original};
1417		2271
1418	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2273	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2276	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1423	}	2281	}
1424	}
1425		2282
1426	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1427		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1428	# now do the right thing for maps	2292	# now do the right thing for maps
1429	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2295	unless $self->difficulty;
1439	Coro::cede;	2296	cf::cede_to_tick;
1440	$self->activate;	2297
		2298	unless ($self->{deny_activate}) {
		2299	$self->decay_objects;
		2300	$self->fix_auto_apply;
		2301	$self->update_buttons;
		2302	cf::cede_to_tick;
		2303	#$self->activate; # no longer activate maps automatically
		2304	}
		2305
		2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1441	}	2308	}
1442		2309
1443	$self->post_load;	2310	$self->post_load;
1444		2311
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1446	}	2313	}
1447		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1448	sub customise_for {	2318	sub customise_for {
1449	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1450		2320
1451	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2322	if $self->per_player;
1453		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1454	$self	2327	$self
1455	}
1456
1457	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {
1459	my ($map) = @_;
1460
1461	my @diag; # diagonal neighbours
1462
1463	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)
1465	or next;
1466	$neigh = find $neigh, $map
1467	or next;
1468	$neigh->load;
1469
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}
1473
1474	for (@diag) {
1475	my $neigh = find @$_
1476	or next;
1477	$neigh->load;
1478	}
1479	}	2328	}
1480		2329
1481	sub find_sync {	2330	sub find_sync {
1482	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1483		2332
1484	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1485	}	2338	}
1486		2339
1487	sub do_load_sync {	2340	sub do_load_sync {
1488	my ($map) = @_;	2341	my ($map) = @_;
1489		2342
1490	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1491	}	2348	}
1492		2349
1493	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1495		2352
1496	sub find_async {	2353	sub find_async {
1497	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1498		2355
1499	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1500		2357
1501	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1503	}	2360	}
1504		2361
1505	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1506	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1507	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2369	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2370	$map->load if $v;
		2371	}
1512		2372
1513	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1514	}	2374	}
1515	}	2375	}
1516	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1517	};	2377	};
1518	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1519		2379
1520	()	2380	()
1521	}	2381	}
1522		2382
		2383	# common code, used by both ->save and ->swapout
1523	sub save {	2384	sub _save {
1524	my ($self) = @_;	2385	my ($self) = @_;
1525
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1527		2386
1528	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1529		2388
1530	return unless $self->dirty;	2389	return unless $self->dirty;
1531		2390
…		…
1537	return if $self->{deny_save};	2396	return if $self->{deny_save};
1538		2397
1539	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1540		2399
1541	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1543	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1544		2406
1545	if ($uniq) {	2407	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2410	} else {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1550	}	2412	}
1551	}	2413	}
1552		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1553	sub swap_out {	2423	sub swap_out {
1554	my ($self) = @_;	2424	my ($self) = @_;
1555		2425
1556	# save first because save cedes
1557	$self->save;
1558
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1561	return if $self->players;	2430	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};
1564		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1565	$self->clear;	2441	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2442	}
1568		2443
1569	sub reset_at {	2444	sub reset_at {
1570	my ($self) = @_;	2445	my ($self) = @_;
1571		2446
1572	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1575		2449
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2452
…		…
1589	my ($self) = @_;	2463	my ($self) = @_;
1590		2464
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2466
1593	return if $self->players;	2467	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2468
1596	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1597		2470
1598	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1599		2472
1600	# need to save uniques path	2473	# need to save uniques path
1601	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1602	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1603		2476
…		…
1605	if $uniq;	2478	if $uniq;
1606	}	2479	}
1607		2480
1608	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1609		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2485	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2486
1614	$self->unlink_save;	2487	$self->unlink_save;
1615	$self->destroy;	2488	$self->destroy;
1616	}	2489	}
1617		2490
1618	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1619		2492
1620	sub nuke {	2493	sub nuke {
1621	my ($self) = @_;	2494	my ($self) = @_;
1622		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1623	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1624		2500
1625	$self->unlink_save;	2501	$self->unlink_save;
1626		2502
1627	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1628	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2508
1633	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1634		2511
1635	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1636	}	2549	}
1637		2550
1638	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1639		2552
1640	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2554	instantiated unique items. May block.
1642		2555
1643	=cut	2556	=cut
1644		2557
1645	sub unique_maps() {	2558	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1647	or return;	2560	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2561	utf8::decode $_;
1653	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2564	? ()
1656	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2567	]
1658
1659	\@paths
1660	}	2568	}
1661		2569
1662	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1663		2601
1664	=back	2602	=back
1665		2603
1666	=head3 cf::object	2604	=head3 cf::object
1667		2605
…		…
1671		2609
1672	=over 4	2610	=over 4
1673		2611
1674	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1675		2613
1676	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1677		2616
1678	=cut	2617	=cut
1679		2618
1680	sub inv_recursive_;	2619	sub inv_recursive_;
1681	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1684		2623
1685	sub inv_recursive {	2624	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1687	}	2626	}
1688		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1689	package cf;	2656	package cf;
1690		2657
1691	=back	2658	=back
1692		2659
1693	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1702		2669
1703	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1704		2685
1705	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2687	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1710		2691
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2693
1713	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1715	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1718	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1719	}	2719	}
1720		2720
1721	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1722		2722
1723	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1736		2736
1737	=item $player_object->enter_link	2737	=item $player_object->enter_link
1738		2738
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2740
1741	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1743		2745
1744	Will never block.	2746	Will never block.
1745		2747
1746	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1747		2749
…		…
1767	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1768	my ($self) = @_;	2770	my ($self) = @_;
1769		2771
1770	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1771		2773
		2774	++$self->{_link_recursion};
		2775
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2777
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1776		2780
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1778	}	2782	}
1779		2783
1780	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1782		2788
1783	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1784		2790
1785	unless ($map) {	2791	unless ($map) {
1786	# restore original map position	2792	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1799		2805
1800	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1803		2809
1804	$map->load;	2810	$map->load;
1805	$map->load_diag;
1806		2811
1807	return unless $self->contr->active;	2812	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2813
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1812	}	2816	# entering was successful
1813		2817	delete $self->{_link_recursion};
1814	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2819	$self->activate_recursive;
1816	my ($pl) = @_;
1817
1818	# abort map switching before logout
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},	2820	}
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2821
1828	# try to abort aborted map switching on player login :)	2822	}
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2823
1846	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1847		2825
		2826	Moves the player to the given map-path and coordinates by first freezing
		2827	her, loading and preparing them map, calling the provided $check callback
		2828	that has to return the map if sucecssful, and then unfreezes the player on
		2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
1848	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1849		2838
1850	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
		2848	# do generation counting so two concurrent goto's will be executed in-order
		2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2850
1853	$self->enter_link;	2851	$self->enter_link;
1854		2852
1855	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
1856	my $map = eval {	2875	my $map = eval {
1857	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
		2881	} else {
		2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
		2884
1859	$map	2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2891	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1864	})->prio (1);	2899	})->prio (1);
1865	}	2900	}
1866		2901
1867	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1868		2903
…		…
1888	}	2923	}
1889		2924
1890	sub prepare_random_map {	2925	sub prepare_random_map {
1891	my ($exit) = @_;	2926	my ($exit) = @_;
1892		2927
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2930	# that depends on the exit object
1898		2931
1899	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2934	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1906	}	2941	}
1907		2942
1908	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1909		2944
1910	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1913		2948
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2951	undef $fh;
1917	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1918		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1921	}	2960	}
1922	}	2961	}
1923		2962
1924	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1926		2965
1927	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1928		2967
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2968	$self->enter_link;
1939		2969
1940	(async {	2970	(async {
1941	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1942	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
1943	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1944		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
1945	1;	3009	1
1946	}) {	3010	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1951		3015
1952	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1953	$self->leave_link;	3017	$self->leave_link;
1954	}	3018	}
1955	})->prio (1);	3019	})->prio (1);
1956	}	3020	}
1957		3021
…		…
1968		3032
1969	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1971		3035
1972	utf8::encode $text;	3036	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	3038	}
1975		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
		3227	=item $client->ext_msg ($type, @msg)
		3228
		3229	Sends an ext event to the client.
		3230
		3231	=cut
		3232
		3233	sub cf::client::ext_msg($$@) {
		3234	my ($self, $type, @msg) = @_;
		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3256	}
1976		3257
1977	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1978		3259
1979	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3263
1983	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3265	become reliable at some point in the future.
1985		3266
1986	=cut	3267	=cut
1987		3268
1988	sub cf::client::query {	3269	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3278	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3280
2000	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2002	}	3285	}
2003		3286
2004	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2005	on_reply => sub {	3293	on_reply => sub {
2006	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2007		3295
2008	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2009	# get handled first	3297	# get handled first
…		…
2021	} else {	3309	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3311	}
2024	}	3312	}
2025	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
2026	);	3337	);
2027		3338
2028	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2029		3340
2030	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		3357
2047	$coro	3358	$coro
2048	}	3359	}
2049		3360
2050	cf::client->attach (	3361	cf::client->attach (
2051	on_destroy => sub {	3362	on_client_destroy => sub {
2052	my ($ns) = @_;	3363	my ($ns) = @_;
2053		3364
2054	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2055	},	3366	},
2056	);	3367	);
…		…
2071	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2073		3384
2074	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2075		3386
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2077		3392
2078	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2079		3394
2080	=pod	3395	=pod
2081		3396
2082	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2083		3398
2084	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2085	cf::object::player player	3404	cf::object::player
2086	cf::player peaceful	3405	player
2087	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2088		3412
2089	=cut	3413	=cut
2090		3414
2091	for (	3415	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2096	) {	3422	) {
2097	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2100	for @funs;	3425	for @funs;
2101	}	3426	}
2102		3427
…		…
2117		3442
2118	my $qcode = $code;	3443	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2121		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2122	local $_;	3450	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3451
2125	my $eval =	3452	my $eval =
2126	"do {\n"	3453	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3456	. $code
2130	. "\n}"	3457	. "\n}"
2131	;	3458	;
2132		3459
		3460	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2136		3469
2137	if ($@) {	3470	if ($@) {
2138	warn "$@";	3471	warn "$@",
2139	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2140	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2141	}	3474	}
2142		3475
2143	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2144	}	3477	}
2145		3478
…		…
2159	=cut	3492	=cut
2160		3493
2161	sub register_script_function {	3494	sub register_script_function {
2162	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2163		3496
2164	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2166	}	3499	}
2167		3500
2168	=back	3501	=back
2169		3502
2170	=cut	3503	=cut
2171
2172	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243		3504
2244	#############################################################################	3505	#############################################################################
2245	# the server's init and main functions	3506	# the server's init and main functions
2246		3507
2247	sub init_resources {	3508	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3509	my ($path) = @_;
		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
		3517	trace "loading facedata from $path\n";
		3518
		3519	my $facedata = decode_storable load_file $path;
		3520
		3521	$facedata->{version} == 2
		3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
		3533	{
		3534	my $faces = $facedata->{faceinfo};
		3535
		3536	while (my ($face, $info) = each %$faces) {
		3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
		3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
		3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3544
		3545	cf::cede_to_tick;
		3546	}
		3547
		3548	while (my ($face, $info) = each %$faces) {
		3549	next unless $info->{smooth};
		3550
		3551	my $idx = cf::face::find $face
		3552	or next;
		3553
		3554	if (my $smooth = cf::face::find $info->{smooth}) {
		3555	cf::face::set_smooth $idx, $smooth;
		3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3557	} else {
		3558	error "smooth face '$info->{smooth}' not found for face '$face'";
		3559	}
		3560
		3561	cf::cede_to_tick;
		3562	}
		3563	}
		3564
		3565	{
		3566	my $anims = $facedata->{animinfo};
		3567
		3568	while (my ($anim, $info) = each %$anims) {
		3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3570	cf::cede_to_tick;
		3571	}
		3572
		3573	cf::anim::invalidate_all; # d'oh
		3574	}
		3575
		3576	{
		3577	my $res = $facedata->{resource};
		3578
		3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
		3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3583
		3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3587	} else {
		3588	# $RESOURCE{$name} = $info; # unused
		3589	}
		3590
		3591	cf::cede_to_tick;
		3592	}
		3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
		3597	1
		3598	}
		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
		3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
		3623	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3624	or die "unable to load regions file\n";
2250	}
2251		3625
2252	sub cfg_load {	3626	for (cf::region::list) {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3627	$_->{match} = qr/$_->{match}/
2254	or return;	3628	if exists $_->{match};
		3629	}
		3630	}
2255		3631
2256	local $/;	3632	sub reload_facedata {
2257	*CFG = YAML::Syck::Load <$fh>;	3633	load_facedata "$DATADIR/facedata"
		3634	or die "unable to load facedata\n";
		3635	}
2258		3636
		3637	sub reload_archetypes {
		3638	load_resource_file "$DATADIR/archetypes"
		3639	or die "unable to load archetypes\n";
		3640	}
		3641
		3642	sub reload_treasures {
		3643	load_resource_file "$DATADIR/treasures"
		3644	or die "unable to load treasurelists\n";
		3645	}
		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
		3667	sub reload_resources {
		3668	trace "reloading resource files...\n";
		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
		3675	reload_regions;
		3676	reload_treasures;
		3677
		3678	trace "finished reloading resource files\n";
		3679	}
		3680
		3681	sub reload_config {
		3682	trace "reloading config file...\n";
		3683
		3684	my $config = load_file "$CONFDIR/config";
		3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
		3687
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3689
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3692
2264	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2268	};	3697	};
2269	warn $@ if $@;	3698	warn $@ if $@;
2270	}	3699	}
2271	}	3700	}
2272		3701
2273	sub init {	3702	sub pidfile() {
2274	init_resources;	3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3728	}
2276		3729
2277	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2278	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3743	(async {
2282	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2284	};	3747	};
2285		3748
2286	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
2287	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2288	load_extensions;	3772	load_extensions;
2289		3773
2290	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2292	}	3791	}
2293		3792
2294	#############################################################################	3793	#############################################################################
2295	# initialisation and cleanup	3794	# initialisation and cleanup
2296		3795
2297	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2298	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2307	},
2308	);	3802	};
		3803	}
		3804	}
		3805
		3806	sub write_runtime_sync {
		3807	my $t0 = AE::time;
		3808
		3809	# first touch the runtime file to show we are still running:
		3810	# the fsync below can take a very very long time.
		3811
		3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3813
		3814	my $guard = cf::lock_acquire "write_runtime";
		3815
		3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3817	or return;
		3818
		3819	my $value = $cf::RUNTIME + 90 + 10;
		3820	# 10 is the runtime save interval, for a monotonic clock
		3821	# 60 allows for the watchdog to kill the server.
		3822
		3823	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3824	and return;
		3825
		3826	# always fsync - this file is important
		3827	aio_fsync $fh
		3828	and return;
		3829
		3830	# touch it again to show we are up-to-date
		3831	aio_utime $fh, undef, undef;
		3832
		3833	close $fh
		3834	or return;
		3835
		3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3837	and return;
		3838
		3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3840
2309	}	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2310	}	3892	}
2311		3893
2312	sub emergency_save() {	3894	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2314		3896
2315	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2316		3903
2317	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2318	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3915	$pl->save;
2326	}	3916	}
2327	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2328		3918
2329	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3924	$map->valid or next;
2333	$map->save;	3925	$map->save;
2334	}	3926	}
2335	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2336		3928
2337	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3957	};
2341		3958
2342	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2343	}	3960	}
2344		3961
2345	sub post_cleanup {	3962	sub post_cleanup {
2346	my ($make_core) = @_;	3963	my ($make_core) = @_;
2347		3964
		3965	IO::AIO::flush;
		3966
2348	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3968	if $make_core;
2350	}
2351		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
		3997	}
		3998
2352	sub reload() {	3999	sub do_reload_perl() {
2353	# can/must only be called in main	4000	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2355	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2356	return;	4003	return;
2357	}	4004	}
2358		4005
2359	warn "reloading...";	4006	return if $RELOAD++;
2360		4007
2361	warn "entering sync_job";	4008	my $t1 = AE::time;
2362		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2363	cf::sync_job {	4016	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark
2365	cf::emergency_save;	4017	#cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark
2367		4018
2368	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;
2370
2371	# if anything goes wrong in here, we should simply crash as we already saved
2372
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";
2385	}
2386
2387	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	4021	%EXT_CORO = ();
2390		4022
2391	warn "removing commands";	4023	trace "perl_reload: removing commands";
2392	%COMMAND = ();	4024	%COMMAND = ();
2393		4025
2394	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2395	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2396		4029
2397	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2400		4033
2401	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2402	eval {	4035	eval {
2403	$cb->($pkg);	4036	$cb->($pkg);
2404	1	4037	1
2405	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
2406	}	4043	}
2407		4044
2408	warn "... nuking $pkg";
2409	Symbol::delete_package $pkg;
2410	}
2411
2412	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2413	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		4048
2416	warn "... unloading $k";	4049	trace "... unloading $k";
2417	delete $INC{$k};	4050	delete $INC{$k};
2418		4051
2419	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2421		4054
2422	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2423	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2424	}	4060	}
2425		4061
2426	Symbol::delete_package $k;
2427	}
2428
2429	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		4065
2433	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
		4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		4069
2436	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2437	# and global variables created in xs	4071	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2439		4073
2440	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2441		4075
2442	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2443	require cf;	4077	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2445		4079
2446	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2447	cf::cfg_load;	4081	cf::reload_config;
2448		4082
2449	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2450	cf::load_extensions;	4084	cf::load_extensions;
2451		4085
		4086	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2453	_global_reattach;	4088	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2455	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
		4091	trace "perl_reload: reattaching attachments to players";
		4092	reattach $_ for values %PLAYER;
		4093	}
2456		4094
2457	warn "loading reloadable resources";	4095	cf::_post_init 1;
2458	init_resources;
2459		4096
2460	warn "leaving sync_job";	4097	trace "perl_reload: leaving sync_job";
2461		4098
2462	1	4099	1
2463	} or do {	4100	} or do {
2464	warn $@;	4101	error $@;
2465	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
2466	exit 1;	4103	};
		4104
		4105	--$RELOAD;
		4106	}
		4107
		4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
		4110	};
		4111
		4112	our $RELOAD_WATCHER; # used only during reload
		4113
		4114	sub reload_perl() {
		4115	# doing reload synchronously and two reloads happen back-to-back,
		4116	# coro crashes during coro_state_free->destroy here.
		4117
		4118	$RELOAD_WATCHER ||= cf::async {
		4119	Coro::AIO::aio_wait cache_extensions;
		4120
		4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4122	do_reload_perl;
		4123	undef $RELOAD_WATCHER;
		4124	};
2467	};	4125	};
2468		4126	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4127
2474	register_command "reload" => sub {	4128	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2476		4130
2477	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
2479		4133	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4134	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4135	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4136	};
2492	}	4137	}
2493	};	4138	};
2494		4139
2495	unshift @INC, $LIBDIR;	4140	#############################################################################
2496		4141
2497	my $bug_warning = 0;	4142	my $bug_warning = 0;
2498		4143
2499	$TICK_WATCHER = Event->timer (	4144	sub wait_for_tick() {
2500	reentrant => 0,	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2501	parked => 1,	4146
2502	prio => 0,	4147	$WAIT_FOR_TICK->wait;
2503	at => $NEXT_TICK || $TICK,	4148	}
2504	data => WF_AUTOCANCEL,	4149
2505	cb => sub {	4150	sub wait_for_tick_begin() {
		4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4152
		4153	my $signal = new Coro::Signal;
		4154	push @WAIT_FOR_TICK_BEGIN, $signal;
		4155	$signal->wait;
		4156	}
		4157
		4158	sub tick {
2506	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2509	return;	4162	return;
2510	}	4163	}
2511		4164
2512	$NOW = Event::time;	4165	cf::one_tick; # one server iteration
2513		4166
2514	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4168
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	4171	Coro::async_pool {
		4172	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	4173	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
2523	};
2524	}	4175	};
		4176	}
2525		4177
		4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4179	$sig->send;
		4180	}
2526	$WAIT_FOR_TICK->broadcast;	4181	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4182
2529	# my $AFTER = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2530	# warn $AFTER - $NOW;#d#	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2531		4185
2532	# if we are delayed by four ticks or more, skip them all	4186	if (0) {
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4187	if ($NEXT_TICK) {
2534		4188	my $jitter = $TICK_START - $NEXT_TICK;
2535	$TICK_WATCHER->at ($NEXT_TICK);	4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2536	$TICK_WATCHER->start;	4190	debug "jitter $JITTER\n";#d#
		4191	}
2537	},	4192	}
2538	);	4193	}
2539		4194
2540	{	4195	{
2541	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
2542	$BDB_POLL_WATCHER = Event->io (	4197
2543	reentrant => 0,
2544	fd => BDB::poll_fileno,
2545	poll => 'r',
2546	prio => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,
2549	);
2550	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
2551		4199	BDB::max_poll_reqs $TICK * 0.1;
2552	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
2553	my $status;
2554	my $current = $Coro::current;
2555	(
2556	sub {
2557	$status = $!;
2558	$current->ready; undef $current;
2559	},
2560	sub {
2561	Coro::schedule while defined $current;
2562	$! = $status;
2563	},
2564	)
2565	};
2566		4201
2567	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
2568	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2569		4209
2570	cf::sync_job {	4210	cf::sync_job {
2571	eval {	4211	eval {
2572	BDB::db_env_open	4212	BDB::db_env_open
2573	$DB_ENV,	4213	$DB_ENV,
2574	$BDB_ENV_DIR,	4214	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	4217	0666;
2578		4218
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	4220	};
2584		4221
2585	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	4223	};
2587	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
2588	}	4235	}
2589		4236
2590	{	4237	{
		4238	# configure IO::AIO
		4239
2591	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
2592
2593	undef $Coro::AIO::WATCHER;
2594	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
2595	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
2596	reentrant => 0,
2597	data => WF_AUTOCANCEL,
2598	fd => IO::AIO::poll_fileno,
2599	poll => 'r',
2600	prio => 6,
2601	cb => \&IO::AIO::poll_cb,
2602	);
2603	}	4243	}
		4244
		4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
		4247
		4248	sub _log_backtrace {
		4249	my ($msg, @addr) = @_;
		4250
		4251	$msg =~ s/\n$//;
		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4256	# limit the # of concurrent backtraces
		4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
		4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
		4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
		4264	my @bt = fork_call {
		4265	@addr = map { sprintf "%x", $_ } @addr;
		4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4268	or die "addr2line: $!";
		4269
		4270	my @funcs;
		4271	my @res = <$fh>;
		4272	chomp for @res;
		4273	while (@res) {
		4274	my ($func, $line) = splice @res, 0, 2, ();
		4275	push @funcs, "[$func] $line";
		4276	}
		4277
		4278	@funcs
		4279	};
		4280
		4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4283	LOG llevInfo, "[ABT] $_\n" for @bt;
		4284	--$_log_backtrace;
		4285	};
		4286	} else {
		4287	LOG llevInfo, "[ABT] $msg\n";
		4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4289	}
		4290	}
		4291
		4292	# load additional modules
		4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
2604		4295
2605	END { cf::emergency_save }	4296	END { cf::emergency_save }
2606		4297
2607	1	4298	1
2608		4299

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