ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 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 3.4 ();	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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	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
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
88	#############################################################################	183	#############################################################################
89		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
90	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
91		197
92	=over 4	198	=over 4
93		199
94	=item $cf::UPTIME	200	=item $cf::UPTIME
95		201
96	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
97		218
98	=item $cf::RUNTIME	219	=item $cf::RUNTIME
99		220
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	222	every server tick.
102		223
103	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		227
105	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
107		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
108	=item $cf::NOW	239	=item $cf::LOAD
109		240
110	The time of the last (current) server tick.	241	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		242
116	=item %cf::CFG	243	=item %cf::CFG
117		244
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	246	from wherever your confdir points to.
120		247
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		249
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
127		282
128	=back	283	=back
129		284
130	=cut	285	=cut
131		286
132	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	294	my $msg = join "", @_;
135	utf8::encode $msg;
136		295
137	$msg .= "\n"	296	$msg .= "\n"
138	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
139		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
140	LOG llevError, $msg;	301	LOG llevWarn, $msg;
141	};	302	};
142	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
143		317
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		325
151	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	327	# within the Safe compartment.
153	for my $pkg (qw(	328	for my $pkg (qw(
154	cf::global cf::attachable	329	cf::global cf::attachable
155	cf::object cf::object::player	330	cf::object cf::object::player
156	cf::client cf::player	331	cf::client cf::player
157	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
158	cf::map cf::party cf::region	334	cf::party cf::region
159	)) {	335	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	337	}
163		338
164	$Event::DIED = sub {	339	$EV::DIED = sub {
165	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
166	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
167		349
168	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
169		351
170	=over 4	352	=over 4
171		353
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	373	$d
192	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
193	}	375	}
194		376
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
196		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
197	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
198		430
199	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
200		432
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
209		434
210	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
211		436
212	=cut	437	=cut
213		438
214	sub to_json($) {	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	440
216	JSON::Syck::Dump $_[0]	441	sub encode_json($) { $json_coder->encode ($_[0]) }
		442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
217	}	504	}
218		505
219	=item cf::lock_wait $string	506	=item cf::lock_wait $string
220		507
221	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
222		509
223	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
224		511
225	Wait until the given lock is available and then acquires it and returns	512	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	513	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
228	returned.	515	returned.
229		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
230	Lock names should begin with a unique identifier (for example, cf::map::find	520	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
232		522
233	=cut	523	=item $locked = cf::lock_active $string
234		524
235	our %LOCK;	525	Return true if the lock is currently active, i.e. somebody has locked it.
		526
		527	=cut
		528
		529	our $LOCKS = new Coro::SemaphoreSet;
236		530
237	sub lock_wait($) {	531	sub lock_wait($) {
238	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	533	}
246		534
247	sub lock_acquire($) {	535	sub lock_acquire($) {
248	my ($key) = @_;	536	$LOCKS->guard ($_[0])
		537	}
249		538
250	# wait, to be sure we are not locked	539	sub lock_active($) {
251	lock_wait $key;	540	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	541	}
260		542
261	sub freeze_mainloop {	543	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
263		545
264	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	547	}
266	$WRITE_RUNTIME_WATCHER->start;	548
		549	=item cf::periodic $interval, $cb
		550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
267	};	616	}
268	$WRITE_RUNTIME_WATCHER->stop;	617	};
269	$TICK_WATCHER->stop;	618
270	$guard	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
		622	my ($time, $pri, $name) = @_;
		623
		624	$time = clamp $time, 0.01, $TICK * .6;
		625
		626	my $sig = new Coro::Signal;
		627
		628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		630	$SLOT_QUEUE->ready;
		631	$sig->wait;
271	}	632	}
272		633
273	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
274		635
275	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		641
281	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
282		643
283	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
284		645
285	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
288		650
289	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
292	fast or be very important.	654	fast or be very important.
…		…
294	=cut	656	=cut
295		657
296	sub sync_job(&) {	658	sub sync_job(&) {
297	my ($job) = @_;	659	my ($job) = @_;
298		660
299	if ($Coro::current == $Coro::main) {	661	if (in_main) {
		662	my $time = AE::time;
		663
300	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
302		666
303	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	668
305	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
306		670
307	my $busy = 1;	671	my $busy = 1;
308	my @res;	672	my @res;
309		673
310	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	676	@res = eval { $job->() };
312	warn $@ if $@;	677	error $@ if $@;
313	undef $busy;	678	undef $busy;
314	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
315		680
316	while ($busy) {	681	while ($busy) {
317	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
318	}	686	}
		687	}
		688
		689	my $time = AE::time - $time;
		690
		691	$TICK_START += $time; # do not account sync jobs to server load
319		692
320	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
321	} else {	694	} else {
322	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
323		696
…		…
343	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
344		717
345	$coro	718	$coro
346	}	719	}
347		720
348	sub write_runtime {	721	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		722
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	723	Executes the given code block with the given arguments in a seperate
352	or return;	724	process, returning the results. Everything must be serialisable with
		725	Coro::Storable. May, of course, block. Note that the executed sub may
		726	never block itself or use any form of event handling.
353		727
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	728	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		729
358	aio_fsync $fh	730	sub post_fork {
359	and return;	731	reset_signals;
		732	}
360		733
361	close $fh	734	sub fork_call(&@) {
362	or return;	735	my ($cb, @args) = @_;
363		736
364	aio_rename "$runtime~", $runtime	737	# we seemingly have to make a local copy of the whole thing,
365	and return;	738	# otherwise perl prematurely frees the stuff :/
		739	# TODO: investigate and fix (likely this will be rather laborious)
366		740
		741	my @res = Coro::Util::fork_eval {
		742	cf::post_fork;
		743	&$cb
		744	} @args;
		745
		746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
367	1	750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
		785	}
		786
		787	=item $value = cf::db_get $family => $key
		788
		789	Returns a single value from the environment database.
		790
		791	=item cf::db_put $family => $key => $value
		792
		793	Stores the given C<$value> in the family. It can currently store binary
		794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		795
		796	=item $db = cf::db_table "name"
		797
		798	Create and/or open a new database table. The string must not be "db" and must be unique
		799	within each server.
		800
		801	=cut
		802
		803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
		807	my ($name) = @_;
		808	my $db = BDB::db_create $DB_ENV;
		809
		810	eval {
		811	$db->set_flags (BDB::CHKSUM);
		812
		813	utf8::encode $name;
		814	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		815	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		816	cf::cleanup "db_open(db): $!" if $!;
		817	};
		818	cf::cleanup "db_open(db): $@" if $@;
		819
		820	$db
		821	}
		822
		823	our $DB;
		824
		825	sub db_init {
		826	$DB ||= db_table "db";
		827	}
		828
		829	sub db_get($$) {
		830	my $key = "$_[0]/$_[1]";
		831
		832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
		835	BDB::db_get $DB, undef, $key, my $data;
		836
		837	$! ? ()
		838	: $data
		839	}
		840
		841	sub db_put($$$) {
		842	BDB::dbreq_pri 4;
		843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		844	}
		845
		846	=item cf::cache $id => [$paths...], $processversion => $process
		847
		848	Generic caching function that returns the value of the resource $id,
		849	caching and regenerating as required.
		850
		851	This function can block.
		852
		853	=cut
		854
		855	sub cache {
		856	my ($id, $src, $processversion, $process) = @_;
		857
		858	my $meta =
		859	join "\x00",
		860	$processversion,
		861	map {
		862	aio_stat $_
		863	and Carp::croak "$_: $!";
		864
		865	($_, (stat _)[7,9])
		866	} @$src;
		867
		868	my $dbmeta = db_get cache => "$id/meta";
		869	if ($dbmeta ne $meta) {
		870	# changed, we may need to process
		871
		872	my @data;
		873	my $md5;
		874
		875	for (0 .. $#$src) {
		876	$data[$_] = load_file $src->[$_];
		877	}
		878
		879	# if processing is expensive, check
		880	# checksum first
		881	if (1) {
		882	$md5 =
		883	join "\x00",
		884	$processversion,
		885	map {
		886	cf::cede_to_tick;
		887	($src->[$_], Digest::MD5::md5_hex $data[$_])
		888	} 0.. $#$src;
		889
		890
		891	my $dbmd5 = db_get cache => "$id/md5";
		892	if ($dbmd5 eq $md5) {
		893	db_put cache => "$id/meta", $meta;
		894
		895	return db_get cache => "$id/data";
		896	}
		897	}
		898
		899	my $t1 = Time::HiRes::time;
		900	my $data = $process->(\@data);
		901	my $t2 = Time::HiRes::time;
		902
		903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		904
		905	db_put cache => "$id/data", $data;
		906	db_put cache => "$id/md5" , $md5;
		907	db_put cache => "$id/meta", $meta;
		908
		909	return $data;
		910	}
		911
		912	db_get cache => "$id/data"
		913	}
		914
		915	=item cf::datalog type => key => value, ...
		916
		917	Log a datalog packet of the given type with the given key-value pairs.
		918
		919	=cut
		920
		921	sub datalog($@) {
		922	my ($type, %kv) = @_;
		923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	924	}
369		925
370	=back	926	=back
371		927
372	=cut	928	=cut
373		929
374	#############################################################################	930	#############################################################################
375		931
376	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
377		933
378	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
381		937
382	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	940	Deliantra).
385		941
386	=over 4	942	=over 4
387		943
388	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
389		945
…		…
433	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
434		990
435	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
437		993
438	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
440		996
441	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
442		998
443	=over 4	999	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1108	$registry = $CB_TYPE[$object_type] ||= [];
553		1109
554	} elsif ($type eq "subtype") {	1110	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1111	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1112	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1113	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1114
559	} elsif ($type eq "package") {	1115	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1116	my $pkg = shift @arg;
561		1117
562	while (my ($name, $id) = each %cb_id) {	1118	while (my ($name, $id) = each %cb_id) {
…		…
567		1123
568	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1126
571	} elsif (ref $type) {	1127	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
573		1129
574	} else {	1130	} else {
575	shift @arg;	1131	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
577	}	1133	}
578	}	1134	}
579	}	1135	}
580		1136
581	sub _object_attach {	1137	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
592	}	1148	}
593		1149
594	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
595	} else {	1151	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1153	}
598		1154
599	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
600	}	1156	}
601		1157
…		…
603	if (ref $_[0]) {	1159	if (ref $_[0]) {
604	_object_attach @_;	1160	_object_attach @_;
605	} else {	1161	} else {
606	_attach shift->_attach_registry, @_;	1162	_attach shift->_attach_registry, @_;
607	}	1163	}
		1164	_recalc_want;
608	};	1165	};
609		1166
610	# all those should be optimised	1167	# all those should be optimised
611	sub cf::attachable::detach {	1168	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1169	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1172	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1173	reattach ($obj);
617	} else {	1174	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1175	Carp::croak "cannot, currently, detach class attachments";
619	}	1176	}
		1177	_recalc_want;
620	};	1178	};
621		1179
622	sub cf::attachable::attached {	1180	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1181	my ($obj, $name) = @_;
624		1182
…		…
639	";	1197	";
640	die if $@;	1198	die if $@;
641	}	1199	}
642		1200
643	our $override;	1201	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1202	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1203
646	sub override {	1204	sub override {
647	$override = 1;	1205	$override = 1;
648	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
649	}	1207	}
650		1208
651	sub do_invoke {	1209	sub do_invoke {
652	my $event = shift;	1210	my $event = shift;
653	my $callbacks = shift;	1211	my $callbacks = shift;
654		1212
655	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
656		1214
657	local $override;	1215	local $override;
658		1216
659	for (@$callbacks) {	1217	for (@$callbacks) {
660	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
661		1219
662	if ($@) {	1220	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1222	override;
666	}	1223	}
667		1224
668	return 1 if $override;	1225	return 1 if $override;
669	}	1226	}
670		1227
671	0	1228	0
672	}	1229	}
673		1230
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1232
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1234
678	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
679		1236
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1237	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1238	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1240
684	=back	1241	=back
685		1242
686	=cut	1243	=cut
687		1244
688	#############################################################################	1245	#############################################################################
689	# object support	1246	# object support
		1247
		1248	sub _object_equal($$);
		1249	sub _object_equal($$) {
		1250	my ($a, $b) = @_;
		1251
		1252	return 0 unless (ref $a) eq (ref $b);
		1253
		1254	if ("HASH" eq ref $a) {
		1255	my @ka = keys %$a;
		1256	my @kb = keys %$b;
		1257
		1258	return 0 if @ka != @kb;
		1259
		1260	for (0 .. $#ka) {
		1261	return 0 unless $ka[$_] eq $kb[$_];
		1262	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1263	}
		1264
		1265	} elsif ("ARRAY" eq ref $a) {
		1266
		1267	return 0 if @$a != @$b;
		1268
		1269	for (0 .. $#$a) {
		1270	return 0 unless _object_equal $a->[$_], $b->[$_];
		1271	}
		1272
		1273	} elsif ($a ne $b) {
		1274	return 0;
		1275	}
		1276
		1277	1
		1278	}
		1279
		1280	our $SLOW_MERGES;#d#
		1281	sub _can_merge {
		1282	my ($ob1, $ob2) = @_;
		1283
		1284	++$SLOW_MERGES;#d#
		1285
		1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
		1288	}
690		1289
691	sub reattach {	1290	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1292	my ($obj) = @_;
694		1293
		1294	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1296
697	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
698		1298
699	@$registry = ();	1299	@$registry = ();
700		1300
…		…
705	for (@$attach) {	1305	for (@$attach) {
706	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
708	}	1308	}
709	} else {	1309	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1311	}
712	}	1312	}
713	}	1313	}
714		1314
715	cf::attachable->attach (	1315	cf::attachable->attach (
716	prio => -1000000,	1316	prio => -1000000,
717	on_instantiate => sub {	1317	on_instantiate => sub {
718	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
719		1319
720	$data = from_json $data;	1320	$data = decode_json $data;
721		1321
722	for (@$data) {	1322	for (@$data) {
723	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
724		1324
725	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1341	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
743		1343
744	sync_job {	1344	sync_job {
745	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
748		1350
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1354	if ($cf::USE_FSYNC) {
		1355	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;
752	aio_fsync $fh;	1356	aio_fsync $fh;
		1357	}
753	close $fh;	1358	aio_close $fh;
754		1359
755	if (@$objs) {	1360	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
		1365	if ($cf::USE_FSYNC) {
		1366	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;
760	aio_fsync $fh;	1367	aio_fsync $fh;
		1368	}
761	close $fh;	1369	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
763	}	1371	}
764	} else {	1372	} else {
765	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
766	}	1374	}
767		1375
768	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1380	} else {
770	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
771	}	1382	}
772	} else {	1383	} else {
773	aio_unlink $filename;	1384	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
775	}	1386	}
776	}	1387	};
777	}	1388	}
778		1389
779	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
781		1392
…		…
793	or return;	1404	or return;
794		1405
795	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
797	or return;	1408	or return;
		1409
798	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
799	}	1412	}
800		1413
		1414	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
803	return ($data, $av);	1419	($data, $av)
804	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
805		1427
806	#############################################################################	1428	#############################################################################
807	# command handling &c	1429	# command handling &c
808		1430
809	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1445	}
824		1446
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1448
827	Register a callbackf ro execution when the client sends an extcmd packet.	1449	Register a callback for execution when the client sends an (synchronous)
		1450	extcmd packet. Ext commands will be processed in the order they are
		1451	received by the server, like other user commands. The first argument is
		1452	the logged-in player. Ext commands can only be processed after a player
		1453	has logged in successfully.
828		1454
829	If the callback returns something, it is sent back as if reply was being	1455	If the callback returns something, it is sent back as if reply was being
830	called.	1456	called.
831		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
832	=cut	1469	=cut
833		1470
834	sub register_extcmd {	1471	sub register_extcmd {
835	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
836		1473
837	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
838	}	1475	}
839		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
840	cf::player->attach (	1485	cf::player->attach (
841	on_command => sub {	1486	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
843		1488
844	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
845	or return;	1490	or return;
846		1491
…		…
851	cf::override;	1496	cf::override;
852	},	1497	},
853	on_extcmd => sub {	1498	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
855		1500
856	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1502
858	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
864	} else {	1515	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1517	}
867		1518
868	cf::override;	1519	cf::override;
869	},	1520	},
870	);	1521	);
871		1522
		1523	# "readahead" all extensions
872	sub load_extension {	1524	sub cache_extensions {
873	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
874		1526
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1530	}
900	die $@;
901	}	1531	};
902		1532
903	push @EXTS, $pkg;	1533	$grp
904	}	1534	}
905		1535
906	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
907	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1543	next unless -r $path;
909	eval {	1544
910	load_extension $ext;	1545	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1546	my $base = $1;
		1547	my $pkg = $1;
		1548	$pkg =~ s/[^[:word:]]/_/g;
		1549	$pkg = "ext::$pkg";
		1550
		1551	open my $fh, "<:utf8", $path
		1552	or die "$path: $!";
		1553
		1554	my $source = do { local $/; <$fh> };
		1555
		1556	my %ext = (
		1557	path => $path,
		1558	base => $base,
		1559	pkg => $pkg,
		1560	);
		1561
		1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1564
		1565	$ext{source} =
		1566	"package $pkg; use common::sense;\n"
		1567	. "#line 1 \"$path\"\n{\n"
		1568	. $source
		1569	. "\n};\n1";
		1570
		1571	$todo{$base} = \%ext;
		1572	}
		1573
		1574	my $pass = 0;
		1575	my %done;
		1576	while (%todo) {
		1577	my $progress;
		1578
		1579	++$pass;
		1580
		1581	ext:
		1582	while (my ($k, $v) = each %todo) {
		1583	for (split /,\s*/, $v->{meta}{depends}) {
		1584	next ext
		1585	unless exists $done{$_};
		1586	}
		1587
		1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1589
		1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
		1593	error "$v->{path}: $@\n";
		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1596	if exists $v->{meta}{mandatory};
		1597
		1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
		1607	}
911	1	1608	}
912	} or warn "$ext not loaded: $@";	1609
		1610	unless ($progress) {
		1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
		1620	}
913	}	1621	};
914	}	1622	}
915		1623
916	#############################################################################	1624	#############################################################################
917		1625
		1626	=back
		1627
918	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
919		1629
920	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
921		1631
922	=cut	1632	=cut
923		1633
924	package cf::player;	1634	package cf::player;
925		1635
…		…
927		1637
928	=head3 cf::player	1638	=head3 cf::player
929		1639
930	=over 4	1640	=over 4
931		1641
		1642	=item cf::player::num_playing
		1643
		1644	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1645
		1646	=cut
		1647
		1648	sub num_playing {
		1649	scalar grep
		1650	$_->ob->map
		1651	&& !$_->hidden
		1652	&& !$_->ob->flag (cf::FLAG_WIZ),
		1653	cf::player::list
		1654	}
		1655
932	=item cf::player::find $login	1656	=item cf::player::find $login
933		1657
934	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
935		1659
936	=cut	1660	=cut
937		1661
938	sub playerdir($) {	1662	sub playerdir($) {
939	cf::localdir	1663	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1664	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1665	}
945		1666
946	sub path($) {	1667	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1668	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1669
949	(playerdir $login) . "/$login.pl"	1670	(playerdir $login) . "/playerdata"
950	}	1671	}
951		1672
952	sub find_active($) {	1673	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1674	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1675	and $cf::PLAYER{$_[0]}->active
…		…
957		1678
958	sub exists($) {	1679	sub exists($) {
959	my ($login) = @_;	1680	my ($login) = @_;
960		1681
961	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1683	or !aio_stat path $login
963	}	1684	}
964		1685
965	sub find($) {	1686	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1688	my $login = $_[0];
968		1689
969	my $guard = cf::lock_acquire "user_find:$login";	1690	my $guard = cf::lock_acquire "user_find:$login";
970		1691
971	$cf::PLAYER{$_[0]} || do {	1692	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1693	# rename old playerfiles to new ones
		1694	#TODO: remove when no longer required
		1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1698	aio_unlink +(playerdir $login) . "/$login.pl";
		1699
		1700	my $f = new_from_file cf::object::thawer path $login
973	or return;	1701	or return;
		1702
		1703	my $pl = cf::player::load_pl $f
		1704	or return;
		1705
		1706	local $cf::PLAYER_LOADING{$login} = $pl;
		1707	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
975	}	1709	}
976	}	1710	}
977	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
978		1725
979	sub save($) {	1726	sub save($) {
980	my ($pl) = @_;	1727	my ($pl) = @_;
981		1728
982	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
988		1735
989	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
991		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1743
992	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
993	Coro::cede;	1745	cf::cede_to_tick;
994	}	1746	}
995		1747
996	sub new($) {	1748	sub new($) {
997	my ($login) = @_;	1749	my ($login) = @_;
998		1750
…		…
1004	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1005		1757
1006	$self	1758	$self
1007	}	1759	}
1008		1760
		1761	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1762
		1763	=cut
		1764
		1765	sub send_msg {
		1766	my $ns = shift->ns
		1767	or return;
		1768	$ns->send_msg (@_);
		1769	}
		1770
1009	=item $pl->quit_character	1771	=item $pl->quit_character
1010		1772
1011	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1013		1775
1014	=cut	1776	=cut
1015		1777
1016	sub quit_character {	1778	sub quit_character {
1017	my ($pl) = @_;	1779	my ($pl) = @_;
1018		1780
		1781	my $name = $pl->ob->name;
		1782
1019	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1785
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1025	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1026		1794
1027	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1798	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1799	$pl->destroy;
		1800
		1801	my $prefix = qr<^~\Q$name\E/>;
		1802
		1803	# nuke player maps
		1804	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1805
1032	IO::AIO::aio_rmtree $temp;	1806	IO::AIO::aio_rmtree $temp;
		1807	}
		1808
		1809	=item $pl->kick
		1810
		1811	Kicks a player out of the game. This destroys the connection.
		1812
		1813	=cut
		1814
		1815	sub kick {
		1816	my ($pl, $kicker) = @_;
		1817
		1818	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1819	$pl->killer ("kicked");
		1820	$pl->ns->destroy;
1033	}	1821	}
1034		1822
1035	=item cf::player::list_logins	1823	=item cf::player::list_logins
1036		1824
1037	Returns am arrayref of all valid playernames in the system, can take a	1825	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1826	while and may block, so not sync_job-capable, ever.
1039		1827
1040	=cut	1828	=cut
1041		1829
1042	sub list_logins {	1830	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1831	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1832	or return [];
1045		1833
1046	my @logins;	1834	my @logins;
1047		1835
1048	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
		1837	my $path = path $login;
		1838
		1839	# a .pst is a dead give-away for a valid player
		1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1052		1846
1053	utf8::decode $login;	1847	utf8::decode $login;
1054	push @logins, $login;	1848	push @logins, $login;
1055	}	1849	}
1056		1850
1057	\@logins	1851	\@logins
1058	}	1852	}
1059		1853
1060	=item $player->maps	1854	=item $player->maps
1061		1855
		1856	=item cf::player::maps $login
		1857
1062	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1063	player. May block.	1859	player. May block.
1064		1860
1065	=cut	1861	=cut
1066		1862
1067	sub maps($) {	1863	sub maps($) {
1068	my ($pl) = @_;	1864	my ($pl) = @_;
		1865
		1866	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1867
1070	my $files = aio_readdir playerdir $pl	1868	my $files = aio_readdir playerdir $pl
1071	or return;	1869	or return;
1072		1870
1073	my @paths;	1871	my @paths;
…		…
1075	for (@$files) {	1873	for (@$files) {
1076	utf8::decode $_;	1874	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1875	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1876	next unless /^$PATH_SEP/o;
1079		1877
1080	s/\.map$//;	1878	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1879	}
1083		1880
1084	\@paths	1881	\@paths
1085	}	1882	}
1086		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1088		1889
1089	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1090		1891
1091	=cut	1892	=cut
1092		1893
1093	sub ext_reply($$$%) {	1894	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1095		1896
1096	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1898	}
1100		1899
1101	package cf;	1900	=item $player->ext_msg ($type, @msg)
		1901
		1902	Sends an ext event to the client.
		1903
		1904	=cut
		1905
		1906	sub ext_msg($$@) {
		1907	my ($self, $type, @msg) = @_;
		1908
		1909	$self->ns->ext_msg ($type, @msg);
		1910	}
		1911
		1912	=head3 cf::region
		1913
		1914	=over 4
		1915
		1916	=cut
		1917
		1918	package cf::region;
		1919
		1920	=item cf::region::find_by_path $path
		1921
		1922	Tries to decuce the likely region for a map knowing only its path.
		1923
		1924	=cut
		1925
		1926	sub find_by_path($) {
		1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
		1931	my ($match, $specificity);
		1932
		1933	for my $region (list) {
		1934	if ($region->{match} && $path =~ $region->{match}) {
		1935	($match, $specificity) = ($region, $region->specificity)
		1936	if $region->specificity > $specificity;
		1937	}
		1938	}
		1939
		1940	$match
		1941	}
1102		1942
1103	=back	1943	=back
1104
1105		1944
1106	=head3 cf::map	1945	=head3 cf::map
1107		1946
1108	=over 4	1947	=over 4
1109		1948
…		…
1121	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1123		1962
1124	sub generate_random_map {	1963	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1126	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1127	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)
1140	}	1969	}
		1970
		1971	=item cf::map->register ($regex, $prio)
		1972
		1973	Register a handler for the map path matching the given regex at the
		1974	givne priority (higher is better, built-in handlers have priority 0, the
		1975	default).
		1976
		1977	=cut
1141		1978
1142	sub register {	1979	sub register {
1143	my (undef, $regex) = @_;	1980	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1981	my $pkg = caller;
1145		1982
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1984
1149	$EXT_MAP{$pkg} = qr<$regex>;	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1986	}
1151		1987
1152	# also paths starting with '/'	1988	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1990
1155	sub thawer_merge {	1991	sub thawer_merge {
1156	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1157		1993
1158	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1159	local $self->{path};	1995	local $self->{path};
1160	local $self->{load_path};	1996	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1997
1164	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1165	}	1999	}
1166		2000
1167	sub normalise {	2001	sub normalise {
1168	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
		2003
		2004	$path = "$path"; # make sure it's a string
		2005
		2006	$path =~ s/\.map$//;
1169		2007
1170	# map plan:	2008	# map plan:
1171	#	2009	#
1172	# /! non-realised random map exit (special hack!)	2010	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	2011	# {... are special paths that are not being touched
…		…
1186	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	2025	$path = "$base/$path";
1188	}	2026	}
1189		2027
1190	for ($path) {	2028	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1194	}	2031	}
1195		2032
1196	$path	2033	$path
…		…
1201		2038
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	2039	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		2040
1204	$path = normalise $path, $base;	2041	$path = normalise $path, $base;
1205		2042
1206	for my $pkg (keys %EXT_MAP) {	2043	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	2044	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	2045	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	2046	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1211	return $self;	2048	return $self;
1212	}	2049	}
1213	}	2050	}
1214		2051
1215	Carp::carp "unable to resolve path '$path'.";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	2053	()
1217	}	2054	}
1218		2055
		2056	# may re-bless or do other evil things
1219	sub init {	2057	sub init {
1220	my ($self) = @_;	2058	my ($self) = @_;
1221		2059
1222	$self	2060	$self
1223	}	2061	}
…		…
1235		2073
1236	# the original (read-only) location	2074	# the original (read-only) location
1237	sub load_path {	2075	sub load_path {
1238	my ($self) = @_;	2076	my ($self) = @_;
1239		2077
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2078	"$MAPDIR/$self->{path}.map"
1241	}	2079	}
1242		2080
1243	# the temporary/swap location	2081	# the temporary/swap location
1244	sub save_path {	2082	sub save_path {
1245	my ($self) = @_;	2083	my ($self) = @_;
1246		2084
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2086	"$TMPDIR/$path.map"
1249	}	2087	}
1250		2088
1251	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1252	sub uniq_path {	2090	sub uniq_path {
1253	my ($self) = @_;	2091	my ($self) = @_;
1254		2092
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2094	"$UNIQUEDIR/$path"
1257	}	2095	}
1258		2096
1259	# and all this just because we cannot iterate over	2097	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	2098	my ($self) = @_;
1263		2099
1264	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1266	}	2103	}
1267		2104
1268	sub unlink_save {	2105	sub unlink_save {
1269	my ($self) = @_;	2106	my ($self) = @_;
1270		2107
…		…
1275		2112
1276	sub load_header_from($) {	2113	sub load_header_from($) {
1277	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1278		2115
1279	utf8::encode $path;	2116	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1281	or return;	2118	or return;
1282		2119
1283	$self->_load_header ($path)	2120	$self->_load_header ($f)
1284	or return;	2121	or return;
1285		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1286	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1287		2127
1288	1	2128	1
1289	}	2129	}
1290		2130
		2131	# used to laod the header of an original map
1291	sub load_orig {	2132	sub load_header_orig {
1292	my ($self) = @_;	2133	my ($self) = @_;
1293		2134
1294	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1295	}	2136	}
1296		2137
		2138	# used to laod the header of an instantiated map
1297	sub load_temp {	2139	sub load_header_temp {
1298	my ($self) = @_;	2140	my ($self) = @_;
1299		2141
1300	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
		2143	}
		2144
		2145	# called after loading the header from an instantiated map
		2146	sub prepare_temp {
		2147	my ($self) = @_;
		2148
		2149	$self->last_access ((delete $self->{last_access})
		2150	|| $cf::RUNTIME); #d#
		2151	# safety
		2152	$self->{instantiate_time} = $cf::RUNTIME
		2153	if $self->{instantiate_time} > $cf::RUNTIME;
		2154	}
		2155
		2156	# called after loading the header from an original map
		2157	sub prepare_orig {
		2158	my ($self) = @_;
		2159
		2160	$self->{load_original} = 1;
		2161	$self->{instantiate_time} = $cf::RUNTIME;
		2162	$self->last_access ($cf::RUNTIME);
		2163	$self->instantiate;
1301	}	2164	}
1302		2165
1303	sub load_header {	2166	sub load_header {
1304	my ($self) = @_;	2167	my ($self) = @_;
1305		2168
1306	if ($self->load_temp) {	2169	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2170	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2171	} else {
1313	$self->load_orig	2172	$self->load_header_orig
1314	or return;	2173	or return;
1315		2174	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2175	}
		2176
		2177	$self->{deny_reset} = 1
		2178	if $self->no_reset;
		2179
		2180	$self->default_region (cf::region::find_by_path $self->{path})
		2181	unless $self->default_region;
1321		2182
1322	1	2183	1
1323	}	2184	}
1324		2185
1325	sub find;	2186	sub find;
1326	sub find {	2187	sub find {
1327	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1328		2189
		2190	cf::cede_to_tick;
		2191
1329	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1330		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2196
1333	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1336	or return;	2199	or return;
1337		2200
1338	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1339		2202
1340	$map->load_header	2203	$map->load_header
1341	or return;	2204	or return;
1342		2205
1343	if ($map->should_reset) {	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2207	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1345	$map->reset;	2211	$map->reset;
1346	undef $guard;
1347	$map = find $path	2212	return find $path;
1348	or return;
1349	}	2213	}
1350		2214
1351	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1352	}	2216	}
1353	}	2217	}
		2218
		2219	sub pre_load { }
		2220	#sub post_load { } # XS
1354		2221
1355	sub load {	2222	sub load {
1356	my ($self) = @_;	2223	my ($self) = @_;
1357		2224
		2225	local $self->{deny_reset} = 1; # loading can take a long time
		2226
1358	my $path = $self->{path};	2227	my $path = $self->{path};
		2228
		2229	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1360		2231
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2232	return unless $self->valid;
		2233	return unless $self->state == cf::MAP_SWAPPED;
1362		2234
1363	$self->in_memory (cf::MAP_LOADING);
1364
1365	$self->alloc;	2235	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2236
		2237	$self->pre_load;
		2238	cf::cede_to_tick;
		2239
		2240	if (exists $self->{load_path}) {
		2241	my $f = new_from_file cf::object::thawer $self->{load_path};
		2242	$f->skip_block;
		2243	$self->_load_objects ($f)
1367	or return;	2244	or return;
1368		2245
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1370	if delete $self->{load_original};	2247	if delete $self->{load_original};
1371		2248
1372	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2250	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2253	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1377	}	2258	}
1378	}
1379		2259
1380	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
1381		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1382	# now do the right thing for maps	2269	# now do the right thing for maps
1383	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2272	unless $self->difficulty;
1393	Coro::cede;	2273	cf::cede_to_tick;
1394	$self->activate;	2274
		2275	unless ($self->{deny_activate}) {
		2276	$self->decay_objects;
		2277	$self->fix_auto_apply;
		2278	$self->update_buttons;
		2279	cf::cede_to_tick;
		2280	#$self->activate; # no longer activate maps automatically
		2281	}
		2282
		2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
		2285	}
		2286
		2287	$self->post_load;
		2288
1395	}	2289	1
1396
1397	$self->in_memory (cf::MAP_IN_MEMORY);
1398	}	2290	}
1399		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2295	sub customise_for {
1401	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1402		2297
1403	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2299	if $self->per_player;
1405		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1406	$self	2304	$self
1407	}
1408
1409	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {
1411	my ($map) = @_;
1412
1413	my @diag; # diagonal neighbours
1414
1415	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)
1417	or next;
1418	$neigh = find $neigh, $map
1419	or next;
1420	$neigh->load;
1421
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}
1425
1426	for (@diag) {
1427	my $neigh = find @$_
1428	or next;
1429	$neigh->load;
1430	}
1431	}	2305	}
1432		2306
1433	sub find_sync {	2307	sub find_sync {
1434	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1435		2309
1436	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
1437	}	2315	}
1438		2316
1439	sub do_load_sync {	2317	sub do_load_sync {
1440	my ($map) = @_;	2318	my ($map) = @_;
1441		2319
1442	cf::sync_job { $map->load };	2320	# it's a bug to call this from the main context
		2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2322	if $Coro::current == $Coro::main;
		2323
		2324	$map->load;
1443	}	2325	}
1444		2326
1445	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2328	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2329
1459	sub find_async {	2330	sub find_async {
1460	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1461		2332
1462	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1463		2334
1464	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
		2337	}
		2338
		2339	$MAP_PREFETCH{$path} |= $load;
		2340
		2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
		2344	while (%MAP_PREFETCH) {
		2345	while (my ($k, $v) = each %MAP_PREFETCH) {
		2346	if (my $map = find $k) {
		2347	$map->load if $v;
		2348	}
		2349
		2350	delete $MAP_PREFETCH{$k};
		2351	}
		2352	}
		2353	undef $MAP_PREFETCHER;
1466	}	2354	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2355	$MAP_PREFETCHER->prio (6);
1470		2356
1471	()	2357	()
1472	}	2358	}
1473		2359
		2360	# common code, used by both ->save and ->swapout
1474	sub save {	2361	sub _save {
1475	my ($self) = @_;	2362	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2363
1479	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1480		2365
1481	return unless $self->dirty;	2366	return unless $self->dirty;
1482		2367
…		…
1488	return if $self->{deny_save};	2373	return if $self->{deny_save};
1489		2374
1490	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1491		2376
1492	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1494	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1495		2383
1496	if ($uniq) {	2384	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2387	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2389	}
1502	}	2390	}
1503		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1504	sub swap_out {	2400	sub swap_out {
1505	my ($self) = @_;	2401	my ($self) = @_;
1506		2402
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1512	return if $self->players;	2407	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
1516	$self->clear;	2418	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2419	}
1519		2420
1520	sub reset_at {	2421	sub reset_at {
1521	my ($self) = @_;	2422	my ($self) = @_;
1522		2423
1523	# TODO: safety, remove and allow resettable per-player maps	2424	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2425	return 1e99 if $self->{deny_reset};
1526		2426
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2429
…		…
1540	my ($self) = @_;	2440	my ($self) = @_;
1541		2441
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2443
1544	return if $self->players;	2444	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2445
1547	warn "resetting map ", $self->path;#d#	2446	cf::trace "resetting map ", $self->path, "\n";
		2447
		2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
1548		2457
1549	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1550		2459
1551	$self->in_memory (cf::MAP_SWAPPED);	2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2462	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2463
1556	$self->unlink_save;	2464	$self->unlink_save;
1557	$self->destroy;	2465	$self->destroy;
1558	}	2466	}
1559		2467
1560	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1561		2469
1562	sub nuke {	2470	sub nuke {
1563	my ($self) = @_;	2471	my ($self) = @_;
1564		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1565	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1566		2477
1567	$self->unlink_save;	2478	$self->unlink_save;
1568		2479
1569	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2485
1575	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1576		2488
1577	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
		2490	}
		2491
		2492	=item $maps = cf::map::tmp_maps
		2493
		2494	Returns an arrayref with all map paths of currently instantiated and saved
		2495	maps. May block.
		2496
		2497	=cut
		2498
		2499	sub tmp_maps() {
		2500	[
		2501	map {
		2502	utf8::decode $_;
		2503	/\.map$/
		2504	? normalise $_
		2505	: ()
		2506	} @{ aio_readdir $TMPDIR or [] }
		2507	]
		2508	}
		2509
		2510	=item $maps = cf::map::random_maps
		2511
		2512	Returns an arrayref with all map paths of currently instantiated and saved
		2513	random maps. May block.
		2514
		2515	=cut
		2516
		2517	sub random_maps() {
		2518	[
		2519	map {
		2520	utf8::decode $_;
		2521	/\.map$/
		2522	? normalise "?random/$_"
		2523	: ()
		2524	} @{ aio_readdir $RANDOMDIR or [] }
		2525	]
1578	}	2526	}
1579		2527
1580	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1581		2529
1582	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2531	instantiated unique items. May block.
1584		2532
1585	=cut	2533	=cut
1586		2534
1587	sub unique_maps() {	2535	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2536	[
1589	or return;	2537	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2538	utf8::decode $_;
1595	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
		2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
		2544	]
		2545	}
1597		2546
		2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
1598	s/\.map$//;	2568	s/\.map$// or next;
1599	push @paths, $_;	2569	utf8::decode $_;
1600	}	2570	push @maps, "$dir/$_";
		2571	}
1601		2572
1602	\@paths	2573	push @dirs, map "$dir/$_", @$dirs;
1603	}	2574	}
1604		2575
1605	package cf;	2576	\@maps
		2577	}
1606		2578
1607	=back	2579	=back
1608		2580
1609	=head3 cf::object	2581	=head3 cf::object
1610		2582
…		…
1614		2586
1615	=over 4	2587	=over 4
1616		2588
1617	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1618		2590
1619	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
1620		2593
1621	=cut	2594	=cut
1622		2595
1623	sub inv_recursive_;	2596	sub inv_recursive_;
1624	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1627		2600
1628	sub inv_recursive {	2601	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1630	}	2603	}
1631		2604
		2605	=item $ref = $ob->ref
		2606
		2607	Creates and returns a persistent reference to an object that can be stored as a string.
		2608
		2609	=item $ob = cf::object::deref ($refstring)
		2610
		2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2612	even if the object actually exists. May block.
		2613
		2614	=cut
		2615
		2616	sub deref {
		2617	my ($ref) = @_;
		2618
		2619	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2620	my ($uuid, $name) = ($1, $2);
		2621	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2622	or return;
		2623	$pl->ob->uuid eq $uuid
		2624	or return;
		2625
		2626	$pl->ob
		2627	} else {
		2628	warn "$ref: cannot resolve object reference\n";
		2629	undef
		2630	}
		2631	}
		2632
1632	package cf;	2633	package cf;
1633		2634
1634	=back	2635	=back
1635		2636
1636	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1645		2646
1646	=cut	2647	=cut
		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
1647		2662
1648	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2664	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1653		2668
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2670
1656	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1658	} else {	2674	} else {
		2675	my $pl = $self->contr;
		2676
		2677	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2678	my $dialog = $pl->{npc_dialog};
		2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2680
		2681	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1661	}	2685	}
		2686	}
		2687
		2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2689
		2690	=cut
		2691
		2692	sub cf::object::send_msg {
		2693	my $pl = shift->contr
		2694	or return;
		2695	$pl->send_msg (@_);
1662	}	2696	}
1663		2697
1664	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1665		2699
1666	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1679		2713
1680	=item $player_object->enter_link	2714	=item $player_object->enter_link
1681		2715
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2717
1684	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
1686		2722
1687	Will never block.	2723	Will never block.
1688		2724
1689	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1690		2726
…		…
1698	=cut	2734	=cut
1699		2735
1700	sub link_map {	2736	sub link_map {
1701	unless ($LINK_MAP) {	2737	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2738	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2739	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2740	$LINK_MAP->load;
1705	}	2741	}
1706		2742
1707	$LINK_MAP	2743	$LINK_MAP
1708	}	2744	}
…		…
1710	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2747	my ($self) = @_;
1712		2748
1713	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1714		2750
		2751	++$self->{_link_recursion};
		2752
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2754
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2756	if $self->map && $self->map->{path} ne "{link}";
1719		2757
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2759	}
1722		2760
1723	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
		2763
		2764	return unless $self->contr->active;
1725		2765
1726	my $link_pos = delete $self->{_link_pos};	2766	my $link_pos = delete $self->{_link_pos};
1727		2767
1728	unless ($map) {	2768	unless ($map) {
1729	# restore original map position	2769	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1742		2782
1743	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1746		2786
1747	$map->load;	2787	$map->load;
1748	$map->load_diag;
1749		2788
1750	return unless $self->contr->active;	2789	return unless $self->contr->active;
		2790
		2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2792	if ($self->enter_map ($map, $x, $y)) {
		2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2796	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2797	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2798
1769	# try to abort aborted map switching on player login :)	2799	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2800
1787	=item $player_object->goto ($path, $x, $y)	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2802
		2803	Moves the player to the given map-path and coordinates by first freezing
		2804	her, loading and preparing them map, calling the provided $check callback
		2805	that has to return the map if sucecssful, and then unfreezes the player on
		2806	the new (success) or old (failed) map position. In either case, $done will
		2807	be called at the end of this process.
		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
1789	=cut	2812	=cut
		2813
		2814	our $GOTOGEN;
1790		2815
1791	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
		2824
		2825	# do generation counting so two concurrent goto's will be executed in-order
		2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2827
1794	$self->enter_link;	2828	$self->enter_link;
1795		2829
1796	(async {	2830	(async {
1797	my $map = cf::map::find $path;	2831	$Coro::current->{desc} = "player::goto $path $x $y";
		2832
		2833	# *tag paths override both path and x|y
		2834	if ($path =~ /^\*(.*)$/) {
		2835	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2836	my $ob = $obs[rand @obs];
		2837
		2838	# see if we actually can go there
		2839	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2840	$ob = $obs[rand @obs];
		2841	} else {
		2842	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2843	}
		2844	# else put us there anyways for now #d#
		2845
		2846	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2847	} else {
		2848	($path, $x, $y) = (undef, undef, undef);
		2849	}
		2850	}
		2851
		2852	my $map = eval {
		2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2854
		2855	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2856	$map = $map->customise_for ($self);
1799		2857	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2858	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	}
1804		2861
		2862	$map
		2863	};
		2864
		2865	if ($@) {
		2866	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2867	LOG llevError | logBacktrace, Carp::longmess $@;
		2868	}
		2869
		2870	if ($gen == $self->{_goto_generation}) {
		2871	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
		2873	}
		2874
		2875	$done->($self) if $done;
1806	})->prio (1);	2876	})->prio (1);
1807	}	2877	}
1808		2878
1809	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1810		2880
…		…
1812		2882
1813	sub parse_random_map_params {	2883	sub parse_random_map_params {
1814	my ($spec) = @_;	2884	my ($spec) = @_;
1815		2885
1816	my $rmp = { # defaults	2886	my $rmp = { # defaults
1817	xsize => -1,	2887	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2888	ysize => (cf::rndm 15, 40),
		2889	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2890	#layout => string,
1819	};	2891	};
1820		2892
1821	for (split /\n/, $spec) {	2893	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2894	my ($k, $v) = split /\s+/, $_, 2;
1823		2895
…		…
1835	# that depends on the exit object	2907	# that depends on the exit object
1836		2908
1837	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
1838		2910
1839	if ($exit->map) {	2911	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2912	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
1844	}	2918	}
1845		2919
1846	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
1847		2921
1848	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1849	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
1851		2925
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2928	undef $fh;
1855	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
1856		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
1857	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
1858	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
1859	}	2937	}
1860	}	2938	}
1861		2939
1862	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
…		…
1865	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
1866		2944
1867	$self->enter_link;	2945	$self->enter_link;
1868		2946
1869	(async {	2947	(async {
1870	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
1871	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
1872	prepare_random_map $exit	2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
1873	if $exit->slaying eq "/!";	2967	$map = $exit->slaying;
1874		2968
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2969	} elsif ($slaying eq '!up') {
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
1877		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
		2980	$self->goto ($map, $x, $y);
		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
1878	1;	2986	1
1879	}) {	2987	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
1881	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2992
1885	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
1886	$self->leave_link;	2994	$self->leave_link;
1887	}	2995	}
1888	})->prio (1);	2996	})->prio (1);
1889	}	2997	}
1890		2998
…		…
1901		3009
1902	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
1904		3012
1905	utf8::encode $text;	3013	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	3015	}
1908		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
		3040	}
		3041
		3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3043
		3044	Send a drawinfo or msg packet to the client, formatting the msg for the
		3045	client if neccessary. C<$type> should be a string identifying the type of
		3046	the message, with C<log> being the default. If C<$color> is negative, suppress
		3047	the message unless the client supports the msg packet.
		3048
		3049	=cut
		3050
		3051	# non-persistent channels (usually the info channel)
		3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
		3059	"c/identify" => {
		3060	id => "infobox",
		3061	title => "Identify",
		3062	reply => undef,
		3063	tooltip => "Items recently identified",
		3064	},
		3065	"c/examine" => {
		3066	id => "infobox",
		3067	title => "Examine",
		3068	reply => undef,
		3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
		3076	},
		3077	"c/book" => {
		3078	id => "infobox",
		3079	title => "Book",
		3080	reply => undef,
		3081	tooltip => "The contents of a note or book",
		3082	},
		3083	"c/lookat" => {
		3084	id => "infobox",
		3085	title => "Look",
		3086	reply => undef,
		3087	tooltip => "What you saw there",
		3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
		3163	);
		3164
		3165	sub cf::client::send_msg {
		3166	my ($self, $channel, $msg, $color, @extra) = @_;
		3167
		3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
		3170
		3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
		3180	} elsif (ref $channel) {
		3181	# send meta info to client, if not yet sent
		3182	unless (exists $self->{channel}{$channel->{id}}) {
		3183	$self->{channel}{$channel->{id}} = $channel;
		3184	$self->ext_msg (channel_info => $channel);
		3185	}
		3186
		3187	$channel = $channel->{id};
		3188	}
		3189
		3190	return unless @extra || length $msg;
		3191
		3192	# default colour, mask it out
		3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3194	if $color & cf::NDI_DEF;
		3195
		3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
		3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3199	);
		3200
		3201	$self->send_big_packet ($pkt);
		3202	}
		3203
		3204	=item $client->ext_msg ($type, @msg)
		3205
		3206	Sends an ext event to the client.
		3207
		3208	=cut
		3209
		3210	sub cf::client::ext_msg($$@) {
		3211	my ($self, $type, @msg) = @_;
		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
		3216	push @msg, msgtype => "event_$type";
		3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3218	}
		3219	}
		3220
		3221	=item $client->ext_reply ($msgid, @msg)
		3222
		3223	Sends an ext reply to the client.
		3224
		3225	=cut
		3226
		3227	sub cf::client::ext_reply($$@) {
		3228	my ($self, $id, @msg) = @_;
		3229
		3230	return unless $self->extcmd == 2;
		3231
		3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3233	}
1909		3234
1910	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
1911		3236
1912	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1915		3240
1916	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
1917	reliable at some point in the future.	3242	become reliable at some point in the future.
1918		3243
1919	=cut	3244	=cut
1920		3245
1921	sub cf::client::query {	3246	sub cf::client::query {
1922	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
1930	utf8::encode $text;	3255	utf8::encode $text;
1931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1932		3257
1933	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
1934	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
1935	}	3262	}
1936		3263
1937	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
1938	on_reply => sub {	3270	on_reply => sub {
1939	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
1940		3272
1941	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
1942	# get handled first	3274	# get handled first
1943	my $queue = delete $ns->{query_queue}	3275	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	3276	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		3277
1946	(shift @$queue)->[1]->($msg);	3278	(shift @$queue)->[1]->($msg);
		3279	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		3280
1948	push @{ $ns->{query_queue} }, @$queue;	3281	push @{ $ns->{query_queue} }, @$queue;
1949		3282
1950	if (@{ $ns->{query_queue} } == @$queue) {	3283	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	3284	if (@$queue) {
…		…
1953	} else {	3286	} else {
1954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1955	}	3288	}
1956	}	3289	}
1957	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
1958	);	3314	);
1959		3315
1960	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
1961		3317
1962	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
1978		3334
1979	$coro	3335	$coro
1980	}	3336	}
1981		3337
1982	cf::client->attach (	3338	cf::client->attach (
1983	on_destroy => sub {	3339	on_client_destroy => sub {
1984	my ($ns) = @_;	3340	my ($ns) = @_;
1985		3341
1986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1987	},	3343	},
1988	);	3344	);
…		…
2003	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2004	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2005		3361
2006	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2007		3363
2008	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2009		3369
2010	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2011		3371
2012	=pod	3372	=pod
2013		3373
2014	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2015		3375
2016	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2017	cf::object::player player	3381	cf::object::player
2018	cf::player peaceful	3382	player
2019	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2020		3389
2021	=cut	3390	=cut
2022		3391
2023	for (	3392	for (
2024	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2025	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2026	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2027	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2028	) {	3399	) {
2029	no strict 'refs';
2030	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2031	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2032	for @funs;	3402	for @funs;
2033	}	3403	}
2034		3404
…		…
2049		3419
2050	my $qcode = $code;	3420	my $qcode = $code;
2051	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2052	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2053		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2054	local $_;	3427	local $_;
2055	local @safe::cf::_safe_eval_args = values %vars;
2056		3428
2057	my $eval =	3429	my $eval =
2058	"do {\n"	3430	"do {\n"
2059	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2060	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2061	. $code	3433	. $code
2062	. "\n}"	3434	. "\n}"
2063	;	3435	;
2064		3436
		3437	if ($CFG{safe_eval}) {
2065	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2066	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2067	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2068		3446
2069	if ($@) {	3447	if ($@) {
2070	warn "$@";	3448	warn "$@",
2071	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2072	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2073	}	3451	}
2074		3452
2075	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2076	}	3454	}
2077		3455
…		…
2091	=cut	3469	=cut
2092		3470
2093	sub register_script_function {	3471	sub register_script_function {
2094	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2095		3473
2096	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2097	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2098	}	3476	}
2099		3477
2100	=back	3478	=back
2101		3479
2102	=cut	3480	=cut
2103		3481
2104	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2105		3484
2106	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2107		3487
2108	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2109	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2110	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2111		3491
2112	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2113	using it, it should be unique.
2114		3493
2115	=over 4	3494	trace "loading facedata from $path\n";
2116		3495
2117	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2118		3497
2119	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2120	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2121	C<cf::db_sync>.
2122		3500
2123	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2124		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2125	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2126		3504	type => FT_RSRC,
2127	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2128		3506	hash => (Digest::MD5::md5 $exp_table),
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131
2132	=item cf::db_put $family => $key => $value
2133
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144
2145	=cut
2146
2147	our $DB;
2148
2149	{
2150	my $path = cf::localdir . "/database.pst";
2151
2152	sub db_load() {
2153	$DB = stat $path ? Storable::retrieve $path : { };
2154	}
2155
2156	my $pid;
2157
2158	sub db_save() {
2159	waitpid $pid, 0 if $pid;
2160	if (0 == ($pid = fork)) {
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	3507	};
		3508	cf::cede_to_tick;
2178		3509
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2183		3512
2184	sub db_get($;$) {	3513	while (my ($face, $info) = each %$faces) {
2185	@_ >= 2	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2186	? $DB->{$_[0]}{$_[1]}
2187	: ($DB->{$_[0]} ||= { })
2188	}
2189		3515
2190	sub db_put($$;$) {	3516	cf::face::set_visibility $idx, $info->{visibility};
2191	if (@_ >= 3) {	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2192	$DB->{$_[0]}{$_[1]} = $_[2];	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2193	} else {	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2194	$DB->{$_[0]} = $_[1];	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2195	}
2196	db_dirty;
2197	}
2198		3521
2199	cf::global->attach (	3522	cf::cede_to_tick;
2200	prio => 10000,
2201	on_cleanup => sub {
2202	db_sync;
2203	},	3523	}
2204	);
2205	}
2206		3524
2207	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2208	# the server's main()	3526	next unless $info->{smooth};
2209		3527
2210	sub cfg_load {	3528	my $idx = cf::face::find $face
2211	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2212	or return;
2213		3530
2214	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2215	*CFG = YAML::Syck::Load <$fh>;	3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
2216		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3564	} else {
		3565	# $RESOURCE{$name} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
		3574	1
		3575	}
		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($ns, $want) = @_;
		3579
		3580	while (my ($k, $v) = each %$want) {
		3581	$ns->fx_want ($k, $v);
		3582	}
		3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
		3594
		3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
		3600	load_resource_file "$MAPDIR/regions"
		3601	or die "unable to load regions file\n";
		3602
		3603	for (cf::region::list) {
		3604	$_->{match} = qr/$_->{match}/
		3605	if exists $_->{match};
		3606	}
		3607	}
		3608
		3609	sub reload_facedata {
		3610	load_facedata "$DATADIR/facedata"
		3611	or die "unable to load facedata\n";
		3612	}
		3613
		3614	sub reload_archetypes {
		3615	load_resource_file "$DATADIR/archetypes"
		3616	or die "unable to load archetypes\n";
		3617	}
		3618
		3619	sub reload_treasures {
		3620	load_resource_file "$DATADIR/treasures"
		3621	or die "unable to load treasurelists\n";
		3622	}
		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
		3644	sub reload_resources {
		3645	trace "reloading resource files...\n";
		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
		3652	reload_regions;
		3653	reload_treasures;
		3654
		3655	trace "finished reloading resource files\n";
		3656	}
		3657
		3658	sub reload_config {
		3659	trace "reloading config file...\n";
		3660
		3661	my $config = load_file "$CONFDIR/config";
		3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
		3664
2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2218		3666
2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2221		3669
2222	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2226	};	3674	};
2227	warn $@ if $@;	3675	warn $@ if $@;
2228	}	3676	}
2229	}	3677	}
2230		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
2231	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
2232	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2233	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2235	(async {	3720	(async {
2236	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2237	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2238	};	3724	};
2239		3725
2240	cfg_load;	3726	evthread_start IO::AIO::poll_fileno;
2241	db_load;	3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
		3738	reload_config;
		3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
2242	load_extensions;	3749	load_extensions;
2243	Event::loop;	3750
		3751	utime time, time, $RUNTIMEFILE;
		3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2244	}	3768	}
2245		3769
2246	#############################################################################	3770	#############################################################################
2247	# initialisation and cleanup	3771	# initialisation and cleanup
2248		3772
2249	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2250	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2257	},
2258	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2259	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2260	}	3869	}
2261		3870
2262	sub emergency_save() {	3871	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2264		3873
2265	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2266		3880
2267	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2268	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2269	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2270	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2272	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3892	$pl->save;
2276	}	3893	}
2277	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2278		3895
2279	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2280	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2281	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3901	$map->valid or next;
2283	$map->save;	3902	$map->save;
2284	}	3903	}
2285	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
		3905
		3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
		3909	BDB::db_env_txn_checkpoint $DB_ENV;
		3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2286	};	3934	};
2287		3935
2288	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2289	}	3937	}
2290		3938
		3939	sub post_cleanup {
		3940	my ($make_core) = @_;
		3941
		3942	IO::AIO::flush;
		3943
		3944	error Carp::longmess "post_cleanup backtrace"
		3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2291	sub reload() {	3976	sub do_reload_perl() {
2292	# can/must only be called in main	3977	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2294	warn "can only reload from main coroutine\n";	3979	error "can only reload from main coroutine";
2295	return;	3980	return;
2296	}	3981	}
2297		3982
2298	warn "reloading...";	3983	return if $RELOAD++;
2299		3984
2300	warn "freezing server";	3985	my $t1 = AE::time;
2301	my $guard = freeze_mainloop;	3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
		3993	cf::sync_job {
2302	cf::emergency_save;	3994	#cf::emergency_save;
2303		3995
2304	warn "sync database to disk";	3996	trace "perl_reload: cancelling all extension coros";
2305	cf::db_sync;
2306	IO::AIO::flush;
2307
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved
2310
2311	warn "cancel all watchers";
2312	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}
2315
2316	warn "cancel all extension coros";
2317	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3998	%EXT_CORO = ();
2319		3999
2320	warn "remove commands";	4000	trace "perl_reload: removing commands";
2321	%COMMAND = ();	4001	%COMMAND = ();
2322		4002
2323	warn "remove ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2324	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2325		4006
2326	warn "unload/nuke all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2329		4010
2330	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2331	eval {	4012	eval {
2332	$cb->($pkg);	4013	$cb->($pkg);
2333	1	4014	1
2334	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2335	}	4020	}
2336		4021
2337	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;
2339	}
2340
2341	warn "unload all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		4025
2345	warn "removing <$k>";	4026	trace "... unloading $k";
2346	delete $INC{$k};	4027	delete $INC{$k};
2347		4028
2348	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2350		4031
2351	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2352	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2353	}	4037	}
2354		4038
2355	Symbol::delete_package $k;
2356	}
2357
2358	warn "get rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		4042
2362	warn "unload cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2364		4046
2365	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2366	# and global variables created in xs	4048	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2368		4050
2369	warn "reloading cf.pm";	4051	info "perl_reload: unload completed, starting to reload now";
		4052
		4053	trace "perl_reload: reloading cf.pm";
2370	require cf;	4054	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2372		4056
2373	warn "load config and database again";	4057	trace "perl_reload: loading config and database again";
2374	cf::cfg_load;	4058	cf::reload_config;
2375	cf::db_load;
2376		4059
2377	warn "load extensions";	4060	trace "perl_reload: loading extensions";
2378	cf::load_extensions;	4061	cf::load_extensions;
2379		4062
		4063	if ($REATTACH_ON_RELOAD) {
2380	warn "reattach attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2381	_global_reattach;	4065	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2383	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
		4068	trace "perl_reload: reattaching attachments to players";
		4069	reattach $_ for values %PLAYER;
		4070	}
		4071
		4072	cf::_post_init 1;
		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
		4076	1
		4077	} or do {
		4078	error $@;
		4079	cf::cleanup "perl_reload: error, exiting.";
		4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2384	};	4102	};
2385		4103	}
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391
2392	warn "reloaded";
2393	};
2394
2395	our $RELOAD_WATCHER; # used only during reload
2396		4104
2397	register_command "reload" => sub {	4105	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2399		4107
2400	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2402		4110	async {
2403	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;	4112	reload_perl;
2408	undef $RELOAD_WATCHER;
2409	});	4113	};
2410	}	4114	}
2411	};	4115	};
2412		4116
2413	unshift @INC, $LIBDIR;	4117	#############################################################################
2414		4118
2415	$TICK_WATCHER = Event->timer (	4119	my $bug_warning = 0;
2416	reentrant => 0,
2417	prio => 0,
2418	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,
2420	cb => sub {
2421	$NOW = Event::time;
2422		4120
2423	cf::server_tick; # one server iteration	4121	sub wait_for_tick() {
2424	$RUNTIME += $TICK;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2425	$NEXT_TICK += $TICK;
2426		4123
		4124	$WAIT_FOR_TICK->wait;
		4125	}
		4126
		4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
		4136	if ($Coro::current != $Coro::main) {
		4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4138	unless ++$bug_warning > 10;
		4139	return;
		4140	}
		4141
		4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4145
		4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
		4150	write_runtime_sync
		4151	or error "ERROR: unable to write runtime file: $!";
		4152	};
		4153	}
		4154
		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2427	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2429		4159
2430	# if we are delayed by four ticks or more, skip them all	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2432		4162
2433	$TICK_WATCHER->at ($NEXT_TICK);	4163	if (0) {
2434	$TICK_WATCHER->start;	4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
2435	},	4169	}
2436	);	4170	}
2437		4171
		4172	{
		4173	# configure BDB
		4174
		4175	BDB::min_parallel 16;
		4176	BDB::max_poll_reqs $TICK * 0.1;
		4177	#$AnyEvent::BDB::WATCHER->priority (1);
		4178
		4179	unless ($DB_ENV) {
		4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4186
		4187	cf::sync_job {
		4188	eval {
		4189	BDB::db_env_open
		4190	$DB_ENV,
		4191	$BDBDIR,
		4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4194	0666;
		4195
		4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4197	};
		4198
		4199	cf::cleanup "db_env_open(db): $@" if $@;
		4200	};
		4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
		4212	}
		4213
		4214	{
		4215	# configure IO::AIO
		4216
		4217	IO::AIO::min_parallel 8;
2438	IO::AIO::max_poll_time $TICK * 0.2;	4218	IO::AIO::max_poll_time $TICK * 0.1;
		4219	undef $AnyEvent::AIO::WATCHER;
		4220	}
2439		4221
2440	$AIO_POLL_WATCHER = Event->io (	4222	our $_log_backtrace;
2441	fd => IO::AIO::poll_fileno,	4223	our $_log_backtrace_last;
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447		4224
2448	$WRITE_RUNTIME_WATCHER = Event->timer (	4225	sub _log_backtrace {
2449	data => WF_AUTOCANCEL,	4226	my ($msg, @addr) = @_;
2450	after => 0,	4227
2451	interval => 10,	4228	$msg =~ s/\n$//;
2452	cb => sub {	4229
2453	(Coro::unblock_sub {	4230	if ($_log_backtrace_last eq $msg) {
2454	write_runtime	4231	LOG llevInfo, "[ABT] $msg\n";
2455	or warn "ERROR: unable to write runtime file: $!";	4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
2456	})->();	4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2457	},	4266	}
2458	);	4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2459		4272
2460	END { cf::emergency_save }	4273	END { cf::emergency_save }
2461		4274
2462	1	4275	1
2463		4276

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines