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 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		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
88	sub cf::map::normalise;	177	sub cf::map::normalise;
89		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
90	#############################################################################	183	#############################################################################
91		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
92	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
93		197
94	=over 4	198	=over 4
95		199
96	=item $cf::UPTIME	200	=item $cf::UPTIME
97		201
98	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.
99		218
100	=item $cf::RUNTIME	219	=item $cf::RUNTIME
101		220
102	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
103	every server tick.	222	every server tick.
104		223
105	=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
106		227
107	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		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
110	=item $cf::NOW	239	=item $cf::LOAD
111		240
112	The time of the last (current) server tick.	241	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		242
118	=item %cf::CFG	243	=item %cf::CFG
119		244
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	246	from wherever your confdir points to.
122		247
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		249
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
129		282
130	=back	283	=back
131		284
132	=cut	285	=cut
133		286
134	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	294	my $msg = join "", @_;
137	utf8::encode $msg;
138		295
139	$msg .= "\n"	296	$msg .= "\n"
140	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
141		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
142	LOG llevError, $msg;	301	LOG llevWarn, $msg;
143	};	302	};
144	}	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	};
145		317
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		325
153	# 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
154	# within the Safe compartment.	327	# within the Safe compartment.
155	for my $pkg (qw(	328	for my $pkg (qw(
156	cf::global cf::attachable	329	cf::global cf::attachable
157	cf::object cf::object::player	330	cf::object cf::object::player
158	cf::client cf::player	331	cf::client cf::player
159	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
160	cf::map cf::party cf::region	334	cf::party cf::region
161	)) {	335	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	337	}
165		338
166	$Event::DIED = sub {	339	$EV::DIED = sub {
167	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
168	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
169		349
170	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
171		351
172	=over 4	352	=over 4
173		353
…		…
192	$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;
193	$d	373	$d
194	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
195	}	375	}
196		376
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
198		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
199	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
200		392
201	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
202		394
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
211		396
212	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
213		398
214	=cut	399	=cut
215		400
216	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
218	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
219	}	466	}
220		467
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	509	}
268	$WRITE_RUNTIME_WATCHER->start;	510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
269	};	578	}
270	$WRITE_RUNTIME_WATCHER->stop;	579	};
271	$TICK_WATCHER->stop;	580
272	$guard	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
273	}	594	}
274		595
275	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
276		597
277	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		603
283	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
284		605
285	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
286		607
287	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
290		612
291	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
294	fast or be very important.	616	fast or be very important.
…		…
296	=cut	618	=cut
297		619
298	sub sync_job(&) {	620	sub sync_job(&) {
299	my ($job) = @_;	621	my ($job) = @_;
300		622
301	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
302	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
304		628
305	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	630
307	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
308		632
309	my $busy = 1;	633	my $busy = 1;
310	my @res;	634	my @res;
311		635
312	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	638	@res = eval { $job->() };
314	warn $@ if $@;	639	error $@ if $@;
315	undef $busy;	640	undef $busy;
316	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
317		642
318	while ($busy) {	643	while ($busy) {
319	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
320	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
321		654
322	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
323	} else {	656	} else {
324	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
325		658
…		…
345	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
346		679
347	$coro	680	$coro
348	}	681	}
349		682
350	sub write_runtime {	683	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		684
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
354	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
355		689
356	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		691
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
361	and return;	693	reset_signals;
		694	}
362		695
363	aio_fsync $fh	696	sub fork_call(&@) {
364	and return;	697	my ($cb, @args) = @_;
365		698
366	close $fh	699	# we seemingly have to make a local copy of the whole thing,
367	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
368		702
369	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
370	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
371		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
372	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	886	}
374		887
375	=back	888	=back
376		889
377	=cut	890	=cut
378		891
379	#############################################################################	892	#############################################################################
380		893
381	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
382		895
383	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
386		899
387	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	902	Deliantra).
390		903
391	=over 4	904	=over 4
392		905
393	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
394		907
…		…
438	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
439		952
440	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
442		955
443	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
445		958
446	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
447		960
448	=over 4	961	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
558		1071
559	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1076
564	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
566		1079
567	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
572		1085
573	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1088
576	} elsif (ref $type) {	1089	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
578		1091
579	} else {	1092	} else {
580	shift @arg;	1093	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
582	}	1095	}
583	}	1096	}
584	}	1097	}
585		1098
586	sub _object_attach {	1099	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
597	}	1110	}
598		1111
599	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
600	} else {	1113	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1115	}
603		1116
604	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
605	}	1118	}
606		1119
…		…
608	if (ref $_[0]) {	1121	if (ref $_[0]) {
609	_object_attach @_;	1122	_object_attach @_;
610	} else {	1123	} else {
611	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
612	}	1125	}
		1126	_recalc_want;
613	};	1127	};
614		1128
615	# all those should be optimised	1129	# all those should be optimised
616	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1135	reattach ($obj);
622	} else {	1136	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
624	}	1138	}
		1139	_recalc_want;
625	};	1140	};
626		1141
627	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
629		1144
…		…
644	";	1159	";
645	die if $@;	1160	die if $@;
646	}	1161	}
647		1162
648	our $override;	1163	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1165
651	sub override {	1166	sub override {
652	$override = 1;	1167	$override = 1;
653	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
654	}	1169	}
655		1170
656	sub do_invoke {	1171	sub do_invoke {
657	my $event = shift;	1172	my $event = shift;
658	my $callbacks = shift;	1173	my $callbacks = shift;
659		1174
660	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
661		1176
662	local $override;	1177	local $override;
663		1178
664	for (@$callbacks) {	1179	for (@$callbacks) {
665	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
666		1181
667	if ($@) {	1182	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1184	override;
671	}	1185	}
672		1186
673	return 1 if $override;	1187	return 1 if $override;
674	}	1188	}
675		1189
676	0	1190	0
677	}	1191	}
678		1192
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1194
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1196
683	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
684		1198
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1202
689	=back	1203	=back
690		1204
691	=cut	1205	=cut
692		1206
693	#############################################################################	1207	#############################################################################
694	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
695		1251
696	sub reattach {	1252	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1254	my ($obj) = @_;
699		1255
		1256	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1258
702	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
703		1260
704	@$registry = ();	1261	@$registry = ();
705		1262
…		…
710	for (@$attach) {	1267	for (@$attach) {
711	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
713	}	1270	}
714	} else {	1271	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1273	}
717	}	1274	}
718	}	1275	}
719		1276
720	cf::attachable->attach (	1277	cf::attachable->attach (
721	prio => -1000000,	1278	prio => -1000000,
722	on_instantiate => sub {	1279	on_instantiate => sub {
723	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
724		1281
725	$data = from_json $data;	1282	$data = decode_json $data;
726		1283
727	for (@$data) {	1284	for (@$data) {
728	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
729		1286
730	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1303	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
748		1305
749	sync_job {	1306	sync_job {
750	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
753		1312
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1316	if ($cf::USE_FSYNC) {
		1317	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;
757	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
758	close $fh;	1320	aio_close $fh;
759		1321
760	if (@$objs) {	1322	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		1327	if ($cf::USE_FSYNC) {
		1328	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;
765	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
766	close $fh;	1331	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
768	}	1333	}
769	} else {	1334	} else {
770	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
771	}	1336	}
772		1337
773	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1342	} else {
775	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
776	}	1344	}
777	} else {	1345	} else {
778	aio_unlink $filename;	1346	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
780	}	1348	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1349	};
788	}	1350	}
789		1351
790	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
792		1354
…		…
797		1359
798	sub object_thawer_load {	1360	sub object_thawer_load {
799	my ($filename) = @_;	1361	my ($filename) = @_;
800		1362
801	my ($data, $av);	1363	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1364
806	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
807	or return;	1366	or return;
808		1367
809	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
811	or return;	1370	or return;
		1371
812	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
813	}	1374	}
814		1375
		1376	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
817	return ($data, $av);	1381	($data, $av)
818	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
819		1389
820	#############################################################################	1390	#############################################################################
821	# command handling &c	1391	# command handling &c
822		1392
823	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1407	}
838		1408
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1410
841	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
842		1416
843	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
844	called.	1418	called.
845		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
846	=cut	1431	=cut
847		1432
848	sub register_extcmd {	1433	sub register_extcmd {
849	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
850		1435
851	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
852	}	1437	}
853		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
854	cf::player->attach (	1447	cf::player->attach (
855	on_command => sub {	1448	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
857		1450
858	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
859	or return;	1452	or return;
860		1453
…		…
865	cf::override;	1458	cf::override;
866	},	1459	},
867	on_extcmd => sub {	1460	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
869		1462
870	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1464
872	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
878	} else {	1480	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1482	}
881		1483
882	cf::override;	1484	cf::override;
883	},	1485	},
884	);	1486	);
885		1487
		1488	# "readahead" all extensions
886	sub load_extension {	1489	sub cache_extensions {
887	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
888		1491
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1495	}
914	die $@;
915	}	1496	};
916		1497
917	push @EXTS, $pkg;	1498	$grp
918	}	1499	}
919		1500
920	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
921	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1508	next unless -r $path;
923	eval {	1509
924	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
925	1	1573	}
926	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
927	}	1586	};
928	}	1587	}
929		1588
930	#############################################################################	1589	#############################################################################
931		1590
		1591	=back
		1592
932	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
933		1594
934	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
935		1596
936	=cut	1597	=cut
937		1598
938	package cf::player;	1599	package cf::player;
939		1600
…		…
941		1602
942	=head3 cf::player	1603	=head3 cf::player
943		1604
944	=over 4	1605	=over 4
945		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
946	=item cf::player::find $login	1621	=item cf::player::find $login
947		1622
948	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
949		1624
950	=cut	1625	=cut
951		1626
952	sub playerdir($) {	1627	sub playerdir($) {
953	cf::localdir	1628	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1630	}
959		1631
960	sub path($) {	1632	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1634
963	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
964	}	1636	}
965		1637
966	sub find_active($) {	1638	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
971		1643
972	sub exists($) {	1644	sub exists($) {
973	my ($login) = @_;	1645	my ($login) = @_;
974		1646
975	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
977	}	1649	}
978		1650
979	sub find($) {	1651	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1653	my $login = $_[0];
982		1654
983	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
984		1656
985	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
987	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
989	}	1674	}
990	}	1675	}
991	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
992		1690
993	sub save($) {	1691	sub save($) {
994	my ($pl) = @_;	1692	my ($pl) = @_;
995		1693
996	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1002		1700
1003	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1005		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1006	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1007	Coro::cede;	1710	cf::cede_to_tick;
1008	}	1711	}
1009		1712
1010	sub new($) {	1713	sub new($) {
1011	my ($login) = @_;	1714	my ($login) = @_;
1012		1715
…		…
1018	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1019		1722
1020	$self	1723	$self
1021	}	1724	}
1022		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1023	=item $pl->quit_character	1736	=item $pl->quit_character
1024		1737
1025	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1027		1740
1028	=cut	1741	=cut
1029		1742
1030	sub quit_character {	1743	sub quit_character {
1031	my ($pl) = @_;	1744	my ($pl) = @_;
1032		1745
		1746	my $name = $pl->ob->name;
		1747
1033	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1750
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1039	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1040		1759
1041	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1046	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1047	}	1786	}
1048		1787
1049	=item cf::player::list_logins	1788	=item cf::player::list_logins
1050		1789
1051	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1053		1792
1054	=cut	1793	=cut
1055		1794
1056	sub list_logins {	1795	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1797	or return [];
1059		1798
1060	my @logins;	1799	my @logins;
1061		1800
1062	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1066		1811
1067	utf8::decode $login;	1812	utf8::decode $login;
1068	push @logins, $login;	1813	push @logins, $login;
1069	}	1814	}
1070		1815
1071	\@logins	1816	\@logins
1072	}	1817	}
1073		1818
1074	=item $player->maps	1819	=item $player->maps
1075		1820
		1821	=item cf::player::maps $login
		1822
1076	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1077	player. May block.	1824	player. May block.
1078		1825
1079	=cut	1826	=cut
1080		1827
1081	sub maps($) {	1828	sub maps($) {
1082	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1832
1084	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1085	or return;	1834	or return;
1086		1835
1087	my @paths;	1836	my @paths;
…		…
1089	for (@$files) {	1838	for (@$files) {
1090	utf8::decode $_;	1839	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1093		1842
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1843	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1844	}
1096		1845
1097	\@paths	1846	\@paths
1098	}	1847	}
1099		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1101		1854
1102	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1103		1856
1104	=cut	1857	=cut
1105		1858
1106	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1108		1861
1109	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1863	}
1113		1864
1114	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1115		1907
1116	=back	1908	=back
1117
1118		1909
1119	=head3 cf::map	1910	=head3 cf::map
1120		1911
1121	=over 4	1912	=over 4
1122		1913
…		…
1134	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1136		1927
1137	sub generate_random_map {	1928	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1139	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1140	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151	(cf::region::find $rmp->{region}), $rmp->{custom}
1152	)
1153	}	1934	}
1154		1935
1155	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1156		1937
1157	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1162		1943
1163	sub register {	1944	sub register {
1164	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	1946	my $pkg = caller;
1166		1947
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		1949
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	1951	}
1172		1952
1173	# also paths starting with '/'	1953	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		1955
1176	sub thawer_merge {	1956	sub thawer_merge {
1177	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1178		1958
1179	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1180	local $self->{path};	1960	local $self->{path};
1181	local $self->{load_path};	1961	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1962
1185	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1186	}	1964	}
1187		1965
1188	sub normalise {	1966	sub normalise {
1189	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1190		1968
1191	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1192		1970
1193	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1194		1972
1195	# map plan:	1973	# map plan:
1196	#	1974	#
…		…
1211	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1212	$path = "$base/$path";	1990	$path = "$base/$path";
1213	}	1991	}
1214		1992
1215	for ($path) {	1993	for ($path) {
1216	redo if s{//}{/};
1217	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1218	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1219	}	1996	}
1220		1997
1221	$path	1998	$path
…		…
1235	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1236	return $self;	2013	return $self;
1237	}	2014	}
1238	}	2015	}
1239		2016
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	2018	()
1242	}	2019	}
1243		2020
		2021	# may re-bless or do other evil things
1244	sub init {	2022	sub init {
1245	my ($self) = @_;	2023	my ($self) = @_;
1246		2024
1247	$self	2025	$self
1248	}	2026	}
…		…
1260		2038
1261	# the original (read-only) location	2039	# the original (read-only) location
1262	sub load_path {	2040	sub load_path {
1263	my ($self) = @_;	2041	my ($self) = @_;
1264		2042
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1266	}	2044	}
1267		2045
1268	# the temporary/swap location	2046	# the temporary/swap location
1269	sub save_path {	2047	sub save_path {
1270	my ($self) = @_;	2048	my ($self) = @_;
1271		2049
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1274	}	2052	}
1275		2053
1276	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1277	sub uniq_path {	2055	sub uniq_path {
1278	my ($self) = @_;	2056	my ($self) = @_;
1279		2057
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1282	}	2060	}
1283		2061
1284	# and all this just because we cannot iterate over	2062	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	2063	my ($self) = @_;
1288		2064
1289	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1291	}	2068	}
1292		2069
1293	sub unlink_save {	2070	sub unlink_save {
1294	my ($self) = @_;	2071	my ($self) = @_;
1295		2072
1296	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	2076	}
1305		2077
1306	sub load_header_from($) {	2078	sub load_header_from($) {
1307	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1308		2080
1309	utf8::encode $path;	2081	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	2083	or return;
1315		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1316	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1317		2092
1318	1	2093	1
1319	}	2094	}
1320		2095
		2096	# used to laod the header of an original map
1321	sub load_header_orig {	2097	sub load_header_orig {
1322	my ($self) = @_;	2098	my ($self) = @_;
1323		2099
1324	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1325	}	2101	}
1326		2102
		2103	# used to laod the header of an instantiated map
1327	sub load_header_temp {	2104	sub load_header_temp {
1328	my ($self) = @_;	2105	my ($self) = @_;
1329		2106
1330	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1331	}	2108	}
1332		2109
		2110	# called after loading the header from an instantiated map
1333	sub prepare_temp {	2111	sub prepare_temp {
1334	my ($self) = @_;	2112	my ($self) = @_;
1335		2113
1336	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1337	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1338	# safety	2116	# safety
1339	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1340	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1341	}	2119	}
1342		2120
		2121	# called after loading the header from an original map
1343	sub prepare_orig {	2122	sub prepare_orig {
1344	my ($self) = @_;	2123	my ($self) = @_;
1345		2124
1346	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1347	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1358	$self->load_header_orig	2137	$self->load_header_orig
1359	or return;	2138	or return;
1360	$self->prepare_orig;	2139	$self->prepare_orig;
1361	}	2140	}
1362		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1363	1	2148	1
1364	}	2149	}
1365		2150
1366	sub find;	2151	sub find;
1367	sub find {	2152	sub find {
1368	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1369		2154
		2155	cf::cede_to_tick;
		2156
1370	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1371		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2161
1374	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1377	or return;	2164	or return;
1378		2165
1379	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1380		2167
1381	$map->load_header	2168	$map->load_header
1382	or return;	2169	or return;
1383		2170
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1387	$map->reset;	2176	$map->reset;
1388	undef $guard;
1389	return find $path;	2177	return find $path;
1390	}	2178	}
1391		2179
1392	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1393	}	2181	}
1394	}	2182	}
1395		2183
1396	sub pre_load { }	2184	sub pre_load { }
1397	sub post_load { }	2185	#sub post_load { } # XS
1398		2186
1399	sub load {	2187	sub load {
1400	my ($self) = @_;	2188	my ($self) = @_;
1401		2189
1402	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1403		2191
1404	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1406		2196
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1408		2199
1409	$self->in_memory (cf::MAP_LOADING);
1410
1411	$self->alloc;	2200	$self->alloc;
1412		2201
1413	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1414		2204
1415	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1416	or return;	2209	or return;
1417		2210
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1419	if delete $self->{load_original};	2212	if delete $self->{load_original};
1420		2213
1421	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2215	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2218	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1426	}	2223	}
1427	}
1428		2224
1429	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1430		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1431	# now do the right thing for maps	2234	# now do the right thing for maps
1432	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2237	unless $self->difficulty;
1442	Coro::cede;	2238	cf::cede_to_tick;
1443	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1444	}	2250	}
1445		2251
1446	$self->post_load;	2252	$self->post_load;
1447		2253
1448	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1449	}	2255	}
1450		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2260	sub customise_for {
1452	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1453		2262
1454	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2264	if $self->per_player;
1456		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1457	$self	2269	$self
1458	}	2270	}
1459		2271
1460	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2273	sub load_neighbours {
1462	my ($map) = @_;	2274	my ($map) = @_;
1463		2275
1464	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1465		2277
1466	for (0 .. 3) {	2278	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1468	or next;	2280	or next;
1469	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1470	or next;	2282	or next;
1471	$neigh->load;	2283	$neigh->load;
1472		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2289	}
1476		2290
1477	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1479	or next;	2294	or next;
1480	$neigh->load;	2295	$neigh->load;
1481	}	2296	}
1482	}	2297	}
1483		2298
1484	sub find_sync {	2299	sub find_sync {
1485	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1486		2301
1487	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1488	}	2307	}
1489		2308
1490	sub do_load_sync {	2309	sub do_load_sync {
1491	my ($map) = @_;	2310	my ($map) = @_;
1492		2311
1493	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1494	}	2317	}
1495		2318
1496	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1498		2321
1499	sub find_async {	2322	sub find_async {
1500	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1501		2324
1502	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1503		2326
1504	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1506	}	2329	}
1507		2330
1508	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1509	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1510	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2338	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2339	$map->load if $v;
		2340	}
1515		2341
1516	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1517	}	2343	}
1518	}	2344	}
1519	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1520	};	2346	};
1521	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1522		2348
1523	()	2349	()
1524	}	2350	}
1525		2351
		2352	# common code, used by both ->save and ->swapout
1526	sub save {	2353	sub _save {
1527	my ($self) = @_;	2354	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2355
1531	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1532		2357
1533	return unless $self->dirty;	2358	return unless $self->dirty;
1534		2359
…		…
1540	return if $self->{deny_save};	2365	return if $self->{deny_save};
1541		2366
1542	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1543		2368
1544	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1546	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1547		2375
1548	if ($uniq) {	2376	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2379	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2381	}
1554	}	2382	}
1555		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1556	sub swap_out {	2392	sub swap_out {
1557	my ($self) = @_;	2393	my ($self) = @_;
1558		2394
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1564	return if $self->players;	2399	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1568	$self->clear;	2410	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2411	}
1571		2412
1572	sub reset_at {	2413	sub reset_at {
1573	my ($self) = @_;	2414	my ($self) = @_;
1574		2415
1575	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1578		2418
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2421
…		…
1592	my ($self) = @_;	2432	my ($self) = @_;
1593		2433
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2435
1596	return if $self->players;	2436	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2437
1599	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
		2439
		2440	$self->state (cf::MAP_SWAPPED);
		2441
		2442	# need to save uniques path
		2443	unless ($self->{deny_save}) {
		2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2445
		2446	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2447	if $uniq;
		2448	}
1600		2449
1601	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1602		2451
1603	$self->in_memory (cf::MAP_SWAPPED);	2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2454	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2455
1608	$self->unlink_save;	2456	$self->unlink_save;
1609	$self->destroy;	2457	$self->destroy;
1610	}	2458	}
1611		2459
1612	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1613		2461
1614	sub nuke {	2462	sub nuke {
1615	my ($self) = @_;	2463	my ($self) = @_;
1616		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1617	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1618		2469
1619	$self->unlink_save;	2470	$self->unlink_save;
1620		2471
1621	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2477
1627	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1628		2480
1629	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1630	}	2518	}
1631		2519
1632	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1633		2521
1634	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2523	instantiated unique items. May block.
1636		2524
1637	=cut	2525	=cut
1638		2526
1639	sub unique_maps() {	2527	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1641	or return;	2529	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2530	utf8::decode $_;
1647	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2533	? ()
1650	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2536	]
1652
1653	\@paths
1654	}	2537	}
1655		2538
1656	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1657		2570
1658	=back	2571	=back
1659		2572
1660	=head3 cf::object	2573	=head3 cf::object
1661		2574
…		…
1665		2578
1666	=over 4	2579	=over 4
1667		2580
1668	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1669		2582
1670	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1671		2585
1672	=cut	2586	=cut
1673		2587
1674	sub inv_recursive_;	2588	sub inv_recursive_;
1675	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1678		2592
1679	sub inv_recursive {	2593	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1681	}	2595	}
1682		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1683	package cf;	2625	package cf;
1684		2626
1685	=back	2627	=back
1686		2628
1687	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1696		2638
1697	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1698		2654
1699	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2656	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1704		2660
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2662
1707	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1709	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1712	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1713	}	2688	}
1714		2689
1715	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1716		2691
1717	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1730		2705
1731	=item $player_object->enter_link	2706	=item $player_object->enter_link
1732		2707
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2709
1735	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1737		2714
1738	Will never block.	2715	Will never block.
1739		2716
1740	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1741		2718
…		…
1761	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2739	my ($self) = @_;
1763		2740
1764	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1765		2742
		2743	++$self->{_link_recursion};
		2744
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2746
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1770		2749
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2751	}
1773		2752
1774	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1776		2757
1777	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1778		2759
1779	unless ($map) {	2760	unless ($map) {
1780	# restore original map position	2761	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1793		2774
1794	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1797		2778
1798	$map->load;	2779	$map->load;
1799	$map->load_diag;	2780	$map->load_neighbours;
1800		2781
1801	return unless $self->contr->active;	2782	return unless $self->contr->active;
		2783
		2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2785	if ($self->enter_map ($map, $x, $y)) {
		2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2789	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2790	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2791
1820	# try to abort aborted map switching on player login :)	2792	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2793
1838	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1840	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1841		2808
1842	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2820
1845	$self->enter_link;	2821	$self->enter_link;
1846		2822
1847	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
1848	my $map = eval {	2845	my $map = eval {
1849	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
		2851	} else {
		2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
		2854
1851	$map	2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2861	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1856	})->prio (1);	2869	})->prio (1);
1857	}	2870	}
1858		2871
1859	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1860		2873
…		…
1880	}	2893	}
1881		2894
1882	sub prepare_random_map {	2895	sub prepare_random_map {
1883	my ($exit) = @_;	2896	my ($exit) = @_;
1884		2897
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2900	# that depends on the exit object
1890		2901
1891	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2904	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1898	}	2911	}
1899		2912
1900	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1901		2914
1902	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
1905		2918
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2921	undef $fh;
1909	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
1910		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1913	}	2930	}
1914	}	2931	}
1915		2932
1916	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
1918		2935
1919	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
1920		2937
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2938	$self->enter_link;
1931		2939
1932	(async {	2940	(async {
1933	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
1934	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
1935	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
1936		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
1937	1;	2979	1
1938	}) {	2980	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2985
1944	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	2987	$self->leave_link;
1946	}	2988	}
1947	})->prio (1);	2989	})->prio (1);
1948	}	2990	}
1949		2991
…		…
1960		3002
1961	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
1963		3005
1964	utf8::encode $text;	3006	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	3008	}
1967		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
		3197	=item $client->ext_msg ($type, @msg)
		3198
		3199	Sends an ext event to the client.
		3200
		3201	=cut
		3202
		3203	sub cf::client::ext_msg($$@) {
		3204	my ($self, $type, @msg) = @_;
		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
		3209	push @msg, msgtype => "event_$type";
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
		3230	}
1968		3231
1969	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
1970		3233
1971	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3237
1975	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3239	become reliable at some point in the future.
1977		3240
1978	=cut	3241	=cut
1979		3242
1980	sub cf::client::query {	3243	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3252	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3254
1992	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
1994	}	3259	}
1995		3260
1996	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
1997	on_reply => sub {	3267	on_reply => sub {
1998	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
1999		3269
2000	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2001	# get handled first	3271	# get handled first
2002	my $queue = delete $ns->{query_queue}	3272	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3273	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3274
2005	(shift @$queue)->[1]->($msg);	3275	(shift @$queue)->[1]->($msg);
		3276	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3277
2007	push @{ $ns->{query_queue} }, @$queue;	3278	push @{ $ns->{query_queue} }, @$queue;
2008		3279
2009	if (@{ $ns->{query_queue} } == @$queue) {	3280	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3281	if (@$queue) {
…		…
2012	} else {	3283	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3285	}
2015	}	3286	}
2016	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		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	},
2017	);	3314	);
2018		3315
2019	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2020		3317
2021	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3334
2038	$coro	3335	$coro
2039	}	3336	}
2040		3337
2041	cf::client->attach (	3338	cf::client->attach (
2042	on_destroy => sub {	3339	on_client_destroy => sub {
2043	my ($ns) = @_;	3340	my ($ns) = @_;
2044		3341
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3343	},
2047	);	3344	);
…		…
2062	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2064		3361
2065	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2066		3363
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2068		3369
2069	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2070		3371
2071	=pod	3372	=pod
2072		3373
2073	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2074		3375
2075	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2076	cf::object::player player	3381	cf::object::player
2077	cf::player peaceful	3382	player
2078	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2079		3389
2080	=cut	3390	=cut
2081		3391
2082	for (	3392	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2087	) {	3399	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3402	for @funs;
2092	}	3403	}
2093		3404
…		…
2108		3419
2109	my $qcode = $code;	3420	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2112		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2113	local $_;	3427	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3428
2116	my $eval =	3429	my $eval =
2117	"do {\n"	3430	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3433	. $code
2121	. "\n}"	3434	. "\n}"
2122	;	3435	;
2123		3436
		3437	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2127		3446
2128	if ($@) {	3447	if ($@) {
2129	warn "$@";	3448	warn "$@",
2130	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2132	}	3451	}
2133		3452
2134	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2135	}	3454	}
2136		3455
…		…
2150	=cut	3469	=cut
2151		3470
2152	sub register_script_function {	3471	sub register_script_function {
2153	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2154		3473
2155	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2157	}	3476	}
2158		3477
2159	=back	3478	=back
2160		3479
2161	=cut	3480	=cut
2162		3481
2163	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2164		3484
2165	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2166		3487
2167	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2169	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3491
2171	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3493
2174	=over 4	3494	trace "loading facedata from $path\n";
2175		3495
2176	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2177		3497
2178	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2179	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2180	C<cf::db_sync>.
2181		3500
2182	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2183		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2184	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2185		3504	type => FT_RSRC,
2186	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2187		3506	hash => (Digest::MD5::md5 $exp_table),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3507	};
		3508	cf::cede_to_tick;
2214		3509
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2226		3512
2227	my $dirty;	3513	while (my ($face, $info) = each %$faces) {
		3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3515
2229	sub db_sync() {	3516	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2233		3521
2234	my $idle = Event->idle (	3522	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3523	}
2268	);
2269	}
2270		3524
2271	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3526	next unless $info->{smooth};
2273		3527
2274	sub cfg_load {	3528	my $idx = cf::face::find $face
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2276	or return;
2277		3530
2278	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2279	*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	}
2280		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 $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
		3572	1
		3573	}
		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
		3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
		3605	}
		3606
		3607	sub reload_facedata {
		3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
		3611
		3612	sub reload_archetypes {
		3613	load_resource_file "$DATADIR/archetypes"
		3614	or die "unable to load archetypes\n";
		3615	}
		3616
		3617	sub reload_treasures {
		3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
		3642	sub reload_resources {
		3643	trace "reloading resource files...\n";
		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
		3650	reload_regions;
		3651	reload_treasures;
		3652
		3653	trace "finished reloading resource files\n";
		3654	}
		3655
		3656	sub reload_config {
		3657	trace "reloading config file...\n";
		3658
		3659	my $config = load_file "$CONFDIR/config";
		3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
		3662
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3664
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3667
2286	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2290	};	3672	};
2291	warn $@ if $@;	3673	warn $@ if $@;
2292	}	3674	}
2293	}	3675	}
2294		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2295	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2296	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3718	(async {
2300	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2302	};	3722	};
2303		3723
2304	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
		3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2306	load_extensions;	3747	load_extensions;
2307		3748
2308	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2310	}	3767	}
2311		3768
2312	#############################################################################	3769	#############################################################################
2313	# initialisation and cleanup	3770	# initialisation and cleanup
2314		3771
2315	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2316	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2325	},
2326	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2327	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2328	}	3868	}
2329		3869
2330	sub emergency_save() {	3870	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2332		3872
2333	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2334		3879
2335	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2336	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3891	$pl->save;
2344	}	3892	}
2345	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2346		3894
2347	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3900	$map->valid or next;
2351	$map->save;	3901	$map->save;
2352	}	3902	}
2353	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
		3904
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
		3908	BDB::db_env_txn_checkpoint $DB_ENV;
		3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3933	};
2355		3934
2356	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2357	}	3936	}
2358		3937
		3938	sub post_cleanup {
		3939	my ($make_core) = @_;
		3940
		3941	IO::AIO::flush;
		3942
		3943	error Carp::longmess "post_cleanup backtrace"
		3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
		3973	}
		3974
2359	sub reload() {	3975	sub do_reload_perl() {
2360	# can/must only be called in main	3976	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2362	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2363	return;	3979	return;
2364	}	3980	}
2365		3981
2366	warn "reloading...";	3982	return if $RELOAD++;
2367		3983
2368	warn "cancelling server ticker";	3984	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
		3992	cf::sync_job {
2371	cf::emergency_save;	3993	#cf::emergency_save;
2372		3994
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3997	%EXT_CORO = ();
2395		3998
2396	warn "removing commands";	3999	trace "perl_reload: removing commands";
2397	%COMMAND = ();	4000	%COMMAND = ();
2398		4001
2399	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2400	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2401		4005
2402	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2405		4009
2406	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2407	eval {	4011	eval {
2408	$cb->($pkg);	4012	$cb->($pkg);
2409	1	4013	1
2410	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2411	}	4019	}
2412		4020
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		4024
2421	warn "... unloading $k";	4025	trace "... unloading $k";
2422	delete $INC{$k};	4026	delete $INC{$k};
2423		4027
2424	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2426		4030
2427	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2429	}	4036	}
2430		4037
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		4041
2438	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		4045
2441	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2442	# and global variables created in xs	4047	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2444		4049
2445	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2446		4051
2447	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2448	require cf;	4053	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2450		4055
2451	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2452	cf::cfg_load;	4057	cf::reload_config;
2453	cf::db_load;
2454		4058
2455	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4060	cf::load_extensions;
2457		4061
		4062	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4064	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
		4067	trace "perl_reload: reattaching attachments to players";
		4068	reattach $_ for values %PLAYER;
		4069	}
2462		4070
2463	warn "restarting server ticker";	4071	cf::_post_init 1;
2464		4072
2465	$TICK_WATCHER->start;	4073	trace "perl_reload: leaving sync_job";
		4074
		4075	1
		4076	} or do {
		4077	error $@;
		4078	cf::cleanup "perl_reload: error, exiting.";
		4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2466	};	4101	};
2467		4102	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4103
2479	register_command "reload" => sub {	4104	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2481		4106
2482	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
2484		4109	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4110	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4111	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4112	};
2497	}	4113	}
2498	};	4114	};
2499		4115
2500	unshift @INC, $LIBDIR;	4116	#############################################################################
2501		4117
2502	my $bug_warning = 0;	4118	my $bug_warning = 0;
2503		4119
2504	$TICK_WATCHER = Event->timer (	4120	sub wait_for_tick() {
2505	reentrant => 0,	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2506	parked => 1,	4122
2507	prio => 0,	4123	$WAIT_FOR_TICK->wait;
2508	at => $NEXT_TICK || $TICK,	4124	}
2509	data => WF_AUTOCANCEL,	4125
2510	cb => sub {	4126	sub wait_for_tick_begin() {
		4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4128
		4129	my $signal = new Coro::Signal;
		4130	push @WAIT_FOR_TICK_BEGIN, $signal;
		4131	$signal->wait;
		4132	}
		4133
		4134	sub tick {
2511	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2514	return;	4138	return;
		4139	}
		4140
		4141	cf::one_tick; # one server iteration
		4142
		4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4144
		4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
		4149	write_runtime_sync
		4150	or error "ERROR: unable to write runtime file: $!";
2515	}	4151	};
		4152	}
2516		4153
2517	$NOW = Event::time;	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518		4155	$sig->send;
2519	cf::server_tick; # one server iteration	4156	}
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522
2523	$WAIT_FOR_TICK->broadcast;	4157	$WAIT_FOR_TICK->broadcast;
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4158
2526	Event::sweep;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2527	Coro::cede_notself;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4161
		4162	if (0) {
		4163	if ($NEXT_TICK) {
		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
2528		4167	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4168	}
2538	);	4169	}
2539		4170
		4171	{
		4172	# configure BDB
		4173
		4174	BDB::min_parallel 16;
		4175	BDB::max_poll_reqs $TICK * 0.1;
		4176	$AnyEvent::BDB::WATCHER->priority (1);
		4177
		4178	unless ($DB_ENV) {
		4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4185
		4186	cf::sync_job {
		4187	eval {
		4188	BDB::db_env_open
		4189	$DB_ENV,
		4190	$BDBDIR,
		4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4193	0666;
		4194
		4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4196	};
		4197
		4198	cf::cleanup "db_env_open(db): $@" if $@;
		4199	};
		4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
		4211	}
		4212
		4213	{
		4214	# configure IO::AIO
		4215
		4216	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
		4218	undef $AnyEvent::AIO::WATCHER;
		4219	}
2541		4220
2542	undef $Coro::AIO::WATCHER;	4221	our $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (	4222	our $_log_backtrace_last;
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4223
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4224	sub _log_backtrace {
2553	reentrant => 0,	4225	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4226
2555	after => 1,	4227	$msg =~ s/\n$//;
2556	interval => 10,	4228
2557	prio => 6, # keep it lowest so it acts like a watchdog	4229	if ($_log_backtrace_last eq $msg) {
2558	cb => Coro::unblock_sub {	4230	LOG llevInfo, "[ABT] $msg\n";
2559	write_runtime	4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560	or warn "ERROR: unable to write runtime file: $!";	4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
		4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561	},	4265	}
2562	);	4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2563		4271
2564	END { cf::emergency_save }	4272	END { cf::emergency_save }
2565		4273
2566	1	4274	1
2567		4275

Diff Legend

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