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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
95	binmode STDOUT;	160	binmode STDOUT;
96	binmode STDERR;	161	binmode STDERR;
97		162
98	# read virtual server time, if available	163	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
103	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
104		171
105	mkdir $_	172	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		174
108	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
109		176
110	sub cf::map::normalise;	177	sub cf::map::normalise;
111		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
112	#############################################################################	183	#############################################################################
113		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
114	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
115		197
116	=over 4	198	=over 4
117		199
118	=item $cf::UPTIME	200	=item $cf::UPTIME
119		201
120	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.
121		218
122	=item $cf::RUNTIME	219	=item $cf::RUNTIME
123		220
124	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
125	every server tick.	222	every server tick.
…		…
131	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
134	database environment.	231	database environment.
135		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
136	=item $cf::NOW	239	=item $cf::LOAD
137		240
138	The time of the last (current) server tick.	241	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		242
144	=item %cf::CFG	243	=item %cf::CFG
145		244
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	246	from wherever your confdir points to.
148		247
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		249
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
		282
155	=back	283	=back
156		284
157	=cut	285	=cut
158		286
159	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	294	my $msg = join "", @_;
162		295
163	$msg .= "\n"	296	$msg .= "\n"
164	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
165		298
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		300
168	utf8::encode $msg;
169	LOG llevError, $msg;	301	LOG llevWarn, $msg;
170	};	302	};
171	}	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	};
172		317
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		325
180	# 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
181	# within the Safe compartment.	327	# within the Safe compartment.
182	for my $pkg (qw(	328	for my $pkg (qw(
183	cf::global cf::attachable	329	cf::global cf::attachable
184	cf::object cf::object::player	330	cf::object cf::object::player
185	cf::client cf::player	331	cf::client cf::player
186	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
187	cf::map cf::party cf::region	334	cf::party cf::region
188	)) {	335	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	337	}
192		338
193	$Event::DIED = sub {	339	$EV::DIED = sub {
194	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
195	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
196		349
197	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
198		351
199	=over 4	352	=over 4
200		353
…		…
219	$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;
220	$d	373	$d
221	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
222	}	375	}
223		376
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
225		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
226	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
227		392
228	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
229		394
230	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
231		396
232	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
233		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		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	}
		466	}
		467
234	=item cf::lock_wait $string	468	=item cf::lock_wait $string
235		469
236	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
237		471
238	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
239		473
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
243	returned.	477	returned.
244		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
245	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
246	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
247		484
248	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
249		486
250	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
251		488
252	=cut	489	=cut
253		490
254	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
255		492
256	sub lock_wait($) {	493	sub lock_wait($) {
257	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	495	}
265		496
266	sub lock_acquire($) {	497	sub lock_acquire($) {
267	my ($key) = @_;	498	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	499	}
279		500
280	sub lock_active($) {	501	sub lock_active($) {
281	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	503	}
285		504
286	sub freeze_mainloop {	505	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
288		507
289	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	509	}
		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	}
291	};	578	}
292	$TICK_WATCHER->stop;	579	};
293	$guard	580
		581	sub get_slot($;$$) {
		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;
294	}	594	}
295		595
296	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
297		597
298	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		603
304	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
305		605
306	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
307		607
308	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
309	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
310	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.
311		612
312	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
313	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
314	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
315	fast or be very important.	616	fast or be very important.
…		…
317	=cut	618	=cut
318		619
319	sub sync_job(&) {	620	sub sync_job(&) {
320	my ($job) = @_;	621	my ($job) = @_;
321		622
322	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
323	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
325		628
326	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	630
328	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
329		632
330	my $busy = 1;	633	my $busy = 1;
331	my @res;	634	my @res;
332		635
333	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	638	@res = eval { $job->() };
335	warn $@ if $@;	639	error $@ if $@;
336	undef $busy;	640	undef $busy;
337	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
338		642
339	while ($busy) {	643	while ($busy) {
340	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
341	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
342		654
343	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
344	} else {	656	} else {
345	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
346		658
…		…
366	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
367		679
368	$coro	680	$coro
369	}	681	}
370		682
371	sub write_runtime {	683	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		684
374	my $runtime = "$LOCALDIR/runtime";	685	Executes the given code block with the given arguments in a seperate
		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.
375		689
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
377	or return;
378		691
379	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
381	# 60 allows for the watchdog to kill the server.	694	}
382		695
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
384	and return;	697	my ($cb, @args) = @_;
385		698
386	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
388	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
389		702
390	close $fh	703	my @res = Coro::Util::fork_eval {
391	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
392		707
393	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
394	and return;	709	}
395		710
		711	sub objinfo {
396	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"
397	}	875	}
398		876
399	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
400		878
401	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
402		880
403	=cut	881	=cut
404		882
405	sub datalog($@) {	883	sub datalog($@) {
406	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	886	}
409		887
410	=back	888	=back
411		889
412	=cut	890	=cut
413		891
414	#############################################################################	892	#############################################################################
415		893
416	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
417		895
418	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
419	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")
420	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
421		899
422	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>
423	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
424	crossfire+).	902	Deliantra).
425		903
426	=over 4	904	=over 4
427		905
428	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
429		907
…		…
473	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
474		952
475	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
476	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
477		955
478	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		958
481	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
482		960
483	=over 4	961	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
593		1071
594	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1076
599	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
601		1079
602	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
607		1085
608	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1088
611	} elsif (ref $type) {	1089	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
613		1091
614	} else {	1092	} else {
615	shift @arg;	1093	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
617	}	1095	}
618	}	1096	}
619	}	1097	}
620		1098
621	sub _object_attach {	1099	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
632	}	1110	}
633		1111
634	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
635	} else {	1113	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1115	}
638		1116
639	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
640	}	1118	}
641		1119
…		…
643	if (ref $_[0]) {	1121	if (ref $_[0]) {
644	_object_attach @_;	1122	_object_attach @_;
645	} else {	1123	} else {
646	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
647	}	1125	}
		1126	_recalc_want;
648	};	1127	};
649		1128
650	# all those should be optimised	1129	# all those should be optimised
651	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1135	reattach ($obj);
657	} else {	1136	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
659	}	1138	}
		1139	_recalc_want;
660	};	1140	};
661		1141
662	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
664		1144
…		…
679	";	1159	";
680	die if $@;	1160	die if $@;
681	}	1161	}
682		1162
683	our $override;	1163	our $override;
684	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?
685		1165
686	sub override {	1166	sub override {
687	$override = 1;	1167	$override = 1;
688	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
689	}	1169	}
690		1170
691	sub do_invoke {	1171	sub do_invoke {
692	my $event = shift;	1172	my $event = shift;
693	my $callbacks = shift;	1173	my $callbacks = shift;
694		1174
695	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
696		1176
697	local $override;	1177	local $override;
698		1178
699	for (@$callbacks) {	1179	for (@$callbacks) {
700	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
701		1181
702	if ($@) {	1182	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1184	override;
706	}	1185	}
707		1186
708	return 1 if $override;	1187	return 1 if $override;
709	}	1188	}
710		1189
711	0	1190	0
712	}	1191	}
713		1192
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1194
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1196
718	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
719		1198
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1202
724	=back	1203	=back
725		1204
726	=cut	1205	=cut
727		1206
728	#############################################################################	1207	#############################################################################
729	# 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	}
730		1251
731	sub reattach {	1252	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1254	my ($obj) = @_;
734		1255
		1256	# no longer needed after getting rid of delete_package?
735	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
736		1258
737	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
738		1260
739	@$registry = ();	1261	@$registry = ();
740		1262
…		…
745	for (@$attach) {	1267	for (@$attach) {
746	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
748	}	1270	}
749	} else {	1271	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1273	}
752	}	1274	}
753	}	1275	}
754		1276
755	cf::attachable->attach (	1277	cf::attachable->attach (
756	prio => -1000000,	1278	prio => -1000000,
757	on_instantiate => sub {	1279	on_instantiate => sub {
758	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
759		1281
760	$data = from_json $data;	1282	$data = decode_json $data;
761		1283
762	for (@$data) {	1284	for (@$data) {
763	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
764		1286
765	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1303	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
783		1305
784	sync_job {	1306	sync_job {
785	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
788		1312
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	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;
		1318	aio_fsync $fh;
		1319	}
793	close $fh;	1320	aio_close $fh;
794		1321
795	if (@$objs) {	1322	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	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;
		1329	aio_fsync $fh;
		1330	}
801	close $fh;	1331	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
803	}	1333	}
804	} else {	1334	} else {
805	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
806	}	1336	}
807		1337
808	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1342	} else {
810	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
811	}	1344	}
812	} else {	1345	} else {
813	aio_unlink $filename;	1346	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
815	}	1348	}
816	}	1349	};
817	}	1350	}
818		1351
819	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
821		1354
…		…
833	or return;	1366	or return;
834		1367
835	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
837	or return;	1370	or return;
		1371
838	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
839	}	1374	}
840		1375
		1376	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
843	return ($data, $av);	1381	($data, $av)
844	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
845		1389
846	#############################################################################	1390	#############################################################################
847	# command handling &c	1391	# command handling &c
848		1392
849	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1407	}
864		1408
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1410
867	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.
868		1416
869	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
870	called.	1418	called.
871		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
872	=cut	1431	=cut
873		1432
874	sub register_extcmd {	1433	sub register_extcmd {
875	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
876		1435
877	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
878	}	1437	}
879		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
880	cf::player->attach (	1447	cf::player->attach (
881	on_command => sub {	1448	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
883		1450
884	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
885	or return;	1452	or return;
886		1453
…		…
891	cf::override;	1458	cf::override;
892	},	1459	},
893	on_extcmd => sub {	1460	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
895		1462
896	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1464
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
904	} else {	1480	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1482	}
907		1483
908	cf::override;	1484	cf::override;
909	},	1485	},
910	);	1486	);
911		1487
		1488	# "readahead" all extensions
912	sub load_extension {	1489	sub cache_extensions {
913	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
914		1491
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1495	}
940	die $@;
941	}	1496	};
942		1497
943	push @EXTS, $pkg;	1498	$grp
944	}	1499	}
945		1500
946	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
947	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1508	next unless -r $path;
949	eval {	1509
950	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	}
951	1	1573	}
952	} 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	}
953	}	1586	};
954	}	1587	}
955		1588
956	#############################################################################	1589	#############################################################################
957		1590
		1591	=back
		1592
958	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
959		1594
960	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
961		1596
962	=cut	1597	=cut
963		1598
964	package cf::player;	1599	package cf::player;
965		1600
966	use Coro::AIO;	1601	use Coro::AIO;
967		1602
968	=head3 cf::player	1603	=head3 cf::player
969		1604
970	=over 4	1605	=over 4
		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	}
971		1620
972	=item cf::player::find $login	1621	=item cf::player::find $login
973		1622
974	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
975		1624
…		…
994		1643
995	sub exists($) {	1644	sub exists($) {
996	my ($login) = @_;	1645	my ($login) = @_;
997		1646
998	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1000	}	1649	}
1001		1650
1002	sub find($) {	1651	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1653	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1664
1016	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1019	}	1674	}
1020	}	1675	}
1021	}	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	);
1022		1690
1023	sub save($) {	1691	sub save($) {
1024	my ($pl) = @_;	1692	my ($pl) = @_;
1025		1693
1026	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1032		1700
1033	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1035		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
1036	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1037	Coro::cede;	1710	cf::cede_to_tick;
1038	}	1711	}
1039		1712
1040	sub new($) {	1713	sub new($) {
1041	my ($login) = @_;	1714	my ($login) = @_;
1042		1715
…		…
1048	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1049		1722
1050	$self	1723	$self
1051	}	1724	}
1052		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
1053	=item $pl->quit_character	1736	=item $pl->quit_character
1054		1737
1055	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
1056	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1057		1740
…		…
1061	my ($pl) = @_;	1744	my ($pl) = @_;
1062		1745
1063	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1064		1747
1065	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1066	$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
1067		1750
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1071	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1072		1759
1073	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1110	or return [];	1797	or return [];
1111		1798
1112	my @logins;	1799	my @logins;
1113		1800
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1118		1811
1119	utf8::decode $login;	1812	utf8::decode $login;
1120	push @logins, $login;	1813	push @logins, $login;
1121	}	1814	}
1122		1815
1123	\@logins	1816	\@logins
1124	}	1817	}
1125		1818
1126	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1127		1822
1128	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1129	player. May block.	1824	player. May block.
1130		1825
1131	=cut	1826	=cut
…		…
1149	}	1844	}
1150		1845
1151	\@paths	1846	\@paths
1152	}	1847	}
1153		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1154	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1155		1854
1156	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1157		1856
1158	=cut	1857	=cut
1159		1858
1160	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1162		1861
1163	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1863	}
1167		1864
1168	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1169		1866
1170	Sends an ext event to the client.	1867	Sends an ext event to the client.
1171		1868
1172	=cut	1869	=cut
1173		1870
1174	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1176		1873
1177	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1178	}	1875	}
1179		1876
1180	=head3 cf::region	1877	=head3 cf::region
1181		1878
1182	=over 4	1879	=over 4
…		…
1185		1882
1186	package cf::region;	1883	package cf::region;
1187		1884
1188	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1189		1886
1190	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1191		1888
1192	=cut	1889	=cut
1193		1890
1194	sub find_by_path($) {	1891	sub find_by_path($) {
1195	my ($path) = @_;	1892	my ($path) = @_;
1196		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1197	my ($match, $specificity);	1896	my ($match, $specificity);
1198		1897
1199	for my $region (list) {	1898	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1203	}	1902	}
1204	}	1903	}
1205		1904
…		…
1226	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1228		1927
1229	sub generate_random_map {	1928	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1232	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	1934	}
1246		1935
1247	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1248		1937
1249	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
…		…
1254		1943
1255	sub register {	1944	sub register {
1256	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1946	my $pkg = caller;
1258		1947
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1949
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1951	}
1264		1952
1265	# also paths starting with '/'	1953	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1955
1268	sub thawer_merge {	1956	sub thawer_merge {
1269	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1270		1958
1271	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1272	local $self->{path};	1960	local $self->{path};
1273	local $self->{load_path};	1961	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1962
1277	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1278	}	1964	}
1279		1965
1280	sub normalise {	1966	sub normalise {
1281	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1282		1968
1283	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1284		1970
1285	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1286		1972
1287	# map plan:	1973	# map plan:
1288	#	1974	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1990	$path = "$base/$path";
1305	}	1991	}
1306		1992
1307	for ($path) {	1993	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1311	}	1996	}
1312		1997
1313	$path	1998	$path
…		…
1327	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1328	return $self;	2013	return $self;
1329	}	2014	}
1330	}	2015	}
1331		2016
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2018	()
1334	}	2019	}
1335		2020
		2021	# may re-bless or do other evil things
1336	sub init {	2022	sub init {
1337	my ($self) = @_;	2023	my ($self) = @_;
1338		2024
1339	$self	2025	$self
1340	}	2026	}
…		…
1359		2045
1360	# the temporary/swap location	2046	# the temporary/swap location
1361	sub save_path {	2047	sub save_path {
1362	my ($self) = @_;	2048	my ($self) = @_;
1363		2049
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1366	}	2052	}
1367		2053
1368	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1369	sub uniq_path {	2055	sub uniq_path {
1370	my ($self) = @_;	2056	my ($self) = @_;
1371		2057
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1374	}	2060	}
1375		2061
1376	# and all this just because we cannot iterate over	2062	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2063	my ($self) = @_;
1380		2064
1381	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1383	}	2068	}
1384		2069
1385	sub unlink_save {	2070	sub unlink_save {
1386	my ($self) = @_;	2071	my ($self) = @_;
1387		2072
…		…
1392		2077
1393	sub load_header_from($) {	2078	sub load_header_from($) {
1394	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1395		2080
1396	utf8::encode $path;	2081	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2083	or return;
1402		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1403	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1404		2092
1405	1	2093	1
1406	}	2094	}
1407		2095
		2096	# used to laod the header of an original map
1408	sub load_header_orig {	2097	sub load_header_orig {
1409	my ($self) = @_;	2098	my ($self) = @_;
1410		2099
1411	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1412	}	2101	}
1413		2102
		2103	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2104	sub load_header_temp {
1415	my ($self) = @_;	2105	my ($self) = @_;
1416		2106
1417	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1418	}	2108	}
1419		2109
		2110	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2111	sub prepare_temp {
1421	my ($self) = @_;	2112	my ($self) = @_;
1422		2113
1423	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1425	# safety	2116	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2119	}
1429		2120
		2121	# called after loading the header from an original map
1430	sub prepare_orig {	2122	sub prepare_orig {
1431	my ($self) = @_;	2123	my ($self) = @_;
1432		2124
1433	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2137	$self->load_header_orig
1446	or return;	2138	or return;
1447	$self->prepare_orig;	2139	$self->prepare_orig;
1448	}	2140	}
1449		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1450	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2146	unless $self->default_region;
1452		2147
1453	1	2148	1
1454	}	2149	}
1455		2150
1456	sub find;	2151	sub find;
1457	sub find {	2152	sub find {
1458	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1459		2154
		2155	cf::cede_to_tick;
		2156
1460	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1461		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2161
1464	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1467	or return;	2164	or return;
1468		2165
1469	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1470		2167
1471	$map->load_header	2168	$map->load_header
1472	or return;	2169	or return;
1473		2170
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1477	$map->reset;	2176	$map->reset;
1478	undef $guard;
1479	return find $path;	2177	return find $path;
1480	}	2178	}
1481		2179
1482	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1483	}	2181	}
1484	}	2182	}
1485		2183
1486	sub pre_load { }	2184	sub pre_load { }
1487	sub post_load { }	2185	#sub post_load { } # XS
1488		2186
1489	sub load {	2187	sub load {
1490	my ($self) = @_;	2188	my ($self) = @_;
1491		2189
1492	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1493		2191
1494	my $path = $self->{path};	2192	my $path = $self->{path};
1495		2193
1496	{	2194	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1498		2196
		2197	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1500
1501	$self->in_memory (cf::MAP_LOADING);
1502		2199
1503	$self->alloc;	2200	$self->alloc;
1504		2201
1505	$self->pre_load;	2202	$self->pre_load;
1506	Coro::cede;	2203	cf::cede_to_tick;
1507		2204
1508	$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)
1509	or return;	2209	or return;
1510		2210
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1512	if delete $self->{load_original};	2212	if delete $self->{load_original};
1513		2213
1514	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2215	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2218	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1519	}	2223	}
1520	}
1521		2224
1522	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1523	# now do the right thing for maps	2234	# now do the right thing for maps
1524	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2237	unless $self->difficulty;
1527	Coro::cede;	2238	cf::cede_to_tick;
1528		2239
1529	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2241	$self->decay_objects;
1531	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1532	$self->update_buttons;	2243	$self->update_buttons;
1533	Coro::cede;	2244	$self->post_load_physics;
1534	$self->set_darkness_map;	2245	cf::cede_to_tick;
1535	Coro::cede;	2246	#$self->activate; # no longer activate maps automatically
1536	$self->activate;
1537	}	2247	}
1538		2248
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1540	}	2251	}
1541		2252
1542	$self->post_load;	2253	$self->post_load;
1543	}
1544		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2261	sub customise_for {
1546	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1547		2263
1548	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2265	if $self->per_player;
1550		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1551	$self	2270	$self
1552	}	2271	}
1553		2272
1554	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2274	sub load_neighbours {
1556	my ($map) = @_;	2275	my ($map) = @_;
1557		2276
1558	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1559		2278
1560	for (0 .. 3) {	2279	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1562	or next;	2281	or next;
1563	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1564	or next;	2283	or next;
1565	$neigh->load;	2284	$neigh->load;
1566		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2290	}
1570		2291
1571	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1573	or next;	2295	or next;
1574	$neigh->load;	2296	$neigh->load;
1575	}	2297	}
1576	}	2298	}
1577		2299
1578	sub find_sync {	2300	sub find_sync {
1579	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1580		2302
1581	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1582	}	2308	}
1583		2309
1584	sub do_load_sync {	2310	sub do_load_sync {
1585	my ($map) = @_;	2311	my ($map) = @_;
1586		2312
1587	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1588	}	2318	}
1589		2319
1590	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1592		2322
1593	sub find_async {	2323	sub find_async {
1594	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1595		2325
1596	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1597		2327
1598	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1600	}	2330	}
1601		2331
1602	undef $MAP_PREFETCH{$path};	2332	$MAP_PREFETCH{$path} |= $load;
		2333
1603	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1604	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2339	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2340	$map->load if $v;
		2341	}
1609		2342
1610	delete $MAP_PREFETCH{$path};	2343	delete $MAP_PREFETCH{$k};
1611	}	2344	}
1612	}	2345	}
1613	undef $MAP_PREFETCHER;	2346	undef $MAP_PREFETCHER;
1614	};	2347	};
1615	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1616		2349
1617	()	2350	()
1618	}	2351	}
1619		2352
		2353	# common code, used by both ->save and ->swapout
1620	sub save {	2354	sub _save {
1621	my ($self) = @_;	2355	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2356
1625	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1626		2358
1627	return unless $self->dirty;	2359	return unless $self->dirty;
1628		2360
…		…
1634	return if $self->{deny_save};	2366	return if $self->{deny_save};
1635		2367
1636	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1637		2369
1638	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
1640	};	2373	};
		2374
		2375	cf::get_slot 0.02;
1641		2376
1642	if ($uniq) {	2377	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2380	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2382	}
1648	}	2383	}
1649		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
1650	sub swap_out {	2393	sub swap_out {
1651	my ($self) = @_;	2394	my ($self) = @_;
1652		2395
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
1658	return if $self->players;	2400	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
1662	$self->clear;	2411	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2412	}
1665		2413
1666	sub reset_at {	2414	sub reset_at {
1667	my ($self) = @_;	2415	my ($self) = @_;
1668		2416
1669	# TODO: safety, remove and allow resettable per-player maps	2417	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2418	return 1e99 if $self->{deny_reset};
1672		2419
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2422
…		…
1686	my ($self) = @_;	2433	my ($self) = @_;
1687		2434
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2436
1690	return if $self->players;	2437	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2438
1693	warn "resetting map ", $self->path;#d#	2439	cf::trace "resetting map ", $self->path, "\n";
1694		2440
1695	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
1696		2442
1697	# need to save uniques path	2443	# need to save uniques path
1698	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
1699	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
1700		2446
…		…
1702	if $uniq;	2448	if $uniq;
1703	}	2449	}
1704		2450
1705	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
1706		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2455	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2456
1711	$self->unlink_save;	2457	$self->unlink_save;
1712	$self->destroy;	2458	$self->destroy;
1713	}	2459	}
1714		2460
1715	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
1716		2462
1717	sub nuke {	2463	sub nuke {
1718	my ($self) = @_;	2464	my ($self) = @_;
1719		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
1720	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
1721		2470
1722	$self->unlink_save;	2471	$self->unlink_save;
1723		2472
1724	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2478
1730	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
1731		2481
1732	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
		2483	}
		2484
		2485	=item $maps = cf::map::tmp_maps
		2486
		2487	Returns an arrayref with all map paths of currently instantiated and saved
		2488	maps. May block.
		2489
		2490	=cut
		2491
		2492	sub tmp_maps() {
		2493	[
		2494	map {
		2495	utf8::decode $_;
		2496	/\.map$/
		2497	? normalise $_
		2498	: ()
		2499	} @{ aio_readdir $TMPDIR or [] }
		2500	]
		2501	}
		2502
		2503	=item $maps = cf::map::random_maps
		2504
		2505	Returns an arrayref with all map paths of currently instantiated and saved
		2506	random maps. May block.
		2507
		2508	=cut
		2509
		2510	sub random_maps() {
		2511	[
		2512	map {
		2513	utf8::decode $_;
		2514	/\.map$/
		2515	? normalise "?random/$_"
		2516	: ()
		2517	} @{ aio_readdir $RANDOMDIR or [] }
		2518	]
1733	}	2519	}
1734		2520
1735	=item cf::map::unique_maps	2521	=item cf::map::unique_maps
1736		2522
1737	Returns an arrayref of paths of all shared maps that have	2523	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2524	instantiated unique items. May block.
1739		2525
1740	=cut	2526	=cut
1741		2527
1742	sub unique_maps() {	2528	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2529	[
1744	or return;	2530	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2531	utf8::decode $_;
1750	next if /\.pst$/;	2532	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2534	? ()
1753	push @paths, cf::map::normalise $_;	2535	: normalise $_
		2536	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2537	]
1755
1756	\@paths
1757	}	2538	}
1758		2539
1759	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
1760		2571
1761	=back	2572	=back
1762		2573
1763	=head3 cf::object	2574	=head3 cf::object
1764		2575
…		…
1768		2579
1769	=over 4	2580	=over 4
1770		2581
1771	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
1772		2583
1773	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
1774		2586
1775	=cut	2587	=cut
1776		2588
1777	sub inv_recursive_;	2589	sub inv_recursive_;
1778	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
1781		2593
1782	sub inv_recursive {	2594	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
1784	}	2596	}
1785		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
1786	package cf;	2626	package cf;
1787		2627
1788	=back	2628	=back
1789		2629
1790	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
1799		2639
1800	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
1801		2655
1802	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2657	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
1807		2661
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2662	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2663
1810	if ($self->{record_replies}) {	2664	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2665	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2666
1812	} else {	2667	} else {
		2668	my $pl = $self->contr;
		2669
		2670	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2671	my $dialog = $pl->{npc_dialog};
		2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2673
		2674	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2677	}
1815	}	2678	}
		2679	}
		2680
		2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2682
		2683	=cut
		2684
		2685	sub cf::object::send_msg {
		2686	my $pl = shift->contr
		2687	or return;
		2688	$pl->send_msg (@_);
1816	}	2689	}
1817		2690
1818	=item $player_object->may ("access")	2691	=item $player_object->may ("access")
1819		2692
1820	Returns wether the given player is authorized to access resource "access"	2693	Returns wether the given player is authorized to access resource "access"
…		…
1833		2706
1834	=item $player_object->enter_link	2707	=item $player_object->enter_link
1835		2708
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2710
1838	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
1840		2715
1841	Will never block.	2716	Will never block.
1842		2717
1843	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
1844		2719
…		…
1864	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2740	my ($self) = @_;
1866		2741
1867	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
1868		2743
		2744	++$self->{_link_recursion};
		2745
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2747
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2749	if $self->map && $self->map->{path} ne "{link}";
1873		2750
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2752	}
1876		2753
1877	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
		2756
		2757	return unless $self->contr->active;
1879		2758
1880	my $link_pos = delete $self->{_link_pos};	2759	my $link_pos = delete $self->{_link_pos};
1881		2760
1882	unless ($map) {	2761	unless ($map) {
1883	# restore original map position	2762	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
1896		2775
1897	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
1900		2779
1901	$map->load;	2780	$map->load;
1902	$map->load_diag;	2781	$map->load_neighbours;
1903		2782
1904	return unless $self->contr->active;	2783	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2784
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
1909	}	2787	# entering was successful
1910		2788	delete $self->{_link_recursion};
1911	cf::player->attach (	2789	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2790	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2791	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2792
1925	# try to abort aborted map switching on player login :)	2793	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2794
1943	=item $player_object->goto ($path, $x, $y)	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2796
		2797	Moves the player to the given map-path and coordinates by first freezing
		2798	her, loading and preparing them map, calling the provided $check callback
		2799	that has to return the map if sucecssful, and then unfreezes the player on
		2800	the new (success) or old (failed) map position. In either case, $done will
		2801	be called at the end of this process.
		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
1945	=cut	2806	=cut
		2807
		2808	our $GOTOGEN;
1946		2809
1947	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
		2819	# do generation counting so two concurrent goto's will be executed in-order
		2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2821
1950	$self->enter_link;	2822	$self->enter_link;
1951		2823
1952	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
1953	my $map = eval {	2846	my $map = eval {
1954	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2848
		2849	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2850	$map = $map->customise_for ($self);
		2851	$map = $check->($map, $x, $y, $self) if $check && $map;
		2852	} else {
		2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2854	}
		2855
1956	$map	2856	$map
		2857	};
		2858
		2859	if ($@) {
		2860	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2861	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2862	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2863
		2864	if ($gen == $self->{_goto_generation}) {
		2865	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
		2867	}
		2868
		2869	$done->($self) if $done;
1961	})->prio (1);	2870	})->prio (1);
1962	}	2871	}
1963		2872
1964	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
1965		2874
…		…
1985	}	2894	}
1986		2895
1987	sub prepare_random_map {	2896	sub prepare_random_map {
1988	my ($exit) = @_;	2897	my ($exit) = @_;
1989		2898
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2901	# that depends on the exit object
1995		2902
1996	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2905	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
2003	}	2912	}
2004		2913
2005	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
2006		2915
2007	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
2010		2919
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2922	undef $fh;
2014	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
2015		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
2018	}	2931	}
2019	}	2932	}
2020		2933
2021	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
2023		2936
2024	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
2025		2938
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2939	$self->enter_link;
2038		2940
2039	(async {	2941	(async {
2040	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
2041	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
2042	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
2043		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
2044	1;	2980	1
2045	}) {	2981	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2986
2051	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2988	$self->leave_link;
2053	}	2989	}
2054	})->prio (1);	2990	})->prio (1);
2055	}	2991	}
2056		2992
…		…
2070		3006
2071	utf8::encode $text;	3007	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	3009	}
2074		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
		3034	}
		3035
		3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3037
		3038	Send a drawinfo or msg packet to the client, formatting the msg for the
		3039	client if neccessary. C<$type> should be a string identifying the type of
		3040	the message, with C<log> being the default. If C<$color> is negative, suppress
		3041	the message unless the client supports the msg packet.
		3042
		3043	=cut
		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
		3159	sub cf::client::send_msg {
		3160	my ($self, $channel, $msg, $color, @extra) = @_;
		3161
		3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
		3164
		3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
		3174	} elsif (ref $channel) {
		3175	# send meta info to client, if not yet sent
		3176	unless (exists $self->{channel}{$channel->{id}}) {
		3177	$self->{channel}{$channel->{id}} = $channel;
		3178	$self->ext_msg (channel_info => $channel);
		3179	}
		3180
		3181	$channel = $channel->{id};
		3182	}
		3183
		3184	return unless @extra || length $msg;
		3185
		3186	# default colour, mask it out
		3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3188	if $color & cf::NDI_DEF;
		3189
		3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
		3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3193	);
		3194
		3195	$self->send_big_packet ($pkt);
		3196	}
		3197
2075	=item $client->ext_event ($type, %msg)	3198	=item $client->ext_msg ($type, @msg)
2076		3199
2077	Sends an exti event to the client.	3200	Sends an ext event to the client.
2078		3201
2079	=cut	3202	=cut
2080		3203
2081	sub cf::client::ext_event($$%) {	3204	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3205	my ($self, $type, @msg) = @_;
2083		3206
		3207	if ($self->extcmd == 2) {
		3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3209	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3210	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3212	}
		3213	}
		3214
		3215	=item $client->ext_reply ($msgid, @msg)
		3216
		3217	Sends an ext reply to the client.
		3218
		3219	=cut
		3220
		3221	sub cf::client::ext_reply($$@) {
		3222	my ($self, $id, @msg) = @_;
		3223
		3224	if ($self->extcmd == 2) {
		3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3226	} elsif ($self->extcmd == 1) {
		3227	#TODO: version 1, remove
		3228	unshift @msg, msgtype => "reply", msgid => $id;
		3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3230	}
2086	}	3231	}
2087		3232
2088	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
2089		3234
2090	Queues a query to the client, calling the given callback with	3235	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3236	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3237	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3238
2094	Queries can fail, so check the return code. Or don't, as queries will become	3239	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3240	become reliable at some point in the future.
2096		3241
2097	=cut	3242	=cut
2098		3243
2099	sub cf::client::query {	3244	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3245	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3253	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3254	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3255
2111	$self->send_packet ($self->{query_queue}[0][0])	3256	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3257	if @{ $self->{query_queue} } == 1;
		3258
		3259	1
2113	}	3260	}
2114		3261
2115	cf::client->attach (	3262	cf::client->attach (
		3263	on_connect => sub {
		3264	my ($ns) = @_;
		3265
		3266	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3267	},
2116	on_reply => sub {	3268	on_reply => sub {
2117	my ($ns, $msg) = @_;	3269	my ($ns, $msg) = @_;
2118		3270
2119	# this weird shuffling is so that direct followup queries	3271	# this weird shuffling is so that direct followup queries
2120	# get handled first	3272	# get handled first
…		…
2132	} else {	3284	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3285	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3286	}
2135	}	3287	}
2136	},	3288	},
		3289	on_exticmd => sub {
		3290	my ($ns, $buf) = @_;
		3291
		3292	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3293
		3294	if (ref $msg) {
		3295	my ($type, $reply, @payload) =
		3296	"ARRAY" eq ref $msg
		3297	? @$msg
		3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3299
		3300	my @reply;
		3301
		3302	if (my $cb = $EXTICMD{$type}) {
		3303	@reply = $cb->($ns, @payload);
		3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
		3309	} else {
		3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3311	}
		3312
		3313	cf::override;
		3314	},
2137	);	3315	);
2138		3316
2139	=item $client->async (\&cb)	3317	=item $client->async (\&cb)
2140		3318
2141	Create a new coroutine, running the specified callback. The coroutine will	3319	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3335
2158	$coro	3336	$coro
2159	}	3337	}
2160		3338
2161	cf::client->attach (	3339	cf::client->attach (
2162	on_destroy => sub {	3340	on_client_destroy => sub {
2163	my ($ns) = @_;	3341	my ($ns) = @_;
2164		3342
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3344	},
2167	);	3345	);
…		…
2182	our $safe = new Safe "safe";	3360	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2184		3362
2185	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2186		3364
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3365	$safe->permit_only (Opcode::opset qw(
		3366	:base_core :base_mem :base_orig :base_math :base_loop
		3367	grepstart grepwhile mapstart mapwhile
		3368	sort time
		3369	));
2188		3370
2189	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
2190		3372
2191	=pod	3373	=pod
2192		3374
2193	The following functions and methods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2194		3376
2195	cf::object contr pay_amount pay_player map	3377	cf::object
		3378	contr pay_amount pay_player map x y force_find force_add destroy
		3379	insert remove name archname title slaying race decrease split
		3380	value
		3381
2196	cf::object::player player	3382	cf::object::player
2197	cf::player peaceful	3383	player
2198	cf::map trigger	3384
		3385	cf::player
		3386	peaceful
		3387
		3388	cf::map
		3389	trigger
2199		3390
2200	=cut	3391	=cut
2201		3392
2202	for (	3393	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2207	) {	3400	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3403	for @funs;
2212	}	3404	}
2213		3405
…		…
2228		3420
2229	my $qcode = $code;	3421	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2232		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2233	local $_;	3428	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3429
2236	my $eval =	3430	my $eval =
2237	"do {\n"	3431	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3434	. $code
2241	. "\n}"	3435	. "\n}"
2242	;	3436	;
2243		3437
		3438	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2247		3447
2248	if ($@) {	3448	if ($@) {
2249	warn "$@";	3449	warn "$@",
2250	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2252	}	3452	}
2253		3453
2254	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2255	}	3455	}
2256		3456
…		…
2270	=cut	3470	=cut
2271		3471
2272	sub register_script_function {	3472	sub register_script_function {
2273	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2274		3474
2275	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2277	}	3477	}
2278		3478
2279	=back	3479	=back
2280		3480
2281	=cut	3481	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456		3482
2457	#############################################################################	3483	#############################################################################
2458	# the server's init and main functions	3484	# the server's init and main functions
2459		3485
2460	sub load_facedata($) {	3486	sub load_facedata($) {
2461	my ($path) = @_;	3487	my ($path) = @_;
2462		3488
		3489	# HACK to clear player env face cache, we need some signal framework
		3490	# for this (global event?)
		3491	%ext::player_env::MUSIC_FACE_CACHE = ();
		3492
		3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3494
2463	warn "loading facedata from $path\n";	3495	trace "loading facedata from $path\n";
2464		3496
2465	my $facedata;	3497	my $facedata = decode_storable load_file $path;
2466	0 < aio_load $path, $facedata
2467	or die "$path: $!";
2468
2469	$facedata = Coro::Storable::thaw $facedata;
2470		3498
2471	$facedata->{version} == 2	3499	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3501
		3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3504	$facedata->{resource}{"res/exp_table"} = {
		3505	type => FT_RSRC,
		3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
		3508	};
		3509	cf::cede_to_tick;
		3510
2474	{	3511	{
2475	my $faces = $facedata->{faceinfo};	3512	my $faces = $facedata->{faceinfo};
2476		3513
2477	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3516
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3517	cf::face::set_visibility $idx, $info->{visibility};
		3518	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2482	Coro::cede;	3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3522
		3523	cf::cede_to_tick;
2483	}	3524	}
2484		3525
2485	while (my ($face, $info) = each %$faces) {	3526	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3527	next unless $info->{smooth};
		3528
2487	my $idx = cf::face::find $face	3529	my $idx = cf::face::find $face
2488	or next;	3530	or next;
		3531
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3532	if (my $smooth = cf::face::find $info->{smooth}) {
		3533	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3535	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3536	error "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3537	}
2494	Coro::cede;	3538
		3539	cf::cede_to_tick;
2495	}	3540	}
2496	}	3541	}
2497		3542
2498	{	3543	{
2499	my $anims = $facedata->{animinfo};	3544	my $anims = $facedata->{animinfo};
2500		3545
2501	while (my ($anim, $info) = each %$anims) {	3546	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3547	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3548	cf::cede_to_tick;
2504	}	3549	}
2505		3550
2506	cf::anim::invalidate_all; # d'oh	3551	cf::anim::invalidate_all; # d'oh
2507	}	3552	}
2508		3553
		3554	{
		3555	my $res = $facedata->{resource};
		3556
		3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $info->{type};
		3563	} else {
		3564	$RESOURCE{$name} = $info; # unused
		3565	}
		3566
		3567	cf::cede_to_tick;
		3568	}
		3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3572
2509	1	3573	1
2510	}	3574	}
2511		3575
		3576	register_exticmd fx_want => sub {
		3577	my ($ns, $want) = @_;
		3578
		3579	while (my ($k, $v) = each %$want) {
		3580	$ns->fx_want ($k, $v);
		3581	}
		3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
2512	sub reload_regions {	3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
2513	load_resource_file "$MAPDIR/regions"	3599	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3600	or die "unable to load regions file\n";
		3601
		3602	for (cf::region::list) {
		3603	$_->{match} = qr/$_->{match}/
		3604	if exists $_->{match};
		3605	}
2515	}	3606	}
2516		3607
2517	sub reload_facedata {	3608	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3609	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3610	or die "unable to load facedata\n";
…		…
2527	sub reload_treasures {	3618	sub reload_treasures {
2528	load_resource_file "$DATADIR/treasures"	3619	load_resource_file "$DATADIR/treasures"
2529	or die "unable to load treasurelists\n";	3620	or die "unable to load treasurelists\n";
2530	}	3621	}
2531		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
2532	sub reload_resources {	3643	sub reload_resources {
2533	warn "reloading resource files...\n";	3644	trace "reloading resource files...\n";
2534		3645
		3646	reload_exp_table;
		3647	reload_materials;
		3648	reload_facedata;
		3649	reload_sound;
		3650	reload_archetypes;
2535	reload_regions;	3651	reload_regions;
2536	reload_facedata;
2537	reload_archetypes;
2538	reload_treasures;	3652	reload_treasures;
2539		3653
2540	warn "finished reloading resource files\n";	3654	trace "finished reloading resource files\n";
2541	}	3655	}
2542		3656
2543	sub init {	3657	sub reload_config {
2544	reload_resources;	3658	trace "reloading config file...\n";
2545	}
2546		3659
2547	sub cfg_load {	3660	my $config = load_file "$CONFDIR/config";
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3661	utf8::decode $config;
2549	or return;	3662	*CFG = decode_yaml $config;
2550		3663
2551	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;
2553
2554	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2555		3665
2556	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2557	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2558		3668
2559	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
2563	};	3673	};
2564	warn $@ if $@;	3674	warn $@ if $@;
2565	}	3675	}
2566	}	3676	}
2567		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
2568	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
2569	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2572	(async {	3719	(async {
2573	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
2575	};	3723	};
2576		3724
2577	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
2578	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
2579	load_extensions;	3748	load_extensions;
2580		3749
2581	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
2582	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2583	}	3768	}
2584		3769
2585	#############################################################################	3770	#############################################################################
2586	# initialisation and cleanup	3771	# initialisation and cleanup
2587		3772
2588	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2589	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2598	},
2599	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2600	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2601	}	3869	}
2602		3870
2603	sub emergency_save() {	3871	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2605		3873
2606	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2607		3880
2608	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2609	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2610	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2611	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2613	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3892	$pl->save;
2617	}	3893	}
2618	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2619		3895
2620	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2621	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2622	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2623	$map->valid or next;	3901	$map->valid or next;
2624	$map->save;	3902	$map->save;
2625	}	3903	}
2626	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2627		3905
2628	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2629	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2630	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2631	};	3934	};
2632		3935
2633	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2634	}	3937	}
2635		3938
2636	sub post_cleanup {	3939	sub post_cleanup {
2637	my ($make_core) = @_;	3940	my ($make_core) = @_;
2638		3941
		3942	IO::AIO::flush;
		3943
2639	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2640	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
2641	}	3974	}
2642		3975
2643	sub do_reload_perl() {	3976	sub do_reload_perl() {
2644	# can/must only be called in main	3977	# can/must only be called in main
2645	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2646	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2647	return;	3980	return;
2648	}	3981	}
2649		3982
2650	warn "reloading...";	3983	return if $RELOAD++;
2651		3984
2652	warn "entering sync_job";	3985	my $t1 = AE::time;
2653		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2654	cf::sync_job {	3993	cf::sync_job {
2655	cf::write_runtime; # external watchdog should not bark
2656	cf::emergency_save;	3994	#cf::emergency_save;
2657	cf::write_runtime; # external watchdog should not bark
2658		3995
2659	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;
2661
2662	# if anything goes wrong in here, we should simply crash as we already saved
2663
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";
2670	for (;;) {
2671	BDB::flush;
2672	IO::AIO::flush;
2673	Coro::cede;
2674	last unless IO::AIO::nreqs || BDB::nreqs;
2675	warn "iterate...";
2676	}
2677
2678	++$RELOAD;
2679
2680	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2681	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2682	%EXT_CORO = ();	3998	%EXT_CORO = ();
2683		3999
2684	warn "removing commands";	4000	trace "perl_reload: removing commands";
2685	%COMMAND = ();	4001	%COMMAND = ();
2686		4002
2687	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2688	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2689		4006
2690	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2693		4010
2694	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2695	eval {	4012	eval {
2696	$cb->($pkg);	4013	$cb->($pkg);
2697	1	4014	1
2698	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2699	}	4020	}
2700		4021
2701	warn "... nuking $pkg";
2702	Symbol::delete_package $pkg;
2703	}
2704
2705	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2706	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2708		4025
2709	warn "... unloading $k";	4026	trace "... unloading $k";
2710	delete $INC{$k};	4027	delete $INC{$k};
2711		4028
2712	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2713	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2714		4031
2715	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2716	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2717	}	4037	}
2718		4038
2719	Symbol::delete_package $k;
2720	}
2721
2722	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2723	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2725		4042
2726	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2727	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
2728	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2729		4046
2730	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2731	# and global variables created in xs	4048	# and global variables created in xs
2732	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2733		4050
2734	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2735		4052
2736	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2737	require cf;	4054	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2739		4056
2740	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2741	cf::cfg_load;	4058	cf::reload_config;
2742		4059
2743	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2744	cf::load_extensions;	4061	cf::load_extensions;
2745		4062
		4063	if ($REATTACH_ON_RELOAD) {
2746	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2747	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2748	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2749	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2750	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2751	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2752		4071
2753	warn "leaving sync_job";	4072	cf::_post_init 1;
2754		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
2755	1	4076	1
2756	} or do {	4077	} or do {
2757	warn $@;	4078	error $@;
2758	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2759	exit 1;	4080	};
		4081
		4082	--$RELOAD;
2760	};	4083	}
2761		4084
2762	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
2763	};	4087	};
2764		4088
2765	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
2766		4090
2767	sub reload_perl() {	4091	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
2770		4094
2771	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
2772	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
2773	after => 0,	4097
2774	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2775	cb => sub {
2776	do_reload_perl;	4099	do_reload_perl;
2777	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
2778	},	4101	};
2779	);	4102	};
2780	}	4103	}
2781		4104
2782	register_command "reload" => sub {	4105	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2784		4107
2785	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	4112	reload_perl;
		4113	};
2788	}	4114	}
2789	};	4115	};
2790		4116
2791	unshift @INC, $LIBDIR;	4117	#############################################################################
2792		4118
2793	my $bug_warning = 0;	4119	my $bug_warning = 0;
2794		4120
2795	our @WAIT_FOR_TICK;
2796	our @WAIT_FOR_TICK_BEGIN;
2797
2798	sub wait_for_tick {	4121	sub wait_for_tick() {
2799	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2800	return if $Coro::current == $Coro::main;
2801		4123
2802	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
2803	push @WAIT_FOR_TICK, $signal;
2804	$signal->wait;
2805	}	4125	}
2806		4126
2807	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
2808	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2809	return if $Coro::current == $Coro::main;
2810		4129
2811	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	4132	$signal->wait;
2814	}	4133	}
2815		4134
2816	$TICK_WATCHER = Event->timer (	4135	sub tick {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2826	return;	4139	return;
2827	}	4140	}
2828		4141
2829	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2830		4143
2831	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832		4145
2833	$RUNTIME += $TICK;
2834	$NEXT_TICK += $TICK;
2835
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	4150	write_runtime_sync
2840	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2841	};
2842	}	4152	};
		4153	}
2843		4154
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	4156	$sig->send;
2855	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;
2858	}
2859
2860	_post_tick;
2861	},	4157	}
2862	);	4158	$WAIT_FOR_TICK->broadcast;
		4159
		4160	$LOAD = ($NOW - $TICK_START) / $TICK;
		4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4162
		4163	if (0) {
		4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
		4169	}
		4170	}
2863		4171
2864	{	4172	{
2865	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	4174
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2875		4176	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		4178
2891	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		4186
2894	cf::sync_job {	4187	cf::sync_job {
2895	eval {	4188	eval {
2896	BDB::db_env_open	4189	BDB::db_env_open
2897	$DB_ENV,	4190	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	4194	0666;
2902		4195
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	4197	};
2908		4198
2909	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	4200	};
2911	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2912	}	4212	}
2913		4213
2914	{	4214	{
		4215	# configure IO::AIO
		4216
2915	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	4220	}
2928		4221
2929	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
2930		4224
2931	sub _log_backtrace {	4225	sub _log_backtrace {
2932	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
2933		4227
2934	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
2935		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2936	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
2938	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
2939	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
2940	my @bt = fork_call {	4241	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
2952	}	4253	}
2953		4254
2954	@funcs	4255	@funcs
2955	};	4256	};
2956		4257
2957	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2958	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
2959	--$_log_backtrace;	4261	--$_log_backtrace;
2960	};	4262	};
2961	} else {	4263	} else {
2962	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
2963	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2964	}	4266	}
2965	}	4267	}
2966		4268
2967	# load additional modules	4269	# load additional modules
2968	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2969		4272
2970	END { cf::emergency_save }	4273	END { cf::emergency_save }
2971		4274
2972	1	4275	1
2973		4276

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