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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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	cf::cede_to_tick;
1534	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1535	Coro::cede;
1536	$self->activate;
1537	}	2246	}
1538		2247
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1540	}	2250	}
1541		2251
1542	$self->post_load;	2252	$self->post_load;
1543	}
1544		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2260	sub customise_for {
1546	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1547		2262
1548	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2264	if $self->per_player;
1550		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1551	$self	2269	$self
1552	}	2270	}
1553		2271
1554	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2273	sub load_neighbours {
1556	my ($map) = @_;	2274	my ($map) = @_;
1557		2275
1558	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1559		2277
1560	for (0 .. 3) {	2278	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1562	or next;	2280	or next;
1563	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1564	or next;	2282	or next;
1565	$neigh->load;	2283	$neigh->load;
1566		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2289	}
1570		2290
1571	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1573	or next;	2294	or next;
1574	$neigh->load;	2295	$neigh->load;
1575	}	2296	}
1576	}	2297	}
1577		2298
1578	sub find_sync {	2299	sub find_sync {
1579	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1580		2301
1581	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1582	}	2307	}
1583		2308
1584	sub do_load_sync {	2309	sub do_load_sync {
1585	my ($map) = @_;	2310	my ($map) = @_;
1586		2311
1587	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1588	}	2317	}
1589		2318
1590	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1592		2321
1593	sub find_async {	2322	sub find_async {
1594	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1595		2324
1596	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1597		2326
1598	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1600	}	2329	}
1601		2330
1602	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1603	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1604	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2338	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2339	$map->load if $v;
		2340	}
1609		2341
1610	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1611	}	2343	}
1612	}	2344	}
1613	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1614	};	2346	};
1615	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1616		2348
1617	()	2349	()
1618	}	2350	}
1619		2351
		2352	# common code, used by both ->save and ->swapout
1620	sub save {	2353	sub _save {
1621	my ($self) = @_;	2354	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2355
1625	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1626		2357
1627	return unless $self->dirty;	2358	return unless $self->dirty;
1628		2359
…		…
1634	return if $self->{deny_save};	2365	return if $self->{deny_save};
1635		2366
1636	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1637		2368
1638	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1640	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1641		2375
1642	if ($uniq) {	2376	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2379	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2381	}
1648	}	2382	}
1649		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1650	sub swap_out {	2392	sub swap_out {
1651	my ($self) = @_;	2393	my ($self) = @_;
1652		2394
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1658	return if $self->players;	2399	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1662	$self->clear;	2410	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2411	}
1665		2412
1666	sub reset_at {	2413	sub reset_at {
1667	my ($self) = @_;	2414	my ($self) = @_;
1668		2415
1669	# TODO: safety, remove and allow resettable per-player maps	2416	# 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};	2417	return 1e99 if $self->{deny_reset};
1672		2418
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2421
…		…
1686	my ($self) = @_;	2432	my ($self) = @_;
1687		2433
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2435
1690	return if $self->players;	2436	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2437
1693	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
1694		2439
1695	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1696		2441
1697	# need to save uniques path	2442	# need to save uniques path
1698	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1699	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1700		2445
…		…
1702	if $uniq;	2447	if $uniq;
1703	}	2448	}
1704		2449
1705	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1706		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2454	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2455
1711	$self->unlink_save;	2456	$self->unlink_save;
1712	$self->destroy;	2457	$self->destroy;
1713	}	2458	}
1714		2459
1715	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1716		2461
1717	sub nuke {	2462	sub nuke {
1718	my ($self) = @_;	2463	my ($self) = @_;
1719		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1720	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1721		2469
1722	$self->unlink_save;	2470	$self->unlink_save;
1723		2471
1724	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2477
1730	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1731		2480
1732	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1733	}	2518	}
1734		2519
1735	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1736		2521
1737	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2523	instantiated unique items. May block.
1739		2524
1740	=cut	2525	=cut
1741		2526
1742	sub unique_maps() {	2527	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2528	[
1744	or return;	2529	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2530	utf8::decode $_;
1750	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2533	? ()
1753	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2536	]
1755
1756	\@paths
1757	}	2537	}
1758		2538
1759	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1760		2570
1761	=back	2571	=back
1762		2572
1763	=head3 cf::object	2573	=head3 cf::object
1764		2574
…		…
1768		2578
1769	=over 4	2579	=over 4
1770		2580
1771	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1772		2582
1773	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1774		2585
1775	=cut	2586	=cut
1776		2587
1777	sub inv_recursive_;	2588	sub inv_recursive_;
1778	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1781		2592
1782	sub inv_recursive {	2593	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1784	}	2595	}
1785		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1786	package cf;	2625	package cf;
1787		2626
1788	=back	2627	=back
1789		2628
1790	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1799		2638
1800	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1801		2654
1802	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2656	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1807		2660
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2662
1810	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1812	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1815	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1816	}	2688	}
1817		2689
1818	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1819		2691
1820	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1833		2705
1834	=item $player_object->enter_link	2706	=item $player_object->enter_link
1835		2707
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2709
1838	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1840		2714
1841	Will never block.	2715	Will never block.
1842		2716
1843	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1844		2718
…		…
1862	}	2736	}
1863		2737
1864	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2739	my ($self) = @_;
1866		2740
		2741	$self->deactivate_recursive;
		2742
		2743	++$self->{_link_recursion};
		2744
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2746
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1871		2749
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1873	}	2751	}
1874		2752
1875	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1877		2757
1878	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1879		2759
1880	unless ($map) {	2760	unless ($map) {
1881	# restore original map position	2761	# restore original map position
…		…
1892	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1893	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1894		2774
1895	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1898		2778
1899	$map->load;	2779	$map->load;
1900	$map->load_diag;	2780	$map->load_neighbours;
1901		2781
1902	return unless $self->contr->active;	2782	return unless $self->contr->active;
1903	$self->activate_recursive;
1904		2783
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
1907	}	2786	# entering was successful
1908		2787	delete $self->{_link_recursion};
1909	cf::player->attach (	2788	# only activate afterwards, to support waiting in hooks
1910	on_logout => sub {	2789	$self->activate_recursive;
1911	my ($pl) = @_;
1912
1913	# abort map switching before logout
1914	if ($pl->ob->{_link_pos}) {
1915	cf::sync_job {
1916	$pl->ob->leave_link
1917	};
1918	}
1919	},	2790	}
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2791
1923	# try to abort aborted map switching on player login :)	2792	}
1924	# should happen only on crashes
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940		2793
1941	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1942		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1943	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1944		2808
1945	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2820
1948	$self->enter_link;	2821	$self->enter_link;
1949		2822
1950	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
1951	my $map = eval {	2845	my $map = eval {
1952	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
		2851	} else {
		2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
		2854
1954	$map	2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2861	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1959	})->prio (1);	2869	})->prio (1);
1960	}	2870	}
1961		2871
1962	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1963		2873
…		…
1983	}	2893	}
1984		2894
1985	sub prepare_random_map {	2895	sub prepare_random_map {
1986	my ($exit) = @_;	2896	my ($exit) = @_;
1987		2897
1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1991	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1992	# that depends on the exit object	2900	# that depends on the exit object
1993		2901
1994	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
1996	if ($exit->map) {	2904	if ($exit->map) {
1997	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
1998	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1999	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
2000	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
2001	}	2911	}
2002		2912
2003	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
2004		2914
2005	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
2008		2918
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
2011	undef $fh;	2921	undef $fh;
2012	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
2013		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
2014	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
2015	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
2016	}	2930	}
2017	}	2931	}
2018		2932
2019	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2020	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2021		2935
2022	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2023		2937
2024	if ($exit->slaying eq "/!") {
2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
2026	# the problem is that $exit might not survive long enough
2027	# so it needs to be done right now, right here
2028	cf::sync_job { prepare_random_map $exit };
2029	}
2030
2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2032	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;
2034
2035	$self->enter_link;	2938	$self->enter_link;
2036		2939
2037	(async {	2940	(async {
2038	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2039	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
2040	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2041		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
2042	1;	2979	1
2043	}) {	2980	}) {
2044	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2045	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
2046	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2047	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2048		2985
2049	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2050	$self->leave_link;	2987	$self->leave_link;
2051	}	2988	}
2052	})->prio (1);	2989	})->prio (1);
2053	}	2990	}
2054		2991
…		…
2068		3005
2069	utf8::encode $text;	3006	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	3008	}
2072		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
2073	=item $client->ext_event ($type, %msg)	3197	=item $client->ext_msg ($type, @msg)
2074		3198
2075	Sends an exti event to the client.	3199	Sends an ext event to the client.
2076		3200
2077	=cut	3201	=cut
2078		3202
2079	sub cf::client::ext_event($$%) {	3203	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	3204	my ($self, $type, @msg) = @_;
2081		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	3209	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
2084	}	3230	}
2085		3231
2086	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2087		3233
2088	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		3237
2092	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	3239	become reliable at some point in the future.
2094		3240
2095	=cut	3241	=cut
2096		3242
2097	sub cf::client::query {	3243	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	3252	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		3254
2109	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2111	}	3259	}
2112		3260
2113	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2114	on_reply => sub {	3267	on_reply => sub {
2115	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2116		3269
2117	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2118	# get handled first	3271	# get handled first
…		…
2130	} else {	3283	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	3285	}
2133	}	3286	}
2134	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2135	);	3314	);
2136		3315
2137	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2138		3317
2139	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2155		3334
2156	$coro	3335	$coro
2157	}	3336	}
2158		3337
2159	cf::client->attach (	3338	cf::client->attach (
2160	on_destroy => sub {	3339	on_client_destroy => sub {
2161	my ($ns) = @_;	3340	my ($ns) = @_;
2162		3341
2163	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2164	},	3343	},
2165	);	3344	);
…		…
2180	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2182		3361
2183	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2184		3363
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2186		3369
2187	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2188		3371
2189	=pod	3372	=pod
2190		3373
2191	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2192		3375
2193	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2194	cf::object::player player	3381	cf::object::player
2195	cf::player peaceful	3382	player
2196	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2197		3389
2198	=cut	3390	=cut
2199		3391
2200	for (	3392	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2202	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2204	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2205	) {	3399	) {
2206	no strict 'refs';
2207	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2208	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2209	for @funs;	3402	for @funs;
2210	}	3403	}
2211		3404
…		…
2226		3419
2227	my $qcode = $code;	3420	my $qcode = $code;
2228	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2229	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2230		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2231	local $_;	3427	local $_;
2232	local @safe::cf::_safe_eval_args = values %vars;
2233		3428
2234	my $eval =	3429	my $eval =
2235	"do {\n"	3430	"do {\n"
2236	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2237	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2238	. $code	3433	. $code
2239	. "\n}"	3434	. "\n}"
2240	;	3435	;
2241		3436
		3437	if ($CFG{safe_eval}) {
2242	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2243	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2244	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2245		3446
2246	if ($@) {	3447	if ($@) {
2247	warn "$@";	3448	warn "$@",
2248	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2249	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2250	}	3451	}
2251		3452
2252	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2253	}	3454	}
2254		3455
…		…
2268	=cut	3469	=cut
2269		3470
2270	sub register_script_function {	3471	sub register_script_function {
2271	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2272		3473
2273	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2274	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2275	}	3476	}
2276		3477
2277	=back	3478	=back
2278		3479
2279	=cut	3480	=cut
2280
2281	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453		3481
2454	#############################################################################	3482	#############################################################################
2455	# the server's init and main functions	3483	# the server's init and main functions
2456		3484
2457	sub load_facedata($) {	3485	sub load_facedata($) {
2458	my ($path) = @_;	3486	my ($path) = @_;
2459		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2460	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2461		3495
2462	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2463	0 < aio_load $path, $facedata
2464	or die "$path: $!";
2465
2466	$facedata = Coro::Storable::thaw $facedata;
2467		3497
2468	$facedata->{version} == 2	3498	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
2471	{	3510	{
2472	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2473		3512
2474	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2479	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2480	}	3523	}
2481		3524
2482	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2484	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2485	or next;	3529	or next;
		3530
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3534	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3536	}
2491	Coro::cede;	3537
		3538	cf::cede_to_tick;
2492	}	3539	}
2493	}	3540	}
2494		3541
2495	{	3542	{
2496	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2497		3544
2498	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3547	cf::cede_to_tick;
2501	}	3548	}
2502		3549
2503	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2504	}	3551	}
2505		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
2506	1	3572	1
2507	}	3573	}
2508		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
2509	sub reload_regions {	3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
2510	load_resource_file "$MAPDIR/regions"	3598	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
2512	}	3605	}
2513		3606
2514	sub reload_facedata {	3607	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3608	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3609	or die "unable to load facedata\n";
…		…
2524	sub reload_treasures {	3617	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	3618	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	3619	or die "unable to load treasurelists\n";
2527	}	3620	}
2528		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
2529	sub reload_resources {	3642	sub reload_resources {
2530	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
2531		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
2532	reload_regions;	3650	reload_regions;
2533	reload_facedata;
2534	reload_archetypes;
2535	reload_treasures;	3651	reload_treasures;
2536		3652
2537	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
2538	}	3654	}
2539		3655
2540	sub init {	3656	sub reload_config {
2541	reload_resources;	3657	trace "reloading config file...\n";
2542	}
2543		3658
2544	sub cfg_load {	3659	my $config = load_file "$CONFDIR/config";
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3660	utf8::decode $config;
2546	or return;	3661	*CFG = decode_yaml $config;
2547		3662
2548	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;
2550
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2552		3664
2553	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2554	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2555		3667
2556	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2560	};	3672	};
2561	warn $@ if $@;	3673	warn $@ if $@;
2562	}	3674	}
2563	}	3675	}
2564		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2565	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2566	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3718	(async {
2570	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2572	};	3722	};
2573		3723
2574	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
2575	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2576	load_extensions;	3747	load_extensions;
2577		3748
2578	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2579	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2580	}	3767	}
2581		3768
2582	#############################################################################	3769	#############################################################################
2583	# initialisation and cleanup	3770	# initialisation and cleanup
2584		3771
2585	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2586	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2589	reentrant => 0,
2590	data => WF_AUTOCANCEL,
2591	signal => $signal,
2592	prio => 0,
2593	cb => sub {
2594	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2595	},
2596	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2597	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2598	}	3868	}
2599		3869
2600	sub emergency_save() {	3870	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2602		3872
2603	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2604		3879
2605	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2606	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2607	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2608	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2610	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3891	$pl->save;
2614	}	3892	}
2615	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2616		3894
2617	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2618	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2619	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2620	$map->valid or next;	3900	$map->valid or next;
2621	$map->save;	3901	$map->save;
2622	}	3902	}
2623	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2624		3904
2625	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
2626	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2627	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2628	};	3933	};
2629		3934
2630	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2631	}	3936	}
2632		3937
2633	sub post_cleanup {	3938	sub post_cleanup {
2634	my ($make_core) = @_;	3939	my ($make_core) = @_;
2635		3940
		3941	IO::AIO::flush;
		3942
2636	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2637	if $make_core;	3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
2638	}	3973	}
2639		3974
2640	sub do_reload_perl() {	3975	sub do_reload_perl() {
2641	# can/must only be called in main	3976	# can/must only be called in main
2642	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2643	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2644	return;	3979	return;
2645	}	3980	}
2646		3981
2647	warn "reloading...";	3982	return if $RELOAD++;
2648		3983
2649	warn "entering sync_job";	3984	my $t1 = AE::time;
2650		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
2651	cf::sync_job {	3992	cf::sync_job {
2652	cf::write_runtime; # external watchdog should not bark
2653	cf::emergency_save;	3993	#cf::emergency_save;
2654	cf::write_runtime; # external watchdog should not bark
2655		3994
2656	warn "syncing database to disk";
2657	BDB::db_env_txn_checkpoint $DB_ENV;
2658
2659	# if anything goes wrong in here, we should simply crash as we already saved
2660
2661	warn "cancelling all WF_AUTOCANCEL watchers";
2662	for (Event::all_watchers) {
2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2664	}
2665
2666	warn "flushing outstanding aio requests";
2667	for (;;) {
2668	BDB::flush;
2669	IO::AIO::flush;
2670	Coro::cede;
2671	last unless IO::AIO::nreqs || BDB::nreqs;
2672	warn "iterate...";
2673	}
2674
2675	++$RELOAD;
2676
2677	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2678	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2679	%EXT_CORO = ();	3997	%EXT_CORO = ();
2680		3998
2681	warn "removing commands";	3999	trace "perl_reload: removing commands";
2682	%COMMAND = ();	4000	%COMMAND = ();
2683		4001
2684	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2685	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2686		4005
2687	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2690		4009
2691	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2692	eval {	4011	eval {
2693	$cb->($pkg);	4012	$cb->($pkg);
2694	1	4013	1
2695	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2696	}	4019	}
2697		4020
2698	warn "... nuking $pkg";
2699	Symbol::delete_package $pkg;
2700	}
2701
2702	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2703	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705		4024
2706	warn "... unloading $k";	4025	trace "... unloading $k";
2707	delete $INC{$k};	4026	delete $INC{$k};
2708		4027
2709	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2710	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2711		4030
2712	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2713	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2714	}	4036	}
2715		4037
2716	Symbol::delete_package $k;
2717	}
2718
2719	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2720	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2722		4041
2723	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2724	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
2725	delete $INC{"cf/pod.pm"};	4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2726		4045
2727	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2728	# and global variables created in xs	4047	# and global variables created in xs
2729	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2730		4049
2731	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2732		4051
2733	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2734	require cf;	4053	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2736		4055
2737	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2738	cf::cfg_load;	4057	cf::reload_config;
2739		4058
2740	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2741	cf::load_extensions;	4060	cf::load_extensions;
2742		4061
		4062	if ($REATTACH_ON_RELOAD) {
2743	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2744	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
2745	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2746	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
2747	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
2748	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
2749		4070
2750	warn "leaving sync_job";	4071	cf::_post_init 1;
2751		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
2752	1	4075	1
2753	} or do {	4076	} or do {
2754	warn $@;	4077	error $@;
2755	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2756	exit 1;	4079	};
		4080
		4081	--$RELOAD;
2757	};	4082	}
2758		4083
2759	warn "reloaded";	4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
2760	};	4086	};
2761		4087
2762	our $RELOAD_WATCHER; # used only during reload	4088	our $RELOAD_WATCHER; # used only during reload
2763		4089
2764	sub reload_perl() {	4090	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	4091	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	4092	# coro crashes during coro_state_free->destroy here.
2767		4093
2768	$RELOAD_WATCHER ||= Event->timer (	4094	$RELOAD_WATCHER ||= cf::async {
2769	reentrant => 0,	4095	Coro::AIO::aio_wait cache_extensions;
2770	after => 0,	4096
2771	data => WF_AUTOCANCEL,	4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2772	cb => sub {
2773	do_reload_perl;	4098	do_reload_perl;
2774	undef $RELOAD_WATCHER;	4099	undef $RELOAD_WATCHER;
2775	},	4100	};
2776	);	4101	};
2777	}	4102	}
2778		4103
2779	register_command "reload" => sub {	4104	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2781		4106
2782	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	4111	reload_perl;
		4112	};
2785	}	4113	}
2786	};	4114	};
2787		4115
2788	unshift @INC, $LIBDIR;	4116	#############################################################################
2789		4117
2790	my $bug_warning = 0;	4118	my $bug_warning = 0;
2791		4119
2792	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;
2794
2795	sub wait_for_tick {	4120	sub wait_for_tick() {
2796	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2797	return if $Coro::current == $Coro::main;
2798		4122
2799	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
2800	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;
2802	}	4124	}
2803		4125
2804	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
2805	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2806	return if $Coro::current == $Coro::main;
2807		4128
2808	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	4131	$signal->wait;
2811	}	4132	}
2812		4133
2813	$TICK_WATCHER = Event->timer (	4134	sub tick {
2814	reentrant => 0,
2815	parked => 1,
2816	prio => 0,
2817	at => $NEXT_TICK || $TICK,
2818	data => WF_AUTOCANCEL,
2819	cb => sub {
2820	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2823	return;	4138	return;
2824	}	4139	}
2825		4140
2826	$NOW = Event::time;	4141	cf::one_tick; # one server iteration
2827		4142
2828	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2829		4144
2830	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;
2832
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	4149	write_runtime_sync
2837	or warn "ERROR: unable to write runtime file: $!";	4150	or error "ERROR: unable to write runtime file: $!";
2838	};
2839	}	4151	};
		4152	}
2840		4153
2841	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#
2843
2844	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;
2849
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	4155	$sig->send;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	4156	}
2859	);	4157	$WAIT_FOR_TICK->broadcast;
		4158
		4159	$LOAD = ($NOW - $TICK_START) / $TICK;
		4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4161
		4162	if (0) {
		4163	if ($NEXT_TICK) {
		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
		4168	}
		4169	}
2860		4170
2861	{	4171	{
2862	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	4173
2864	reentrant => 0,
2865	fd => BDB::poll_fileno,
2866	poll => 'r',
2867	prio => 0,
2868	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,
2870	);
2871	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
2872		4175	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
2874	my $status;
2875	my $current = $Coro::current;
2876	(
2877	sub {
2878	$status = $!;
2879	$current->ready; undef $current;
2880	},
2881	sub {
2882	Coro::schedule while defined $current;
2883	$! = $status;
2884	},
2885	)
2886	};
2887		4177
2888	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		4185
2891	cf::sync_job {	4186	cf::sync_job {
2892	eval {	4187	eval {
2893	BDB::db_env_open	4188	BDB::db_env_open
2894	$DB_ENV,	4189	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	4193	0666;
2899		4194
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	4196	};
2905		4197
2906	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	4199	};
2908	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
2909	}	4211	}
2910		4212
2911	{	4213	{
		4214	# configure IO::AIO
		4215
2912	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
2917	reentrant => 0,	4219	}
2918	data => WF_AUTOCANCEL,	4220
2919	fd => IO::AIO::poll_fileno,	4221	our $_log_backtrace;
2920	poll => 'r',	4222	our $_log_backtrace_last;
2921	prio => 6,	4223
2922	cb => \&IO::AIO::poll_cb,	4224	sub _log_backtrace {
2923	);	4225	my ($msg, @addr) = @_;
		4226
		4227	$msg =~ s/\n$//;
		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
		4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4265	}
2924	}	4266	}
2925		4267
2926	# load additional modules	4268	# load additional modules
2927	use cf::pod;	4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2928		4271
2929	END { cf::emergency_save }	4272	END { cf::emergency_save }
2930		4273
2931	1	4274	1
2932		4275

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