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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 1.576 by root, Tue Jan 3 02:08:49 2012 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) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
904	} else {	1477	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1479	}
907		1480
908	cf::override;	1481	cf::override;
909	},	1482	},
910	);	1483	);
911		1484
		1485	# "readahead" all extensions
912	sub load_extension {	1486	sub cache_extensions {
913	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
914		1488
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1491	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	}	1492	}
940	die $@;
941	}	1493	};
942		1494
943	push @EXTS, $pkg;	1495	$grp
944	}	1496	}
945		1497
946	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
947	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1505	next unless -r $path;
949	eval {	1506
950	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
951	1	1570	}
952	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
953	}	1583	};
954	}	1584	}
955		1585
956	#############################################################################	1586	#############################################################################
957		1587
		1588	=back
		1589
958	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
959		1591
960	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
961		1593
962	=cut	1594	=cut
963		1595
964	package cf::player;	1596	package cf::player;
965		1597
966	use Coro::AIO;	1598	use Coro::AIO;
967		1599
968	=head3 cf::player	1600	=head3 cf::player
969		1601
970	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
971		1617
972	=item cf::player::find $login	1618	=item cf::player::find $login
973		1619
974	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
975		1621
…		…
994		1640
995	sub exists($) {	1641	sub exists($) {
996	my ($login) = @_;	1642	my ($login) = @_;
997		1643
998	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1000	}	1646	}
1001		1647
1002	sub find($) {	1648	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1650	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1661
1016	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1019	}	1671	}
1020	}	1672	}
1021	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1022		1687
1023	sub save($) {	1688	sub save($) {
1024	my ($pl) = @_;	1689	my ($pl) = @_;
1025		1690
1026	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1032		1697
1033	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1035		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1036	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1037	Coro::cede;	1707	cf::cede_to_tick;
1038	}	1708	}
1039		1709
1040	sub new($) {	1710	sub new($) {
1041	my ($login) = @_;	1711	my ($login) = @_;
1042		1712
…		…
1048	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1049		1719
1050	$self	1720	$self
1051	}	1721	}
1052		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1053	=item $pl->quit_character	1733	=item $pl->quit_character
1054		1734
1055	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1057		1737
…		…
1061	my ($pl) = @_;	1741	my ($pl) = @_;
1062		1742
1063	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1064		1744
1065	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1747
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1071	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1072		1756
1073	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1110	or return [];	1794	or return [];
1111		1795
1112	my @logins;	1796	my @logins;
1113		1797
1114	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1118		1808
1119	utf8::decode $login;	1809	utf8::decode $login;
1120	push @logins, $login;	1810	push @logins, $login;
1121	}	1811	}
1122		1812
1123	\@logins	1813	\@logins
1124	}	1814	}
1125		1815
1126	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1127		1819
1128	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1129	player. May block.	1821	player. May block.
1130		1822
1131	=cut	1823	=cut
…		…
1149	}	1841	}
1150		1842
1151	\@paths	1843	\@paths
1152	}	1844	}
1153		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1154	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1155		1851
1156	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1157		1853
1158	=cut	1854	=cut
1159		1855
1160	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1162		1858
1163	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1860	}
1167		1861
1168	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1169		1863
1170	Sends an ext event to the client.	1864	Sends an ext event to the client.
1171		1865
1172	=cut	1866	=cut
1173		1867
1174	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1176		1870
1177	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1178	}	1872	}
1179		1873
1180	=head3 cf::region	1874	=head3 cf::region
1181		1875
1182	=over 4	1876	=over 4
…		…
1185		1879
1186	package cf::region;	1880	package cf::region;
1187		1881
1188	=item cf::region::find_by_path $path	1882	=item cf::region::find_by_path $path
1189		1883
1190	Tries to decuce the probable region for a map knowing only its path.	1884	Tries to decuce the likely region for a map knowing only its path.
1191		1885
1192	=cut	1886	=cut
1193		1887
1194	sub find_by_path($) {	1888	sub find_by_path($) {
1195	my ($path) = @_;	1889	my ($path) = @_;
1196		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1197	my ($match, $specificity);	1893	my ($match, $specificity);
1198		1894
1199	for my $region (list) {	1895	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1203	}	1899	}
1204	}	1900	}
1205		1901
…		…
1226	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1228		1924
1229	sub generate_random_map {	1925	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1232	$self->_create_random_map (	1930	$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	}	1931	}
1246		1932
1247	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1248		1934
1249	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1254		1940
1255	sub register {	1941	sub register {
1256	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1943	my $pkg = caller;
1258		1944
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1946
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1948	}
1264		1949
1265	# also paths starting with '/'	1950	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1952
1268	sub thawer_merge {	1953	sub thawer_merge {
1269	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1270		1955
1271	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1272	local $self->{path};	1957	local $self->{path};
1273	local $self->{load_path};	1958	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1959
1277	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1278	}	1961	}
1279		1962
1280	sub normalise {	1963	sub normalise {
1281	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1282		1965
1283	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1284		1967
1285	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1286		1969
1287	# map plan:	1970	# map plan:
1288	#	1971	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1987	$path = "$base/$path";
1305	}	1988	}
1306		1989
1307	for ($path) {	1990	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1311	}	1993	}
1312		1994
1313	$path	1995	$path
…		…
1327	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1328	return $self;	2010	return $self;
1329	}	2011	}
1330	}	2012	}
1331		2013
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2015	()
1334	}	2016	}
1335		2017
		2018	# may re-bless or do other evil things
1336	sub init {	2019	sub init {
1337	my ($self) = @_;	2020	my ($self) = @_;
1338		2021
1339	$self	2022	$self
1340	}	2023	}
…		…
1359		2042
1360	# the temporary/swap location	2043	# the temporary/swap location
1361	sub save_path {	2044	sub save_path {
1362	my ($self) = @_;	2045	my ($self) = @_;
1363		2046
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1366	}	2049	}
1367		2050
1368	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1369	sub uniq_path {	2052	sub uniq_path {
1370	my ($self) = @_;	2053	my ($self) = @_;
1371		2054
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1374	}	2057	}
1375		2058
1376	# and all this just because we cannot iterate over	2059	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2060	my ($self) = @_;
1380		2061
1381	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1383	}	2065	}
1384		2066
1385	sub unlink_save {	2067	sub unlink_save {
1386	my ($self) = @_;	2068	my ($self) = @_;
1387		2069
…		…
1392		2074
1393	sub load_header_from($) {	2075	sub load_header_from($) {
1394	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1395		2077
1396	utf8::encode $path;	2078	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2080	or return;
1402		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1403	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1404		2089
1405	1	2090	1
1406	}	2091	}
1407		2092
		2093	# used to laod the header of an original map
1408	sub load_header_orig {	2094	sub load_header_orig {
1409	my ($self) = @_;	2095	my ($self) = @_;
1410		2096
1411	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1412	}	2098	}
1413		2099
		2100	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2101	sub load_header_temp {
1415	my ($self) = @_;	2102	my ($self) = @_;
1416		2103
1417	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1418	}	2105	}
1419		2106
		2107	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2108	sub prepare_temp {
1421	my ($self) = @_;	2109	my ($self) = @_;
1422		2110
1423	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1425	# safety	2113	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2116	}
1429		2117
		2118	# called after loading the header from an original map
1430	sub prepare_orig {	2119	sub prepare_orig {
1431	my ($self) = @_;	2120	my ($self) = @_;
1432		2121
1433	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2134	$self->load_header_orig
1446	or return;	2135	or return;
1447	$self->prepare_orig;	2136	$self->prepare_orig;
1448	}	2137	}
1449		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
1450	$self->default_region (cf::region::find_by_path $self->{path})	2142	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2143	unless $self->default_region;
1452		2144
1453	1	2145	1
1454	}	2146	}
1455		2147
1456	sub find;	2148	sub find;
1457	sub find {	2149	sub find {
1458	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1459		2151
		2152	cf::cede_to_tick;
		2153
1460	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1461		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2158
1464	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1467	or return;	2161	or return;
1468		2162
1469	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1470		2164
1471	$map->load_header	2165	$map->load_header
1472	or return;	2166	or return;
1473		2167
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1477	$map->reset;	2173	$map->reset;
1478	undef $guard;
1479	return find $path;	2174	return find $path;
1480	}	2175	}
1481		2176
1482	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1483	}	2178	}
1484	}	2179	}
1485		2180
1486	sub pre_load { }	2181	sub pre_load { }
1487	sub post_load { }	2182	#sub post_load { } # XS
1488		2183
1489	sub load {	2184	sub load {
1490	my ($self) = @_;	2185	my ($self) = @_;
1491		2186
1492	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1493		2188
1494	my $path = $self->{path};	2189	my $path = $self->{path};
1495		2190
1496	{	2191	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1498		2193
		2194	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1500
1501	$self->in_memory (cf::MAP_LOADING);
1502		2196
1503	$self->alloc;	2197	$self->alloc;
1504		2198
1505	$self->pre_load;	2199	$self->pre_load;
1506	Coro::cede;	2200	cf::cede_to_tick;
1507		2201
1508	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1509	or return;	2206	or return;
1510		2207
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1512	if delete $self->{load_original};	2209	if delete $self->{load_original};
1513		2210
1514	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2212	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2215	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1519	}	2220	}
1520	}
1521		2221
1522	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1523	# now do the right thing for maps	2231	# now do the right thing for maps
1524	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2234	unless $self->difficulty;
1527	Coro::cede;	2235	cf::cede_to_tick;
1528		2236
1529	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2238	$self->decay_objects;
1531	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1532	$self->update_buttons;	2240	$self->update_buttons;
1533	Coro::cede;	2241	cf::cede_to_tick;
1534	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1535	Coro::cede;
1536	$self->activate;
1537	}	2243	}
1538		2244
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1540	}	2247	}
1541		2248
1542	$self->post_load;	2249	$self->post_load;
1543	}
1544		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2257	sub customise_for {
1546	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1547		2259
1548	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2261	if $self->per_player;
1550		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1551	$self	2266	$self
1552	}
1553
1554	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {
1556	my ($map) = @_;
1557
1558	my @diag; # diagonal neighbours
1559
1560	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)
1562	or next;
1563	$neigh = find $neigh, $map
1564	or next;
1565	$neigh->load;
1566
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}
1570
1571	for (@diag) {
1572	my $neigh = find @$_
1573	or next;
1574	$neigh->load;
1575	}
1576	}	2267	}
1577		2268
1578	sub find_sync {	2269	sub find_sync {
1579	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1580		2271
1581	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1582	}	2277	}
1583		2278
1584	sub do_load_sync {	2279	sub do_load_sync {
1585	my ($map) = @_;	2280	my ($map) = @_;
1586		2281
1587	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1588	}	2287	}
1589		2288
1590	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1592		2291
1593	sub find_async {	2292	sub find_async {
1594	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1595		2294
1596	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1597		2296
1598	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1600	}	2299	}
1601		2300
1602	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1603	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1604	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2308	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2309	$map->load if $v;
		2310	}
1609		2311
1610	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1611	}	2313	}
1612	}	2314	}
1613	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1614	};	2316	};
1615	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1616		2318
1617	()	2319	()
1618	}	2320	}
1619		2321
		2322	# common code, used by both ->save and ->swapout
1620	sub save {	2323	sub _save {
1621	my ($self) = @_;	2324	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2325
1625	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1626		2327
1627	return unless $self->dirty;	2328	return unless $self->dirty;
1628		2329
…		…
1634	return if $self->{deny_save};	2335	return if $self->{deny_save};
1635		2336
1636	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1637		2338
1638	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1640	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1641		2345
1642	if ($uniq) {	2346	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2349	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2351	}
1648	}	2352	}
1649		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1650	sub swap_out {	2362	sub swap_out {
1651	my ($self) = @_;	2363	my ($self) = @_;
1652		2364
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1658	return if $self->players;	2369	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1662	$self->clear;	2380	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2381	}
1665		2382
1666	sub reset_at {	2383	sub reset_at {
1667	my ($self) = @_;	2384	my ($self) = @_;
1668		2385
1669	# TODO: safety, remove and allow resettable per-player maps	2386	# 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};	2387	return 1e99 if $self->{deny_reset};
1672		2388
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2391
…		…
1686	my ($self) = @_;	2402	my ($self) = @_;
1687		2403
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2405
1690	return if $self->players;	2406	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2407
1693	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
1694		2409
1695	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1696		2411
1697	# need to save uniques path	2412	# need to save uniques path
1698	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1699	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1700		2415
…		…
1702	if $uniq;	2417	if $uniq;
1703	}	2418	}
1704		2419
1705	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1706		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2424	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2425
1711	$self->unlink_save;	2426	$self->unlink_save;
1712	$self->destroy;	2427	$self->destroy;
1713	}	2428	}
1714		2429
1715	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1716		2431
1717	sub nuke {	2432	sub nuke {
1718	my ($self) = @_;	2433	my ($self) = @_;
1719		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1720	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1721		2439
1722	$self->unlink_save;	2440	$self->unlink_save;
1723		2441
1724	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2447
1730	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1731		2450
1732	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1733	}	2488	}
1734		2489
1735	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1736		2491
1737	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2493	instantiated unique items. May block.
1739		2494
1740	=cut	2495	=cut
1741		2496
1742	sub unique_maps() {	2497	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2498	[
1744	or return;	2499	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2500	utf8::decode $_;
1750	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2503	? ()
1753	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2506	]
1755
1756	\@paths
1757	}	2507	}
1758		2508
1759	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1760		2540
1761	=back	2541	=back
1762		2542
1763	=head3 cf::object	2543	=head3 cf::object
1764		2544
…		…
1768		2548
1769	=over 4	2549	=over 4
1770		2550
1771	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1772		2552
1773	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1774		2555
1775	=cut	2556	=cut
1776		2557
1777	sub inv_recursive_;	2558	sub inv_recursive_;
1778	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1781		2562
1782	sub inv_recursive {	2563	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1784	}	2565	}
1785		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1786	package cf;	2595	package cf;
1787		2596
1788	=back	2597	=back
1789		2598
1790	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	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	2606	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1799		2608
1800	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1801		2624
1802	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2626	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1807		2630
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2632
1810	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1812	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1815	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1816	}	2658	}
1817		2659
1818	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1819		2661
1820	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1833		2675
1834	=item $player_object->enter_link	2676	=item $player_object->enter_link
1835		2677
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2679
1838	The player should be reasonably safe there for short amounts of time. You	2680	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.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1840		2684
1841	Will never block.	2685	Will never block.
1842		2686
1843	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1844		2688
…		…
1862	}	2706	}
1863		2707
1864	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2709	my ($self) = @_;
1866		2710
		2711	$self->deactivate_recursive;
		2712
		2713	++$self->{_link_recursion};
		2714
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2716
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1871		2719
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1873	}	2721	}
1874		2722
1875	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1877		2727
1878	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1879		2729
1880	unless ($map) {	2730	unless ($map) {
1881	# restore original map position	2731	# restore original map position
…		…
1892	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1893	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1894		2744
1895	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1898		2748
1899	$map->load;	2749	$map->load;
1900	$map->load_diag;
1901		2750
1902	return unless $self->contr->active;	2751	return unless $self->contr->active;
1903	$self->activate_recursive;
1904		2752
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1907	}	2755	# entering was successful
1908		2756	delete $self->{_link_recursion};
1909	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1910	on_logout => sub {	2758	$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	},	2759	}
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2760
1923	# try to abort aborted map switching on player login :)	2761	}
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		2762
1941	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1942		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1943	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1944		2777
1945	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2789
1948	$self->enter_link;	2790	$self->enter_link;
1949		2791
1950	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1951	my $map = eval {	2814	my $map = eval {
1952	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1954	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2830	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1959	})->prio (1);	2838	})->prio (1);
1960	}	2839	}
1961		2840
1962	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1963		2842
…		…
1983	}	2862	}
1984		2863
1985	sub prepare_random_map {	2864	sub prepare_random_map {
1986	my ($exit) = @_;	2865	my ($exit) = @_;
1987		2866
1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1991	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1992	# that depends on the exit object	2869	# that depends on the exit object
1993		2870
1994	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1996	if ($exit->map) {	2873	if ($exit->map) {
1997	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1998	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1999	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2000	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2001	}	2880	}
2002		2881
2003	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2004		2883
2005	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2008		2887
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2011	undef $fh;	2890	undef $fh;
2012	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2013		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2014	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2015	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2016	}	2899	}
2017	}	2900	}
2018		2901
2019	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2020	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2021		2904
2022	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2023		2906
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;	2907	$self->enter_link;
2036		2908
2037	(async {	2909	(async {
2038	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2039	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2040	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2041		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2042	1;	2948	1
2043	}) {	2949	}) {
2044	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2045	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2046	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2047	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2048		2954
2049	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2050	$self->leave_link;	2956	$self->leave_link;
2051	}	2957	}
2052	})->prio (1);	2958	})->prio (1);
2053	}	2959	}
2054		2960
…		…
2068		2974
2069	utf8::encode $text;	2975	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2977	}
2072		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2073	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2074		3167
2075	Sends an exti event to the client.	3168	Sends an ext event to the client.
2076		3169
2077	=cut	3170	=cut
2078		3171
2079	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2081		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2084	}	3195	}
2085		3196
2086	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2087		3198
2088	Queues a query to the client, calling the given callback with	3199	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>,	3200	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>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		3202
2092	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	3204	become reliable at some point in the future.
2094		3205
2095	=cut	3206	=cut
2096		3207
2097	sub cf::client::query {	3208	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	3217	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		3219
2109	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2111	}	3224	}
2112		3225
2113	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2114	on_reply => sub {	3232	on_reply => sub {
2115	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2116		3234
2117	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2118	# get handled first	3236	# get handled first
…		…
2130	} else {	3248	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	3250	}
2133	}	3251	}
2134	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2135	);	3276	);
2136		3277
2137	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2138		3279
2139	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2155		3296
2156	$coro	3297	$coro
2157	}	3298	}
2158		3299
2159	cf::client->attach (	3300	cf::client->attach (
2160	on_destroy => sub {	3301	on_client_destroy => sub {
2161	my ($ns) = @_;	3302	my ($ns) = @_;
2162		3303
2163	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2164	},	3305	},
2165	);	3306	);
…		…
2180	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2182		3323
2183	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2184		3325
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2186		3331
2187	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2188		3333
2189	=pod	3334	=pod
2190		3335
2191	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2192		3337
2193	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2194	cf::object::player player	3343	cf::object::player
2195	cf::player peaceful	3344	player
2196	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2197		3351
2198	=cut	3352	=cut
2199		3353
2200	for (	3354	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2202	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2204	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2205	) {	3361	) {
2206	no strict 'refs';
2207	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2208	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2209	for @funs;	3364	for @funs;
2210	}	3365	}
2211		3366
…		…
2226		3381
2227	my $qcode = $code;	3382	my $qcode = $code;
2228	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2229	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2230		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2231	local $_;	3389	local $_;
2232	local @safe::cf::_safe_eval_args = values %vars;
2233		3390
2234	my $eval =	3391	my $eval =
2235	"do {\n"	3392	"do {\n"
2236	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2237	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2238	. $code	3395	. $code
2239	. "\n}"	3396	. "\n}"
2240	;	3397	;
2241		3398
		3399	if ($CFG{safe_eval}) {
2242	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2243	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2244	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2245		3408
2246	if ($@) {	3409	if ($@) {
2247	warn "$@";	3410	warn "$@",
2248	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2249	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2250	}	3413	}
2251		3414
2252	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2253	}	3416	}
2254		3417
…		…
2268	=cut	3431	=cut
2269		3432
2270	sub register_script_function {	3433	sub register_script_function {
2271	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2272		3435
2273	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2274	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2275	}	3438	}
2276		3439
2277	=back	3440	=back
2278		3441
2279	=cut	3442	=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		3443
2454	#############################################################################	3444	#############################################################################
2455	# the server's init and main functions	3445	# the server's init and main functions
2456		3446
2457	sub load_facedata($) {	3447	sub load_facedata($) {
2458	my ($path) = @_;	3448	my ($path) = @_;
2459		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2460	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2461		3457
2462	my $facedata;	3458	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		3459
2468	$facedata->{version} == 2	3460	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2471	{	3472	{
2472	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2473		3474
2474	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2479	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2480	}	3485	}
2481		3486
2482	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2484	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2485	or next;	3491	or next;
		3492
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3496	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3498	}
2491	Coro::cede;	3499
		3500	cf::cede_to_tick;
2492	}	3501	}
2493	}	3502	}
2494		3503
2495	{	3504	{
2496	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2497		3506
2498	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3509	cf::cede_to_tick;
2501	}	3510	}
2502		3511
2503	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2504	}	3513	}
2505		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
		3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3521
		3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3523	cf::face::set_type $idx, $info->{type};
		3524	} else {
		3525	$RESOURCE{$name} = $info; # unused
		3526	}
		3527
		3528	cf::cede_to_tick;
		3529	}
		3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3533
2506	1	3534	1
2507	}	3535	}
2508		3536
		3537	register_exticmd fx_want => sub {
		3538	my ($ns, $want) = @_;
		3539
		3540	while (my ($k, $v) = each %$want) {
		3541	$ns->fx_want ($k, $v);
		3542	}
		3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
		3554
2509	sub reload_regions {	3555	sub reload_regions {
		3556	# HACK to clear player env face cache, we need some signal framework
		3557	# for this (global event?)
		3558	%ext::player_env::MUSIC_FACE_CACHE = ();
		3559
2510	load_resource_file "$MAPDIR/regions"	3560	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3561	or die "unable to load regions file\n";
		3562
		3563	for (cf::region::list) {
		3564	$_->{match} = qr/$_->{match}/
		3565	if exists $_->{match};
		3566	}
2512	}	3567	}
2513		3568
2514	sub reload_facedata {	3569	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3570	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3571	or die "unable to load facedata\n";
…		…
2524	sub reload_treasures {	3579	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
2527	}	3582	}
2528		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
2529	sub reload_resources {	3604	sub reload_resources {
2530	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
2531		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
2532	reload_regions;	3612	reload_regions;
2533	reload_facedata;
2534	reload_archetypes;
2535	reload_treasures;	3613	reload_treasures;
2536		3614
2537	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
2538	}	3616	}
2539		3617
2540	sub init {	3618	sub reload_config {
2541	reload_resources;	3619	trace "reloading config file...\n";
2542	}
2543		3620
2544	sub cfg_load {	3621	my $config = load_file "$CONFDIR/config";
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3622	utf8::decode $config;
2546	or return;	3623	*CFG = decode_yaml $config;
2547		3624
2548	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;
2550
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2552		3626
2553	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$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};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2555		3629
2556	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
2560	};	3634	};
2561	warn $@ if $@;	3635	warn $@ if $@;
2562	}	3636	}
2563	}	3637	}
2564		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
2565	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
2566	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3680	(async {
2570	Event::one_event;	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3682	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
2572	};	3684	};
2573		3685
2574	cfg_load;	3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
		3698	reload_config;
2575	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
2576	load_extensions;	3709	load_extensions;
2577		3710
2578	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
2579	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
2580	}	3728	}
2581		3729
2582	#############################################################################	3730	#############################################################################
2583	# initialisation and cleanup	3731	# initialisation and cleanup
2584		3732
2585	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
2586	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3737	$SIGWATCHER{$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";	3738	cf::cleanup "SIG$signal";
2595	},
2596	);	3739	};
		3740	}
		3741	}
		3742
		3743	sub write_runtime_sync {
		3744	my $t0 = AE::time;
		3745
		3746	# first touch the runtime file to show we are still running:
		3747	# the fsync below can take a very very long time.
		3748
		3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3750
		3751	my $guard = cf::lock_acquire "write_runtime";
		3752
		3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3754	or return;
		3755
		3756	my $value = $cf::RUNTIME + 90 + 10;
		3757	# 10 is the runtime save interval, for a monotonic clock
		3758	# 60 allows for the watchdog to kill the server.
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	# touch it again to show we are up-to-date
		3768	aio_utime $fh, undef, undef;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3774	and return;
		3775
		3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3777
2597	}	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
2598	}	3829	}
2599		3830
2600	sub emergency_save() {	3831	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
2602		3833
2603	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
2604		3840
2605	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
2606	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
2607	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
2608	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
2610	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3852	$pl->save;
2614	}	3853	}
2615	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
2616		3855
2617	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
2618	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
2619	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
2620	$map->valid or next;	3861	$map->valid or next;
2621	$map->save;	3862	$map->save;
2622	}	3863	}
2623	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
2624		3865
2625	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
2626	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
2627	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
2628	};	3894	};
2629		3895
2630	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
2631	}	3897	}
2632		3898
2633	sub post_cleanup {	3899	sub post_cleanup {
2634	my ($make_core) = @_;	3900	my ($make_core) = @_;
2635		3901
		3902	IO::AIO::flush;
		3903
2636	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
2637	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
2638	}	3934	}
2639		3935
2640	sub do_reload_perl() {	3936	sub do_reload_perl() {
2641	# can/must only be called in main	3937	# can/must only be called in main
2642	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
2643	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
2644	return;	3940	return;
2645	}	3941	}
2646		3942
2647	warn "reloading...";	3943	return if $RELOAD++;
2648		3944
2649	warn "entering sync_job";	3945	my $t1 = AE::time;
2650		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
2651	cf::sync_job {	3953	cf::sync_job {
2652	cf::write_runtime; # external watchdog should not bark
2653	cf::emergency_save;	3954	#cf::emergency_save;
2654	cf::write_runtime; # external watchdog should not bark
2655		3955
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";	3956	trace "perl_reload: cancelling all extension coros";
2678	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
2679	%EXT_CORO = ();	3958	%EXT_CORO = ();
2680		3959
2681	warn "removing commands";	3960	trace "perl_reload: removing commands";
2682	%COMMAND = ();	3961	%COMMAND = ();
2683		3962
2684	warn "removing ext commands";	3963	trace "perl_reload: removing ext/exti commands";
2685	%EXTCMD = ();	3964	%EXTCMD = ();
		3965	%EXTICMD = ();
2686		3966
2687	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
2690		3970
2691	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
2692	eval {	3972	eval {
2693	$cb->($pkg);	3973	$cb->($pkg);
2694	1	3974	1
2695	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
2696	}	3980	}
2697		3981
2698	warn "... nuking $pkg";
2699	Symbol::delete_package $pkg;
2700	}
2701
2702	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2703	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705		3985
2706	warn "... unloading $k";	3986	trace "... unloading $k";
2707	delete $INC{$k};	3987	delete $INC{$k};
2708		3988
2709	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
2710	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
2711		3991
2712	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
2713	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
2714	}	3997	}
2715		3998
2716	Symbol::delete_package $k;
2717	}
2718
2719	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
2720	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2722		4002
2723	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
2724	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
2725	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2726		4006
2727	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
2728	# and global variables created in xs	4008	# and global variables created in xs
2729	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
2730		4010
2731	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
2732		4012
2733	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
2734	require cf;	4014	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
2736		4016
2737	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
2738	cf::cfg_load;	4018	cf::reload_config;
2739		4019
2740	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
2741	cf::load_extensions;	4021	cf::load_extensions;
2742		4022
		4023	if ($REATTACH_ON_RELOAD) {
2743	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
2744	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
2745	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
2746	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
2747	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
2748	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
2749		4031
2750	warn "leaving sync_job";	4032	cf::_post_init 1;
2751		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
2752	1	4036	1
2753	} or do {	4037	} or do {
2754	warn $@;	4038	error $@;
2755	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
2756	exit 1;	4040	};
		4041
		4042	--$RELOAD;
2757	};	4043	}
2758		4044
2759	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
2760	};	4047	};
2761		4048
2762	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
2763		4050
2764	sub reload_perl() {	4051	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
2767		4054
2768	$RELOAD_WATCHER ||= Event->timer (	4055	$RELOAD_WATCHER ||= cf::async {
2769	reentrant => 0,	4056	Coro::AIO::aio_wait cache_extensions;
2770	after => 0,	4057
2771	data => WF_AUTOCANCEL,	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2772	cb => sub {
2773	do_reload_perl;	4059	do_reload_perl;
2774	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
2775	},	4061	};
2776	);	4062	};
2777	}	4063	}
2778		4064
2779	register_command "reload" => sub {	4065	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
2781		4067
2782	if ($who->flag (FLAG_WIZ)) {	4068	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	4069	$who->message ("reloading server.");
		4070	async {
		4071	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	4072	reload_perl;
		4073	};
2785	}	4074	}
2786	};	4075	};
2787		4076
2788	unshift @INC, $LIBDIR;	4077	#############################################################################
2789		4078
2790	my $bug_warning = 0;	4079	my $bug_warning = 0;
2791		4080
2792	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;
2794
2795	sub wait_for_tick {	4081	sub wait_for_tick() {
2796	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2797	return if $Coro::current == $Coro::main;
2798		4083
2799	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
2800	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;
2802	}	4085	}
2803		4086
2804	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2805	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2806	return if $Coro::current == $Coro::main;
2807		4089
2808	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	4092	$signal->wait;
2811	}	4093	}
2812		4094
2813	$TICK_WATCHER = Event->timer (	4095	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 != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2823	return;	4099	return;
2824	}	4100	}
2825		4101
2826	$NOW = Event::time;	4102	cf::one_tick; # one server iteration
2827		4103
2828	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2829		4105
2830	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;
2832
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	4110	write_runtime_sync
2837	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2838	};
2839	}	4112	};
		4113	}
2840		4114
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) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	4116	$sig->send;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	4117	}
2859	);	4118	$WAIT_FOR_TICK->broadcast;
		4119
		4120	$LOAD = ($NOW - $TICK_START) / $TICK;
		4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4122
		4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
		4129	}
		4130	}
2860		4131
2861	{	4132	{
2862	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	4134
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;	4135	BDB::min_parallel 16;
2872		4136	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	4137	#$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	$! = $status;
2884	},
2885	)
2886	};
2887		4138
2888	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		4146
2891	cf::sync_job {	4147	cf::sync_job {
2892	eval {	4148	eval {
2893	BDB::db_env_open	4149	BDB::db_env_open
2894	$DB_ENV,	4150	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	4154	0666;
2899		4155
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($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	};	4157	};
2905		4158
2906	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	4160	};
2908	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
2909	}	4172	}
2910		4173
2911	{	4174	{
		4175	# configure IO::AIO
		4176
2912	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
2917	reentrant => 0,	4180	}
2918	data => WF_AUTOCANCEL,	4181
2919	fd => IO::AIO::poll_fileno,	4182	our $_log_backtrace;
2920	poll => 'r',	4183	our $_log_backtrace_last;
2921	prio => 6,	4184
2922	cb => \&IO::AIO::poll_cb,	4185	sub _log_backtrace {
2923	);	4186	my ($msg, @addr) = @_;
		4187
		4188	$msg =~ s/\n$//;
		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4193	# limit the # of concurrent backtraces
		4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
		4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
		4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
		4201	my @bt = fork_call {
		4202	@addr = map { sprintf "%x", $_ } @addr;
		4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4205	or die "addr2line: $!";
		4206
		4207	my @funcs;
		4208	my @res = <$fh>;
		4209	chomp for @res;
		4210	while (@res) {
		4211	my ($func, $line) = splice @res, 0, 2, ();
		4212	push @funcs, "[$func] $line";
		4213	}
		4214
		4215	@funcs
		4216	};
		4217
		4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4220	LOG llevInfo, "[ABT] $_\n" for @bt;
		4221	--$_log_backtrace;
		4222	};
		4223	} else {
		4224	LOG llevInfo, "[ABT] $msg\n";
		4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4226	}
2924	}	4227	}
2925		4228
2926	# load additional modules	4229	# load additional modules
2927	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
2928		4232
2929	END { cf::emergency_save }	4233	END { cf::emergency_save }
2930		4234
2931	1	4235	1
2932		4236

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