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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
95	binmode STDOUT;	160	binmode STDOUT;
96	binmode STDERR;	161	binmode STDERR;
97		162
98	# read virtual server time, if available	163	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
103	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
104		171
105	mkdir $_	172	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		174
108	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
109		176
110	sub cf::map::normalise;	177	sub cf::map::normalise;
111		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
112	#############################################################################	183	#############################################################################
113		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
114	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
115		197
116	=over 4	198	=over 4
117		199
118	=item $cf::UPTIME	200	=item $cf::UPTIME
119		201
120	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
121		218
122	=item $cf::RUNTIME	219	=item $cf::RUNTIME
123		220
124	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
125	every server tick.	222	every server tick.
…		…
131	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
134	database environment.	231	database environment.
135		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
136	=item $cf::NOW	239	=item $cf::LOAD
137		240
138	The time of the last (current) server tick.	241	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		242
144	=item %cf::CFG	243	=item %cf::CFG
145		244
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	246	from wherever your confdir points to.
148		247
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		249
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
155	=back	283	=back
156		284
157	=cut	285	=cut
158		286
159	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	294	my $msg = join "", @_;
162		295
163	$msg .= "\n"	296	$msg .= "\n"
164	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
165		298
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		300
168	utf8::encode $msg;
169	LOG llevError, $msg;	301	LOG llevWarn, $msg;
170	};	302	};
171	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
172		317
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		325
180	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	327	# within the Safe compartment.
182	for my $pkg (qw(	328	for my $pkg (qw(
183	cf::global cf::attachable	329	cf::global cf::attachable
184	cf::object cf::object::player	330	cf::object cf::object::player
185	cf::client cf::player	331	cf::client cf::player
186	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
187	cf::map cf::party cf::region	334	cf::party cf::region
188	)) {	335	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	337	}
192		338
193	$Event::DIED = sub {	339	$EV::DIED = sub {
194	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
195	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
196		349
197	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
198		351
199	=over 4	352	=over 4
200		353
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	373	$d
221	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
222	}	375	}
223		376
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
225		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
226	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
227		392
228	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
229		394
230	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
231		396
232	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
233		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
234	=item cf::lock_wait $string	468	=item cf::lock_wait $string
235		469
236	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
237		471
238	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
239		473
240	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
243	returned.	477	returned.
244		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
245	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
247		484
248	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
249		486
250	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
251		488
252	=cut	489	=cut
253		490
254	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
255		492
256	sub lock_wait($) {	493	sub lock_wait($) {
257	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	495	}
265		496
266	sub lock_acquire($) {	497	sub lock_acquire($) {
267	my ($key) = @_;	498	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	499	}
279		500
280	sub lock_active($) {	501	sub lock_active($) {
281	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	503	}
285		504
286	sub freeze_mainloop {	505	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
288		507
289	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
291	};	578	}
292	$TICK_WATCHER->stop;	579	};
293	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
294	}	594	}
295		595
296	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
297		597
298	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		603
304	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
305		605
306	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
307		607
308	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
311		612
312	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
315	fast or be very important.	616	fast or be very important.
…		…
317	=cut	618	=cut
318		619
319	sub sync_job(&) {	620	sub sync_job(&) {
320	my ($job) = @_;	621	my ($job) = @_;
321		622
322	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
323	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
325		628
326	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	630
328	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
329		632
330	my $busy = 1;	633	my $busy = 1;
331	my @res;	634	my @res;
332		635
333	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	638	@res = eval { $job->() };
335	warn $@ if $@;	639	error $@ if $@;
336	undef $busy;	640	undef $busy;
337	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
338		642
339	while ($busy) {	643	while ($busy) {
340	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
341	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
342		654
343	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
344	} else {	656	} else {
345	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
346		658
…		…
366	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
367		679
368	$coro	680	$coro
369	}	681	}
370		682
371	sub write_runtime {	683	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		684
374	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		689
377	warn "touching runtime...\n";#d#	690	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	691
379	utime undef, undef, $fh;	692	sub post_fork {
		693	reset_signals;
		694	}
		695
		696	sub fork_call(&@) {
		697	my ($cb, @args) = @_;
		698
		699	# we seemingly have to make a local copy of the whole thing,
		700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		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 $!;
380	}	779	};
		780	cf::cleanup "db_open(db): $@" if $@;
381		781
382	my $guard = cf::lock_acquire "write_runtime";	782	$db
		783	}
383		784
384	warn "starting to write runtime...\n";#d#	785	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		786
388	my $value = $cf::RUNTIME + 90 + 10;	787	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	788	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	789	}
391		790
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	791	sub db_get($$) {
393	and return;	792	my $key = "$_[0]/$_[1]";
394		793
395	# always fsync - this file is important	794	cf::error "db_get called from main context"
396	aio_fsync $fh	795	if $Coro::current == $Coro::main;
397	and return;
398		796
399	# touch it again to show we are up-to-date	797	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		798
402	close $fh	799	$! ? ()
403	or return;	800	: $data
		801	}
404		802
405	aio_rename "$runtime~", $runtime	803	sub db_put($$$) {
406	and return;	804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
407		807
408	warn "... done writing runtime.\n";#d#	808	=item cf::cache $id => [$paths...], $processversion => $process
409		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;
410	1	872	}
		873
		874	db_get cache => "$id/data"
411	}	875	}
412		876
413	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
414		878
415	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.
416		880
417	=cut	881	=cut
418		882
419	sub datalog($@) {	883	sub datalog($@) {
420	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	886	}
423		887
424	=back	888	=back
425		889
426	=cut	890	=cut
427		891
428	#############################################################################	892	#############################################################################
429		893
430	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
431		895
432	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
433	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")
434	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
435		899
436	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>
437	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
438	crossfire+).	902	Deliantra).
439		903
440	=over 4	904	=over 4
441		905
442	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
443		907
…		…
487	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
488		952
489	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
490	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
491		955
492	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
493	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.
494		958
495	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
496		960
497	=over 4	961	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
607		1071
608	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1076
613	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
615		1079
616	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
621		1085
622	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1088
625	} elsif (ref $type) {	1089	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
627		1091
628	} else {	1092	} else {
629	shift @arg;	1093	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
631	}	1095	}
632	}	1096	}
633	}	1097	}
634		1098
635	sub _object_attach {	1099	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
646	}	1110	}
647		1111
648	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
649	} else {	1113	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1115	}
652		1116
653	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
654	}	1118	}
655		1119
…		…
657	if (ref $_[0]) {	1121	if (ref $_[0]) {
658	_object_attach @_;	1122	_object_attach @_;
659	} else {	1123	} else {
660	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
661	}	1125	}
		1126	_recalc_want;
662	};	1127	};
663		1128
664	# all those should be optimised	1129	# all those should be optimised
665	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1135	reattach ($obj);
671	} else {	1136	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
673	}	1138	}
		1139	_recalc_want;
674	};	1140	};
675		1141
676	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
678		1144
…		…
693	";	1159	";
694	die if $@;	1160	die if $@;
695	}	1161	}
696		1162
697	our $override;	1163	our $override;
698	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?
699		1165
700	sub override {	1166	sub override {
701	$override = 1;	1167	$override = 1;
702	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
703	}	1169	}
704		1170
705	sub do_invoke {	1171	sub do_invoke {
706	my $event = shift;	1172	my $event = shift;
707	my $callbacks = shift;	1173	my $callbacks = shift;
708		1174
709	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
710		1176
711	local $override;	1177	local $override;
712		1178
713	for (@$callbacks) {	1179	for (@$callbacks) {
714	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
715		1181
716	if ($@) {	1182	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1184	override;
720	}	1185	}
721		1186
722	return 1 if $override;	1187	return 1 if $override;
723	}	1188	}
724		1189
725	0	1190	0
726	}	1191	}
727		1192
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1194
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1196
732	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
733		1198
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1202
738	=back	1203	=back
739		1204
740	=cut	1205	=cut
741		1206
742	#############################################################################	1207	#############################################################################
743	# 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	}
744		1251
745	sub reattach {	1252	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1254	my ($obj) = @_;
748		1255
		1256	# no longer needed after getting rid of delete_package?
749	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
750		1258
751	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
752		1260
753	@$registry = ();	1261	@$registry = ();
754		1262
…		…
759	for (@$attach) {	1267	for (@$attach) {
760	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
762	}	1270	}
763	} else {	1271	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1273	}
766	}	1274	}
767	}	1275	}
768		1276
769	cf::attachable->attach (	1277	cf::attachable->attach (
770	prio => -1000000,	1278	prio => -1000000,
771	on_instantiate => sub {	1279	on_instantiate => sub {
772	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
773		1281
774	$data = from_json $data;	1282	$data = decode_json $data;
775		1283
776	for (@$data) {	1284	for (@$data) {
777	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
778		1286
779	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1303	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
797		1305
798	sync_job {	1306	sync_job {
799	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
802		1312
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	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	}
807	close $fh;	1320	aio_close $fh;
808		1321
809	if (@$objs) {	1322	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
814	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	}
815	close $fh;	1331	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
817	}	1333	}
818	} else {	1334	} else {
819	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
820	}	1336	}
821		1337
822	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1342	} else {
824	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
825	}	1344	}
826	} else {	1345	} else {
827	aio_unlink $filename;	1346	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
829	}	1348	}
830	}	1349	};
831	}	1350	}
832		1351
833	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
835		1354
…		…
847	or return;	1366	or return;
848		1367
849	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
851	or return;	1370	or return;
		1371
852	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
853	}	1374	}
854		1375
		1376	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
857	return ($data, $av);	1381	($data, $av)
858	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
859		1389
860	#############################################################################	1390	#############################################################################
861	# command handling &c	1391	# command handling &c
862		1392
863	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1407	}
878		1408
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1410
881	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.
882		1416
883	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
884	called.	1418	called.
885		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
886	=cut	1431	=cut
887		1432
888	sub register_extcmd {	1433	sub register_extcmd {
889	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
890		1435
891	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
892	}	1437	}
893		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
894	cf::player->attach (	1447	cf::player->attach (
895	on_command => sub {	1448	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
897		1450
898	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
899	or return;	1452	or return;
900		1453
…		…
905	cf::override;	1458	cf::override;
906	},	1459	},
907	on_extcmd => sub {	1460	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
909		1462
910	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1464
912	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
918	} else {	1480	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1482	}
921		1483
922	cf::override;	1484	cf::override;
923	},	1485	},
924	);	1486	);
925		1487
		1488	# "readahead" all extensions
926	sub load_extension {	1489	sub cache_extensions {
927	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
928		1491
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1495	}
954	die $@;
955	}	1496	};
956		1497
957	push @EXTS, $pkg;	1498	$grp
958	}	1499	}
959		1500
960	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
961	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1508	next unless -r $path;
963	eval {	1509
964	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
965	1	1573	}
966	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
967	}	1586	};
968	}	1587	}
969		1588
970	#############################################################################	1589	#############################################################################
971		1590
		1591	=back
		1592
972	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
973		1594
974	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
975		1596
976	=cut	1597	=cut
977		1598
978	package cf::player;	1599	package cf::player;
979		1600
980	use Coro::AIO;	1601	use Coro::AIO;
981		1602
982	=head3 cf::player	1603	=head3 cf::player
983		1604
984	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
985		1620
986	=item cf::player::find $login	1621	=item cf::player::find $login
987		1622
988	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
989		1624
…		…
1008		1643
1009	sub exists($) {	1644	sub exists($) {
1010	my ($login) = @_;	1645	my ($login) = @_;
1011		1646
1012	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1014	}	1649	}
1015		1650
1016	sub find($) {	1651	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1653	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1664
1030	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1033	}	1674	}
1034	}	1675	}
1035	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1036		1690
1037	sub save($) {	1691	sub save($) {
1038	my ($pl) = @_;	1692	my ($pl) = @_;
1039		1693
1040	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1046		1700
1047	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1049		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1050	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1051	Coro::cede;	1710	cf::cede_to_tick;
1052	}	1711	}
1053		1712
1054	sub new($) {	1713	sub new($) {
1055	my ($login) = @_;	1714	my ($login) = @_;
1056		1715
…		…
1062	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1063		1722
1064	$self	1723	$self
1065	}	1724	}
1066		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1067	=item $pl->quit_character	1736	=item $pl->quit_character
1068		1737
1069	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1071		1740
…		…
1075	my ($pl) = @_;	1744	my ($pl) = @_;
1076		1745
1077	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1078		1747
1079	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1750
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1085	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1086		1759
1087	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1124	or return [];	1797	or return [];
1125		1798
1126	my @logins;	1799	my @logins;
1127		1800
1128	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1132		1811
1133	utf8::decode $login;	1812	utf8::decode $login;
1134	push @logins, $login;	1813	push @logins, $login;
1135	}	1814	}
1136		1815
1137	\@logins	1816	\@logins
1138	}	1817	}
1139		1818
1140	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1141		1822
1142	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1143	player. May block.	1824	player. May block.
1144		1825
1145	=cut	1826	=cut
…		…
1163	}	1844	}
1164		1845
1165	\@paths	1846	\@paths
1166	}	1847	}
1167		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1168	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1169		1854
1170	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1171		1856
1172	=cut	1857	=cut
1173		1858
1174	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1176		1861
1177	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1863	}
1181		1864
1182	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1183		1866
1184	Sends an ext event to the client.	1867	Sends an ext event to the client.
1185		1868
1186	=cut	1869	=cut
1187		1870
1188	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1190		1873
1191	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1192	}	1875	}
1193		1876
1194	=head3 cf::region	1877	=head3 cf::region
1195		1878
1196	=over 4	1879	=over 4
…		…
1199		1882
1200	package cf::region;	1883	package cf::region;
1201		1884
1202	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1203		1886
1204	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1205		1888
1206	=cut	1889	=cut
1207		1890
1208	sub find_by_path($) {	1891	sub find_by_path($) {
1209	my ($path) = @_;	1892	my ($path) = @_;
1210		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1211	my ($match, $specificity);	1896	my ($match, $specificity);
1212		1897
1213	for my $region (list) {	1898	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1217	}	1902	}
1218	}	1903	}
1219		1904
…		…
1240	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1242		1927
1243	sub generate_random_map {	1928	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1246	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	1934	}
1260		1935
1261	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1262		1937
1263	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1268		1943
1269	sub register {	1944	sub register {
1270	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	1946	my $pkg = caller;
1272		1947
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		1949
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	1951	}
1278		1952
1279	# also paths starting with '/'	1953	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		1955
1282	sub thawer_merge {	1956	sub thawer_merge {
1283	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1284		1958
1285	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1286	local $self->{path};	1960	local $self->{path};
1287	local $self->{load_path};	1961	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1962
1291	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1292	}	1964	}
1293		1965
1294	sub normalise {	1966	sub normalise {
1295	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1296		1968
1297	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1298		1970
1299	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1300		1972
1301	# map plan:	1973	# map plan:
1302	#	1974	#
…		…
1317	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	1990	$path = "$base/$path";
1319	}	1991	}
1320		1992
1321	for ($path) {	1993	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1325	}	1996	}
1326		1997
1327	$path	1998	$path
…		…
1341	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1342	return $self;	2013	return $self;
1343	}	2014	}
1344	}	2015	}
1345		2016
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	2018	()
1348	}	2019	}
1349		2020
		2021	# may re-bless or do other evil things
1350	sub init {	2022	sub init {
1351	my ($self) = @_;	2023	my ($self) = @_;
1352		2024
1353	$self	2025	$self
1354	}	2026	}
…		…
1373		2045
1374	# the temporary/swap location	2046	# the temporary/swap location
1375	sub save_path {	2047	sub save_path {
1376	my ($self) = @_;	2048	my ($self) = @_;
1377		2049
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1380	}	2052	}
1381		2053
1382	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1383	sub uniq_path {	2055	sub uniq_path {
1384	my ($self) = @_;	2056	my ($self) = @_;
1385		2057
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1388	}	2060	}
1389		2061
1390	# and all this just because we cannot iterate over	2062	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	2063	my ($self) = @_;
1394		2064
1395	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1397	}	2068	}
1398		2069
1399	sub unlink_save {	2070	sub unlink_save {
1400	my ($self) = @_;	2071	my ($self) = @_;
1401		2072
…		…
1406		2077
1407	sub load_header_from($) {	2078	sub load_header_from($) {
1408	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1409		2080
1410	utf8::encode $path;	2081	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	2083	or return;
1416		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1417	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1418		2092
1419	1	2093	1
1420	}	2094	}
1421		2095
		2096	# used to laod the header of an original map
1422	sub load_header_orig {	2097	sub load_header_orig {
1423	my ($self) = @_;	2098	my ($self) = @_;
1424		2099
1425	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1426	}	2101	}
1427		2102
		2103	# used to laod the header of an instantiated map
1428	sub load_header_temp {	2104	sub load_header_temp {
1429	my ($self) = @_;	2105	my ($self) = @_;
1430		2106
1431	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1432	}	2108	}
1433		2109
		2110	# called after loading the header from an instantiated map
1434	sub prepare_temp {	2111	sub prepare_temp {
1435	my ($self) = @_;	2112	my ($self) = @_;
1436		2113
1437	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1438	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1439	# safety	2116	# safety
1440	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1441	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1442	}	2119	}
1443		2120
		2121	# called after loading the header from an original map
1444	sub prepare_orig {	2122	sub prepare_orig {
1445	my ($self) = @_;	2123	my ($self) = @_;
1446		2124
1447	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1448	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1459	$self->load_header_orig	2137	$self->load_header_orig
1460	or return;	2138	or return;
1461	$self->prepare_orig;	2139	$self->prepare_orig;
1462	}	2140	}
1463		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1464	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2146	unless $self->default_region;
1466		2147
1467	1	2148	1
1468	}	2149	}
1469		2150
1470	sub find;	2151	sub find;
1471	sub find {	2152	sub find {
1472	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1473		2154
		2155	cf::cede_to_tick;
		2156
1474	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1475		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2161
1478	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1481	or return;	2164	or return;
1482		2165
1483	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1484		2167
1485	$map->load_header	2168	$map->load_header
1486	or return;	2169	or return;
1487		2170
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1491	$map->reset;	2176	$map->reset;
1492	undef $guard;
1493	return find $path;	2177	return find $path;
1494	}	2178	}
1495		2179
1496	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1497	}	2181	}
1498	}	2182	}
1499		2183
1500	sub pre_load { }	2184	sub pre_load { }
1501	sub post_load { }	2185	#sub post_load { } # XS
1502		2186
1503	sub load {	2187	sub load {
1504	my ($self) = @_;	2188	my ($self) = @_;
1505		2189
1506	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1507		2191
1508	my $path = $self->{path};	2192	my $path = $self->{path};
1509		2193
1510	{	2194	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1512		2196
		2197	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1514
1515	$self->in_memory (cf::MAP_LOADING);
1516		2199
1517	$self->alloc;	2200	$self->alloc;
1518		2201
1519	$self->pre_load;	2202	$self->pre_load;
1520	Coro::cede;	2203	cf::cede_to_tick;
1521		2204
1522	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1523	or return;	2209	or return;
1524		2210
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1526	if delete $self->{load_original};	2212	if delete $self->{load_original};
1527		2213
1528	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2215	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2218	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1533	}	2223	}
1534	}
1535		2224
1536	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1537	# now do the right thing for maps	2234	# now do the right thing for maps
1538	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2237	unless $self->difficulty;
1541	Coro::cede;	2238	cf::cede_to_tick;
1542		2239
1543	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2241	$self->decay_objects;
1545	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1546	$self->update_buttons;	2243	$self->update_buttons;
1547	Coro::cede;	2244	cf::cede_to_tick;
1548	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1549	Coro::cede;
1550	$self->activate;
1551	}	2246	}
1552		2247
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1554	}	2250	}
1555		2251
1556	$self->post_load;	2252	$self->post_load;
1557	}
1558		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2260	sub customise_for {
1560	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1561		2262
1562	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2264	if $self->per_player;
1564		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1565	$self	2269	$self
1566	}
1567
1568	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {
1570	my ($map) = @_;
1571
1572	my @diag; # diagonal neighbours
1573
1574	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)
1576	or next;
1577	$neigh = find $neigh, $map
1578	or next;
1579	$neigh->load;
1580
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}
1584
1585	for (@diag) {
1586	my $neigh = find @$_
1587	or next;
1588	$neigh->load;
1589	}
1590	}	2270	}
1591		2271
1592	sub find_sync {	2272	sub find_sync {
1593	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1594		2274
1595	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1596	}	2280	}
1597		2281
1598	sub do_load_sync {	2282	sub do_load_sync {
1599	my ($map) = @_;	2283	my ($map) = @_;
1600		2284
1601	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1602	}	2290	}
1603		2291
1604	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1606		2294
1607	sub find_async {	2295	sub find_async {
1608	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1609		2297
1610	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1611		2299
1612	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1614	}	2302	}
1615		2303
1616	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1617	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1618	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2311	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2312	$map->load if $v;
		2313	}
1623		2314
1624	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1625	}	2316	}
1626	}	2317	}
1627	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1628	};	2319	};
1629	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1630		2321
1631	()	2322	()
1632	}	2323	}
1633		2324
		2325	# common code, used by both ->save and ->swapout
1634	sub save {	2326	sub _save {
1635	my ($self) = @_;	2327	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2328
1639	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1640		2330
1641	return unless $self->dirty;	2331	return unless $self->dirty;
1642		2332
…		…
1648	return if $self->{deny_save};	2338	return if $self->{deny_save};
1649		2339
1650	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1651		2341
1652	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1654	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1655		2348
1656	if ($uniq) {	2349	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2352	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2354	}
1662	}	2355	}
1663		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1664	sub swap_out {	2365	sub swap_out {
1665	my ($self) = @_;	2366	my ($self) = @_;
1666		2367
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1672	return if $self->players;	2372	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1676	$self->clear;	2383	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2384	}
1679		2385
1680	sub reset_at {	2386	sub reset_at {
1681	my ($self) = @_;	2387	my ($self) = @_;
1682		2388
1683	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1686		2391
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2394
…		…
1700	my ($self) = @_;	2405	my ($self) = @_;
1701		2406
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2408
1704	return if $self->players;	2409	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2410
1707	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1708		2412
1709	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1710		2414
1711	# need to save uniques path	2415	# need to save uniques path
1712	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1713	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1714		2418
…		…
1716	if $uniq;	2420	if $uniq;
1717	}	2421	}
1718		2422
1719	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1720		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2427	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2428
1725	$self->unlink_save;	2429	$self->unlink_save;
1726	$self->destroy;	2430	$self->destroy;
1727	}	2431	}
1728		2432
1729	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1730		2434
1731	sub nuke {	2435	sub nuke {
1732	my ($self) = @_;	2436	my ($self) = @_;
1733		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1734	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1735		2442
1736	$self->unlink_save;	2443	$self->unlink_save;
1737		2444
1738	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2450
1744	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1745		2453
1746	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1747	}	2491	}
1748		2492
1749	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1750		2494
1751	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2496	instantiated unique items. May block.
1753		2497
1754	=cut	2498	=cut
1755		2499
1756	sub unique_maps() {	2500	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2501	[
1758	or return;	2502	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2503	utf8::decode $_;
1764	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2506	? ()
1767	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2509	]
1769
1770	\@paths
1771	}	2510	}
1772		2511
1773	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1774		2543
1775	=back	2544	=back
1776		2545
1777	=head3 cf::object	2546	=head3 cf::object
1778		2547
…		…
1782		2551
1783	=over 4	2552	=over 4
1784		2553
1785	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1786		2555
1787	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1788		2558
1789	=cut	2559	=cut
1790		2560
1791	sub inv_recursive_;	2561	sub inv_recursive_;
1792	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1795		2565
1796	sub inv_recursive {	2566	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1798	}	2568	}
1799		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1800	package cf;	2598	package cf;
1801		2599
1802	=back	2600	=back
1803		2601
1804	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1813		2611
1814	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1815		2627
1816	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2629	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1821		2633
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2635
1824	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1826	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1829	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1830	}	2661	}
1831		2662
1832	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1833		2664
1834	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1847		2678
1848	=item $player_object->enter_link	2679	=item $player_object->enter_link
1849		2680
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2682
1852	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1854		2687
1855	Will never block.	2688	Will never block.
1856		2689
1857	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1858		2691
…		…
1878	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2712	my ($self) = @_;
1880		2713
1881	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1882		2715
		2716	++$self->{_link_recursion};
		2717
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2719
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1887		2722
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2724	}
1890		2725
1891	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1893		2730
1894	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1895		2732
1896	unless ($map) {	2733	unless ($map) {
1897	# restore original map position	2734	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1910		2747
1911	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1914		2751
1915	$map->load;	2752	$map->load;
1916	$map->load_diag;
1917		2753
1918	return unless $self->contr->active;	2754	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2755
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1923	}	2758	# entering was successful
1924		2759	delete $self->{_link_recursion};
1925	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2761	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2762	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2763
1939	# try to abort aborted map switching on player login :)	2764	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2765
1957	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1959	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1960		2780
1961	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2792
1964	$self->enter_link;	2793	$self->enter_link;
1965		2794
1966	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1967	my $map = eval {	2817	my $map = eval {
1968	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1970	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2833	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1975	})->prio (1);	2841	})->prio (1);
1976	}	2842	}
1977		2843
1978	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1979		2845
…		…
1999	}	2865	}
2000		2866
2001	sub prepare_random_map {	2867	sub prepare_random_map {
2002	my ($exit) = @_;	2868	my ($exit) = @_;
2003		2869
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2872	# that depends on the exit object
2009		2873
2010	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2876	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2017	}	2883	}
2018		2884
2019	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2020		2886
2021	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2024		2890
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2893	undef $fh;
2028	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2029		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2032	}	2902	}
2033	}	2903	}
2034		2904
2035	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2037		2907
2038	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2039		2909
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2910	$self->enter_link;
2052		2911
2053	(async {	2912	(async {
2054	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2055	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2056	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2057		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2058	1;	2951	1
2059	}) {	2952	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2957
2065	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	2959	$self->leave_link;
2067	}	2960	}
2068	})->prio (1);	2961	})->prio (1);
2069	}	2962	}
2070		2963
…		…
2084		2977
2085	utf8::encode $text;	2978	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2980	}
2088		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2089	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2090		3170
2091	Sends an exti event to the client.	3171	Sends an ext event to the client.
2092		3172
2093	=cut	3173	=cut
2094		3174
2095	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2097		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2100	}	3202	}
2101		3203
2102	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2103		3205
2104	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3209
2108	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3211	become reliable at some point in the future.
2110		3212
2111	=cut	3213	=cut
2112		3214
2113	sub cf::client::query {	3215	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3224	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3226
2125	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2127	}	3231	}
2128		3232
2129	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2130	on_reply => sub {	3239	on_reply => sub {
2131	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2132		3241
2133	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2134	# get handled first	3243	# get handled first
…		…
2146	} else {	3255	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3257	}
2149	}	3258	}
2150	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2151	);	3286	);
2152		3287
2153	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2154		3289
2155	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3306
2172	$coro	3307	$coro
2173	}	3308	}
2174		3309
2175	cf::client->attach (	3310	cf::client->attach (
2176	on_destroy => sub {	3311	on_client_destroy => sub {
2177	my ($ns) = @_;	3312	my ($ns) = @_;
2178		3313
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3315	},
2181	);	3316	);
…		…
2196	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2198		3333
2199	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2200		3335
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2202		3341
2203	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2204		3343
2205	=pod	3344	=pod
2206		3345
2207	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2208		3347
2209	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2210	cf::object::player player	3353	cf::object::player
2211	cf::player peaceful	3354	player
2212	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2213		3361
2214	=cut	3362	=cut
2215		3363
2216	for (	3364	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2221	) {	3371	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3374	for @funs;
2226	}	3375	}
2227		3376
…		…
2242		3391
2243	my $qcode = $code;	3392	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2246		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2247	local $_;	3399	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3400
2250	my $eval =	3401	my $eval =
2251	"do {\n"	3402	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3405	. $code
2255	. "\n}"	3406	. "\n}"
2256	;	3407	;
2257		3408
		3409	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2261		3418
2262	if ($@) {	3419	if ($@) {
2263	warn "$@";	3420	warn "$@",
2264	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2266	}	3423	}
2267		3424
2268	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2269	}	3426	}
2270		3427
…		…
2284	=cut	3441	=cut
2285		3442
2286	sub register_script_function {	3443	sub register_script_function {
2287	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2288		3445
2289	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2291	}	3448	}
2292		3449
2293	=back	3450	=back
2294		3451
2295	=cut	3452	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3453
2471	#############################################################################	3454	#############################################################################
2472	# the server's init and main functions	3455	# the server's init and main functions
2473		3456
2474	sub load_facedata($) {	3457	sub load_facedata($) {
2475	my ($path) = @_;	3458	my ($path) = @_;
2476		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2477	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2478		3467
2479	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2480	0 < aio_load $path, $facedata
2481	or die "$path: $!";
2482
2483	$facedata = Coro::Storable::thaw $facedata;
2484		3469
2485	$facedata->{version} == 2	3470	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2488	{	3482	{
2489	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2490		3484
2491	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2497	}	3495	}
2498		3496
2499	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2501	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2502	or next;	3501	or next;
		3502
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3506	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3508	}
2508	Coro::cede;	3509
		3510	cf::cede_to_tick;
2509	}	3511	}
2510	}	3512	}
2511		3513
2512	{	3514	{
2513	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2514		3516
2515	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3519	cf::cede_to_tick;
2518	}	3520	}
2519		3521
2520	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2521	}	3523	}
2522		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2523	1	3544	1
2524	}	3545	}
2525		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
2526	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2527	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
2529	}	3577	}
2530		3578
2531	sub reload_facedata {	3579	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3589	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2544	}	3592	}
2545		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2546	sub reload_resources {	3614	sub reload_resources {
2547	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2548		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2549	reload_regions;	3622	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3623	reload_treasures;
2553		3624
2554	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2555	}	3626	}
2556		3627
2557	sub init {	3628	sub reload_config {
2558	reload_resources;	3629	trace "reloading config file...\n";
2559	}
2560		3630
2561	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2563	or return;	3633	*CFG = decode_yaml $config;
2564		3634
2565	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;
2567
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3636
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3639
2573	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2577	};	3644	};
2578	warn $@ if $@;	3645	warn $@ if $@;
2579	}	3646	}
2580	}	3647	}
2581		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2582	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2583	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3690	(async {
2587	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2589	};	3694	};
2590		3695
2591	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2592	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2593	load_extensions;	3719	load_extensions;
2594		3720
2595	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2597	}	3739	}
2598		3740
2599	#############################################################################	3741	#############################################################################
2600	# initialisation and cleanup	3742	# initialisation and cleanup
2601		3743
2602	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2603	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2612	},
2613	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2614	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2615	}	3840	}
2616		3841
2617	sub emergency_save() {	3842	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2619		3844
2620	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2621		3851
2622	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2623	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3863	$pl->save;
2631	}	3864	}
2632	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2633		3866
2634	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3872	$map->valid or next;
2638	$map->save;	3873	$map->save;
2639	}	3874	}
2640	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2641		3876
2642	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2645	};	3905	};
2646		3906
2647	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2648	}	3908	}
2649		3909
2650	sub post_cleanup {	3910	sub post_cleanup {
2651	my ($make_core) = @_;	3911	my ($make_core) = @_;
2652		3912
		3913	IO::AIO::flush;
		3914
2653	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
2655	}	3945	}
2656		3946
2657	sub do_reload_perl() {	3947	sub do_reload_perl() {
2658	# can/must only be called in main	3948	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2660	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2661	return;	3951	return;
2662	}	3952	}
2663		3953
2664	warn "reloading...";	3954	return if $RELOAD++;
2665		3955
2666	warn "entering sync_job";	3956	my $t1 = AE::time;
2667		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2668	cf::sync_job {	3964	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	3965	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		3966
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	3969	%EXT_CORO = ();
2697		3970
2698	warn "removing commands";	3971	trace "perl_reload: removing commands";
2699	%COMMAND = ();	3972	%COMMAND = ();
2700		3973
2701	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2703		3977
2704	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2707		3981
2708	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2709	eval {	3983	eval {
2710	$cb->($pkg);	3984	$cb->($pkg);
2711	1	3985	1
2712	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2713	}	3991	}
2714		3992
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3996
2723	warn "... unloading $k";	3997	trace "... unloading $k";
2724	delete $INC{$k};	3998	delete $INC{$k};
2725		3999
2726	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2728		4002
2729	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2731	}	4008	}
2732		4009
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		4013
2740	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		4017
2744	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2745	# and global variables created in xs	4019	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2747		4021
2748	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2749		4023
2750	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2751	require cf;	4025	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2753		4027
2754	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	4029	cf::reload_config;
2756		4030
2757	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	4032	cf::load_extensions;
2759		4033
		4034	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2766		4042
2767	warn "leaving sync_job";	4043	cf::_post_init 1;
2768		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
2769	1	4047	1
2770	} or do {	4048	} or do {
2771	warn $@;	4049	error $@;
2772	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	4051	};
		4052
		4053	--$RELOAD;
2774	};	4054	}
2775		4055
2776	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
2777	};	4058	};
2778		4059
2779	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
2780		4061
2781	sub reload_perl() {	4062	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
2784		4065
2785	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4068
2788	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4070	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
2792	},	4072	};
2793	);	4073	};
2794	}	4074	}
2795		4075
2796	register_command "reload" => sub {	4076	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2798		4078
2799	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4083	reload_perl;
		4084	};
2802	}	4085	}
2803	};	4086	};
2804		4087
2805	unshift @INC, $LIBDIR;	4088	#############################################################################
2806		4089
2807	my $bug_warning = 0;	4090	my $bug_warning = 0;
2808		4091
2809	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;
2811
2812	sub wait_for_tick {	4092	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2814	return if $Coro::current == $Coro::main;
2815		4094
2816	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
2817	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;
2819	}	4096	}
2820		4097
2821	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2823	return if $Coro::current == $Coro::main;
2824		4100
2825	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4103	$signal->wait;
2828	}	4104	}
2829		4105
2830	$TICK_WATCHER = Event->timer (	4106	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2840	return;	4110	return;
2841	}	4111	}
2842		4112
2843	$NOW = Event::time;	4113	cf::one_tick; # one server iteration
2844		4114
2845	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2846		4116
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4121	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4123	};
		4124	}
2857		4125
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4127	$sig->send;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4128	}
2876	);	4129	$WAIT_FOR_TICK->broadcast;
		4130
		4131	$LOAD = ($NOW - $TICK_START) / $TICK;
		4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4133
		4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
		4140	}
		4141	}
2877		4142
2878	{	4143	{
2879	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4145
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2889		4147	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4149
2905	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4157
2908	cf::sync_job {	4158	cf::sync_job {
2909	eval {	4159	eval {
2910	BDB::db_env_open	4160	BDB::db_env_open
2911	$DB_ENV,	4161	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4165	0666;
2916		4166
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4168	};
2922		4169
2923	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4171	};
2925	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2926	}	4183	}
2927		4184
2928	{	4185	{
		4186	# configure IO::AIO
		4187
2929	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4191	}
2942		4192
2943	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
2944		4195
2945	sub _log_backtrace {	4196	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
2947		4198
2948	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
2949		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
2953	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
2954	my @bt = fork_call {	4212	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
2966	}	4224	}
2967		4225
2968	@funcs	4226	@funcs
2969	};	4227	};
2970		4228
2971	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4232	--$_log_backtrace;
2974	};	4233	};
2975	} else {	4234	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4237	}
2979	}	4238	}
2980		4239
2981	# load additional modules	4240	# load additional modules
2982	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2983		4243
2984	END { cf::emergency_save }	4244	END { cf::emergency_save }
2985		4245
2986	1	4246	1
2987		4247

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