ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		132
70	our %CFG;	133	our %CFG;
71		134
72	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
74		138
75	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		142
84	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
87	binmode STDOUT;	156	binmode STDOUT;
88	binmode STDERR;	157	binmode STDERR;
89		158
90	# read virtual server time, if available	159	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
95	}	164	}
96		165
97	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	167
99	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		170
104	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
105		172
106	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
107		189
108	#############################################################################	190	#############################################################################
109		191
110	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
111		193
…		…
118	=item $cf::RUNTIME	200	=item $cf::RUNTIME
119		201
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	203	every server tick.
122		204
123	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		208
125	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
127		213
128	=item $cf::NOW	214	=item $cf::NOW
129		215
130	The time of the last (current) server tick.	216	The time of the last (current) server tick.
131		217
132	=item $cf::TICK	218	=item $cf::TICK
133		219
134	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
135		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
136	=item %cf::CFG	232	=item %cf::CFG
137		233
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	235	from wherever your confdir points to.
140		236
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		238
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
145	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
147		259
148	=back	260	=back
149		261
150	=cut	262	=cut
151		263
152	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
153	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
154	my $msg = join "", @_;	271	my $msg = join "", @_;
155	utf8::encode $msg;
156		272
157	$msg .= "\n"	273	$msg .= "\n"
158	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
159		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
160	LOG llevError, $msg;	278	LOG llevWarn, $msg;
161	};	279	};
162	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
163		294
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		302
171	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	304	# within the Safe compartment.
173	for my $pkg (qw(	305	for my $pkg (qw(
174	cf::global cf::attachable	306	cf::global cf::attachable
175	cf::object cf::object::player	307	cf::object cf::object::player
176	cf::client cf::player	308	cf::client cf::player
177	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
178	cf::map cf::party cf::region	311	cf::party cf::region
179	)) {	312	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	314	}
183		315
184	$Event::DIED = sub {	316	$EV::DIED = sub {
185	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
186	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
187		326
188	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
189		328
190	=over 4	329	=over 4
191		330
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	350	$d
212	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
213	}	352	}
214		353
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
216		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
217	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
218		369
219	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
220		371
221	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
222		373
223	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
224		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
225	=item cf::lock_wait $string	445	=item cf::lock_wait $string
226		446
227	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
228		448
229	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
230		450
231	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
234	returned.	454	returned.
235		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
236	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
238		461
239	=cut	462	=item $locked = cf::lock_active $string
240		463
241	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
242		469
243	sub lock_wait($) {	470	sub lock_wait($) {
244	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	472	}
252		473
253	sub lock_acquire($) {	474	sub lock_acquire($) {
254	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
255		477
256	# wait, to be sure we are not locked	478	sub lock_active($) {
257	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	480	}
266		481
267	sub freeze_mainloop {	482	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
269		484
270	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
272	};	556	}
273	$TICK_WATCHER->stop;	557	};
274	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
275	}	572	}
276		573
277	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
278		575
279	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		581
285	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
286		583
287	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
288		585
289	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
292		590
293	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
296	fast or be very important.	594	fast or be very important.
…		…
298	=cut	596	=cut
299		597
300	sub sync_job(&) {	598	sub sync_job(&) {
301	my ($job) = @_;	599	my ($job) = @_;
302		600
303	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
304	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
306		606
307	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	608
309	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
310		610
311	my $busy = 1;	611	my $busy = 1;
312	my @res;	612	my @res;
313		613
314	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	616	@res = eval { $job->() };
316	warn $@ if $@;	617	error $@ if $@;
317	undef $busy;	618	undef $busy;
318	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
319		620
320	while ($busy) {	621	while ($busy) {
321	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
322	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
323		632
324	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
325	} else {	634	} else {
326	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
327		636
…		…
347	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
348		657
349	$coro	658	$coro
350	}	659	}
351		660
352	sub write_runtime {	661	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		662
355	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
356		667
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
358	or return;
359		669
360	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
362	# 60 allows for the watchdog to kill the server.	672	}
363		673
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
365	and return;	675	my ($cb, @args) = @_;
366		676
367	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
369	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
370		680
371	close $fh	681	my @res = Coro::Util::fork_eval {
372	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
373		685
374	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
375	and return;	687	}
376		688
		689	sub objinfo {
377	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
378	}	853	}
379		854
380	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
381		856
382	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
383		858
384	=cut	859	=cut
385		860
386	sub datalog($@) {	861	sub datalog($@) {
387	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	864	}
390		865
391	=back	866	=back
392		867
393	=cut	868	=cut
394		869
395	#############################################################################	870	#############################################################################
396		871
397	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
398		873
399	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
402		877
403	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	880	Deliantra).
406		881
407	=over 4	882	=over 4
408		883
409	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
410		885
…		…
454	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
455		930
456	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
458		933
459	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
461		936
462	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
463		938
464	=over 4	939	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
574		1049
575	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1054
580	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
582		1057
583	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
588		1063
589	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1066
592	} elsif (ref $type) {	1067	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
594		1069
595	} else {	1070	} else {
596	shift @arg;	1071	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
598	}	1073	}
599	}	1074	}
600	}	1075	}
601		1076
602	sub _object_attach {	1077	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
613	}	1088	}
614		1089
615	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
616	} else {	1091	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1093	}
619		1094
620	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
621	}	1096	}
622		1097
…		…
624	if (ref $_[0]) {	1099	if (ref $_[0]) {
625	_object_attach @_;	1100	_object_attach @_;
626	} else {	1101	} else {
627	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
628	}	1103	}
		1104	_recalc_want;
629	};	1105	};
630		1106
631	# all those should be optimised	1107	# all those should be optimised
632	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1113	reattach ($obj);
638	} else {	1114	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
640	}	1116	}
		1117	_recalc_want;
641	};	1118	};
642		1119
643	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
645		1122
…		…
660	";	1137	";
661	die if $@;	1138	die if $@;
662	}	1139	}
663		1140
664	our $override;	1141	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1143
667	sub override {	1144	sub override {
668	$override = 1;	1145	$override = 1;
669	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
670	}	1147	}
671		1148
672	sub do_invoke {	1149	sub do_invoke {
673	my $event = shift;	1150	my $event = shift;
674	my $callbacks = shift;	1151	my $callbacks = shift;
675		1152
676	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
677		1154
678	local $override;	1155	local $override;
679		1156
680	for (@$callbacks) {	1157	for (@$callbacks) {
681	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
682		1159
683	if ($@) {	1160	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1162	override;
687	}	1163	}
688		1164
689	return 1 if $override;	1165	return 1 if $override;
690	}	1166	}
691		1167
692	0	1168	0
693	}	1169	}
694		1170
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1172
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1174
699	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
700		1176
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1180
705	=back	1181	=back
706		1182
707	=cut	1183	=cut
708		1184
709	#############################################################################	1185	#############################################################################
710	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
711		1229
712	sub reattach {	1230	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1232	my ($obj) = @_;
715		1233
		1234	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1236
718	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
719		1238
720	@$registry = ();	1239	@$registry = ();
721		1240
…		…
726	for (@$attach) {	1245	for (@$attach) {
727	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
729	}	1248	}
730	} else {	1249	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1251	}
733	}	1252	}
734	}	1253	}
735		1254
736	cf::attachable->attach (	1255	cf::attachable->attach (
737	prio => -1000000,	1256	prio => -1000000,
738	on_instantiate => sub {	1257	on_instantiate => sub {
739	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
740		1259
741	$data = from_json $data;	1260	$data = decode_json $data;
742		1261
743	for (@$data) {	1262	for (@$data) {
744	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
745		1264
746	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1281	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
764		1283
765	sync_job {	1284	sync_job {
766	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
769		1290
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
774	close $fh;	1298	aio_close $fh;
775		1299
776	if (@$objs) {	1300	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
782	close $fh;	1309	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
784	}	1311	}
785	} else {	1312	} else {
786	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
787	}	1314	}
788		1315
789	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1320	} else {
791	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
792	}	1322	}
793	} else {	1323	} else {
794	aio_unlink $filename;	1324	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
796	}	1326	}
797	}	1327	};
798	}	1328	}
799		1329
800	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
802		1332
…		…
814	or return;	1344	or return;
815		1345
816	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
818	or return;	1348	or return;
		1349
819	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
820	}	1352	}
821		1353
		1354	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
824	return ($data, $av);	1359	($data, $av)
825	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
826		1367
827	#############################################################################	1368	#############################################################################
828	# command handling &c	1369	# command handling &c
829		1370
830	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1385	}
845		1386
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1388
848	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
849		1394
850	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
851	called.	1396	called.
852		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
853	=cut	1409	=cut
854		1410
855	sub register_extcmd {	1411	sub register_extcmd {
856	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
857		1413
858	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
859	}	1415	}
860		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
861	cf::player->attach (	1425	cf::player->attach (
862	on_command => sub {	1426	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
864		1428
865	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
866	or return;	1430	or return;
867		1431
…		…
872	cf::override;	1436	cf::override;
873	},	1437	},
874	on_extcmd => sub {	1438	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
876		1440
877	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1442
879	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
885	} else {	1458	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1460	}
888		1461
889	cf::override;	1462	cf::override;
890	},	1463	},
891	);	1464	);
892		1465
		1466	# "readahead" all extensions
893	sub load_extension {	1467	sub cache_extensions {
894	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
895		1469
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1473	}
921	die $@;
922	}	1474	};
923		1475
924	push @EXTS, $pkg;	1476	$grp
925	}	1477	}
926		1478
927	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
928	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1486	next unless -r $path;
930	eval {	1487
931	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
932	1	1551	}
933	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
934	}	1564	};
935	}	1565	}
936		1566
937	#############################################################################	1567	#############################################################################
938		1568
		1569	=back
		1570
939	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
940		1572
941	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
942		1574
943	=cut	1575	=cut
944		1576
945	package cf::player;	1577	package cf::player;
946		1578
…		…
948		1580
949	=head3 cf::player	1581	=head3 cf::player
950		1582
951	=over 4	1583	=over 4
952		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
953	=item cf::player::find $login	1599	=item cf::player::find $login
954		1600
955	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
956		1602
957	=cut	1603	=cut
958		1604
959	sub playerdir($) {	1605	sub playerdir($) {
960	cf::localdir	1606	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1608	}
966		1609
967	sub path($) {	1610	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1621
979	sub exists($) {	1622	sub exists($) {
980	my ($login) = @_;	1623	my ($login) = @_;
981		1624
982	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
984	}	1627	}
985		1628
986	sub find($) {	1629	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1631	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
999		1642
1000	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1003	}	1652	}
1004	}	1653	}
1005	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1006		1668
1007	sub save($) {	1669	sub save($) {
1008	my ($pl) = @_;	1670	my ($pl) = @_;
1009		1671
1010	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1016		1678
1017	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1019		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1020	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1021	Coro::cede;	1688	cf::cede_to_tick;
1022	}	1689	}
1023		1690
1024	sub new($) {	1691	sub new($) {
1025	my ($login) = @_;	1692	my ($login) = @_;
1026		1693
…		…
1032	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1033		1700
1034	$self	1701	$self
1035	}	1702	}
1036		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1037	=item $pl->quit_character	1714	=item $pl->quit_character
1038		1715
1039	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1041		1718
…		…
1045	my ($pl) = @_;	1722	my ($pl) = @_;
1046		1723
1047	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1048		1725
1049	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1728
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1055	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1056		1737
1057	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1089		1770
1090	=cut	1771	=cut
1091		1772
1092	sub list_logins {	1773	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1775	or return [];
1095		1776
1096	my @logins;	1777	my @logins;
1097		1778
1098	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1102		1789
1103	utf8::decode $login;	1790	utf8::decode $login;
1104	push @logins, $login;	1791	push @logins, $login;
1105	}	1792	}
1106		1793
1107	\@logins	1794	\@logins
1108	}	1795	}
1109		1796
1110	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1111		1800
1112	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1113	player. May block.	1802	player. May block.
1114		1803
1115	=cut	1804	=cut
…		…
1133	}	1822	}
1134		1823
1135	\@paths	1824	\@paths
1136	}	1825	}
1137		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1138	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1139		1832
1140	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1141		1834
1142	=cut	1835	=cut
1143		1836
1144	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1146		1839
1147	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1841	}
1151		1842
1152	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1153		1844
1154	Sends an ext event to the client.	1845	Sends an ext event to the client.
1155		1846
1156	=cut	1847	=cut
1157		1848
1158	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1160		1851
1161	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1162	}	1853	}
1163		1854
1164	package cf;	1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1165		1885
1166	=back	1886	=back
1167
1168		1887
1169	=head3 cf::map	1888	=head3 cf::map
1170		1889
1171	=over 4	1890	=over 4
1172		1891
…		…
1184	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1186		1905
1187	sub generate_random_map {	1906	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1189	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1190	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1194	$rmp->{exit_on_final_map},
1195	$rmp->{xsize}, $rmp->{ysize},
1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1201	(cf::region::find $rmp->{region}), $rmp->{custom}
1202	)
1203	}	1912	}
1204		1913
1205	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1206		1915
1207	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1212		1921
1213	sub register {	1922	sub register {
1214	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1215	my $pkg = caller;	1924	my $pkg = caller;
1216		1925
1217	no strict;
1218	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1219		1927
1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221	}	1929	}
1222		1930
1223	# also paths starting with '/'	1931	# also paths starting with '/'
1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1225		1933
1226	sub thawer_merge {	1934	sub thawer_merge {
1227	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1228		1936
1229	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1230	local $self->{path};	1938	local $self->{path};
1231	local $self->{load_path};	1939	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1940
1235	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1236	}	1942	}
1237		1943
1238	sub normalise {	1944	sub normalise {
1239	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1240		1946
1241	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1242		1948
1243	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1244		1950
1245	# map plan:	1951	# map plan:
1246	#	1952	#
…		…
1261	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1262	$path = "$base/$path";	1968	$path = "$base/$path";
1263	}	1969	}
1264		1970
1265	for ($path) {	1971	for ($path) {
1266	redo if s{//}{/};
1267	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1268	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1269	}	1974	}
1270		1975
1271	$path	1976	$path
…		…
1285	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1286	return $self;	1991	return $self;
1287	}	1992	}
1288	}	1993	}
1289		1994
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1291	()	1996	()
1292	}	1997	}
1293		1998
		1999	# may re-bless or do other evil things
1294	sub init {	2000	sub init {
1295	my ($self) = @_;	2001	my ($self) = @_;
1296		2002
1297	$self	2003	$self
1298	}	2004	}
…		…
1310		2016
1311	# the original (read-only) location	2017	# the original (read-only) location
1312	sub load_path {	2018	sub load_path {
1313	my ($self) = @_;	2019	my ($self) = @_;
1314		2020
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1316	}	2022	}
1317		2023
1318	# the temporary/swap location	2024	# the temporary/swap location
1319	sub save_path {	2025	sub save_path {
1320	my ($self) = @_;	2026	my ($self) = @_;
1321		2027
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1324	}	2030	}
1325		2031
1326	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1327	sub uniq_path {	2033	sub uniq_path {
1328	my ($self) = @_;	2034	my ($self) = @_;
1329		2035
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1332	}	2038	}
1333		2039
1334	# and all this just because we cannot iterate over	2040	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	2041	my ($self) = @_;
1338		2042
1339	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1341	}	2046	}
1342		2047
1343	sub unlink_save {	2048	sub unlink_save {
1344	my ($self) = @_;	2049	my ($self) = @_;
1345		2050
…		…
1350		2055
1351	sub load_header_from($) {	2056	sub load_header_from($) {
1352	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1353		2058
1354	utf8::encode $path;	2059	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1360		2068
1361	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1362		2070
1363	1	2071	1
1364	}	2072	}
…		…
1403	$self->load_header_orig	2111	$self->load_header_orig
1404	or return;	2112	or return;
1405	$self->prepare_orig;	2113	$self->prepare_orig;
1406	}	2114	}
1407		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1408	1	2122	1
1409	}	2123	}
1410		2124
1411	sub find;	2125	sub find;
1412	sub find {	2126	sub find {
1413	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1414		2128
		2129	cf::cede_to_tick;
		2130
1415	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1416		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1418		2135
1419	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1422	or return;	2138	or return;
1423		2139
1424	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1425		2141
1426	$map->load_header	2142	$map->load_header
1427	or return;	2143	or return;
1428		2144
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1432	$map->reset;	2150	$map->reset;
1433	undef $guard;
1434	return find $path;	2151	return find $path;
1435	}	2152	}
1436		2153
1437	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1438	}	2155	}
1439	}	2156	}
1440		2157
1441	sub pre_load { }	2158	sub pre_load { }
1442	sub post_load { }	2159	#sub post_load { } # XS
1443		2160
1444	sub load {	2161	sub load {
1445	my ($self) = @_;	2162	my ($self) = @_;
1446		2163
1447	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1448		2165
1449	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1451		2170
		2171	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2173
1454	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1455		2175
1456	$self->alloc;	2176	$self->alloc;
1457		2177
1458	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1459		2180
1460	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1461	or return;	2185	or return;
1462		2186
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1464	if delete $self->{load_original};	2188	if delete $self->{load_original};
1465		2189
1466	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2191	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2194	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1471	}	2199	}
1472	}
1473		2200
1474	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
1475		2203
		2204	cf::cede_to_tick;
1476	# now do the right thing for maps	2205	# now do the right thing for maps
1477	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2208	unless $self->difficulty;
1487	Coro::cede;	2209	cf::cede_to_tick;
		2210
		2211	unless ($self->{deny_activate}) {
		2212	$self->decay_objects;
		2213	$self->fix_auto_apply;
		2214	$self->update_buttons;
		2215	cf::cede_to_tick;
1488	$self->activate;	2216	$self->activate;
		2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2223	}
1490		2224
1491	$self->post_load;	2225	$self->post_load;
1492		2226
1493	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1494	}	2228	}
1495		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1496	sub customise_for {	2233	sub customise_for {
1497	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1498		2235
1499	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2237	if $self->per_player;
1501		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1502	$self	2242	$self
1503	}	2243	}
1504		2244
1505	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2246	sub load_neighbours {
1507	my ($map) = @_;	2247	my ($map) = @_;
1508		2248
1509	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1510		2250
1511	for (0 .. 3) {	2251	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1513	or next;	2253	or next;
1514	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1515	or next;	2255	or next;
1516	$neigh->load;	2256	$neigh->load;
1517		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2262	}
1521		2263
1522	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1524	or next;	2267	or next;
1525	$neigh->load;	2268	$neigh->load;
1526	}	2269	}
1527	}	2270	}
1528		2271
1529	sub find_sync {	2272	sub find_sync {
1530	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1531		2274
1532	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1533	}	2279	}
1534		2280
1535	sub do_load_sync {	2281	sub do_load_sync {
1536	my ($map) = @_;	2282	my ($map) = @_;
1537		2283
1538	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1539	}	2288	}
1540		2289
1541	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1543		2292
1544	sub find_async {	2293	sub find_async {
1545	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1546		2295
1547	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1548		2297
1549	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2300	}
1552		2301
1553	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1554	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1555	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2309	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2310	$map->load if $v;
		2311	}
1560		2312
1561	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1562	}	2314	}
1563	}	2315	}
1564	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1565	};	2317	};
1566	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1567		2319
1568	()	2320	()
1569	}	2321	}
1570		2322
		2323	# common code, used by both ->save and ->swapout
1571	sub save {	2324	sub _save {
1572	my ($self) = @_;	2325	my ($self) = @_;
1573
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1575		2326
1576	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1577		2328
1578	return unless $self->dirty;	2329	return unless $self->dirty;
1579		2330
…		…
1585	return if $self->{deny_save};	2336	return if $self->{deny_save};
1586		2337
1587	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1588		2339
1589	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1591	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1592		2346
1593	if ($uniq) {	2347	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2350	} else {
1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1598	}	2352	}
1599	}	2353	}
1600		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1601	sub swap_out {	2363	sub swap_out {
1602	my ($self) = @_;	2364	my ($self) = @_;
1603		2365
1604	# save first because save cedes
1605	$self->save;
1606
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1609	return if $self->players;	2370	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};
1612		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1613	$self->clear;	2381	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2382	}
1616		2383
1617	sub reset_at {	2384	sub reset_at {
1618	my ($self) = @_;	2385	my ($self) = @_;
1619		2386
1620	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1623		2389
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2392
…		…
1637	my ($self) = @_;	2403	my ($self) = @_;
1638		2404
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2406
1641	return if $self->players;	2407	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2408
1644	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1645		2410
1646	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1647		2412
1648	# need to save uniques path	2413	# need to save uniques path
1649	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2418	if $uniq;
1654	}	2419	}
1655		2420
1656	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1657		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2425	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2426
1662	$self->unlink_save;	2427	$self->unlink_save;
1663	$self->destroy;	2428	$self->destroy;
1664	}	2429	}
1665		2430
1666	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1667		2432
1668	sub nuke {	2433	sub nuke {
1669	my ($self) = @_;	2434	my ($self) = @_;
1670		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1671	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1672		2440
1673	$self->unlink_save;	2441	$self->unlink_save;
1674		2442
1675	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1676	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2448
1681	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1682		2451
1683	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1684	}	2489	}
1685		2490
1686	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1687		2492
1688	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2494	instantiated unique items. May block.
1690		2495
1691	=cut	2496	=cut
1692		2497
1693	sub unique_maps() {	2498	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1695	or return;	2500	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2501	utf8::decode $_;
1701	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2504	? ()
1704	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2507	]
1706
1707	\@paths
1708	}	2508	}
1709		2509
1710	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1711		2541
1712	=back	2542	=back
1713		2543
1714	=head3 cf::object	2544	=head3 cf::object
1715		2545
…		…
1719		2549
1720	=over 4	2550	=over 4
1721		2551
1722	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1723		2553
1724	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1725		2556
1726	=cut	2557	=cut
1727		2558
1728	sub inv_recursive_;	2559	sub inv_recursive_;
1729	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1732		2563
1733	sub inv_recursive {	2564	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1735	}	2566	}
1736		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1737	package cf;	2596	package cf;
1738		2597
1739	=back	2598	=back
1740		2599
1741	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1748	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1750		2609
1751	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1752		2625
1753	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2627	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1758		2631
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2633
1761	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1763	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1766	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1767	}	2659	}
1768		2660
1769	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1770		2662
1771	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1784		2676
1785	=item $player_object->enter_link	2677	=item $player_object->enter_link
1786		2678
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2680
1789	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
1790	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1791		2685
1792	Will never block.	2686	Will never block.
1793		2687
1794	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1795		2689
…		…
1815	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1816	my ($self) = @_;	2710	my ($self) = @_;
1817		2711
1818	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1819		2713
		2714	++$self->{_link_recursion};
		2715
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2717
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1824		2720
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1826	}	2722	}
1827		2723
1828	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1830		2728
1831	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1832		2730
1833	unless ($map) {	2731	unless ($map) {
1834	# restore original map position	2732	# restore original map position
…		…
1845	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1846	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1847		2745
1848	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1851		2749
1852	$map->load;	2750	$map->load;
1853	$map->load_diag;	2751	$map->load_neighbours;
1854		2752
1855	return unless $self->contr->active;	2753	return unless $self->contr->active;
1856	$self->activate_recursive;
1857		2754
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
1860	}	2757	# entering was successful
1861		2758	delete $self->{_link_recursion};
1862	cf::player->attach (	2759	# only activate afterwards, to support waiting in hooks
1863	on_logout => sub {	2760	$self->activate_recursive;
1864	my ($pl) = @_;
1865
1866	# abort map switching before logout
1867	if ($pl->ob->{_link_pos}) {
1868	cf::sync_job {
1869	$pl->ob->leave_link
1870	};
1871	}
1872	},	2761	}
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2762
1876	# try to abort aborted map switching on player login :)	2763	}
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2764
1894	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1895		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1896	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1897		2779
1898	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2791
1901	$self->enter_link;	2792	$self->enter_link;
1902		2793
1903	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1904	my $map = eval {	2816	my $map = eval {
1905	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1907	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2832	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1912	})->prio (1);	2840	})->prio (1);
1913	}	2841	}
1914		2842
1915	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1916		2844
…		…
1936	}	2864	}
1937		2865
1938	sub prepare_random_map {	2866	sub prepare_random_map {
1939	my ($exit) = @_;	2867	my ($exit) = @_;
1940		2868
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2871	# that depends on the exit object
1946		2872
1947	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2875	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1954	}	2882	}
1955		2883
1956	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1957		2885
1958	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1961		2889
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2892	undef $fh;
1965	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1966		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1969	}	2901	}
1970	}	2902	}
1971		2903
1972	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
1974		2906
1975	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
1976		2908
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2909	$self->enter_link;
1989		2910
1990	(async {	2911	(async {
1991	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
1992	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
1993	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
1994		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
1995	1;	2935	1
1996	}) {	2936	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2941
2002	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2003	$self->leave_link;	2943	$self->leave_link;
2004	}	2944	}
2005	})->prio (1);	2945	})->prio (1);
2006	}	2946	}
2007		2947
…		…
2021		2961
2022	utf8::encode $text;	2962	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2964	}
2025		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
2026	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2027		3154
2028	Sends an exti event to the client.	3155	Sends an ext event to the client.
2029		3156
2030	=cut	3157	=cut
2031		3158
2032	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2034		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
2037	}	3186	}
2038		3187
2039	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2040		3189
2041	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		3193
2045	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	3195	become reliable at some point in the future.
2047		3196
2048	=cut	3197	=cut
2049		3198
2050	sub cf::client::query {	3199	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	3208	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		3210
2062	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2064	}	3215	}
2065		3216
2066	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2067	on_reply => sub {	3223	on_reply => sub {
2068	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2069		3225
2070	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2071	# get handled first	3227	# get handled first
…		…
2083	} else {	3239	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3241	}
2086	}	3242	}
2087	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2088	);	3270	);
2089		3271
2090	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2091		3273
2092	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2108		3290
2109	$coro	3291	$coro
2110	}	3292	}
2111		3293
2112	cf::client->attach (	3294	cf::client->attach (
2113	on_destroy => sub {	3295	on_client_destroy => sub {
2114	my ($ns) = @_;	3296	my ($ns) = @_;
2115		3297
2116	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2117	},	3299	},
2118	);	3300	);
…		…
2133	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2135		3317
2136	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2137		3319
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2139		3325
2140	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2141		3327
2142	=pod	3328	=pod
2143		3329
2144	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2145		3331
2146	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2147	cf::object::player player	3337	cf::object::player
2148	cf::player peaceful	3338	player
2149	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2150		3345
2151	=cut	3346	=cut
2152		3347
2153	for (	3348	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2155	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2158	) {	3355	) {
2159	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2162	for @funs;	3358	for @funs;
2163	}	3359	}
2164		3360
…		…
2179		3375
2180	my $qcode = $code;	3376	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2183		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2184	local $_;	3383	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;
2186		3384
2187	my $eval =	3385	my $eval =
2188	"do {\n"	3386	"do {\n"
2189	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2190	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2191	. $code	3389	. $code
2192	. "\n}"	3390	. "\n}"
2193	;	3391	;
2194		3392
		3393	if ($CFG{safe_eval}) {
2195	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2196	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2197	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2198		3402
2199	if ($@) {	3403	if ($@) {
2200	warn "$@";	3404	warn "$@",
2201	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2202	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2203	}	3407	}
2204		3408
2205	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2206	}	3410	}
2207		3411
…		…
2221	=cut	3425	=cut
2222		3426
2223	sub register_script_function {	3427	sub register_script_function {
2224	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2225		3429
2226	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2227	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2228	}	3432	}
2229		3433
2230	=back	3434	=back
2231		3435
2232	=cut	3436	=cut
2233
2234	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305		3437
2306	#############################################################################	3438	#############################################################################
2307	# the server's init and main functions	3439	# the server's init and main functions
2308		3440
2309	sub load_facedata {	3441	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3442	my ($path) = @_;
2311		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2312	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2313		3451
2314	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2315	0 < aio_load $path, $facedata
2316	or die "$path: $!";
2317
2318	$facedata = Coro::Storable::thaw $facedata;
2319		3453
2320	$facedata->{version} == 2	3454	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
2323	{	3466	{
2324	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2325		3468
2326	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
2332	}	3479	}
2333		3480
2334	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2336	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2337	or next;	3485	or next;
		3486
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3490	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3492	}
2343	Coro::cede;	3493
		3494	cf::cede_to_tick;
2344	}	3495	}
2345	}	3496	}
2346		3497
2347	{	3498	{
2348	my $anims = $facedata->{animinfo};	3499	my $anims = $facedata->{animinfo};
2349		3500
2350	while (my ($anim, $info) = each %$anims) {	3501	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3503	cf::cede_to_tick;
2353	}	3504	}
2354		3505
2355	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2356	}	3507	}
2357		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
2358	1	3528	1
2359	}	3529	}
2360		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
		3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	load_resource_file "$MAPDIR/regions"
		3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
		3561	}
		3562
		3563	sub reload_facedata {
		3564	load_facedata "$DATADIR/facedata"
		3565	or die "unable to load facedata\n";
		3566	}
		3567
		3568	sub reload_archetypes {
		3569	load_resource_file "$DATADIR/archetypes"
		3570	or die "unable to load archetypes\n";
		3571	}
		3572
		3573	sub reload_treasures {
		3574	load_resource_file "$DATADIR/treasures"
		3575	or die "unable to load treasurelists\n";
		3576	}
		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
2361	sub reload_resources {	3598	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3599	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3600
		3601	reload_exp_table;
		3602	reload_materials;
2364	load_facedata	3603	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3604	reload_sound;
2366	}	3605	reload_archetypes;
2367
2368	sub init {
2369	reload_resources;	3606	reload_regions;
2370	}	3607	reload_treasures;
2371		3608
2372	sub cfg_load {	3609	trace "finished reloading resource files\n";
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3610	}
2374	or return;
2375		3611
2376	local $/;	3612	sub reload_config {
2377	*CFG = YAML::Syck::Load <$fh>;	3613	trace "reloading config file...\n";
2378		3614
		3615	my $config = load_file "$CONFDIR/config";
		3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
		3618
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3620
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2383		3623
2384	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2388	};	3628	};
2389	warn $@ if $@;	3629	warn $@ if $@;
2390	}	3630	}
2391	}	3631	}
2392		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2393	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2394	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3674	(async {
2398	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2400	};	3678	};
2401		3679
2402	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2403	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2404	load_extensions;	3703	load_extensions;
2405		3704
2406	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2408	}	3723	}
2409		3724
2410	#############################################################################	3725	#############################################################################
2411	# initialisation and cleanup	3726	# initialisation and cleanup
2412		3727
2413	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2414	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2423	},
2424	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2425	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2426	}	3824	}
2427		3825
2428	sub emergency_save() {	3826	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2430		3828
2431	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2432		3835
2433	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2434	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3847	$pl->save;
2442	}	3848	}
2443	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2444		3850
2445	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3856	$map->valid or next;
2449	$map->save;	3857	$map->save;
2450	}	3858	}
2451	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2452		3860
2453	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2456	};	3889	};
2457		3890
2458	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2459	}	3892	}
2460		3893
2461	sub post_cleanup {	3894	sub post_cleanup {
2462	my ($make_core) = @_;	3895	my ($make_core) = @_;
2463		3896
		3897	IO::AIO::flush;
		3898
2464	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3900	if $make_core;
2466	}
2467		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
		3929	}
		3930
2468	sub reload() {	3931	sub do_reload_perl() {
2469	# can/must only be called in main	3932	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2471	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2472	return;	3935	return;
2473	}	3936	}
2474		3937
2475	warn "reloading...";	3938	return if $RELOAD++;
2476		3939
2477	warn "entering sync_job";	3940	my $t1 = AE::time;
2478		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2479	cf::sync_job {	3948	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	3949	#cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		3950
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	3953	%EXT_CORO = ();
2508		3954
2509	warn "removing commands";	3955	trace "perl_reload: removing commands";
2510	%COMMAND = ();	3956	%COMMAND = ();
2511		3957
2512	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2513	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2514		3961
2515	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2518		3965
2519	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2520	eval {	3967	eval {
2521	$cb->($pkg);	3968	$cb->($pkg);
2522	1	3969	1
2523	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2524	}	3975	}
2525		3976
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3980
2534	warn "... unloading $k";	3981	trace "... unloading $k";
2535	delete $INC{$k};	3982	delete $INC{$k};
2536		3983
2537	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2539		3986
2540	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2542	}	3992	}
2543		3993
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3997
2551	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		4001
2554	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2555	# and global variables created in xs	4003	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2557		4005
2558	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2559		4007
2560	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2561	require cf;	4009	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2563		4011
2564	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2565	cf::cfg_load;	4013	cf::reload_config;
2566		4014
2567	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2568	cf::load_extensions;	4016	cf::load_extensions;
2569		4017
		4018	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2573	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2576		4026
2577	warn "loading reloadable resources";	4027	cf::_post_init 1;
2578	reload_resources;
2579		4028
2580	warn "leaving sync_job";	4029	trace "perl_reload: leaving sync_job";
2581		4030
2582	1	4031	1
2583	} or do {	4032	} or do {
2584	warn $@;	4033	error $@;
2585	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2586	exit 1;	4035	};
		4036
		4037	--$RELOAD;
		4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
		4042	};
		4043
		4044	our $RELOAD_WATCHER; # used only during reload
		4045
		4046	sub reload_perl() {
		4047	# doing reload synchronously and two reloads happen back-to-back,
		4048	# coro crashes during coro_state_free->destroy here.
		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
		4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4054	do_reload_perl;
		4055	undef $RELOAD_WATCHER;
		4056	};
2587	};	4057	};
2588		4058	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		4059
2594	register_command "reload" => sub {	4060	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2596		4062
2597	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2599		4065	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	4067	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	4068	};
2612	}	4069	}
2613	};	4070	};
2614		4071
2615	unshift @INC, $LIBDIR;	4072	#############################################################################
2616		4073
2617	my $bug_warning = 0;	4074	my $bug_warning = 0;
2618		4075
2619	$TICK_WATCHER = Event->timer (	4076	our @WAIT_FOR_TICK;
2620	reentrant => 0,	4077	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	4078
2622	prio => 0,	4079	sub wait_for_tick() {
2623	at => $NEXT_TICK || $TICK,	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	4081
2625	cb => sub {	4082	my $signal = new Coro::Signal;
		4083	push @WAIT_FOR_TICK, $signal;
		4084	$signal->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
2626	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2629	return;	4099	return;
2630	}	4100	}
2631		4101
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4105
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4110	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4112	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	4113	}
2658	);	4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
		4118	while (my $sig = shift @WAIT_FOR_TICK) {
		4119	$sig->send;
		4120	}
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2659		4133
2660	{	4134	{
2661	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4136
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2671		4138	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4140
2687	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		4148
2690	cf::sync_job {	4149	cf::sync_job {
2691	eval {	4150	eval {
2692	BDB::db_env_open	4151	BDB::db_env_open
2693	$DB_ENV,	4152	$DB_ENV,
2694	$BDB_ENV_DIR,	4153	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4156	0666;
2698		4157
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4159	};
2704		4160
2705	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4162	};
2707	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2708	}	4174	}
2709		4175
2710	{	4176	{
		4177	# configure IO::AIO
		4178
2711	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4182	}
		4183
		4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
		4186
		4187	sub _log_backtrace {
		4188	my ($msg, @addr) = @_;
		4189
		4190	$msg =~ s/\n$//;
		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4228	}
		4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2724		4234
2725	END { cf::emergency_save }	4235	END { cf::emergency_save }
2726		4236
2727	1	4237	1
2728		4238

Diff Legend

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