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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
88	sub cf::map::normalise;	177	sub cf::map::normalise;
89		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
90	#############################################################################	183	#############################################################################
91		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
92	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
93		197
94	=over 4	198	=over 4
95		199
96	=item $cf::UPTIME	200	=item $cf::UPTIME
97		201
98	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
99		218
100	=item $cf::RUNTIME	219	=item $cf::RUNTIME
101		220
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	222	every server tick.
104		223
105	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		227
107	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
109		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
110	=item $cf::NOW	239	=item $cf::LOAD
111		240
112	The time of the last (current) server tick.	241	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		242
118	=item %cf::CFG	243	=item %cf::CFG
119		244
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	246	from wherever your confdir points to.
122		247
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		249
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
129		282
130	=back	283	=back
131		284
132	=cut	285	=cut
133		286
134	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	294	my $msg = join "", @_;
137	utf8::encode $msg;
138		295
139	$msg .= "\n"	296	$msg .= "\n"
140	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
141		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
142	LOG llevError, $msg;	301	LOG llevWarn, $msg;
143	};	302	};
144	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
145		317
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		325
153	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	327	# within the Safe compartment.
155	for my $pkg (qw(	328	for my $pkg (qw(
156	cf::global cf::attachable	329	cf::global cf::attachable
157	cf::object cf::object::player	330	cf::object cf::object::player
158	cf::client cf::player	331	cf::client cf::player
159	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
160	cf::map cf::party cf::region	334	cf::party cf::region
161	)) {	335	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	337	}
165		338
166	$Event::DIED = sub {	339	$EV::DIED = sub {
167	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
168	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
169		349
170	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
171		351
172	=over 4	352	=over 4
173		353
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	373	$d
194	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
195	}	375	}
196		376
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
198		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
199	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
200		392
201	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
202		394
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
211		396
212	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
213		398
214	=cut	399	=cut
215		400
216	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
218	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
219	}	466	}
220		467
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	509	}
268	$WRITE_RUNTIME_WATCHER->start;	510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
269	};	578	}
270	$WRITE_RUNTIME_WATCHER->stop;	579	};
271	$TICK_WATCHER->stop;	580
272	$guard	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
273	}	594	}
274		595
275	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
276		597
277	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		603
283	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
284		605
285	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
286		607
287	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
290		612
291	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
294	fast or be very important.	616	fast or be very important.
…		…
296	=cut	618	=cut
297		619
298	sub sync_job(&) {	620	sub sync_job(&) {
299	my ($job) = @_;	621	my ($job) = @_;
300		622
301	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
302	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
304		628
305	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	630
307	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
308		632
309	my $busy = 1;	633	my $busy = 1;
310	my @res;	634	my @res;
311		635
312	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	638	@res = eval { $job->() };
314	warn $@ if $@;	639	error $@ if $@;
315	undef $busy;	640	undef $busy;
316	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
317		642
318	while ($busy) {	643	while ($busy) {
319	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
320	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
321		654
322	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
323	} else {	656	} else {
324	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
325		658
…		…
345	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
346		679
347	$coro	680	$coro
348	}	681	}
349		682
350	sub write_runtime {	683	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		684
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
354	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
355		689
356	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		691
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
361	and return;	693	reset_signals;
		694	}
362		695
363	aio_fsync $fh	696	sub fork_call(&@) {
364	and return;	697	my ($cb, @args) = @_;
365		698
366	close $fh	699	# we seemingly have to make a local copy of the whole thing,
367	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
368		702
369	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
370	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
371		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
372	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	886	}
374		887
375	=back	888	=back
376		889
377	=cut	890	=cut
378		891
379	#############################################################################	892	#############################################################################
380		893
381	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
382		895
383	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
386		899
387	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	902	Deliantra).
390		903
391	=over 4	904	=over 4
392		905
393	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
394		907
…		…
438	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
439		952
440	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
442		955
443	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
445		958
446	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
447		960
448	=over 4	961	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
558		1071
559	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1076
564	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
566		1079
567	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
572		1085
573	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1088
576	} elsif (ref $type) {	1089	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
578		1091
579	} else {	1092	} else {
580	shift @arg;	1093	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
582	}	1095	}
583	}	1096	}
584	}	1097	}
585		1098
586	sub _object_attach {	1099	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
597	}	1110	}
598		1111
599	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
600	} else {	1113	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1115	}
603		1116
604	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
605	}	1118	}
606		1119
…		…
608	if (ref $_[0]) {	1121	if (ref $_[0]) {
609	_object_attach @_;	1122	_object_attach @_;
610	} else {	1123	} else {
611	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
612	}	1125	}
		1126	_recalc_want;
613	};	1127	};
614		1128
615	# all those should be optimised	1129	# all those should be optimised
616	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1135	reattach ($obj);
622	} else {	1136	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
624	}	1138	}
		1139	_recalc_want;
625	};	1140	};
626		1141
627	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
629		1144
…		…
644	";	1159	";
645	die if $@;	1160	die if $@;
646	}	1161	}
647		1162
648	our $override;	1163	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1165
651	sub override {	1166	sub override {
652	$override = 1;	1167	$override = 1;
653	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
654	}	1169	}
655		1170
656	sub do_invoke {	1171	sub do_invoke {
657	my $event = shift;	1172	my $event = shift;
658	my $callbacks = shift;	1173	my $callbacks = shift;
659		1174
660	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
661		1176
662	local $override;	1177	local $override;
663		1178
664	for (@$callbacks) {	1179	for (@$callbacks) {
665	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
666		1181
667	if ($@) {	1182	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1184	override;
671	}	1185	}
672		1186
673	return 1 if $override;	1187	return 1 if $override;
674	}	1188	}
675		1189
676	0	1190	0
677	}	1191	}
678		1192
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1194
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1196
683	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
684		1198
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1202
689	=back	1203	=back
690		1204
691	=cut	1205	=cut
692		1206
693	#############################################################################	1207	#############################################################################
694	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
695		1251
696	sub reattach {	1252	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1254	my ($obj) = @_;
699		1255
		1256	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1258
702	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
703		1260
704	@$registry = ();	1261	@$registry = ();
705		1262
…		…
710	for (@$attach) {	1267	for (@$attach) {
711	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
713	}	1270	}
714	} else {	1271	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1273	}
717	}	1274	}
718	}	1275	}
719		1276
720	cf::attachable->attach (	1277	cf::attachable->attach (
721	prio => -1000000,	1278	prio => -1000000,
722	on_instantiate => sub {	1279	on_instantiate => sub {
723	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
724		1281
725	$data = from_json $data;	1282	$data = decode_json $data;
726		1283
727	for (@$data) {	1284	for (@$data) {
728	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
729		1286
730	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1303	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
748		1305
749	sync_job {	1306	sync_job {
750	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
753		1312
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
758	close $fh;	1320	aio_close $fh;
759		1321
760	if (@$objs) {	1322	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
766	close $fh;	1331	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
768	}	1333	}
769	} else {	1334	} else {
770	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
771	}	1336	}
772		1337
773	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1342	} else {
775	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
776	}	1344	}
777	} else {	1345	} else {
778	aio_unlink $filename;	1346	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
780	}	1348	}
781	}	1349	};
782	}	1350	}
783		1351
784	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
786		1354
…		…
798	or return;	1366	or return;
799		1367
800	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
802	or return;	1370	or return;
		1371
803	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
804	}	1374	}
805		1375
		1376	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
808	return ($data, $av);	1381	($data, $av)
809	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
810		1389
811	#############################################################################	1390	#############################################################################
812	# command handling &c	1391	# command handling &c
813		1392
814	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1407	}
829		1408
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1410
832	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
833		1416
834	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
835	called.	1418	called.
836		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
837	=cut	1431	=cut
838		1432
839	sub register_extcmd {	1433	sub register_extcmd {
840	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
841		1435
842	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
843	}	1437	}
844		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
845	cf::player->attach (	1447	cf::player->attach (
846	on_command => sub {	1448	on_unknown_command => sub {
847	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
848		1450
849	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
850	or return;	1452	or return;
851		1453
…		…
856	cf::override;	1458	cf::override;
857	},	1459	},
858	on_extcmd => sub {	1460	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
860		1462
861	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1464
863	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
869	} else {	1477	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1479	}
872		1480
873	cf::override;	1481	cf::override;
874	},	1482	},
875	);	1483	);
876		1484
		1485	# "readahead" all extensions
877	sub load_extension {	1486	sub cache_extensions {
878	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
879		1488
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
881	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1492	}
905	die $@;
906	}	1493	};
907		1494
908	push @EXTS, $pkg;	1495	$grp
909	}	1496	}
910		1497
911	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
912	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1505	next unless -r $path;
914	eval {	1506
915	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
916	1	1570	}
917	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
918	}	1583	};
919	}	1584	}
920		1585
921	#############################################################################	1586	#############################################################################
922		1587
		1588	=back
		1589
923	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
924		1591
925	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
926		1593
927	=cut	1594	=cut
928		1595
929	package cf::player;	1596	package cf::player;
930		1597
…		…
932		1599
933	=head3 cf::player	1600	=head3 cf::player
934		1601
935	=over 4	1602	=over 4
936		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
		1617
937	=item cf::player::find $login	1618	=item cf::player::find $login
938		1619
939	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
940		1621
941	=cut	1622	=cut
942		1623
943	sub playerdir($) {	1624	sub playerdir($) {
944	cf::localdir	1625	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1626	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1627	}
950		1628
951	sub path($) {	1629	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1630	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1631
954	(playerdir $login) . "/$login.pl"	1632	(playerdir $login) . "/playerdata"
955	}	1633	}
956		1634
957	sub find_active($) {	1635	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1636	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1637	and $cf::PLAYER{$_[0]}->active
…		…
962		1640
963	sub exists($) {	1641	sub exists($) {
964	my ($login) = @_;	1642	my ($login) = @_;
965		1643
966	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
968	}	1646	}
969		1647
970	sub find($) {	1648	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1650	my $login = $_[0];
973		1651
974	my $guard = cf::lock_acquire "user_find:$login";	1652	my $guard = cf::lock_acquire "user_find:$login";
975		1653
976	$cf::PLAYER{$_[0]} || do {	1654	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1655	# rename old playerfiles to new ones
		1656	#TODO: remove when no longer required
		1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1660	aio_unlink +(playerdir $login) . "/$login.pl";
		1661
		1662	my $f = new_from_file cf::object::thawer path $login
978	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
980	}	1671	}
981	}	1672	}
982	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
983		1687
984	sub save($) {	1688	sub save($) {
985	my ($pl) = @_;	1689	my ($pl) = @_;
986		1690
987	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
992	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
993		1697
994	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
996		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
997	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
998	Coro::cede;	1707	cf::cede_to_tick;
999	}	1708	}
1000		1709
1001	sub new($) {	1710	sub new($) {
1002	my ($login) = @_;	1711	my ($login) = @_;
1003		1712
…		…
1009	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1010		1719
1011	$self	1720	$self
1012	}	1721	}
1013		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1014	=item $pl->quit_character	1733	=item $pl->quit_character
1015		1734
1016	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1018		1737
1019	=cut	1738	=cut
1020		1739
1021	sub quit_character {	1740	sub quit_character {
1022	my ($pl) = @_;	1741	my ($pl) = @_;
1023		1742
		1743	my $name = $pl->ob->name;
		1744
1024	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1026		1747
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1028	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1030	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1031		1756
1032	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1760	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1761	$pl->destroy;
		1762
		1763	my $prefix = qr<^~\Q$name\E/>;
		1764
		1765	# nuke player maps
		1766	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1767
1037	IO::AIO::aio_rmtree $temp;	1768	IO::AIO::aio_rmtree $temp;
		1769	}
		1770
		1771	=item $pl->kick
		1772
		1773	Kicks a player out of the game. This destroys the connection.
		1774
		1775	=cut
		1776
		1777	sub kick {
		1778	my ($pl, $kicker) = @_;
		1779
		1780	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1781	$pl->killer ("kicked");
		1782	$pl->ns->destroy;
1038	}	1783	}
1039		1784
1040	=item cf::player::list_logins	1785	=item cf::player::list_logins
1041		1786
1042	Returns am arrayref of all valid playernames in the system, can take a	1787	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1788	while and may block, so not sync_job-capable, ever.
1044		1789
1045	=cut	1790	=cut
1046		1791
1047	sub list_logins {	1792	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1793	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1794	or return [];
1050		1795
1051	my @logins;	1796	my @logins;
1052		1797
1053	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1057		1808
1058	utf8::decode $login;	1809	utf8::decode $login;
1059	push @logins, $login;	1810	push @logins, $login;
1060	}	1811	}
1061		1812
1062	\@logins	1813	\@logins
1063	}	1814	}
1064		1815
1065	=item $player->maps	1816	=item $player->maps
1066		1817
		1818	=item cf::player::maps $login
		1819
1067	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1068	player. May block.	1821	player. May block.
1069		1822
1070	=cut	1823	=cut
1071		1824
1072	sub maps($) {	1825	sub maps($) {
1073	my ($pl) = @_;	1826	my ($pl) = @_;
		1827
		1828	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1829
1075	my $files = aio_readdir playerdir $pl	1830	my $files = aio_readdir playerdir $pl
1076	or return;	1831	or return;
1077		1832
1078	my @paths;	1833	my @paths;
…		…
1080	for (@$files) {	1835	for (@$files) {
1081	utf8::decode $_;	1836	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1837	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1838	next unless /^$PATH_SEP/o;
1084		1839
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1840	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1841	}
1087		1842
1088	\@paths	1843	\@paths
1089	}	1844	}
1090		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1092		1851
1093	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1094		1853
1095	=cut	1854	=cut
1096		1855
1097	sub ext_reply($$$%) {	1856	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1099		1858
1100	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1860	}
1104		1861
1105	package cf;	1862	=item $player->ext_msg ($type, @msg)
		1863
		1864	Sends an ext event to the client.
		1865
		1866	=cut
		1867
		1868	sub ext_msg($$@) {
		1869	my ($self, $type, @msg) = @_;
		1870
		1871	$self->ns->ext_msg ($type, @msg);
		1872	}
		1873
		1874	=head3 cf::region
		1875
		1876	=over 4
		1877
		1878	=cut
		1879
		1880	package cf::region;
		1881
		1882	=item cf::region::find_by_path $path
		1883
		1884	Tries to decuce the likely region for a map knowing only its path.
		1885
		1886	=cut
		1887
		1888	sub find_by_path($) {
		1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
		1893	my ($match, $specificity);
		1894
		1895	for my $region (list) {
		1896	if ($region->{match} && $path =~ $region->{match}) {
		1897	($match, $specificity) = ($region, $region->specificity)
		1898	if $region->specificity > $specificity;
		1899	}
		1900	}
		1901
		1902	$match
		1903	}
1106		1904
1107	=back	1905	=back
1108
1109		1906
1110	=head3 cf::map	1907	=head3 cf::map
1111		1908
1112	=over 4	1909	=over 4
1113		1910
…		…
1125	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1127		1924
1128	sub generate_random_map {	1925	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1130	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1131	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1135	$rmp->{exit_on_final_map},
1136	$rmp->{xsize}, $rmp->{ysize},
1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1140	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1142	(cf::region::find $rmp->{region}), $rmp->{custom}
1143	)
1144	}	1931	}
1145		1932
1146	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1147		1934
1148	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1153		1940
1154	sub register {	1941	sub register {
1155	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1156	my $pkg = caller;	1943	my $pkg = caller;
1157		1944
1158	no strict;
1159	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1160		1946
1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1162	}	1948	}
1163		1949
1164	# also paths starting with '/'	1950	# also paths starting with '/'
1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1166		1952
1167	sub thawer_merge {	1953	sub thawer_merge {
1168	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1169		1955
1170	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1171	local $self->{path};	1957	local $self->{path};
1172	local $self->{load_path};	1958	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1959
1176	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1177	}	1961	}
1178		1962
1179	sub normalise {	1963	sub normalise {
1180	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1181		1965
1182	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1183		1967
1184	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1185		1969
1186	# map plan:	1970	# map plan:
1187	#	1971	#
…		…
1202	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1203	$path = "$base/$path";	1987	$path = "$base/$path";
1204	}	1988	}
1205		1989
1206	for ($path) {	1990	for ($path) {
1207	redo if s{//}{/};
1208	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1209	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1210	}	1993	}
1211		1994
1212	$path	1995	$path
…		…
1226	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1227	return $self;	2010	return $self;
1228	}	2011	}
1229	}	2012	}
1230		2013
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1232	()	2015	()
1233	}	2016	}
1234		2017
		2018	# may re-bless or do other evil things
1235	sub init {	2019	sub init {
1236	my ($self) = @_;	2020	my ($self) = @_;
1237		2021
1238	$self	2022	$self
1239	}	2023	}
…		…
1251		2035
1252	# the original (read-only) location	2036	# the original (read-only) location
1253	sub load_path {	2037	sub load_path {
1254	my ($self) = @_;	2038	my ($self) = @_;
1255		2039
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2040	"$MAPDIR/$self->{path}.map"
1257	}	2041	}
1258		2042
1259	# the temporary/swap location	2043	# the temporary/swap location
1260	sub save_path {	2044	sub save_path {
1261	my ($self) = @_;	2045	my ($self) = @_;
1262		2046
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2048	"$TMPDIR/$path.map"
1265	}	2049	}
1266		2050
1267	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1268	sub uniq_path {	2052	sub uniq_path {
1269	my ($self) = @_;	2053	my ($self) = @_;
1270		2054
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2056	"$UNIQUEDIR/$path"
1273	}	2057	}
1274		2058
1275	# and all this just because we cannot iterate over	2059	sub decay_objects {
1276	# all maps in C++...
1277	sub change_all_map_light {
1278	my ($change) = @_;	2060	my ($self) = @_;
1279		2061
1280	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1281	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1282	}	2065	}
1283		2066
1284	sub unlink_save {	2067	sub unlink_save {
1285	my ($self) = @_;	2068	my ($self) = @_;
1286		2069
…		…
1291		2074
1292	sub load_header_from($) {	2075	sub load_header_from($) {
1293	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1294		2077
1295	utf8::encode $path;	2078	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1297	or return;	2080	or return;
1298		2081
1299	$self->_load_header ($path)	2082	$self->_load_header ($f)
1300	or return;	2083	or return;
1301		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1302	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1303		2089
1304	1	2090	1
1305	}	2091	}
1306		2092
		2093	# used to laod the header of an original map
1307	sub load_header_orig {	2094	sub load_header_orig {
1308	my ($self) = @_;	2095	my ($self) = @_;
1309		2096
1310	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1311	}	2098	}
1312		2099
		2100	# used to laod the header of an instantiated map
1313	sub load_header_temp {	2101	sub load_header_temp {
1314	my ($self) = @_;	2102	my ($self) = @_;
1315		2103
1316	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1317	}	2105	}
1318		2106
		2107	# called after loading the header from an instantiated map
1319	sub prepare_temp {	2108	sub prepare_temp {
1320	my ($self) = @_;	2109	my ($self) = @_;
1321		2110
1322	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1323	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1324	# safety	2113	# safety
1325	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1326	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1327	}	2116	}
1328		2117
		2118	# called after loading the header from an original map
1329	sub prepare_orig {	2119	sub prepare_orig {
1330	my ($self) = @_;	2120	my ($self) = @_;
1331		2121
1332	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1333	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1344	$self->load_header_orig	2134	$self->load_header_orig
1345	or return;	2135	or return;
1346	$self->prepare_orig;	2136	$self->prepare_orig;
1347	}	2137	}
1348		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
		2142	$self->default_region (cf::region::find_by_path $self->{path})
		2143	unless $self->default_region;
		2144
1349	1	2145	1
1350	}	2146	}
1351		2147
1352	sub find;	2148	sub find;
1353	sub find {	2149	sub find {
1354	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1355		2151
		2152	cf::cede_to_tick;
		2153
1356	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1357		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1359		2158
1360	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";
1362	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1363	or return;	2161	or return;
1364		2162
1365	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1366		2164
1367	$map->load_header	2165	$map->load_header
1368	or return;	2166	or return;
1369		2167
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1373	$map->reset;	2173	$map->reset;
1374	undef $guard;
1375	return find $path;	2174	return find $path;
1376	}	2175	}
1377		2176
1378	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1379	}	2178	}
1380	}	2179	}
1381		2180
1382	sub pre_load { }	2181	sub pre_load { }
1383	sub post_load { }	2182	#sub post_load { } # XS
1384		2183
1385	sub load {	2184	sub load {
1386	my ($self) = @_;	2185	my ($self) = @_;
1387		2186
1388	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1389		2188
1390	my $path = $self->{path};	2189	my $path = $self->{path};
		2190
		2191	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1392		2193
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2194	return unless $self->valid;
		2195	return unless $self->state == cf::MAP_SWAPPED;
1394		2196
1395	$self->in_memory (cf::MAP_LOADING);
1396
1397	$self->alloc;	2197	$self->alloc;
1398		2198
1399	$self->pre_load;	2199	$self->pre_load;
		2200	cf::cede_to_tick;
1400		2201
1401	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1402	or return;	2206	or return;
1403		2207
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1405	if delete $self->{load_original};	2209	if delete $self->{load_original};
1406		2210
1407	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2212	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2215	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1412	}	2220	}
1413	}
1414		2221
1415	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
1416		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1417	# now do the right thing for maps	2231	# now do the right thing for maps
1418	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2234	unless $self->difficulty;
1428	Coro::cede;	2235	cf::cede_to_tick;
1429	$self->activate;	2236
		2237	unless ($self->{deny_activate}) {
		2238	$self->decay_objects;
		2239	$self->fix_auto_apply;
		2240	$self->update_buttons;
		2241	cf::cede_to_tick;
		2242	#$self->activate; # no longer activate maps automatically
		2243	}
		2244
		2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1430	}	2247	}
1431		2248
1432	$self->post_load;	2249	$self->post_load;
1433		2250
1434	$self->in_memory (cf::MAP_IN_MEMORY);	2251	1
1435	}	2252	}
1436		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1437	sub customise_for {	2257	sub customise_for {
1438	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1439		2259
1440	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2261	if $self->per_player;
1442		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1443	$self	2266	$self
1444	}
1445
1446	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {
1448	my ($map) = @_;
1449
1450	my @diag; # diagonal neighbours
1451
1452	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)
1454	or next;
1455	$neigh = find $neigh, $map
1456	or next;
1457	$neigh->load;
1458
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}
1462
1463	for (@diag) {
1464	my $neigh = find @$_
1465	or next;
1466	$neigh->load;
1467	}
1468	}	2267	}
1469		2268
1470	sub find_sync {	2269	sub find_sync {
1471	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1472		2271
1473	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1474	}	2277	}
1475		2278
1476	sub do_load_sync {	2279	sub do_load_sync {
1477	my ($map) = @_;	2280	my ($map) = @_;
1478		2281
1479	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1480	}	2287	}
1481		2288
1482	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1484		2291
1485	sub find_async {	2292	sub find_async {
1486	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1487		2294
1488	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1489		2296
1490	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1492	}	2299	}
1493		2300
1494	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1495	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1496	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2308	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2309	$map->load if $v;
		2310	}
1501		2311
1502	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1503	}	2313	}
1504	}	2314	}
1505	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1506	};	2316	};
1507	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1508		2318
1509	()	2319	()
1510	}	2320	}
1511		2321
		2322	# common code, used by both ->save and ->swapout
1512	sub save {	2323	sub _save {
1513	my ($self) = @_;	2324	my ($self) = @_;
1514
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
1516		2325
1517	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1518		2327
1519	return unless $self->dirty;	2328	return unless $self->dirty;
1520		2329
…		…
1526	return if $self->{deny_save};	2335	return if $self->{deny_save};
1527		2336
1528	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1529		2338
1530	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1532	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1533		2345
1534	if ($uniq) {	2346	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2349	} else {
1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2351	}
1540	}	2352	}
1541		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1542	sub swap_out {	2362	sub swap_out {
1543	my ($self) = @_;	2363	my ($self) = @_;
1544		2364
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1550	return if $self->players;	2369	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1554	$self->clear;	2380	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2381	}
1557		2382
1558	sub reset_at {	2383	sub reset_at {
1559	my ($self) = @_;	2384	my ($self) = @_;
1560		2385
1561	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1564		2388
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2391
…		…
1578	my ($self) = @_;	2402	my ($self) = @_;
1579		2403
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2405
1582	return if $self->players;	2406	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2407
1585	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
		2409
		2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
1586		2419
1587	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1588		2421
1589	$self->in_memory (cf::MAP_SWAPPED);	2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2424	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2425
1594	$self->unlink_save;	2426	$self->unlink_save;
1595	$self->destroy;	2427	$self->destroy;
1596	}	2428	}
1597		2429
1598	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1599		2431
1600	sub nuke {	2432	sub nuke {
1601	my ($self) = @_;	2433	my ($self) = @_;
1602		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1603	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1604		2439
1605	$self->unlink_save;	2440	$self->unlink_save;
1606		2441
1607	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1608	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2447
1613	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1614		2450
1615	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1616	}	2488	}
1617		2489
1618	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1619		2491
1620	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2493	instantiated unique items. May block.
1622		2494
1623	=cut	2495	=cut
1624		2496
1625	sub unique_maps() {	2497	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2498	[
1627	or return;	2499	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2500	utf8::decode $_;
1633	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2503	? ()
1636	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2506	]
1638
1639	\@paths
1640	}	2507	}
1641		2508
1642	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1643		2540
1644	=back	2541	=back
1645		2542
1646	=head3 cf::object	2543	=head3 cf::object
1647		2544
…		…
1651		2548
1652	=over 4	2549	=over 4
1653		2550
1654	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1655		2552
1656	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1657		2555
1658	=cut	2556	=cut
1659		2557
1660	sub inv_recursive_;	2558	sub inv_recursive_;
1661	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1664		2562
1665	sub inv_recursive {	2563	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1667	}	2565	}
1668		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1669	package cf;	2595	package cf;
1670		2596
1671	=back	2597	=back
1672		2598
1673	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1679	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1681	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1682		2608
1683	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1684		2624
1685	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2626	# with dialog boxes.
1687	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1688	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1690		2630
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2632
1693	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1695	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1698	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1699	}	2658	}
1700		2659
1701	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1702		2661
1703	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1716		2675
1717	=item $player_object->enter_link	2676	=item $player_object->enter_link
1718		2677
1719	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1720		2679
1721	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1722	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1723		2684
1724	Will never block.	2685	Will never block.
1725		2686
1726	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1727		2688
…		…
1747	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1748	my ($self) = @_;	2709	my ($self) = @_;
1749		2710
1750	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1751		2712
		2713	++$self->{_link_recursion};
		2714
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2716
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1756		2719
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1758	}	2721	}
1759		2722
1760	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1762		2727
1763	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1764		2729
1765	unless ($map) {	2730	unless ($map) {
1766	# restore original map position	2731	# restore original map position
…		…
1777	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1778	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1779		2744
1780	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1783		2748
1784	$map->load;	2749	$map->load;
1785	$map->load_diag;
1786		2750
1787	return unless $self->contr->active;	2751	return unless $self->contr->active;
		2752
		2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2754	if ($self->enter_map ($map, $x, $y)) {
		2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
1788	$self->activate_recursive;	2758	$self->activate_recursive;
1789	$self->enter_map ($map, $x, $y);
1790	}
1791
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},	2759	}
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2760
1806	# try to abort aborted map switching on player login :)	2761	}
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2762
1824	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1825		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1826	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1827		2777
1828	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2789
1831	$self->enter_link;	2790	$self->enter_link;
1832		2791
1833	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1834	my $map = eval {	2814	my $map = eval {
1835	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1837	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2830	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1842	})->prio (1);	2838	})->prio (1);
1843	}	2839	}
1844		2840
1845	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1846		2842
…		…
1866	}	2862	}
1867		2863
1868	sub prepare_random_map {	2864	sub prepare_random_map {
1869	my ($exit) = @_;	2865	my ($exit) = @_;
1870		2866
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2869	# that depends on the exit object
1876		2870
1877	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2873	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1884	}	2880	}
1885		2881
1886	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1887		2883
1888	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1891		2887
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2890	undef $fh;
1895	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1896		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1899	}	2899	}
1900	}	2900	}
1901		2901
1902	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
1904		2904
1905	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1906		2906
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2907	$self->enter_link;
1917		2908
1918	(async {	2909	(async {
1919	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1920	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
1921	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
1922		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
1923	1;	2948	1
1924	}) {	2949	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2954
1930	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
1931	$self->leave_link;	2956	$self->leave_link;
1932	}	2957	}
1933	})->prio (1);	2958	})->prio (1);
1934	}	2959	}
1935		2960
…		…
1946		2971
1947	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
1949		2974
1950	utf8::encode $text;	2975	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2977	}
1953		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
		3166	=item $client->ext_msg ($type, @msg)
		3167
		3168	Sends an ext event to the client.
		3169
		3170	=cut
		3171
		3172	sub cf::client::ext_msg($$@) {
		3173	my ($self, $type, @msg) = @_;
		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
		3178	push @msg, msgtype => "event_$type";
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3195	}
1954		3196
1955	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
1956		3198
1957	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		3202
1961	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	3204	become reliable at some point in the future.
1963		3205
1964	=cut	3206	=cut
1965		3207
1966	sub cf::client::query {	3208	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	3217	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		3219
1978	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
1980	}	3224	}
1981		3225
1982	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
1983	on_reply => sub {	3232	on_reply => sub {
1984	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
1985		3234
1986	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
1987	# get handled first	3236	# get handled first
1988	my $queue = delete $ns->{query_queue}	3237	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	3238	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		3239
1991	(shift @$queue)->[1]->($msg);	3240	(shift @$queue)->[1]->($msg);
		3241	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		3242
1993	push @{ $ns->{query_queue} }, @$queue;	3243	push @{ $ns->{query_queue} }, @$queue;
1994		3244
1995	if (@{ $ns->{query_queue} } == @$queue) {	3245	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	3246	if (@$queue) {
…		…
1998	} else {	3248	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	3250	}
2001	}	3251	}
2002	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2003	);	3276	);
2004		3277
2005	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2006		3279
2007	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023		3296
2024	$coro	3297	$coro
2025	}	3298	}
2026		3299
2027	cf::client->attach (	3300	cf::client->attach (
2028	on_destroy => sub {	3301	on_client_destroy => sub {
2029	my ($ns) = @_;	3302	my ($ns) = @_;
2030		3303
2031	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2032	},	3305	},
2033	);	3306	);
…		…
2048	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2050		3323
2051	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2052		3325
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2054		3331
2055	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2056		3333
2057	=pod	3334	=pod
2058		3335
2059	The following fucntions and emthods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2060		3337
2061	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2062	cf::object::player player	3343	cf::object::player
2063	cf::player peaceful	3344	player
2064	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2065		3351
2066	=cut	3352	=cut
2067		3353
2068	for (	3354	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2070	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2072	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2073	) {	3361	) {
2074	no strict 'refs';
2075	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2076	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2077	for @funs;	3364	for @funs;
2078	}	3365	}
2079		3366
…		…
2094		3381
2095	my $qcode = $code;	3382	my $qcode = $code;
2096	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2097	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2098		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2099	local $_;	3389	local $_;
2100	local @safe::cf::_safe_eval_args = values %vars;
2101		3390
2102	my $eval =	3391	my $eval =
2103	"do {\n"	3392	"do {\n"
2104	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2105	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2106	. $code	3395	. $code
2107	. "\n}"	3396	. "\n}"
2108	;	3397	;
2109		3398
		3399	if ($CFG{safe_eval}) {
2110	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2111	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2112	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2113		3408
2114	if ($@) {	3409	if ($@) {
2115	warn "$@";	3410	warn "$@",
2116	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2117	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2118	}	3413	}
2119		3414
2120	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2121	}	3416	}
2122		3417
…		…
2136	=cut	3431	=cut
2137		3432
2138	sub register_script_function {	3433	sub register_script_function {
2139	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2140		3435
2141	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2142	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2143	}	3438	}
2144		3439
2145	=back	3440	=back
2146		3441
2147	=cut	3442	=cut
2148		3443
2149	#############################################################################	3444	#############################################################################
		3445	# the server's init and main functions
2150		3446
2151	=head2 EXTENSION DATABASE SUPPORT	3447	sub load_facedata($) {
		3448	my ($path) = @_;
2152		3449
2153	Crossfire maintains a very simple database for extension use. It can	3450	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3451	# for this (global event?)
2155	excludes objects.	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3453
2157	The parameter C<$family> should best start with the name of the extension	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3455
2160	=over 4	3456	trace "loading facedata from $path\n";
2161		3457
2162	=item $hashref = cf::db_get $family	3458	my $facedata = decode_storable load_file $path;
2163		3459
2164	Return a hashref for use by the extension C<$family>, which can be	3460	$facedata->{version} == 2
2165	modified. After modifications, you have to call C<cf::db_dirty> or	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2166	C<cf::db_sync>.
2167		3462
2168	=item $value = cf::db_get $family => $key	3463	# patch in the exptable
2169		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2170	Returns a single value from the database	3465	$facedata->{resource}{"res/exp_table"} = {
2171		3466	type => FT_RSRC,
2172	=item cf::db_put $family => $hashref	3467	data => $exp_table,
2173		3468	hash => (Digest::MD5::md5 $exp_table),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3469	};
		3470	cf::cede_to_tick;
2200		3471
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3472	{
		3473	my $faces = $facedata->{faceinfo};
2212		3474
2213	my $dirty;	3475	while (my ($face, $info) = each %$faces) {
		3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3477
2215	sub db_sync() {	3478	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2218	}	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2219		3483
2220	my $idle = Event->idle (	3484	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3485	}
2254	);
2255	}
2256		3486
2257	#############################################################################	3487	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3488	next unless $info->{smooth};
2259		3489
2260	sub cfg_load {	3490	my $idx = cf::face::find $face
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3491	or next;
2262	or return;
2263		3492
2264	local $/;	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2265	*CFG = YAML::Syck::Load <$fh>;	3494	cf::face::set_smooth $idx, $smooth;
		3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3496	} else {
		3497	error "smooth face '$info->{smooth}' not found for face '$face'";
		3498	}
2266		3499
		3500	cf::cede_to_tick;
		3501	}
		3502	}
		3503
		3504	{
		3505	my $anims = $facedata->{animinfo};
		3506
		3507	while (my ($anim, $info) = each %$anims) {
		3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3509	cf::cede_to_tick;
		3510	}
		3511
		3512	cf::anim::invalidate_all; # d'oh
		3513	}
		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
		3536	1
		3537	}
		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
		3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
		3562	load_resource_file "$MAPDIR/regions"
		3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
		3569	}
		3570
		3571	sub reload_facedata {
		3572	load_facedata "$DATADIR/facedata"
		3573	or die "unable to load facedata\n";
		3574	}
		3575
		3576	sub reload_archetypes {
		3577	load_resource_file "$DATADIR/archetypes"
		3578	or die "unable to load archetypes\n";
		3579	}
		3580
		3581	sub reload_treasures {
		3582	load_resource_file "$DATADIR/treasures"
		3583	or die "unable to load treasurelists\n";
		3584	}
		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
		3606	sub reload_resources {
		3607	trace "reloading resource files...\n";
		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
		3614	reload_regions;
		3615	reload_treasures;
		3616
		3617	trace "finished reloading resource files\n";
		3618	}
		3619
		3620	sub reload_config {
		3621	trace "reloading config file...\n";
		3622
		3623	my $config = load_file "$CONFDIR/config";
		3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
		3626
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2268		3628
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2271		3631
2272	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2276	};	3636	};
2277	warn $@ if $@;	3637	warn $@ if $@;
2278	}	3638	}
2279	}	3639	}
2280		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2281	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2282	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3682	(async {
2286	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2288	};	3686	};
2289		3687
2290	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
		3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2292	load_extensions;	3711	load_extensions;
2293		3712
2294	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2295	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2296	}	3730	}
2297		3731
2298	#############################################################################	3732	#############################################################################
2299	# initialisation and cleanup	3733	# initialisation and cleanup
2300		3734
2301	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2302	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2311	},
2312	);	3741	};
		3742	}
		3743	}
		3744
		3745	sub write_runtime_sync {
		3746	my $t0 = AE::time;
		3747
		3748	# first touch the runtime file to show we are still running:
		3749	# the fsync below can take a very very long time.
		3750
		3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3752
		3753	my $guard = cf::lock_acquire "write_runtime";
		3754
		3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3756	or return;
		3757
		3758	my $value = $cf::RUNTIME + 90 + 10;
		3759	# 10 is the runtime save interval, for a monotonic clock
		3760	# 60 allows for the watchdog to kill the server.
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	# touch it again to show we are up-to-date
		3770	aio_utime $fh, undef, undef;
		3771
		3772	close $fh
		3773	or return;
		3774
		3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3776	and return;
		3777
		3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3779
2313	}	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2314	}	3831	}
2315		3832
2316	sub emergency_save() {	3833	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2318		3835
2319	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2320		3842
2321	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2322	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3854	$pl->save;
2330	}	3855	}
2331	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2332		3857
2333	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3863	$map->valid or next;
2337	$map->save;	3864	$map->save;
2338	}	3865	}
2339	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
		3867
		3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
		3871	BDB::db_env_txn_checkpoint $DB_ENV;
		3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3896	};
2341		3897
2342	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2343	}	3899	}
2344		3900
		3901	sub post_cleanup {
		3902	my ($make_core) = @_;
		3903
		3904	IO::AIO::flush;
		3905
		3906	error Carp::longmess "post_cleanup backtrace"
		3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
		3936	}
		3937
2345	sub reload() {	3938	sub do_reload_perl() {
2346	# can/must only be called in main	3939	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2348	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2349	return;	3942	return;
2350	}	3943	}
2351		3944
2352	warn "reloading...";	3945	return if $RELOAD++;
2353		3946
2354	warn "cancelling server ticker";	3947	my $t1 = AE::time;
2355	$TICK_WATCHER->cancel;
2356		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
		3955	cf::sync_job {
2357	cf::emergency_save;	3956	#cf::emergency_save;
2358		3957
2359	eval {
2360	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";
2371	for (;;) {
2372	IO::AIO::flush;
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3960	%EXT_CORO = ();
2381		3961
2382	warn "removing commands";	3962	trace "perl_reload: removing commands";
2383	%COMMAND = ();	3963	%COMMAND = ();
2384		3964
2385	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2386	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2387		3968
2388	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2391		3972
2392	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2393	eval {	3974	eval {
2394	$cb->($pkg);	3975	$cb->($pkg);
2395	1	3976	1
2396	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2397	}	3982	}
2398		3983
2399	warn "... nuking $pkg";
2400	Symbol::delete_package $pkg;
2401	}
2402
2403	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2404	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3987
2407	warn "... unloading $k";	3988	trace "... unloading $k";
2408	delete $INC{$k};	3989	delete $INC{$k};
2409		3990
2410	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2412		3993
2413	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2414	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2415	}	3999	}
2416		4000
2417	Symbol::delete_package $k;
2418	}
2419
2420	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		4004
2424	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
		4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2426		4008
2427	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2428	# and global variables created in xs	4010	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2430		4012
2431	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2432		4014
2433	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2434	require cf;	4016	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2436		4018
2437	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2438	cf::cfg_load;	4020	cf::reload_config;
2439	cf::db_load;
2440		4021
2441	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2442	cf::load_extensions;	4023	cf::load_extensions;
2443		4024
		4025	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2445	_global_reattach;	4027	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2447	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
		4030	trace "perl_reload: reattaching attachments to players";
		4031	reattach $_ for values %PLAYER;
		4032	}
2448		4033
2449	warn "restarting server ticker";	4034	cf::_post_init 1;
2450		4035
2451	$TICK_WATCHER->start;	4036	trace "perl_reload: leaving sync_job";
		4037
		4038	1
		4039	} or do {
		4040	error $@;
		4041	cf::cleanup "perl_reload: error, exiting.";
		4042	};
		4043
		4044	--$RELOAD;
		4045	}
		4046
		4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
		4049	};
		4050
		4051	our $RELOAD_WATCHER; # used only during reload
		4052
		4053	sub reload_perl() {
		4054	# doing reload synchronously and two reloads happen back-to-back,
		4055	# coro crashes during coro_state_free->destroy here.
		4056
		4057	$RELOAD_WATCHER ||= cf::async {
		4058	Coro::AIO::aio_wait cache_extensions;
		4059
		4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4061	do_reload_perl;
		4062	undef $RELOAD_WATCHER;
		4063	};
2452	};	4064	};
2453		4065	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		4066
2465	register_command "reload" => sub {	4067	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2467		4069
2468	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
2470		4072	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	4073	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	4074	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	4075	};
2483	}	4076	}
2484	};	4077	};
2485		4078
2486	unshift @INC, $LIBDIR;	4079	#############################################################################
2487		4080
2488	my $bug_warning = 0;	4081	my $bug_warning = 0;
2489		4082
2490	$TICK_WATCHER = Event->timer (	4083	sub wait_for_tick() {
2491	reentrant => 0,	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2492	parked => 1,	4085
2493	prio => 0,	4086	$WAIT_FOR_TICK->wait;
2494	at => $NEXT_TICK || $TICK,	4087	}
2495	data => WF_AUTOCANCEL,	4088
2496	cb => sub {	4089	sub wait_for_tick_begin() {
		4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4091
		4092	my $signal = new Coro::Signal;
		4093	push @WAIT_FOR_TICK_BEGIN, $signal;
		4094	$signal->wait;
		4095	}
		4096
		4097	sub tick {
2497	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2500	return;	4101	return;
		4102	}
		4103
		4104	cf::one_tick; # one server iteration
		4105
		4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4107
		4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4110	Coro::async_pool {
		4111	$Coro::current->{desc} = "runtime saver";
		4112	write_runtime_sync
		4113	or error "ERROR: unable to write runtime file: $!";
2501	}	4114	};
		4115	}
2502		4116
2503	$NOW = Event::time;	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2504		4118	$sig->send;
2505	cf::server_tick; # one server iteration	4119	}
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508
2509	$WAIT_FOR_TICK->broadcast;	4120	$WAIT_FOR_TICK->broadcast;
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511		4121
2512	Event::sweep;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2513	Coro::cede_notself;	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#
2514		4130	}
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},	4131	}
2524	);	4132	}
2525		4133
		4134	{
		4135	# configure BDB
		4136
		4137	BDB::min_parallel 16;
		4138	BDB::max_poll_reqs $TICK * 0.1;
		4139	#$AnyEvent::BDB::WATCHER->priority (1);
		4140
		4141	unless ($DB_ENV) {
		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);
		4148
		4149	cf::sync_job {
		4150	eval {
		4151	BDB::db_env_open
		4152	$DB_ENV,
		4153	$BDBDIR,
		4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4156	0666;
		4157
		4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4159	};
		4160
		4161	cf::cleanup "db_env_open(db): $@" if $@;
		4162	};
		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	};
		4174	}
		4175
		4176	{
		4177	# configure IO::AIO
		4178
		4179	IO::AIO::min_parallel 8;
2526	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
		4181	undef $AnyEvent::AIO::WATCHER;
		4182	}
2527		4183
2528	undef $Coro::AIO::WATCHER;	4184	our $_log_backtrace;
2529	$AIO_POLL_WATCHER = Event->io (	4185	our $_log_backtrace_last;
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537		4186
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	4187	sub _log_backtrace {
2539	reentrant => 0,	4188	my ($msg, @addr) = @_;
2540	data => WF_AUTOCANCEL,	4189
2541	after => 1,	4190	$msg =~ s/\n$//;
2542	interval => 10,	4191
2543	prio => 6, # keep it lowest so it acts like a watchdog	4192	if ($_log_backtrace_last eq $msg) {
2544	cb => Coro::unblock_sub {	4193	LOG llevInfo, "[ABT] $msg\n";
2545	write_runtime	4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2546	or warn "ERROR: unable to write runtime file: $!";	4195	# limit the # of concurrent backtraces
		4196	} elsif ($_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] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2547	},	4228	}
2548	);	4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2549		4234
2550	END { cf::emergency_save }	4235	END { cf::emergency_save }
2551		4236
2552	1	4237	1
2553		4238

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