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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1349	};
788	}	1350	}
789		1351
790	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
792		1354
…		…
797		1359
798	sub object_thawer_load {	1360	sub object_thawer_load {
799	my ($filename) = @_;	1361	my ($filename) = @_;
800		1362
801	my ($data, $av);	1363	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1364
806	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
807	or return;	1366	or return;
808		1367
809	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
811	or return;	1370	or return;
		1371
812	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
813	}	1374	}
814		1375
		1376	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
817	return ($data, $av);	1381	($data, $av)
818	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
819		1389
820	#############################################################################	1390	#############################################################################
821	# command handling &c	1391	# command handling &c
822		1392
823	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1407	}
838		1408
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1410
841	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.
842		1416
843	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
844	called.	1418	called.
845		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
846	=cut	1431	=cut
847		1432
848	sub register_extcmd {	1433	sub register_extcmd {
849	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
850		1435
851	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
852	}	1437	}
853		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
854	cf::player->attach (	1447	cf::player->attach (
855	on_command => sub {	1448	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
857		1450
858	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
859	or return;	1452	or return;
860		1453
…		…
865	cf::override;	1458	cf::override;
866	},	1459	},
867	on_extcmd => sub {	1460	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
869		1462
870	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1464
872	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
878	} else {	1480	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1482	}
881		1483
882	cf::override;	1484	cf::override;
883	},	1485	},
884	);	1486	);
885		1487
		1488	# "readahead" all extensions
886	sub load_extension {	1489	sub cache_extensions {
887	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
888		1491
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1495	}
914	die $@;
915	}	1496	};
916		1497
917	push @EXTS, $pkg;	1498	$grp
918	}	1499	}
919		1500
920	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
921	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1508	next unless -r $path;
923	eval {	1509
924	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
925	1	1573	}
926	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
927	}	1586	};
928	}	1587	}
929		1588
930	#############################################################################	1589	#############################################################################
931		1590
		1591	=back
		1592
932	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
933		1594
934	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
935		1596
936	=cut	1597	=cut
937		1598
938	package cf::player;	1599	package cf::player;
939		1600
…		…
941		1602
942	=head3 cf::player	1603	=head3 cf::player
943		1604
944	=over 4	1605	=over 4
945		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
946	=item cf::player::find $login	1621	=item cf::player::find $login
947		1622
948	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
949		1624
950	=cut	1625	=cut
951		1626
952	sub playerdir($) {	1627	sub playerdir($) {
953	cf::localdir	1628	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1630	}
959		1631
960	sub path($) {	1632	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1634
963	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
964	}	1636	}
965		1637
966	sub find_active($) {	1638	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
971		1643
972	sub exists($) {	1644	sub exists($) {
973	my ($login) = @_;	1645	my ($login) = @_;
974		1646
975	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
977	}	1649	}
978		1650
979	sub find($) {	1651	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1653	my $login = $_[0];
982		1654
983	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
984		1656
985	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
987	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
989	}	1674	}
990	}	1675	}
991	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
992		1690
993	sub save($) {	1691	sub save($) {
994	my ($pl) = @_;	1692	my ($pl) = @_;
995		1693
996	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1002		1700
1003	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1005		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1006	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1007	Coro::cede;	1710	cf::cede_to_tick;
1008	}	1711	}
1009		1712
1010	sub new($) {	1713	sub new($) {
1011	my ($login) = @_;	1714	my ($login) = @_;
1012		1715
…		…
1018	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1019		1722
1020	$self	1723	$self
1021	}	1724	}
1022		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1023	=item $pl->quit_character	1736	=item $pl->quit_character
1024		1737
1025	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1027		1740
1028	=cut	1741	=cut
1029		1742
1030	sub quit_character {	1743	sub quit_character {
1031	my ($pl) = @_;	1744	my ($pl) = @_;
1032		1745
		1746	my $name = $pl->ob->name;
		1747
1033	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1750
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1039	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1040		1759
1041	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1046	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1047	}	1786	}
1048		1787
1049	=item cf::player::list_logins	1788	=item cf::player::list_logins
1050		1789
1051	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1053		1792
1054	=cut	1793	=cut
1055		1794
1056	sub list_logins {	1795	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1797	or return [];
1059		1798
1060	my @logins;	1799	my @logins;
1061		1800
1062	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1066		1811
1067	utf8::decode $login;	1812	utf8::decode $login;
1068	push @logins, $login;	1813	push @logins, $login;
1069	}	1814	}
1070		1815
1071	\@logins	1816	\@logins
1072	}	1817	}
1073		1818
1074	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1075		1822
1076	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1077	player. May block.	1824	player. May block.
1078		1825
1079	=cut	1826	=cut
…		…
1097	}	1844	}
1098		1845
1099	\@paths	1846	\@paths
1100	}	1847	}
1101		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1103		1854
1104	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1105		1856
1106	=cut	1857	=cut
1107		1858
1108	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1110		1861
1111	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1863	}
1115		1864
1116	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1117		1907
1118	=back	1908	=back
1119
1120		1909
1121	=head3 cf::map	1910	=head3 cf::map
1122		1911
1123	=over 4	1912	=over 4
1124		1913
…		…
1136	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1138		1927
1139	sub generate_random_map {	1928	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1142	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1934	}
1156		1935
1157	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1158		1937
1159	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1164		1943
1165	sub register {	1944	sub register {
1166	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1946	my $pkg = caller;
1168		1947
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1949
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1951	}
1174		1952
1175	# also paths starting with '/'	1953	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1955
1178	sub thawer_merge {	1956	sub thawer_merge {
1179	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1180		1958
1181	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1182	local $self->{path};	1960	local $self->{path};
1183	local $self->{load_path};	1961	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1962
1187	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1188	}	1964	}
1189		1965
1190	sub normalise {	1966	sub normalise {
1191	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1192		1968
1193	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1194		1970
1195	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1196		1972
1197	# map plan:	1973	# map plan:
1198	#	1974	#
…		…
1213	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	1990	$path = "$base/$path";
1215	}	1991	}
1216		1992
1217	for ($path) {	1993	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1221	}	1996	}
1222		1997
1223	$path	1998	$path
…		…
1237	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1238	return $self;	2013	return $self;
1239	}	2014	}
1240	}	2015	}
1241		2016
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2018	()
1244	}	2019	}
1245		2020
		2021	# may re-bless or do other evil things
1246	sub init {	2022	sub init {
1247	my ($self) = @_;	2023	my ($self) = @_;
1248		2024
1249	$self	2025	$self
1250	}	2026	}
…		…
1262		2038
1263	# the original (read-only) location	2039	# the original (read-only) location
1264	sub load_path {	2040	sub load_path {
1265	my ($self) = @_;	2041	my ($self) = @_;
1266		2042
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1268	}	2044	}
1269		2045
1270	# the temporary/swap location	2046	# the temporary/swap location
1271	sub save_path {	2047	sub save_path {
1272	my ($self) = @_;	2048	my ($self) = @_;
1273		2049
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1276	}	2052	}
1277		2053
1278	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1279	sub uniq_path {	2055	sub uniq_path {
1280	my ($self) = @_;	2056	my ($self) = @_;
1281		2057
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1284	}	2060	}
1285		2061
1286	# and all this just because we cannot iterate over	2062	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2063	my ($self) = @_;
1290		2064
1291	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1293	}	2068	}
1294		2069
1295	sub unlink_save {	2070	sub unlink_save {
1296	my ($self) = @_;	2071	my ($self) = @_;
1297		2072
1298	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2076	}
1307		2077
1308	sub load_header_from($) {	2078	sub load_header_from($) {
1309	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1310		2080
1311	utf8::encode $path;	2081	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2083	or return;
1317		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1318	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1319		2092
1320	1	2093	1
1321	}	2094	}
1322		2095
		2096	# used to laod the header of an original map
1323	sub load_header_orig {	2097	sub load_header_orig {
1324	my ($self) = @_;	2098	my ($self) = @_;
1325		2099
1326	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1327	}	2101	}
1328		2102
		2103	# used to laod the header of an instantiated map
1329	sub load_header_temp {	2104	sub load_header_temp {
1330	my ($self) = @_;	2105	my ($self) = @_;
1331		2106
1332	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1333	}	2108	}
1334		2109
		2110	# called after loading the header from an instantiated map
1335	sub prepare_temp {	2111	sub prepare_temp {
1336	my ($self) = @_;	2112	my ($self) = @_;
1337		2113
1338	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1339	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1340	# safety	2116	# safety
1341	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1342	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1343	}	2119	}
1344		2120
		2121	# called after loading the header from an original map
1345	sub prepare_orig {	2122	sub prepare_orig {
1346	my ($self) = @_;	2123	my ($self) = @_;
1347		2124
1348	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1349	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1360	$self->load_header_orig	2137	$self->load_header_orig
1361	or return;	2138	or return;
1362	$self->prepare_orig;	2139	$self->prepare_orig;
1363	}	2140	}
1364		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1365	1	2148	1
1366	}	2149	}
1367		2150
1368	sub find;	2151	sub find;
1369	sub find {	2152	sub find {
1370	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1371		2154
		2155	cf::cede_to_tick;
		2156
1372	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1373		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2161
1376	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1379	or return;	2164	or return;
1380		2165
1381	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1382		2167
1383	$map->load_header	2168	$map->load_header
1384	or return;	2169	or return;
1385		2170
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1389	$map->reset;	2176	$map->reset;
1390	undef $guard;
1391	return find $path;	2177	return find $path;
1392	}	2178	}
1393		2179
1394	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1395	}	2181	}
1396	}	2182	}
1397		2183
1398	sub pre_load { }	2184	sub pre_load { }
1399	sub post_load { }	2185	#sub post_load { } # XS
1400		2186
1401	sub load {	2187	sub load {
1402	my ($self) = @_;	2188	my ($self) = @_;
1403		2189
1404	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1405		2191
1406	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1408		2196
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1410		2199
1411	$self->in_memory (cf::MAP_LOADING);
1412
1413	$self->alloc;	2200	$self->alloc;
1414		2201
1415	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1416		2204
1417	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1418	or return;	2209	or return;
1419		2210
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1421	if delete $self->{load_original};	2212	if delete $self->{load_original};
1422		2213
1423	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2215	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2218	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1428	}	2223	}
1429	}
1430		2224
1431	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1432		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1433	# now do the right thing for maps	2234	# now do the right thing for maps
1434	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2237	unless $self->difficulty;
1444	Coro::cede;	2238	cf::cede_to_tick;
1445	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1446	}	2251	}
1447		2252
1448	$self->post_load;	2253	$self->post_load;
1449		2254
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1451	}	2256	}
1452		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2261	sub customise_for {
1454	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1455		2263
1456	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2265	if $self->per_player;
1458		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1459	$self	2270	$self
1460	}	2271	}
1461		2272
1462	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2274	sub load_neighbours {
1464	my ($map) = @_;	2275	my ($map) = @_;
1465		2276
1466	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1467		2278
1468	for (0 .. 3) {	2279	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1470	or next;	2281	or next;
1471	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1472	or next;	2283	or next;
1473	$neigh->load;	2284	$neigh->load;
1474		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2290	}
1478		2291
1479	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1481	or next;	2295	or next;
1482	$neigh->load;	2296	$neigh->load;
1483	}	2297	}
1484	}	2298	}
1485		2299
1486	sub find_sync {	2300	sub find_sync {
1487	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1488		2302
1489	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1490	}	2308	}
1491		2309
1492	sub do_load_sync {	2310	sub do_load_sync {
1493	my ($map) = @_;	2311	my ($map) = @_;
1494		2312
1495	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1496	}	2318	}
1497		2319
1498	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1500		2322
1501	sub find_async {	2323	sub find_async {
1502	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1503		2325
1504	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1505		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1506	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1508	}	2332	}
1509		2333
1510	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1511	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1512	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2341	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2342	$map->load if $v;
		2343	}
1517		2344
1518	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1519	}	2346	}
1520	}	2347	}
1521	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1522	};	2349	};
1523	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1524		2351
1525	()	2352	()
1526	}	2353	}
1527		2354
		2355	# common code, used by both ->save and ->swapout
1528	sub save {	2356	sub _save {
1529	my ($self) = @_;	2357	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2358
1533	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1534		2360
1535	return unless $self->dirty;	2361	return unless $self->dirty;
1536		2362
…		…
1542	return if $self->{deny_save};	2368	return if $self->{deny_save};
1543		2369
1544	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1545		2371
1546	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1548	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1549		2378
1550	if ($uniq) {	2379	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2382	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2384	}
1556	}	2385	}
1557		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1558	sub swap_out {	2395	sub swap_out {
1559	my ($self) = @_;	2396	my ($self) = @_;
1560		2397
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1566	return if $self->players;	2402	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1570	$self->clear;	2413	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2414	}
1573		2415
1574	sub reset_at {	2416	sub reset_at {
1575	my ($self) = @_;	2417	my ($self) = @_;
1576		2418
1577	# TODO: safety, remove and allow resettable per-player maps	2419	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2420	return 1e99 if $self->{deny_reset};
1580		2421
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2424
…		…
1594	my ($self) = @_;	2435	my ($self) = @_;
1595		2436
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2438
1598	return if $self->players;	2439	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2440
1601	warn "resetting map ", $self->path;#d#	2441	cf::trace "resetting map ", $self->path, "\n";
		2442
		2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
1602		2452
1603	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1604		2454
1605	$self->in_memory (cf::MAP_SWAPPED);	2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2457	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2458
1610	$self->unlink_save;	2459	$self->unlink_save;
1611	$self->destroy;	2460	$self->destroy;
1612	}	2461	}
1613		2462
1614	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1615		2464
1616	sub nuke {	2465	sub nuke {
1617	my ($self) = @_;	2466	my ($self) = @_;
1618		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1619	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1620		2472
1621	$self->unlink_save;	2473	$self->unlink_save;
1622		2474
1623	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2480
1629	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1630		2483
1631	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
		2485	}
		2486
		2487	=item $maps = cf::map::tmp_maps
		2488
		2489	Returns an arrayref with all map paths of currently instantiated and saved
		2490	maps. May block.
		2491
		2492	=cut
		2493
		2494	sub tmp_maps() {
		2495	[
		2496	map {
		2497	utf8::decode $_;
		2498	/\.map$/
		2499	? normalise $_
		2500	: ()
		2501	} @{ aio_readdir $TMPDIR or [] }
		2502	]
		2503	}
		2504
		2505	=item $maps = cf::map::random_maps
		2506
		2507	Returns an arrayref with all map paths of currently instantiated and saved
		2508	random maps. May block.
		2509
		2510	=cut
		2511
		2512	sub random_maps() {
		2513	[
		2514	map {
		2515	utf8::decode $_;
		2516	/\.map$/
		2517	? normalise "?random/$_"
		2518	: ()
		2519	} @{ aio_readdir $RANDOMDIR or [] }
		2520	]
1632	}	2521	}
1633		2522
1634	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1635		2524
1636	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2526	instantiated unique items. May block.
1638		2527
1639	=cut	2528	=cut
1640		2529
1641	sub unique_maps() {	2530	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2531	[
1643	or return;	2532	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2533	utf8::decode $_;
1649	next if /\.pst$/;	2534	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2536	? ()
1652	push @paths, cf::map::normalise $_;	2537	: normalise $_
		2538	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2539	]
1654
1655	\@paths
1656	}	2540	}
1657		2541
1658	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
1659		2573
1660	=back	2574	=back
1661		2575
1662	=head3 cf::object	2576	=head3 cf::object
1663		2577
…		…
1667		2581
1668	=over 4	2582	=over 4
1669		2583
1670	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1671		2585
1672	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
1673		2588
1674	=cut	2589	=cut
1675		2590
1676	sub inv_recursive_;	2591	sub inv_recursive_;
1677	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1680		2595
1681	sub inv_recursive {	2596	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1683	}	2598	}
1684		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
1685	package cf;	2628	package cf;
1686		2629
1687	=back	2630	=back
1688		2631
1689	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1698		2641
1699	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
1700		2657
1701	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2659	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1706		2663
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2665
1709	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1711	} else {	2669	} else {
		2670	my $pl = $self->contr;
		2671
		2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2673	my $dialog = $pl->{npc_dialog};
		2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2675
		2676	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1714	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
1715	}	2691	}
1716		2692
1717	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1718		2694
1719	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1732		2708
1733	=item $player_object->enter_link	2709	=item $player_object->enter_link
1734		2710
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2712
1737	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
1739		2717
1740	Will never block.	2718	Will never block.
1741		2719
1742	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1743		2721
…		…
1763	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2742	my ($self) = @_;
1765		2743
1766	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1767		2745
		2746	++$self->{_link_recursion};
		2747
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2749
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2751	if $self->map && $self->map->{path} ne "{link}";
1772		2752
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2754	}
1775		2755
1776	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
		2758
		2759	return unless $self->contr->active;
1778		2760
1779	my $link_pos = delete $self->{_link_pos};	2761	my $link_pos = delete $self->{_link_pos};
1780		2762
1781	unless ($map) {	2763	unless ($map) {
1782	# restore original map position	2764	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1795		2777
1796	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1799		2781
1800	$map->load;	2782	$map->load;
1801	$map->load_diag;	2783	$map->load_neighbours;
1802		2784
1803	return unless $self->contr->active;	2785	return unless $self->contr->active;
		2786
		2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2788	if ($self->enter_map ($map, $x, $y)) {
		2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2792	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2793	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2794
1822	# try to abort aborted map switching on player login :)	2795	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2796
1840	=item $player_object->goto ($path, $x, $y)	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2798
		2799	Moves the player to the given map-path and coordinates by first freezing
		2800	her, loading and preparing them map, calling the provided $check callback
		2801	that has to return the map if sucecssful, and then unfreezes the player on
		2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
1842	=cut	2808	=cut
		2809
		2810	our $GOTOGEN;
1843		2811
1844	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
		2820
		2821	# do generation counting so two concurrent goto's will be executed in-order
		2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2823
1847	$self->enter_link;	2824	$self->enter_link;
1848		2825
1849	(async {	2826	(async {
		2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
1850	my $map = eval {	2848	my $map = eval {
1851	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2850
		2851	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2852	$map = $map->customise_for ($self);
		2853	$map = $check->($map, $x, $y, $self) if $check && $map;
		2854	} else {
		2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2856	}
		2857
1853	$map	2858	$map
		2859	};
		2860
		2861	if ($@) {
		2862	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2863	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2864	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2865
		2866	if ($gen == $self->{_goto_generation}) {
		2867	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
		2869	}
		2870
		2871	$done->($self) if $done;
1858	})->prio (1);	2872	})->prio (1);
1859	}	2873	}
1860		2874
1861	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
1862		2876
…		…
1882	}	2896	}
1883		2897
1884	sub prepare_random_map {	2898	sub prepare_random_map {
1885	my ($exit) = @_;	2899	my ($exit) = @_;
1886		2900
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2903	# that depends on the exit object
1892		2904
1893	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2907	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
1900	}	2914	}
1901		2915
1902	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
1903		2917
1904	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
1907		2921
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2924	undef $fh;
1911	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
1912		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
1915	}	2933	}
1916	}	2934	}
1917		2935
1918	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
1920		2938
1921	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
1922		2940
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2941	$self->enter_link;
1933		2942
1934	(async {	2943	(async {
1935	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
1936	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
1937	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
1938		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
1939	1;	2982	1
1940	}) {	2983	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2988
1946	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2990	$self->leave_link;
1948	}	2991	}
1949	})->prio (1);	2992	})->prio (1);
1950	}	2993	}
1951		2994
…		…
1962		3005
1963	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
1965		3008
1966	utf8::encode $text;	3009	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	3011	}
1969		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
		3200	=item $client->ext_msg ($type, @msg)
		3201
		3202	Sends an ext event to the client.
		3203
		3204	=cut
		3205
		3206	sub cf::client::ext_msg($$@) {
		3207	my ($self, $type, @msg) = @_;
		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
		3212	push @msg, msgtype => "event_$type";
		3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
		3233	}
1970		3234
1971	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
1972		3236
1973	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3240
1977	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3242	become reliable at some point in the future.
1979		3243
1980	=cut	3244	=cut
1981		3245
1982	sub cf::client::query {	3246	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3255	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3257
1994	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
1996	}	3262	}
1997		3263
1998	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
1999	on_reply => sub {	3270	on_reply => sub {
2000	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2001		3272
2002	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2003	# get handled first	3274	# get handled first
…		…
2015	} else {	3286	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3288	}
2018	}	3289	}
2019	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
2020	);	3317	);
2021		3318
2022	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
2023		3320
2024	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3337
2041	$coro	3338	$coro
2042	}	3339	}
2043		3340
2044	cf::client->attach (	3341	cf::client->attach (
2045	on_destroy => sub {	3342	on_client_destroy => sub {
2046	my ($ns) = @_;	3343	my ($ns) = @_;
2047		3344
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3346	},
2050	);	3347	);
…		…
2065	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2067		3364
2068	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2069		3366
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2071		3372
2072	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2073		3374
2074	=pod	3375	=pod
2075		3376
2076	The following fucntions and emthods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2077		3378
2078	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2079	cf::object::player player	3384	cf::object::player
2080	cf::player peaceful	3385	player
2081	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2082		3392
2083	=cut	3393	=cut
2084		3394
2085	for (	3395	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2090	) {	3402	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3405	for @funs;
2095	}	3406	}
2096		3407
…		…
2111		3422
2112	my $qcode = $code;	3423	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2115		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2116	local $_;	3430	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3431
2119	my $eval =	3432	my $eval =
2120	"do {\n"	3433	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3436	. $code
2124	. "\n}"	3437	. "\n}"
2125	;	3438	;
2126		3439
		3440	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2130		3449
2131	if ($@) {	3450	if ($@) {
2132	warn "$@";	3451	warn "$@",
2133	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2135	}	3454	}
2136		3455
2137	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2138	}	3457	}
2139		3458
…		…
2153	=cut	3472	=cut
2154		3473
2155	sub register_script_function {	3474	sub register_script_function {
2156	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2157		3476
2158	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2160	}	3479	}
2161		3480
2162	=back	3481	=back
2163		3482
2164	=cut	3483	=cut
2165		3484
2166	#############################################################################	3485	#############################################################################
		3486	# the server's init and main functions
2167		3487
2168	=head2 EXTENSION DATABASE SUPPORT	3488	sub load_facedata($) {
		3489	my ($path) = @_;
2169		3490
2170	Crossfire maintains a very simple database for extension use. It can	3491	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3492	# for this (global event?)
2172	excludes objects.	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3494
2174	The parameter C<$family> should best start with the name of the extension	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3496
2177	=over 4	3497	trace "loading facedata from $path\n";
2178		3498
2179	=item $hashref = cf::db_get $family	3499	my $facedata = decode_storable load_file $path;
2180		3500
2181	Return a hashref for use by the extension C<$family>, which can be	3501	$facedata->{version} == 2
2182	modified. After modifications, you have to call C<cf::db_dirty> or	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183	C<cf::db_sync>.
2184		3503
2185	=item $value = cf::db_get $family => $key	3504	# patch in the exptable
2186		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2187	Returns a single value from the database	3506	$facedata->{resource}{"res/exp_table"} = {
2188		3507	type => FT_RSRC,
2189	=item cf::db_put $family => $hashref	3508	data => $exp_table,
2190		3509	hash => (Digest::MD5::md5 $exp_table),
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3510	};
		3511	cf::cede_to_tick;
2217		3512
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3513	{
		3514	my $faces = $facedata->{faceinfo};
2229		3515
2230	my $dirty;	3516	while (my ($face, $info) = each %$faces) {
		3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3518
2232	sub db_sync() {	3519	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3520	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2235	}	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2236		3524
2237	my $idle = Event->idle (	3525	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3526	}
2271	);
2272	}
2273		3527
2274	#############################################################################	3528	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3529	next unless $info->{smooth};
2276		3530
2277	sub cfg_load {	3531	my $idx = cf::face::find $face
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3532	or next;
2279	or return;
2280		3533
2281	local $/;	3534	if (my $smooth = cf::face::find $info->{smooth}) {
2282	*CFG = YAML::Syck::Load <$fh>;	3535	cf::face::set_smooth $idx, $smooth;
		3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3537	} else {
		3538	error "smooth face '$info->{smooth}' not found for face '$face'";
		3539	}
2283		3540
		3541	cf::cede_to_tick;
		3542	}
		3543	}
		3544
		3545	{
		3546	my $anims = $facedata->{animinfo};
		3547
		3548	while (my ($anim, $info) = each %$anims) {
		3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3550	cf::cede_to_tick;
		3551	}
		3552
		3553	cf::anim::invalidate_all; # d'oh
		3554	}
		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
		3575	1
		3576	}
		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
		3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
		3601	load_resource_file "$MAPDIR/regions"
		3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
		3608	}
		3609
		3610	sub reload_facedata {
		3611	load_facedata "$DATADIR/facedata"
		3612	or die "unable to load facedata\n";
		3613	}
		3614
		3615	sub reload_archetypes {
		3616	load_resource_file "$DATADIR/archetypes"
		3617	or die "unable to load archetypes\n";
		3618	}
		3619
		3620	sub reload_treasures {
		3621	load_resource_file "$DATADIR/treasures"
		3622	or die "unable to load treasurelists\n";
		3623	}
		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
		3645	sub reload_resources {
		3646	trace "reloading resource files...\n";
		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
		3653	reload_regions;
		3654	reload_treasures;
		3655
		3656	trace "finished reloading resource files\n";
		3657	}
		3658
		3659	sub reload_config {
		3660	trace "reloading config file...\n";
		3661
		3662	my $config = load_file "$CONFDIR/config";
		3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
		3665
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2285		3667
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2288		3670
2289	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2293	};	3675	};
2294	warn $@ if $@;	3676	warn $@ if $@;
2295	}	3677	}
2296	}	3678	}
2297		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2298	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2299	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3721	(async {
2303	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2305	};	3725	};
2306		3726
2307	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
2308	db_load;	3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
		3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2309	load_extensions;	3750	load_extensions;
2310		3751
2311	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2312	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2313	}	3770	}
2314		3771
2315	#############################################################################	3772	#############################################################################
2316	# initialisation and cleanup	3773	# initialisation and cleanup
2317		3774
2318	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2319	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2328	},
2329	);	3781	};
		3782	}
		3783	}
		3784
		3785	sub write_runtime_sync {
		3786	my $t0 = AE::time;
		3787
		3788	# first touch the runtime file to show we are still running:
		3789	# the fsync below can take a very very long time.
		3790
		3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3792
		3793	my $guard = cf::lock_acquire "write_runtime";
		3794
		3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3796	or return;
		3797
		3798	my $value = $cf::RUNTIME + 90 + 10;
		3799	# 10 is the runtime save interval, for a monotonic clock
		3800	# 60 allows for the watchdog to kill the server.
		3801
		3802	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3803	and return;
		3804
		3805	# always fsync - this file is important
		3806	aio_fsync $fh
		3807	and return;
		3808
		3809	# touch it again to show we are up-to-date
		3810	aio_utime $fh, undef, undef;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3816	and return;
		3817
		3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3819
2330	}	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2331	}	3871	}
2332		3872
2333	sub emergency_save() {	3873	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2335		3875
2336	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2337		3882
2338	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2339	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3894	$pl->save;
2347	}	3895	}
2348	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2349		3897
2350	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2351	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3903	$map->valid or next;
2354	$map->save;	3904	$map->save;
2355	}	3905	}
2356	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
		3911	BDB::db_env_txn_checkpoint $DB_ENV;
		3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2357	};	3936	};
2358		3937
2359	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2360	}	3939	}
2361		3940
		3941	sub post_cleanup {
		3942	my ($make_core) = @_;
		3943
		3944	IO::AIO::flush;
		3945
		3946	error Carp::longmess "post_cleanup backtrace"
		3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
		3976	}
		3977
2362	sub reload() {	3978	sub do_reload_perl() {
2363	# can/must only be called in main	3979	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2365	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2366	return;	3982	return;
2367	}	3983	}
2368		3984
2369	warn "reloading...";	3985	return if $RELOAD++;
2370		3986
2371	warn "cancelling server ticker";	3987	my $t1 = AE::time;
2372	$TICK_WATCHER->cancel;
2373		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
		3995	cf::sync_job {
2374	cf::emergency_save;	3996	#cf::emergency_save;
2375		3997
2376	eval {
2377	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";
2388	for (;;) {
2389	IO::AIO::flush;
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	4000	%EXT_CORO = ();
2398		4001
2399	warn "removing commands";	4002	trace "perl_reload: removing commands";
2400	%COMMAND = ();	4003	%COMMAND = ();
2401		4004
2402	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2403	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2404		4008
2405	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2408		4012
2409	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2410	eval {	4014	eval {
2411	$cb->($pkg);	4015	$cb->($pkg);
2412	1	4016	1
2413	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2414	}	4022	}
2415		4023
2416	warn "... nuking $pkg";
2417	Symbol::delete_package $pkg;
2418	}
2419
2420	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2421	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		4027
2424	warn "... unloading $k";	4028	trace "... unloading $k";
2425	delete $INC{$k};	4029	delete $INC{$k};
2426		4030
2427	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2429		4033
2430	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2431	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2432	}	4039	}
2433		4040
2434	Symbol::delete_package $k;
2435	}
2436
2437	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		4044
2441	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
		4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		4048
2444	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2445	# and global variables created in xs	4050	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2447		4052
2448	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2449		4054
2450	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2451	require cf;	4056	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2453		4058
2454	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2455	cf::cfg_load;	4060	cf::reload_config;
2456	cf::db_load;
2457		4061
2458	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2459	cf::load_extensions;	4063	cf::load_extensions;
2460		4064
		4065	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2462	_global_reattach;	4067	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2464	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
		4070	trace "perl_reload: reattaching attachments to players";
		4071	reattach $_ for values %PLAYER;
		4072	}
2465		4073
2466	warn "restarting server ticker";	4074	cf::_post_init 1;
2467		4075
2468	$TICK_WATCHER->start;	4076	trace "perl_reload: leaving sync_job";
		4077
		4078	1
		4079	} or do {
		4080	error $@;
		4081	cf::cleanup "perl_reload: error, exiting.";
		4082	};
		4083
		4084	--$RELOAD;
		4085	}
		4086
		4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
		4089	};
		4090
		4091	our $RELOAD_WATCHER; # used only during reload
		4092
		4093	sub reload_perl() {
		4094	# doing reload synchronously and two reloads happen back-to-back,
		4095	# coro crashes during coro_state_free->destroy here.
		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
		4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4101	do_reload_perl;
		4102	undef $RELOAD_WATCHER;
		4103	};
2469	};	4104	};
2470		4105	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4106
2482	register_command "reload" => sub {	4107	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2484		4109
2485	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
2487		4112	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4113	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4114	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4115	};
2500	}	4116	}
2501	};	4117	};
2502		4118
2503	unshift @INC, $LIBDIR;	4119	#############################################################################
2504		4120
2505	my $bug_warning = 0;	4121	my $bug_warning = 0;
2506		4122
2507	$TICK_WATCHER = Event->timer (	4123	sub wait_for_tick() {
2508	reentrant => 0,	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2509	parked => 1,	4125
2510	prio => 0,	4126	$WAIT_FOR_TICK->wait;
2511	at => $NEXT_TICK || $TICK,	4127	}
2512	data => WF_AUTOCANCEL,	4128
2513	cb => sub {	4129	sub wait_for_tick_begin() {
		4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4131
		4132	my $signal = new Coro::Signal;
		4133	push @WAIT_FOR_TICK_BEGIN, $signal;
		4134	$signal->wait;
		4135	}
		4136
		4137	sub tick {
2514	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2517	return;	4141	return;
		4142	}
		4143
		4144	cf::one_tick; # one server iteration
		4145
		4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4147
		4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4150	Coro::async_pool {
		4151	$Coro::current->{desc} = "runtime saver";
		4152	write_runtime_sync
		4153	or error "ERROR: unable to write runtime file: $!";
2518	}	4154	};
		4155	}
2519		4156
2520	$NOW = Event::time;	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2521		4158	$sig->send;
2522	cf::server_tick; # one server iteration	4159	}
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525
2526	$WAIT_FOR_TICK->broadcast;	4160	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4161
2529	Event::sweep;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
2530	Coro::cede_notself;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4164
		4165	if (0) {
		4166	if ($NEXT_TICK) {
		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
2531		4170	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4171	}
2541	);	4172	}
2542		4173
		4174	{
		4175	# configure BDB
		4176
		4177	BDB::min_parallel 16;
		4178	BDB::max_poll_reqs $TICK * 0.1;
		4179	$AnyEvent::BDB::WATCHER->priority (1);
		4180
		4181	unless ($DB_ENV) {
		4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4188
		4189	cf::sync_job {
		4190	eval {
		4191	BDB::db_env_open
		4192	$DB_ENV,
		4193	$BDBDIR,
		4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4196	0666;
		4197
		4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4199	};
		4200
		4201	cf::cleanup "db_env_open(db): $@" if $@;
		4202	};
		4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
		4214	}
		4215
		4216	{
		4217	# configure IO::AIO
		4218
		4219	IO::AIO::min_parallel 8;
2543	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
		4221	undef $AnyEvent::AIO::WATCHER;
		4222	}
2544		4223
2545	undef $Coro::AIO::WATCHER;	4224	our $_log_backtrace;
2546	$AIO_POLL_WATCHER = Event->io (	4225	our $_log_backtrace_last;
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554		4226
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	4227	sub _log_backtrace {
2556	reentrant => 0,	4228	my ($msg, @addr) = @_;
2557	data => WF_AUTOCANCEL,	4229
2558	after => 1,	4230	$msg =~ s/\n$//;
2559	interval => 10,	4231
2560	prio => 6, # keep it lowest so it acts like a watchdog	4232	if ($_log_backtrace_last eq $msg) {
2561	cb => Coro::unblock_sub {	4233	LOG llevInfo, "[ABT] $msg\n";
2562	write_runtime	4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2563	or warn "ERROR: unable to write runtime file: $!";	4235	# limit the # of concurrent backtraces
		4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
		4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
		4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
		4243	my @bt = fork_call {
		4244	@addr = map { sprintf "%x", $_ } @addr;
		4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4247	or die "addr2line: $!";
		4248
		4249	my @funcs;
		4250	my @res = <$fh>;
		4251	chomp for @res;
		4252	while (@res) {
		4253	my ($func, $line) = splice @res, 0, 2, ();
		4254	push @funcs, "[$func] $line";
		4255	}
		4256
		4257	@funcs
		4258	};
		4259
		4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4262	LOG llevInfo, "[ABT] $_\n" for @bt;
		4263	--$_log_backtrace;
		4264	};
		4265	} else {
		4266	LOG llevInfo, "[ABT] $msg\n";
		4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2564	},	4268	}
2565	);	4269	}
		4270
		4271	# load additional modules
		4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
2566		4274
2567	END { cf::emergency_save }	4275	END { cf::emergency_save }
2568		4276
2569	1	4277	1
2570		4278

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