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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.61 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
21	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
22		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
23	use BDB ();	58	use BDB ();
24	use Data::Dumper;	59	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	60	use Fcntl;
27	use YAML::Syck ();	61	use YAML::XS ();
28	use IO::AIO 2.32 ();	62	use IO::AIO ();
29	use Time::HiRes;
30	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
31		67
32	# configure various modules to our taste	68	# configure various modules to our taste
33	#	69	#
34	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		78
38	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
39		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		81
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
46		85
47	our %COMMAND = ();	86	our %COMMAND = ();
48	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
49		88
50	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
54		96
55	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	98	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
58		101
59	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	103
61	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
64	our $NOW;	144	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		145
67	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		149
81	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
84	binmode STDOUT;	166	binmode STDOUT;
85	binmode STDERR;	167	binmode STDERR;
86		168
87	# read virtual server time, if available	169	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
92	}	174	}
93		175
94	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	177
96	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		180
101	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
102		182
103	sub cf::map::normalise;	183	sub cf::map::normalise;
104		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
105	#############################################################################	189	#############################################################################
106		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
107	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
108		203
109	=over 4	204	=over 4
110		205
111	=item $cf::UPTIME	206	=item $cf::UPTIME
112		207
113	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
114		224
115	=item $cf::RUNTIME	225	=item $cf::RUNTIME
116		226
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	228	every server tick.
119		229
120	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		233
122	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
124		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
125	=item $cf::NOW	245	=item $cf::LOAD
126		246
127	The time of the last (current) server tick.	247	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		248
133	=item %cf::CFG	249	=item %cf::CFG
134		250
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	252	from wherever your confdir points to.
137		253
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		255
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
		288
144	=back	289	=back
145		290
146	=cut	291	=cut
147		292
148	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	300	my $msg = join "", @_;
151	utf8::encode $msg;
152		301
153	$msg .= "\n"	302	$msg .= "\n"
154	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
155		304
		305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		306
156	LOG llevError, $msg;	307	LOG llevWarn, $msg;
157	};	308	};
158	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
159		323
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	328	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		329	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	330	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		331
167	# we bless all objects into (empty) derived classes to force a method lookup	332	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	333	# within the Safe compartment.
169	for my $pkg (qw(	334	for my $pkg (qw(
170	cf::global cf::attachable	335	cf::global cf::attachable
171	cf::object cf::object::player	336	cf::object cf::object::player
172	cf::client cf::player	337	cf::client cf::player
173	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
174	cf::map cf::party cf::region	340	cf::party cf::region
175	)) {	341	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	343	}
179		344
180	$Event::DIED = sub {	345	$EV::DIED = sub {
181	warn "error in event callback: @_";	346	warn "error in event callback: $@";
182	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
183		355
184	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
185		357
186	=over 4	358	=over 4
187		359
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	379	$d
208	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
209	}	381	}
210		382
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
212		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
213	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
214		436
215	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
216		438
217	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
218		440
219	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
220		442
		443	=cut
		444
		445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		446
		447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
221	=item cf::lock_wait $string	512	=item cf::lock_wait $string
222		513
223	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
224		515
225	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
226		517
227	Wait until the given lock is available and then acquires it and returns	518	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,	519	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	520	for example when the coroutine gets canceled), the lock is automatically
230	returned.	521	returned.
231		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
232	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
234		528
235	=cut	529	=item $locked = cf::lock_active $string
236		530
237	our %LOCK;	531	Return true if the lock is currently active, i.e. somebody has locked it.
		532
		533	=cut
		534
		535	our $LOCKS = new Coro::SemaphoreSet;
238		536
239	sub lock_wait($) {	537	sub lock_wait($) {
240	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	539	}
248		540
249	sub lock_acquire($) {	541	sub lock_acquire($) {
250	my ($key) = @_;	542	$LOCKS->guard ($_[0])
		543	}
251		544
252	# wait, to be sure we are not locked	545	sub lock_active($) {
253	lock_wait $key;	546	$LOCKS->count ($_[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	}	547	}
262		548
263	sub freeze_mainloop {	549	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
265		551
266	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	553	}
		554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
268	};	622	}
269	$TICK_WATCHER->stop;	623	};
270	$guard	624
		625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
271	}	638	}
272		639
273	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
274		641
275	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		647
281	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
282		649
283	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
284		651
285	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
288		656
289	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
292	fast or be very important.	660	fast or be very important.
…		…
294	=cut	662	=cut
295		663
296	sub sync_job(&) {	664	sub sync_job(&) {
297	my ($job) = @_;	665	my ($job) = @_;
298		666
299	if ($Coro::current == $Coro::main) {	667	if (in_main) {
		668	my $time = AE::time;
		669
300	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
302		672
303	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	674
305	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
306		676
307	my $busy = 1;	677	my $busy = 1;
308	my @res;	678	my @res;
309		679
310	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	682	@res = eval { $job->() };
312	warn $@ if $@;	683	error $@ if $@;
313	undef $busy;	684	undef $busy;
314	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
315		686
316	while ($busy) {	687	while ($busy) {
317	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
318	}	692	}
		693	}
		694
		695	my $time = AE::time - $time;
		696
		697	$TICK_START += $time; # do not account sync jobs to server load
319		698
320	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
321	} else {	700	} else {
322	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
323		702
…		…
343	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
344		723
345	$coro	724	$coro
346	}	725	}
347		726
348	sub write_runtime {	727	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		728
351	my $runtime = cf::localdir . "/runtime";	729	Executes the given code block with the given arguments in a seperate
		730	process, returning the results. Everything must be serialisable with
		731	Coro::Storable. May, of course, block. Note that the executed sub may
		732	never block itself or use any form of event handling.
352		733
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	734	=cut
354	or return;
355		735
356	my $value = $cf::RUNTIME + 90 + 10;	736	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	737	reset_signals;
358	# 60 allows for the watchdog to kill the server.	738	}
359		739
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	740	sub fork_call(&@) {
361	and return;	741	my ($cb, @args) = @_;
362		742
363	# always fsync - this file is important	743	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	744	# otherwise perl prematurely frees the stuff :/
365	and return;	745	# TODO: investigate and fix (likely this will be rather laborious)
366		746
367	close $fh	747	my @res = Coro::Util::fork_eval {
368	or return;	748	cf::post_fork;
		749	&$cb
		750	} @args;
369		751
370	aio_rename "$runtime~", $runtime	752	wantarray ? @res : $res[-1]
371	and return;	753	}
372		754
		755	sub objinfo {
373	1	756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
		791	}
		792
		793	=item $value = cf::db_get $family => $key
		794
		795	Returns a single value from the environment database.
		796
		797	=item cf::db_put $family => $key => $value
		798
		799	Stores the given C<$value> in the family. It can currently store binary
		800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
		807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
		823	};
		824	cf::cleanup "db_open(db): $@" if $@;
		825
		826	$db
		827	}
		828
		829	our $DB;
		830
		831	sub db_init {
		832	$DB ||= db_table "db";
		833	}
		834
		835	sub db_get($$) {
		836	my $key = "$_[0]/$_[1]";
		837
		838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
		841	BDB::db_get $DB, undef, $key, my $data;
		842
		843	$! ? ()
		844	: $data
		845	}
		846
		847	sub db_put($$$) {
		848	BDB::dbreq_pri 4;
		849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		850	}
		851
		852	=item cf::cache $id => [$paths...], $processversion => $process
		853
		854	Generic caching function that returns the value of the resource $id,
		855	caching and regenerating as required.
		856
		857	This function can block.
		858
		859	=cut
		860
		861	sub cache {
		862	my ($id, $src, $processversion, $process) = @_;
		863
		864	my $meta =
		865	join "\x00",
		866	$processversion,
		867	map {
		868	aio_stat $_
		869	and Carp::croak "$_: $!";
		870
		871	($_, (stat _)[7,9])
		872	} @$src;
		873
		874	my $dbmeta = db_get cache => "$id/meta";
		875	if ($dbmeta ne $meta) {
		876	# changed, we may need to process
		877
		878	my @data;
		879	my $md5;
		880
		881	for (0 .. $#$src) {
		882	$data[$_] = load_file $src->[$_];
		883	}
		884
		885	# if processing is expensive, check
		886	# checksum first
		887	if (1) {
		888	$md5 =
		889	join "\x00",
		890	$processversion,
		891	map {
		892	cf::cede_to_tick;
		893	($src->[$_], Digest::MD5::md5_hex $data[$_])
		894	} 0.. $#$src;
		895
		896
		897	my $dbmd5 = db_get cache => "$id/md5";
		898	if ($dbmd5 eq $md5) {
		899	db_put cache => "$id/meta", $meta;
		900
		901	return db_get cache => "$id/data";
		902	}
		903	}
		904
		905	my $t1 = EV::time;
		906	my $data = $process->(\@data);
		907	my $t2 = EV::time;
		908
		909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		910
		911	db_put cache => "$id/data", $data;
		912	db_put cache => "$id/md5" , $md5;
		913	db_put cache => "$id/meta", $meta;
		914
		915	return $data;
		916	}
		917
		918	db_get cache => "$id/data"
374	}	919	}
375		920
376	=item cf::datalog type => key => value, ...	921	=item cf::datalog type => key => value, ...
377		922
378	Log a datalog packet of the given type with the given key-value pairs.	923	Log a datalog packet of the given type with the given key-value pairs.
379		924
380	=cut	925	=cut
381		926
382	sub datalog($@) {	927	sub datalog($@) {
383	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	930	}
386		931
387	=back	932	=back
388		933
389	=cut	934	=cut
390		935
391	#############################################################################	936	#############################################################################
392		937
393	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
394		939
395	Many objects in crossfire are so-called attachable objects. That means you can	940	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
398		943
399	In the following description, CLASS can be any of C<global>, C<object>	944	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	946	Deliantra).
402		947
403	=over 4	948	=over 4
404		949
405	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
406		951
…		…
450	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
451		996
452	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
454		999
455	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	1001	that are attached at load/instantiate time, thus the need for a name.
457		1002
458	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
459		1004
460	=over 4	1005	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1114	$registry = $CB_TYPE[$object_type] ||= [];
570		1115
571	} elsif ($type eq "subtype") {	1116	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1117	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1118	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1119	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1120
576	} elsif ($type eq "package") {	1121	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1122	my $pkg = shift @arg;
578		1123
579	while (my ($name, $id) = each %cb_id) {	1124	while (my ($name, $id) = each %cb_id) {
…		…
584		1129
585	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1132
588	} elsif (ref $type) {	1133	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
590		1135
591	} else {	1136	} else {
592	shift @arg;	1137	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
594	}	1139	}
595	}	1140	}
596	}	1141	}
597		1142
598	sub _object_attach {	1143	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
609	}	1154	}
610		1155
611	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
612	} else {	1157	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1159	}
615		1160
616	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
617	}	1162	}
618		1163
…		…
620	if (ref $_[0]) {	1165	if (ref $_[0]) {
621	_object_attach @_;	1166	_object_attach @_;
622	} else {	1167	} else {
623	_attach shift->_attach_registry, @_;	1168	_attach shift->_attach_registry, @_;
624	}	1169	}
		1170	_recalc_want;
625	};	1171	};
626		1172
627	# all those should be optimised	1173	# all those should be optimised
628	sub cf::attachable::detach {	1174	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1175	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1178	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1179	reattach ($obj);
634	} else {	1180	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1181	Carp::croak "cannot, currently, detach class attachments";
636	}	1182	}
		1183	_recalc_want;
637	};	1184	};
638		1185
639	sub cf::attachable::attached {	1186	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
641		1188
…		…
656	";	1203	";
657	die if $@;	1204	die if $@;
658	}	1205	}
659		1206
660	our $override;	1207	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1209
663	sub override {	1210	sub override {
664	$override = 1;	1211	$override = 1;
665	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
666	}	1213	}
667		1214
668	sub do_invoke {	1215	sub do_invoke {
669	my $event = shift;	1216	my $event = shift;
670	my $callbacks = shift;	1217	my $callbacks = shift;
671		1218
672	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
673		1220
674	local $override;	1221	local $override;
675		1222
676	for (@$callbacks) {	1223	for (@$callbacks) {
677	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
678		1225
679	if ($@) {	1226	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1228	override;
683	}	1229	}
684		1230
685	return 1 if $override;	1231	return 1 if $override;
686	}	1232	}
687		1233
688	0	1234	0
689	}	1235	}
690		1236
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1238
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1240
695	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
696		1242
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1244	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1246
701	=back	1247	=back
702		1248
703	=cut	1249	=cut
704		1250
705	#############################################################################	1251	#############################################################################
706	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
707		1295
708	sub reattach {	1296	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1298	my ($obj) = @_;
711		1299
		1300	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1302
714	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
715		1304
716	@$registry = ();	1305	@$registry = ();
717		1306
…		…
722	for (@$attach) {	1311	for (@$attach) {
723	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
725	}	1314	}
726	} else {	1315	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1317	}
729	}	1318	}
730	}	1319	}
731		1320
732	cf::attachable->attach (	1321	cf::attachable->attach (
733	prio => -1000000,	1322	prio => -1000000,
734	on_instantiate => sub {	1323	on_instantiate => sub {
735	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
736		1325
737	$data = from_json $data;	1326	$data = decode_json $data;
738		1327
739	for (@$data) {	1328	for (@$data) {
740	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
741		1330
742	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1347	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
760		1349
761	sync_job {	1350	sync_job {
762	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
765		1356
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
770	close $fh;	1364	aio_close $fh;
771		1365
772	if (@$objs) {	1366	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
778	close $fh;	1375	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
780	}	1377	}
781	} else {	1378	} else {
782	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
783	}	1380	}
784		1381
785	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1386	} else {
787	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
788	}	1388	}
789	} else {	1389	} else {
790	aio_unlink $filename;	1390	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
792	}	1392	}
793	}	1393	};
794	}	1394	}
795		1395
796	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
798		1398
…		…
810	or return;	1410	or return;
811		1411
812	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
814	or return;	1414	or return;
		1415
815	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
816	}	1418	}
817		1419
		1420	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
820	return ($data, $av);	1425	($data, $av)
821	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
822		1433
823	#############################################################################	1434	#############################################################################
824	# command handling &c	1435	# command handling &c
825		1436
826	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
827		1438
828	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
829	$name.	1440	$name.
830		1441
831	=cut	1442	=cut
…		…
837	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
838		1449
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1451	}
841		1452
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
843		1454
844	Register a callbackf ro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
845		1460
846	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
847	called.
848		1462
849	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
850		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
851	sub register_extcmd {	1485	sub register_extcmd($$) {
852	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
853		1487
854	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
855	}	1489	}
856		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
857	cf::player->attach (	1511	cf::player->attach (
858	on_command => sub {	1512	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
860		1514
861	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
862	or return;	1516	or return;
863		1517
…		…
868	cf::override;	1522	cf::override;
869	},	1523	},
870	on_extcmd => sub {	1524	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
872		1526
873	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1528
875	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
878	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
879	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
880	}	1550	}
		1551
881	} else {	1552	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1554	}
884		1555
885	cf::override;	1556	cf::override;
886	},	1557	},
887	);	1558	);
888		1559
		1560	# "readahead" all extensions
889	sub load_extension {	1561	sub cache_extensions {
890	my ($path) = @_;	1562	my $grp = IO::AIO::aio_group;
891		1563
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1565	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1567	}
917	die $@;
918	}	1568	};
919		1569
920	push @EXTS, $pkg;	1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
921	}	1582	}
922		1583
923	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
		1589	cf::sync_job {
		1590	my %todo;
		1591
924	for my $ext (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1593	next unless -r $path;
926	eval {	1594
927	load_extension $ext;	1595	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1596	my $base = $1;
		1597	my $pkg = $1;
		1598	$pkg =~ s/[^[:word:]]/_/g;
		1599	$pkg = "ext::$pkg";
		1600
		1601	open my $fh, "<:utf8", $path
		1602	or die "$path: $!";
		1603
		1604	my $source = do { local $/; <$fh> };
		1605
		1606	my %ext = (
		1607	path => $path,
		1608	base => $base,
		1609	pkg => $pkg,
		1610	);
		1611
		1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1614
		1615	$ext{source} =
		1616	"package $pkg; use common::sense;\n"
		1617	. "#line 1 \"$path\"\n{\n"
		1618	. $source
		1619	. "\n};\n1";
		1620
		1621	$todo{$base} = \%ext;
		1622	}
		1623
		1624	my $pass = 0;
		1625	my %done;
		1626	while (%todo) {
		1627	my $progress;
		1628
		1629	++$pass;
		1630
		1631	ext:
		1632	while (my ($k, $v) = each %todo) {
		1633	for (split /,\s*/, $v->{meta}{depends}) {
		1634	next ext
		1635	unless exists $done{$_};
		1636	}
		1637
		1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1639
		1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
		1652	error "$v->{path}: $@\n";
		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1655	if exists $v->{meta}{mandatory};
		1656
		1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1658	delete $todo{$k};
		1659	} else {
		1660	$done{$k} = delete $todo{$k};
		1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
		1666	}
928	1	1667	}
929	} or warn "$ext not loaded: $@";	1668
		1669	unless ($progress) {
		1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
		1679	}
930	}	1680	};
931	}	1681	}
932		1682
933	#############################################################################	1683	#############################################################################
934		1684
		1685	=back
		1686
935	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
936		1688
937	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
938		1690
939	=cut	1691	=cut
940		1692
941	package cf::player;	1693	package cf::player;
942		1694
…		…
944		1696
945	=head3 cf::player	1697	=head3 cf::player
946		1698
947	=over 4	1699	=over 4
948		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
		1714
949	=item cf::player::find $login	1715	=item cf::player::find $login
950		1716
951	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
952		1718
953	=cut	1719	=cut
954		1720
955	sub playerdir($) {	1721	sub playerdir($) {
956	cf::localdir	1722	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1723	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1724	}
962		1725
963	sub path($) {	1726	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1727	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1737
975	sub exists($) {	1738	sub exists($) {
976	my ($login) = @_;	1739	my ($login) = @_;
977		1740
978	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
980	}	1743	}
981		1744
982	sub find($) {	1745	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1747	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1757	aio_unlink +(playerdir $login) . "/$login.pl";
995		1758
996	my $pl = load_pl path $login	1759	my $f = new_from_file cf::object::thawer path $login
997	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
999	}	1768	}
1000	}	1769	}
1001	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
1002		1784
1003	sub save($) {	1785	sub save($) {
1004	my ($pl) = @_;	1786	my ($pl) = @_;
1005		1787
1006	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1012		1794
1013	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1015		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1016	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1017	Coro::cede;	1804	cf::cede_to_tick;
1018	}	1805	}
1019		1806
1020	sub new($) {	1807	sub new($) {
1021	my ($login) = @_;	1808	my ($login) = @_;
1022		1809
…		…
1028	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1029		1816
1030	$self	1817	$self
1031	}	1818	}
1032		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1033	=item $pl->quit_character	1830	=item $pl->quit_character
1034		1831
1035	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1037		1834
…		…
1041	my ($pl) = @_;	1838	my ($pl) = @_;
1042		1839
1043	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1044		1841
1045	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1844
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1051	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1052		1853
1053	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1885	while and may block, so not sync_job-capable, ever.
1085		1886
1086	=cut	1887	=cut
1087		1888
1088	sub list_logins {	1889	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1890	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1891	or return [];
1091		1892
1092	my @logins;	1893	my @logins;
1093		1894
1094	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1098		1905
1099	utf8::decode $login;	1906	utf8::decode $login;
1100	push @logins, $login;	1907	push @logins, $login;
1101	}	1908	}
1102		1909
1103	\@logins	1910	\@logins
1104	}	1911	}
1105		1912
1106	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1107		1916
1108	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1109	player. May block.	1918	player. May block.
1110		1919
1111	=cut	1920	=cut
…		…
1129	}	1938	}
1130		1939
1131	\@paths	1940	\@paths
1132	}	1941	}
1133		1942
1134	=item $player->ext_reply ($msgid, %msg)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1135		1944
1136	Sends an ext reply to the player.	1945	Expand deliantra pod fragments into protocol xml.
1137		1946
1138	=cut
1139
1140	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;
1142
1143	$msg{msgid} = $id;
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}
1147
1148	=item $player->ext_event ($type, %msg)	1947	=item $player->ext_msg ($type, @msg)
1149		1948
1150	Sends an ext event to the client.	1949	Sends an ext event to the client.
1151		1950
1152	=cut	1951	=cut
1153		1952
1154	sub ext_event($$%) {	1953	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1156		1955
1157	$self->ns->ext_event ($type, %msg);	1956	$self->ns->ext_msg ($type, @msg);
1158	}	1957	}
1159		1958
1160	=head3 cf::region	1959	=head3 cf::region
1161		1960
1162	=over 4	1961	=over 4
…		…
1165		1964
1166	package cf::region;	1965	package cf::region;
1167		1966
1168	=item cf::region::find_by_path $path	1967	=item cf::region::find_by_path $path
1169		1968
1170	Tries to decuce the probable region for a map knowing only its path.	1969	Tries to decuce the likely region for a map knowing only its path.
1171		1970
1172	=cut	1971	=cut
1173		1972
1174	sub find_by_path($) {	1973	sub find_by_path($) {
1175	my ($path) = @_;	1974	my ($path) = @_;
1176		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
1177	my ($match, $specificity);	1978	my ($match, $specificity);
1178		1979
1179	for my $region (list) {	1980	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1981	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1982	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1983	if $region->specificity > $specificity;
1183	}	1984	}
1184	}	1985	}
1185		1986
…		…
1206	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1208		2009
1209	sub generate_random_map {	2010	sub generate_random_map {
1210	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1212	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	2016	}
1226		2017
1227	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1228		2019
1229	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1234		2025
1235	sub register {	2026	sub register {
1236	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	2028	my $pkg = caller;
1238		2029
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		2031
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	2033	}
1244		2034
1245	# also paths starting with '/'	2035	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		2037
1248	sub thawer_merge {	2038	sub thawer_merge {
1249	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1250		2040
1251	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
1252	local $self->{path};	2042	local $self->{path};
1253	local $self->{load_path};	2043	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		2044
1257	$self->SUPER::thawer_merge ($merge);	2045	$self->SUPER::thawer_merge ($merge);
1258	}	2046	}
1259		2047
1260	sub normalise {	2048	sub normalise {
1261	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1262		2050
1263	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1264		2052
1265	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1266		2054
1267	# map plan:	2055	# map plan:
1268	#	2056	#
…		…
1283	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	2072	$path = "$base/$path";
1285	}	2073	}
1286		2074
1287	for ($path) {	2075	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1291	}	2078	}
1292		2079
1293	$path	2080	$path
…		…
1307	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1308	return $self;	2095	return $self;
1309	}	2096	}
1310	}	2097	}
1311		2098
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2100	()
1314	}	2101	}
1315		2102
		2103	# may re-bless or do other evil things
1316	sub init {	2104	sub init {
1317	my ($self) = @_;	2105	my ($self) = @_;
1318		2106
1319	$self	2107	$self
1320	}	2108	}
…		…
1332		2120
1333	# the original (read-only) location	2121	# the original (read-only) location
1334	sub load_path {	2122	sub load_path {
1335	my ($self) = @_;	2123	my ($self) = @_;
1336		2124
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2125	"$MAPDIR/$self->{path}.map"
1338	}	2126	}
1339		2127
1340	# the temporary/swap location	2128	# the temporary/swap location
1341	sub save_path {	2129	sub save_path {
1342	my ($self) = @_;	2130	my ($self) = @_;
1343		2131
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2133	"$TMPDIR/$path.map"
1346	}	2134	}
1347		2135
1348	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1349	sub uniq_path {	2137	sub uniq_path {
1350	my ($self) = @_;	2138	my ($self) = @_;
1351		2139
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2141	"$UNIQUEDIR/$path"
1354	}	2142	}
1355		2143
1356	# and all this just because we cannot iterate over	2144	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2145	my ($self) = @_;
1360		2146
1361	$_->change_map_light ($change)	2147	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2148
		2149	$self->do_decay_objects;
1363	}	2150	}
1364		2151
1365	sub unlink_save {	2152	sub unlink_save {
1366	my ($self) = @_;	2153	my ($self) = @_;
1367		2154
…		…
1372		2159
1373	sub load_header_from($) {	2160	sub load_header_from($) {
1374	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1375		2162
1376	utf8::encode $path;	2163	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2165	or return;
1382		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1383	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1384		2174
1385	1	2175	1
1386	}	2176	}
1387		2177
		2178	# used to laod the header of an original map
1388	sub load_header_orig {	2179	sub load_header_orig {
1389	my ($self) = @_;	2180	my ($self) = @_;
1390		2181
1391	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1392	}	2183	}
1393		2184
		2185	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2186	sub load_header_temp {
1395	my ($self) = @_;	2187	my ($self) = @_;
1396		2188
1397	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1398	}	2190	}
1399		2191
		2192	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2193	sub prepare_temp {
1401	my ($self) = @_;	2194	my ($self) = @_;
1402		2195
1403	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1405	# safety	2198	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2201	}
1409		2202
		2203	# called after loading the header from an original map
1410	sub prepare_orig {	2204	sub prepare_orig {
1411	my ($self) = @_;	2205	my ($self) = @_;
1412		2206
1413	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2219	$self->load_header_orig
1426	or return;	2220	or return;
1427	$self->prepare_orig;	2221	$self->prepare_orig;
1428	}	2222	}
1429		2223
		2224	$self->{deny_reset} = 1
		2225	if $self->no_reset;
		2226
1430	$self->default_region (cf::region::find_by_path $self->{path})	2227	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2228	unless $self->default_region;
1432		2229
1433	1	2230	1
1434	}	2231	}
1435		2232
1436	sub find;	2233	sub find;
1437	sub find {	2234	sub find {
1438	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1439		2236
		2237	cf::cede_to_tick;
		2238
1440	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1441		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2243
1444	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1447	or return;	2246	or return;
1448		2247
1449	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1450		2249
1451	$map->load_header	2250	$map->load_header
1452	or return;	2251	or return;
1453		2252
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1457	$map->reset;	2258	$map->reset;
1458	undef $guard;
1459	return find $path;	2259	return find $path;
1460	}	2260	}
1461		2261
1462	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1463	}	2263	}
1464	}	2264	}
1465		2265
1466	sub pre_load { }	2266	sub pre_load { }
1467	sub post_load { }	2267	#sub post_load { } # XS
1468		2268
1469	sub load {	2269	sub load {
1470	my ($self) = @_;	2270	my ($self) = @_;
1471		2271
1472	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1473		2273
1474	my $path = $self->{path};	2274	my $path = $self->{path};
		2275
		2276	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1476		2278
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2279	return unless $self->valid;
		2280	return unless $self->state == cf::MAP_SWAPPED;
1478		2281
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2282	$self->alloc;
1482		2283
1483	$self->pre_load;	2284	$self->pre_load;
1484	Coro::cede;	2285	cf::cede_to_tick;
1485		2286
1486	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1487	or return;	2291	or return;
1488		2292
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1490	if delete $self->{load_original};	2294	if delete $self->{load_original};
1491		2295
1492	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2297	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2300	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1497	}	2305	}
1498	}
1499		2306
1500	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1501	# now do the right thing for maps	2316	# now do the right thing for maps
1502	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2319	unless $self->difficulty;
1513	Coro::cede;	2320	cf::cede_to_tick;
1514	$self->activate;	2321
1515	Coro::cede;	2322	unless ($self->{deny_activate}) {
		2323	$self->decay_objects;
		2324	$self->fix_auto_apply;
		2325	$self->update_buttons;
		2326	cf::cede_to_tick;
		2327	#$self->activate; # no longer activate maps automatically
		2328	}
		2329
		2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1516	}	2332	}
1517		2333
1518	$self->post_load;	2334	$self->post_load;
1519	Coro::cede;
1520		2335
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2336	1
1522	}	2337	}
1523		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2342	sub customise_for {
1525	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1526		2344
1527	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2346	if $self->per_player;
1529		2347
		2348	# return find "?party/" . $ob->name . "/" . $self->{path}
		2349	# if $self->per_party;
		2350
1530	$self	2351	$self
1531	}
1532
1533	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {
1535	my ($map) = @_;
1536
1537	my @diag; # diagonal neighbours
1538
1539	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)
1541	or next;
1542	$neigh = find $neigh, $map
1543	or next;
1544	$neigh->load;
1545
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}
1549
1550	for (@diag) {
1551	my $neigh = find @$_
1552	or next;
1553	$neigh->load;
1554	}
1555	}	2352	}
1556		2353
1557	sub find_sync {	2354	sub find_sync {
1558	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1559		2356
1560	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1561	}	2362	}
1562		2363
1563	sub do_load_sync {	2364	sub do_load_sync {
1564	my ($map) = @_;	2365	my ($map) = @_;
1565		2366
1566	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1567	}	2372	}
1568		2373
1569	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1571		2376
1572	sub find_async {	2377	sub find_async {
1573	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1574		2379
1575	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1576		2381
1577	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1579	}	2384	}
1580		2385
1581	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1582	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1583	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2393	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2394	$map->load if $v;
		2395	}
1588		2396
1589	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1590	}	2398	}
1591	}	2399	}
1592	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1593	};	2401	};
1594	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1595		2403
1596	()	2404	()
1597	}	2405	}
1598		2406
		2407	# common code, used by both ->save and ->swapout
1599	sub save {	2408	sub _save {
1600	my ($self) = @_;	2409	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2410
1604	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1605		2412
1606	return unless $self->dirty;	2413	return unless $self->dirty;
1607		2414
…		…
1613	return if $self->{deny_save};	2420	return if $self->{deny_save};
1614		2421
1615	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1616		2423
1617	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1619	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1620		2430
1621	if ($uniq) {	2431	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2434	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2436	}
1627	}	2437	}
1628		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1629	sub swap_out {	2447	sub swap_out {
1630	my ($self) = @_;	2448	my ($self) = @_;
1631		2449
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1637	return if $self->players;	2454	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1641	$self->clear;	2465	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2466	}
1644		2467
1645	sub reset_at {	2468	sub reset_at {
1646	my ($self) = @_;	2469	my ($self) = @_;
1647		2470
1648	# TODO: safety, remove and allow resettable per-player maps	2471	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2472	return 1e99 if $self->{deny_reset};
1651		2473
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2476
…		…
1665	my ($self) = @_;	2487	my ($self) = @_;
1666		2488
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2490
1669	return if $self->players;	2491	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2492
1672	warn "resetting map ", $self->path;#d#	2493	cf::trace "resetting map ", $self->path, "\n";
1673		2494
1674	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1675		2496
1676	# need to save uniques path	2497	# need to save uniques path
1677	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2500
…		…
1681	if $uniq;	2502	if $uniq;
1682	}	2503	}
1683		2504
1684	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1685		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2509	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2510
1690	$self->unlink_save;	2511	$self->unlink_save;
1691	$self->destroy;	2512	$self->destroy;
1692	}	2513	}
1693		2514
1694	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1695		2516
1696	sub nuke {	2517	sub nuke {
1697	my ($self) = @_;	2518	my ($self) = @_;
1698		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1699	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1700		2524
1701	$self->unlink_save;	2525	$self->unlink_save;
1702		2526
1703	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2532
1709	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1710		2535
1711	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
		2537	}
		2538
		2539	=item $maps = cf::map::tmp_maps
		2540
		2541	Returns an arrayref with all map paths of currently instantiated and saved
		2542	maps. May block.
		2543
		2544	=cut
		2545
		2546	sub tmp_maps() {
		2547	[
		2548	map {
		2549	utf8::decode $_;
		2550	/\.map$/
		2551	? normalise $_
		2552	: ()
		2553	} @{ aio_readdir $TMPDIR or [] }
		2554	]
		2555	}
		2556
		2557	=item $maps = cf::map::random_maps
		2558
		2559	Returns an arrayref with all map paths of currently instantiated and saved
		2560	random maps. May block.
		2561
		2562	=cut
		2563
		2564	sub random_maps() {
		2565	[
		2566	map {
		2567	utf8::decode $_;
		2568	/\.map$/
		2569	? normalise "?random/$_"
		2570	: ()
		2571	} @{ aio_readdir $RANDOMDIR or [] }
		2572	]
1712	}	2573	}
1713		2574
1714	=item cf::map::unique_maps	2575	=item cf::map::unique_maps
1715		2576
1716	Returns an arrayref of paths of all shared maps that have	2577	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2578	instantiated unique items. May block.
1718		2579
1719	=cut	2580	=cut
1720		2581
1721	sub unique_maps() {	2582	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2583	[
1723	or return;	2584	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2585	utf8::decode $_;
1729	next if /\.pst$/;	2586	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2588	? ()
1732	push @paths, cf::map::normalise $_;	2589	: normalise $_
		2590	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2591	]
1734
1735	\@paths
1736	}	2592	}
1737		2593
1738	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
1739		2625
1740	=back	2626	=back
1741		2627
1742	=head3 cf::object	2628	=head3 cf::object
1743		2629
…		…
1747		2633
1748	=over 4	2634	=over 4
1749		2635
1750	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1751		2637
1752	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
1753		2640
1754	=cut	2641	=cut
1755		2642
1756	sub inv_recursive_;	2643	sub inv_recursive_;
1757	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1760		2647
1761	sub inv_recursive {	2648	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1763	}	2650	}
1764		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
1765	package cf;	2680	package cf;
1766		2681
1767	=back	2682	=back
1768		2683
1769	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2691	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1778		2693
1779	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
1780		2709
1781	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2711	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1786		2715
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2717
1789	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1791	} else {	2721	} else {
		2722	my $pl = $self->contr;
		2723
		2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2725	my $dialog = $pl->{npc_dialog};
		2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2727
		2728	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1794	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
1795	}	2743	}
1796		2744
1797	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1798		2746
1799	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1812		2760
1813	=item $player_object->enter_link	2761	=item $player_object->enter_link
1814		2762
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2764
1817	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
1819		2769
1820	Will never block.	2770	Will never block.
1821		2771
1822	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1823		2773
…		…
1843	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2794	my ($self) = @_;
1845		2795
1846	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1847		2797
		2798	++$self->{_link_recursion};
		2799
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2801
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2803	if $self->map && $self->map->{path} ne "{link}";
1852		2804
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2806	}
1855		2807
1856	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
		2810
		2811	return unless $self->contr->active;
1858		2812
1859	my $link_pos = delete $self->{_link_pos};	2813	my $link_pos = delete $self->{_link_pos};
1860		2814
1861	unless ($map) {	2815	unless ($map) {
1862	# restore original map position	2816	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
1875		2829
1876	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
1879		2833
1880	$map->load;	2834	$map->load;
1881	$map->load_diag;
1882		2835
1883	return unless $self->contr->active;	2836	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2837
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
1888	}	2840	# entering was successful
1889		2841	delete $self->{_link_recursion};
1890	cf::player->attach (	2842	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2843	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2844	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2845
1904	# try to abort aborted map switching on player login :)	2846	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2847
1922	=item $player_object->goto ($path, $x, $y)	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2849
		2850	Moves the player to the given map-path and coordinates by first freezing
		2851	her, loading and preparing them map, calling the provided $check callback
		2852	that has to return the map if sucecssful, and then unfreezes the player on
		2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
		2858
1924	=cut	2859	=cut
		2860
		2861	our $GOTOGEN;
1925		2862
1926	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
		2871
		2872	# do generation counting so two concurrent goto's will be executed in-order
		2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2874
1929	$self->enter_link;	2875	$self->enter_link;
1930		2876
1931	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
1932	my $map = eval {	2899	my $map = eval {
1933	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2901
		2902	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2903	$map = $map->customise_for ($self);
		2904	$map = $check->($map, $x, $y, $self) if $check && $map;
		2905	} else {
		2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2907	}
		2908
1935	$map	2909	$map
		2910	};
		2911
		2912	if ($@) {
		2913	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2914	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2915	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2916
		2917	if ($gen == $self->{_goto_generation}) {
		2918	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
		2920	}
		2921
		2922	$done->($self) if $done;
1940	})->prio (1);	2923	})->prio (1);
1941	}	2924	}
1942		2925
1943	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
1944		2927
…		…
1964	}	2947	}
1965		2948
1966	sub prepare_random_map {	2949	sub prepare_random_map {
1967	my ($exit) = @_;	2950	my ($exit) = @_;
1968		2951
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2954	# that depends on the exit object
1974		2955
1975	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2958	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
1982	}	2965	}
1983		2966
1984	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
1985		2968
1986	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
1989		2972
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2975	undef $fh;
1993	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
1994		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
1997	}	2984	}
1998	}	2985	}
1999		2986
2000	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
2002		2989
2003	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
2004		2991
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2992	$self->enter_link;
2017		2993
2018	(async {	2994	(async {
2019	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
2020	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
2021	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
2022		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
2023	1;	3033	1
2024	}) {	3034	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2029		3039
2030	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	3041	$self->leave_link;
2032	}	3042	}
2033	})->prio (1);	3043	})->prio (1);
2034	}	3044	}
2035		3045
…		…
2049		3059
2050	utf8::encode $text;	3060	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	3062	}
2053		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
		3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3090
		3091	Send a drawinfo or msg packet to the client, formatting the msg for the
		3092	client if neccessary. C<$type> should be a string identifying the type of
		3093	the message, with C<log> being the default. If C<$color> is negative, suppress
		3094	the message unless the client supports the msg packet.
		3095
		3096	=cut
		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
		3212	sub cf::client::send_msg {
		3213	my ($self, $channel, $msg, $color, @extra) = @_;
		3214
		3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
2054	=item $client->ext_event ($type, %msg)	3251	=item $client->ext_msg ($type, @msg)
2055		3252
2056	Sends an exti event to the client.	3253	Sends an ext event to the client.
2057		3254
2058	=cut	3255	=cut
2059		3256
2060	sub cf::client::ext_event($$%) {	3257	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3258	my ($self, $type, @msg) = @_;
2062		3259
2063	$msg{msgtype} = "event_$type";	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2064	$self->send_packet ("ext " . cf::to_json \%msg);
2065	}	3261	}
2066		3262
2067	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2068		3264
2069	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3266	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3268
2073	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3270	become reliable at some point in the future.
2075		3271
2076	=cut	3272	=cut
2077		3273
2078	sub cf::client::query {	3274	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3283	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3285
2090	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2092	}	3290	}
2093		3291
2094	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2095	on_reply => sub {	3298	on_reply => sub {
2096	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2097		3300
2098	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2099	# get handled first	3302	# get handled first
…		…
2111	} else {	3314	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3316	}
2114	}	3317	}
2115	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2116	);	3352	);
2117		3353
2118	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2119		3355
2120	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3372
2137	$coro	3373	$coro
2138	}	3374	}
2139		3375
2140	cf::client->attach (	3376	cf::client->attach (
2141	on_destroy => sub {	3377	on_client_destroy => sub {
2142	my ($ns) = @_;	3378	my ($ns) = @_;
2143		3379
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3381	},
2146	);	3382	);
…		…
2161	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2163		3399
2164	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2165		3401
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2167		3407
2168	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2169		3409
2170	=pod	3410	=pod
2171		3411
2172	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2173		3413
2174	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2175	cf::object::player player	3419	cf::object::player
2176	cf::player peaceful	3420	player
2177	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2178		3427
2179	=cut	3428	=cut
2180		3429
2181	for (	3430	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2186	) {	3437	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3440	for @funs;
2191	}	3441	}
2192		3442
…		…
2207		3457
2208	my $qcode = $code;	3458	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2211		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2212	local $_;	3465	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3466
2215	my $eval =	3467	my $eval =
2216	"do {\n"	3468	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3471	. $code
2220	. "\n}"	3472	. "\n}"
2221	;	3473	;
2222		3474
		3475	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2226		3484
2227	if ($@) {	3485	if ($@) {
2228	warn "$@";	3486	warn "$@",
2229	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2231	}	3489	}
2232		3490
2233	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2234	}	3492	}
2235		3493
…		…
2249	=cut	3507	=cut
2250		3508
2251	sub register_script_function {	3509	sub register_script_function {
2252	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2253		3511
2254	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2256	}	3514	}
2257		3515
2258	=back	3516	=back
2259		3517
2260	=cut	3518	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3519
2334	#############################################################################	3520	#############################################################################
2335	# the server's init and main functions	3521	# the server's init and main functions
2336		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
2337	sub load_facedata {	3547	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3548	my ($path) = @_;
2339		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
2340	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2341		3557
2342	my $facedata;	3558	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3559
2348	$facedata->{version} == 2	3560	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3562
		3563	cf::cede_to_tick;
		3564
2351	{	3565	{
2352	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
2353		3567
2354	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
2360	}	3580	}
2361		3581
2362	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2364	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
2365	or next;	3586	or next;
		3587
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3591	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3593	}
2371	Coro::cede;	3594
		3595	cf::cede_to_tick;
2372	}	3596	}
2373	}	3597	}
2374		3598
2375	{	3599	{
2376	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
2377		3601
2378	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3604	cf::cede_to_tick;
2381	}	3605	}
2382		3606
2383	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
2384	}	3608	}
2385		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
2386	1	3632	1
2387	}	3633	}
2388		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
		3643	sub load_resource_file($) {
		3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
		3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
		3671	load_resource_file "$MAPDIR/regions"
		3672	or die "unable to load regions file\n";
		3673
		3674	for (cf::region::list) {
		3675	$_->{match} = qr/$_->{match}/
		3676	if exists $_->{match};
		3677	}
		3678	}
		3679
		3680	sub reload_facedata {
		3681	load_facedata "$DATADIR/facedata"
		3682	or die "unable to load facedata\n";
		3683	}
		3684
2389	sub load_archetypes {	3685	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3686	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3687	or die "unable to load archetypes\n";
2392	}
2393		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
		3697	}
		3698
2394	sub load_treasures {	3699	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3700	load_resource_file "$DATADIR/treasures"
		3701	or die "unable to load treasurelists\n";
		3702	}
		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
2396	}	3722	}
2397		3723
2398	sub reload_resources {	3724	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3725	trace "reloading resource files...\n";
2400	or die "unable to load regions file\n";	3726
		3727	reload_materials;
2401	load_facedata	3728	reload_facedata;
2402	or die "unable to load facedata\n";	3729	reload_exp_table;
		3730	reload_sound;
2403	load_archetypes	3731	reload_archetypes;
2404	or die "unable to load archetypes\n";	3732	reload_regions;
2405	load_treasures	3733	reload_treasures;
2406	or die "unable to load treasurelists\n";
2407	}
2408		3734
2409	sub init {	3735	trace "finished reloading resource files\n";
2410	reload_resources;
2411	}	3736	}
2412		3737
2413	sub cfg_load {	3738	sub reload_config {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	3739	trace "reloading config file...\n";
2415	or return;
2416		3740
2417	local $/;	3741	my $config = load_file "$CONFDIR/config";
2418	*CFG = YAML::Syck::Load <$fh>;	3742	utf8::decode $config;
		3743	*CFG = decode_yaml $config;
2419		3744
2420	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2421		3746
2422	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2423	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2424		3749
2425	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2429	};	3754	};
2430	warn $@ if $@;	3755	warn $@ if $@;
2431	}	3756	}
2432	}	3757	}
2433		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
2434	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2435	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2436	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2437	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2438	(async {	3800	(async {
2439	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2440	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2441	};	3804	};
2442		3805
2443	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2444	db_init;	3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2445	load_extensions;	3830	load_extensions;
2446		3831
2447	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2448	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2449	}	3849	}
2450		3850
2451	#############################################################################	3851	#############################################################################
2452	# initialisation and cleanup	3852	# initialisation and cleanup
2453		3853
2454	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2455	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2456	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2457	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2458	reentrant => 0,
2459	data => WF_AUTOCANCEL,
2460	signal => $signal,
2461	prio => 0,
2462	cb => sub {
2463	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2464	},
2465	);	3860	};
		3861	}
		3862	}
		3863
		3864	sub write_runtime_sync {
		3865	my $t0 = AE::time;
		3866
		3867	# first touch the runtime file to show we are still running:
		3868	# the fsync below can take a very very long time.
		3869
		3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3871
		3872	my $guard = cf::lock_acquire "write_runtime";
		3873
		3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3875	or return;
		3876
		3877	my $value = $cf::RUNTIME + 90 + 10;
		3878	# 10 is the runtime save interval, for a monotonic clock
		3879	# 60 allows for the watchdog to kill the server.
		3880
		3881	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3882	and return;
		3883
		3884	# always fsync - this file is important
		3885	aio_fsync $fh
		3886	and return;
		3887
		3888	# touch it again to show we are up-to-date
		3889	aio_utime $fh, undef, undef;
		3890
		3891	close $fh
		3892	or return;
		3893
		3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3895	and return;
		3896
		3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3898
2466	}	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2467	}	3950	}
2468		3951
2469	sub emergency_save() {	3952	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2471		3954
2472	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2473		3961
2474	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2475	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2476	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2477	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2478	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2479	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2480	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2481	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2482	$pl->save;	3973	$pl->save;
2483	}	3974	}
2484	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2485		3976
2486	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2487	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2488	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2489	$map->valid or next;	3982	$map->valid or next;
2490	$map->save;	3983	$map->save;
2491	}	3984	}
2492	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2493		3986
2494	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
2495	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2496	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2497	};	4015	};
2498		4016
2499	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2500	}	4018	}
2501		4019
2502	sub post_cleanup {	4020	sub post_cleanup {
2503	my ($make_core) = @_;	4021	my ($make_core) = @_;
2504		4022
		4023	IO::AIO::flush;
		4024
2505	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	4026	if $make_core;
2507	}
2508		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
		4055	}
		4056
2509	sub reload() {	4057	sub do_reload_perl() {
2510	# can/must only be called in main	4058	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2512	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2513	return;	4061	return;
2514	}	4062	}
2515		4063
2516	warn "reloading...";	4064	return if $RELOAD++;
2517		4065
2518	warn "entering sync_job";	4066	my $t1 = AE::time;
2519		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2520	cf::sync_job {	4074	cf::sync_job {
2521	cf::write_runtime; # external watchdog should not bark
2522	cf::emergency_save;	4075	#cf::emergency_save;
2523	cf::write_runtime; # external watchdog should not bark
2524		4076
2525	warn "syncing database to disk";
2526	BDB::db_env_txn_checkpoint $DB_ENV;
2527
2528	# if anything goes wrong in here, we should simply crash as we already saved
2529
2530	warn "cancelling all WF_AUTOCANCEL watchers";
2531	for (Event::all_watchers) {
2532	$_->cancel if $_->data & WF_AUTOCANCEL;
2533	}
2534
2535	warn "flushing outstanding aio requests";
2536	for (;;) {
2537	BDB::flush;
2538	IO::AIO::flush;
2539	Coro::cede;
2540	last unless IO::AIO::nreqs || BDB::nreqs;
2541	warn "iterate...";
2542	}
2543
2544	++$RELOAD;
2545
2546	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2547	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2548	%EXT_CORO = ();	4079	%EXT_CORO = ();
2549		4080
2550	warn "removing commands";	4081	trace "perl_reload: removing commands";
2551	%COMMAND = ();	4082	%COMMAND = ();
2552		4083
2553	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2554	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2555		4087
2556	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2559		4091
2560	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2561	eval {	4093	eval {
2562	$cb->($pkg);	4094	$cb->($pkg);
2563	1	4095	1
2564	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2565	}	4101	}
2566		4102
2567	warn "... nuking $pkg";
2568	Symbol::delete_package $pkg;
2569	}
2570
2571	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2572	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2573	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2574		4106
2575	warn "... unloading $k";	4107	trace "... unloading $k";
2576	delete $INC{$k};	4108	delete $INC{$k};
2577		4109
2578	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2579	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2580		4112
2581	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2582	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2583	}	4118	}
2584		4119
2585	Symbol::delete_package $k;
2586	}
2587
2588	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2589	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591		4123
2592	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
		4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2594		4127
2595	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2596	# and global variables created in xs	4129	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2598		4131
2599	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2600		4133
2601	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2602	require cf;	4135	require cf;
2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2604		4137
2605	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2606	cf::cfg_load;	4139	cf::reload_config;
2607		4140
2608	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2609	cf::load_extensions;	4142	cf::load_extensions;
2610		4143
		4144	if ($REATTACH_ON_RELOAD) {
2611	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2612	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
2613	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2614	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
2617		4152
2618	warn "loading reloadable resources";	4153	cf::_post_init 1;
2619	reload_resources;
2620		4154
2621	warn "leaving sync_job";	4155	trace "perl_reload: leaving sync_job";
2622		4156
2623	1	4157	1
2624	} or do {	4158	} or do {
2625	warn $@;	4159	error $@;
2626	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2627	exit 1;	4161	};
		4162
		4163	--$RELOAD;
		4164	}
		4165
		4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
		4168	};
		4169
		4170	our $RELOAD_WATCHER; # used only during reload
		4171
		4172	sub reload_perl() {
		4173	# doing reload synchronously and two reloads happen back-to-back,
		4174	# coro crashes during coro_state_free->destroy here.
		4175
		4176	$RELOAD_WATCHER ||= cf::async {
		4177	Coro::AIO::aio_wait cache_extensions;
		4178
		4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4180	do_reload_perl;
		4181	undef $RELOAD_WATCHER;
		4182	};
2628	};	4183	};
2629		4184	}
2630	warn "reloaded";
2631	};
2632
2633	our $RELOAD_WATCHER; # used only during reload
2634		4185
2635	register_command "reload" => sub {	4186	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2637		4188
2638	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
2640		4191	async {
2641	# doing reload synchronously and two reloads happen back-to-back,	4192	$Coro::current->{desc} = "perl_reload";
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;	4193	reload_perl;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);	4194	};
2653	}	4195	}
2654	};	4196	};
2655		4197
2656	unshift @INC, $LIBDIR;	4198	#############################################################################
2657		4199
2658	my $bug_warning = 0;	4200	my $bug_warning = 0;
2659		4201
2660	our @WAIT_FOR_TICK;
2661	our @WAIT_FOR_TICK_BEGIN;
2662
2663	sub wait_for_tick {	4202	sub wait_for_tick() {
2664	return unless $TICK_WATCHER->is_active;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2665	return if $Coro::current == $Coro::main;
2666		4204
2667	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
2668	push @WAIT_FOR_TICK, $signal;
2669	$signal->wait;
2670	}	4206	}
2671		4207
2672	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
2673	return unless $TICK_WATCHER->is_active;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2674	return if $Coro::current == $Coro::main;
2675		4210
2676	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
2677	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
2678	$signal->wait;	4213	$signal->wait;
2679	}	4214	}
2680		4215
2681	$TICK_WATCHER = Event->timer (	4216	sub tick {
2682	reentrant => 0,
2683	parked => 1,
2684	prio => 0,
2685	at => $NEXT_TICK || $TICK,
2686	data => WF_AUTOCANCEL,
2687	cb => sub {
2688	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2691	return;	4220	return;
2692	}	4221	}
2693		4222
2694	$NOW = Event::time;	4223	cf::one_tick; # one server iteration
2695		4224
2696	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2697	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;
2699		4226
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2702	Coro::async_pool {	4229	Coro::async_pool {
		4230	$Coro::current->{desc} = "runtime saver";
2703	write_runtime	4231	write_runtime_sync
2704	or warn "ERROR: unable to write runtime file: $!";	4232	or error "ERROR: unable to write runtime file: $!";
2705	};
2706	}	4233	};
		4234	}
2707		4235
2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709	$sig->send;	4237	$sig->send;
2710	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;
2713	}
2714
2715	# my $AFTER = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717
2718	# if we are delayed by four ticks or more, skip them all
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2720
2721	$TICK_WATCHER->at ($NEXT_TICK);
2722	$TICK_WATCHER->start;
2723	},	4238	}
2724	);	4239	$WAIT_FOR_TICK->broadcast;
		4240
		4241	$LOAD = ($NOW - $TICK_START) / $TICK;
		4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4243
		4244	if (0) {
		4245	if ($NEXT_TICK) {
		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
		4249	}
		4250	}
		4251	}
2725		4252
2726	{	4253	{
2727	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2728	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2729	reentrant => 0,	4256
2730	fd => BDB::poll_fileno,
2731	poll => 'r',
2732	prio => 0,
2733	data => WF_AUTOCANCEL,
2734	cb => \&BDB::poll_cb,
2735	);
2736	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
2737		4258	BDB::max_poll_reqs $TICK * 0.1;
2738	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
2739	my $status;
2740	my $current = $Coro::current;
2741	(
2742	sub {
2743	$status = $!;
2744	$current->ready; undef $current;
2745	},
2746	sub {
2747	Coro::schedule while defined $current;
2748	$! = $status;
2749	},
2750	)
2751	};
2752		4260
2753	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
2754	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2755		4268
2756	cf::sync_job {	4269	cf::sync_job {
2757	eval {	4270	eval {
2758	BDB::db_env_open	4271	BDB::db_env_open
2759	$DB_ENV,	4272	$DB_ENV,
2760	$BDB_ENV_DIR,	4273	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	4276	0666;
2764		4277
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766
2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768	$DB_ENV->set_lk_detect;
2769	};	4279	};
2770		4280
2771	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
2772	};	4282	};
2773	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
2774	}	4296	}
2775		4297
2776	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
2777	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
2778
2779	undef $Coro::AIO::WATCHER;
2780	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
2781	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
2782	reentrant => 0,	4305	info "aio initialised";
2783	data => WF_AUTOCANCEL,
2784	fd => IO::AIO::poll_fileno,
2785	poll => 'r',
2786	prio => 6,
2787	cb => \&IO::AIO::poll_cb,
2788	);
2789	}	4306	}
		4307
		4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
		4310
		4311	sub _log_backtrace {
		4312	my ($msg, @addr) = @_;
		4313
		4314	$msg =~ s/\n$//;
		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4319	# limit the # of concurrent backtraces
		4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
		4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
		4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
		4327	my @bt = fork_call {
		4328	@addr = map { sprintf "%x", $_ } @addr;
		4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4331	or die "addr2line: $!";
		4332
		4333	my @funcs;
		4334	my @res = <$fh>;
		4335	chomp for @res;
		4336	while (@res) {
		4337	my ($func, $line) = splice @res, 0, 2, ();
		4338	push @funcs, "[$func] $line";
		4339	}
		4340
		4341	@funcs
		4342	};
		4343
		4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4346	LOG llevInfo, "[ABT] $_\n" for @bt;
		4347	--$_log_backtrace;
		4348	};
		4349	} else {
		4350	LOG llevInfo, "[ABT] $msg\n";
		4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4352	}
		4353	}
		4354
		4355	# load additional modules
		4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
2790		4358
2791	END { cf::emergency_save }	4359	END { cf::emergency_save }
2792		4360
2793	1	4361	1
2794		4362

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