ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
26	use Time::HiRes;	62	use IO::AIO ();
27	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
28		65
		66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		78
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		81
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		83
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		85
40	our %COMMAND = ();	86	our %COMMAND = ();
41	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
42		88
43	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
47		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	98	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
50		101
51	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	103
53	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
54	our $WRITE_RUNTIME_WATCHER;	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(!)
		127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	144	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		145
59	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		149
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
79	binmode STDOUT;	166	binmode STDOUT;
80	binmode STDERR;	167	binmode STDERR;
81		168
82	# read virtual server time, if available	169	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
87	}	174	}
88		175
89	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	177
91	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		180
96	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
97		182
98	sub cf::map::normalise;	183	sub cf::map::normalise;
99		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
100	#############################################################################	189	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
103		203
104	=over 4	204	=over 4
105		205
106	=item $cf::UPTIME	206	=item $cf::UPTIME
107		207
108	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.
109		224
110	=item $cf::RUNTIME	225	=item $cf::RUNTIME
111		226
112	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
113	every server tick.	228	every server tick.
114		229
115	=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
116		233
117	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	245	=item $cf::LOAD
121		246
122	The time of the last (current) server tick.	247	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		248
128	=item %cf::CFG	249	=item %cf::CFG
129		250
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	252	from wherever your confdir points to.
132		253
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		255
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$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.
139		288
140	=back	289	=back
141		290
142	=cut	291	=cut
143		292
144	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	300	my $msg = join "", @_;
147	utf8::encode $msg;
148		301
149	$msg .= "\n"	302	$msg .= "\n"
150	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
151		304
		305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		306
152	LOG llevError, $msg;	307	LOG llevWarn, $msg;
153	};	308	};
154	}	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	};
155		323
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		331
163	# 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
164	# within the Safe compartment.	333	# within the Safe compartment.
165	for my $pkg (qw(	334	for my $pkg (qw(
166	cf::global cf::attachable	335	cf::global cf::attachable
167	cf::object cf::object::player	336	cf::object cf::object::player
168	cf::client cf::player	337	cf::client cf::player
169	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
170	cf::map cf::party cf::region	340	cf::party cf::region
171	)) {	341	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	343	}
175		344
176	$Event::DIED = sub {	345	$EV::DIED = sub {
177	warn "error in event callback: @_";	346	warn "error in event callback: $@";
178	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
179		355
180	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
181		357
182	=over 4	358	=over 4
183		359
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	379	$d
204	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
205	}	381	}
206		382
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
208		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($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
209	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
210		436
211	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
212		438
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
221		440
222	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
223		442
224	=cut	443	=cut
225		444
226	sub to_json($) {	445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	446
228	JSON::Syck::Dump $_[0]	447	sub encode_json($) { $json_coder->encode ($_[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	}
229	}	510	}
230		511
231	=item cf::lock_wait $string	512	=item cf::lock_wait $string
232		513
233	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
234		515
235	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
236		517
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
240	returned.	521	returned.
241		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
242	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
243	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
244		528
245	=cut	529	=item $locked = cf::lock_active $string
246		530
247	our %LOCK;	531	Return true if the lock is currently active, i.e. somebody has locked it.
		532
		533	=cut
		534
		535	our $LOCKS = new Coro::SemaphoreSet;
248		536
249	sub lock_wait($) {	537	sub lock_wait($) {
250	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	539	}
258		540
259	sub lock_acquire($) {	541	sub lock_acquire($) {
260	my ($key) = @_;	542	$LOCKS->guard ($_[0])
		543	}
261		544
262	# wait, to be sure we are not locked	545	sub lock_active($) {
263	lock_wait $key;	546	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	547	}
272		548
273	sub freeze_mainloop {	549	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
275		551
276	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	553	}
278	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
279	};	622	}
280	$WRITE_RUNTIME_WATCHER->stop;	623	};
281	$TICK_WATCHER->stop;	624
282	$guard	625	sub get_slot($;$$) {
		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	$sig->wait;
283	}	638	}
284		639
285	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
286		641
287	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		647
293	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
294		649
295	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
296		651
297	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
300		656
301	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
304	fast or be very important.	660	fast or be very important.
…		…
306	=cut	662	=cut
307		663
308	sub sync_job(&) {	664	sub sync_job(&) {
309	my ($job) = @_;	665	my ($job) = @_;
310		666
311	if ($Coro::current == $Coro::main) {	667	if (in_main) {
		668	my $time = AE::time;
		669
312	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
314		672
315	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	674
317	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
318		676
319	my $busy = 1;	677	my $busy = 1;
320	my @res;	678	my @res;
321		679
322	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	682	@res = eval { $job->() };
324	warn $@ if $@;	683	error $@ if $@;
325	undef $busy;	684	undef $busy;
326	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
327		686
328	while ($busy) {	687	while ($busy) {
329	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
330	}	692	}
		693	}
		694
		695	my $time = AE::time - $time;
		696
		697	$TICK_START += $time; # do not account sync jobs to server load
331		698
332	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
333	} else {	700	} else {
334	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
335		702
…		…
355	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
356		723
357	$coro	724	$coro
358	}	725	}
359		726
360	sub write_runtime {	727	=item fork_call { }, @args
361	my $runtime = cf::localdir . "/runtime";
362		728
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	Executes the given code block with the given arguments in a seperate
364	or return;	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.
365		733
366	my $value = $cf::RUNTIME + 90 + 10;	734	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		735
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	736	sub post_fork {
371	and return;	737	reset_signals;
		738	}
372		739
373	# always fsync - this file is important	740	sub fork_call(&@) {
374	aio_fsync $fh	741	my ($cb, @args) = @_;
375	and return;
376		742
377	close $fh	743	# we seemingly have to make a local copy of the whole thing,
378	or return;	744	# otherwise perl prematurely frees the stuff :/
		745	# TODO: investigate and fix (likely this will be rather laborious)
379		746
380	aio_rename "$runtime~", $runtime	747	my @res = Coro::Util::fork_eval {
381	and return;	748	cf::post_fork;
		749	&$cb
		750	} @args;
382		751
		752	wantarray ? @res : $res[-1]
		753	}
		754
		755	sub objinfo {
383	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"
		919	}
		920
		921	=item cf::datalog type => key => value, ...
		922
		923	Log a datalog packet of the given type with the given key-value pairs.
		924
		925	=cut
		926
		927	sub datalog($@) {
		928	my ($type, %kv) = @_;
		929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	930	}
385		931
386	=back	932	=back
387		933
388	=cut	934	=cut
389		935
390	#############################################################################	936	#############################################################################
391		937
392	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
393		939
394	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
395	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")
396	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
397		943
398	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>
399	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
400	crossfire+).	946	Deliantra).
401		947
402	=over 4	948	=over 4
403		949
404	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
405		951
…		…
449	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
450		996
451	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
453		999
454	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		1002
457	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
458		1004
459	=over 4	1005	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1114	$registry = $CB_TYPE[$object_type] ||= [];
569		1115
570	} elsif ($type eq "subtype") {	1116	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1117	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1118	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1119	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1120
575	} elsif ($type eq "package") {	1121	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1122	my $pkg = shift @arg;
577		1123
578	while (my ($name, $id) = each %cb_id) {	1124	while (my ($name, $id) = each %cb_id) {
…		…
583		1129
584	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1132
587	} elsif (ref $type) {	1133	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
589		1135
590	} else {	1136	} else {
591	shift @arg;	1137	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
593	}	1139	}
594	}	1140	}
595	}	1141	}
596		1142
597	sub _object_attach {	1143	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
608	}	1154	}
609		1155
610	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
611	} else {	1157	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1159	}
614		1160
615	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
616	}	1162	}
617		1163
…		…
619	if (ref $_[0]) {	1165	if (ref $_[0]) {
620	_object_attach @_;	1166	_object_attach @_;
621	} else {	1167	} else {
622	_attach shift->_attach_registry, @_;	1168	_attach shift->_attach_registry, @_;
623	}	1169	}
		1170	_recalc_want;
624	};	1171	};
625		1172
626	# all those should be optimised	1173	# all those should be optimised
627	sub cf::attachable::detach {	1174	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1175	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1178	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1179	reattach ($obj);
633	} else {	1180	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1181	Carp::croak "cannot, currently, detach class attachments";
635	}	1182	}
		1183	_recalc_want;
636	};	1184	};
637		1185
638	sub cf::attachable::attached {	1186	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
640		1188
…		…
655	";	1203	";
656	die if $@;	1204	die if $@;
657	}	1205	}
658		1206
659	our $override;	1207	our $override;
660	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?
661		1209
662	sub override {	1210	sub override {
663	$override = 1;	1211	$override = 1;
664	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
665	}	1213	}
666		1214
667	sub do_invoke {	1215	sub do_invoke {
668	my $event = shift;	1216	my $event = shift;
669	my $callbacks = shift;	1217	my $callbacks = shift;
670		1218
671	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
672		1220
673	local $override;	1221	local $override;
674		1222
675	for (@$callbacks) {	1223	for (@$callbacks) {
676	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
677		1225
678	if ($@) {	1226	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1228	override;
682	}	1229	}
683		1230
684	return 1 if $override;	1231	return 1 if $override;
685	}	1232	}
686		1233
687	0	1234	0
688	}	1235	}
689		1236
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1238
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1240
694	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
695		1242
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1246
700	=back	1247	=back
701		1248
702	=cut	1249	=cut
703		1250
704	#############################################################################	1251	#############################################################################
705	# 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, $ob2
		1294	}
706		1295
707	sub reattach {	1296	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1298	my ($obj) = @_;
710		1299
		1300	# no longer needed after getting rid of delete_package?
711	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
712		1302
713	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
714		1304
715	@$registry = ();	1305	@$registry = ();
716		1306
…		…
721	for (@$attach) {	1311	for (@$attach) {
722	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
724	}	1314	}
725	} else {	1315	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1317	}
728	}	1318	}
729	}	1319	}
730		1320
731	cf::attachable->attach (	1321	cf::attachable->attach (
732	prio => -1000000,	1322	prio => -1000000,
733	on_instantiate => sub {	1323	on_instantiate => sub {
734	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
735		1325
736	$data = from_json $data;	1326	$data = decode_json $data;
737		1327
738	for (@$data) {	1328	for (@$data) {
739	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
740		1330
741	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1347	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
759		1349
760	sync_job {	1350	sync_job {
761	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
764		1356
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1364	aio_close $fh;
770		1365
771	if (@$objs) {	1366	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1375	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
779	}	1377	}
780	} else {	1378	} else {
781	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
782	}	1380	}
783		1381
784	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1386	} else {
786	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
787	}	1388	}
788	} else {	1389	} else {
789	aio_unlink $filename;	1390	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
791	}	1392	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1393	};
799	}	1394	}
800		1395
801	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
803		1398
…		…
808		1403
809	sub object_thawer_load {	1404	sub object_thawer_load {
810	my ($filename) = @_;	1405	my ($filename) = @_;
811		1406
812	my ($data, $av);	1407	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1408
817	(aio_load $filename, $data) >= 0	1409	(aio_load $filename, $data) >= 0
818	or return;	1410	or return;
819		1411
820	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
822	or return;	1414	or return;
		1415
823	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
824	}	1418	}
825		1419
		1420	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
828	return ($data, $av);	1425	($data, $av)
829	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
830		1433
831	#############################################################################	1434	#############################################################################
832	# command handling &c	1435	# command handling &c
833		1436
834	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
835		1438
836	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
837	$name.	1440	$name.
838		1441
839	=cut	1442	=cut
…		…
845	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
846		1449
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1451	}
849		1452
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
851		1454
852	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.
853		1460
854	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
855	called.
856		1462
857	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
858		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$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
859	sub register_extcmd {	1485	sub register_extcmd($$) {
860	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
861		1487
862	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
863	}	1489	}
864		1490
		1491	sub register_async_extcmd($$) {
		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} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
865	cf::player->attach (	1511	cf::player->attach (
866	on_command => sub {	1512	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
868		1514
869	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
870	or return;	1516	or return;
871		1517
…		…
876	cf::override;	1522	cf::override;
877	},	1523	},
878	on_extcmd => sub {	1524	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
880		1526
881	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1528
883	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
886	$pl->ext_reply ($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);
887	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
888	}	1550	}
		1551
889	} else {	1552	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1554	}
892		1555
893	cf::override;	1556	cf::override;
894	},	1557	},
895	);	1558	);
896		1559
		1560	# "readahead" all extensions
897	sub load_extension {	1561	sub cache_extensions {
898	my ($path) = @_;	1562	my $grp = IO::AIO::aio_group;
899		1563
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1565	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1567	}
925	die $@;
926	}	1568	};
927		1569
928	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;
929	}	1582	}
930		1583
931	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
		1589	cf::sync_job {
		1590	my %todo;
		1591
932	for my $ext (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1593	next unless -r $path;
934	eval {	1594
935	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 $active;
		1666	}
936	1	1667	}
937	} or warn "$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	}
938	}	1680	};
939	}	1681	}
940		1682
941	#############################################################################	1683	#############################################################################
942		1684
		1685	=back
		1686
943	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
944		1688
945	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
946		1690
947	=cut	1691	=cut
948		1692
949	package cf::player;	1693	package cf::player;
950		1694
…		…
952		1696
953	=head3 cf::player	1697	=head3 cf::player
954		1698
955	=over 4	1699	=over 4
956		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
957	=item cf::player::find $login	1715	=item cf::player::find $login
958		1716
959	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
960		1718
961	=cut	1719	=cut
962		1720
963	sub playerdir($) {	1721	sub playerdir($) {
964	cf::localdir	1722	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1723	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1724	}
970		1725
971	sub path($) {	1726	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1727	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1728
974	(playerdir $login) . "/$login.pl"	1729	(playerdir $login) . "/playerdata"
975	}	1730	}
976		1731
977	sub find_active($) {	1732	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1733	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1734	and $cf::PLAYER{$_[0]}->active
…		…
982		1737
983	sub exists($) {	1738	sub exists($) {
984	my ($login) = @_;	1739	my ($login) = @_;
985		1740
986	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
988	}	1743	}
989		1744
990	sub find($) {	1745	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1747	my $login = $_[0];
993		1748
994	my $guard = cf::lock_acquire "user_find:$login";	1749	my $guard = cf::lock_acquire "user_find:$login";
995		1750
996	$cf::PLAYER{$_[0]} || do {	1751	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1752	# rename old playerfiles to new ones
		1753	#TODO: remove when no longer required
		1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1757	aio_unlink +(playerdir $login) . "/$login.pl";
		1758
		1759	my $f = new_from_file cf::object::thawer path $login
998	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;
999	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1000	}	1768	}
1001	}	1769	}
1002	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($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	);
1003		1784
1004	sub save($) {	1785	sub save($) {
1005	my ($pl) = @_;	1786	my ($pl) = @_;
1006		1787
1007	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1013		1794
1014	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1016		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
1017	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1018	Coro::cede;	1804	cf::cede_to_tick;
1019	}	1805	}
1020		1806
1021	sub new($) {	1807	sub new($) {
1022	my ($login) = @_;	1808	my ($login) = @_;
1023		1809
…		…
1029	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1030		1816
1031	$self	1817	$self
1032	}	1818	}
1033		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
1034	=item $pl->quit_character	1830	=item $pl->quit_character
1035		1831
1036	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1038		1834
1039	=cut	1835	=cut
1040		1836
1041	sub quit_character {	1837	sub quit_character {
1042	my ($pl) = @_;	1838	my ($pl) = @_;
1043		1839
		1840	my $name = $pl->ob->name;
		1841
1044	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1045	$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
1046		1844
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1050	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1051		1853
1052	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1857	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1858	$pl->destroy;
		1859
		1860	my $prefix = qr<^~\Q$name\E/>;
		1861
		1862	# nuke player maps
		1863	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1864
1057	IO::AIO::aio_rmtree $temp;	1865	IO::AIO::aio_rmtree $temp;
		1866	}
		1867
		1868	=item $pl->kick
		1869
		1870	Kicks a player out of the game. This destroys the connection.
		1871
		1872	=cut
		1873
		1874	sub kick {
		1875	my ($pl, $kicker) = @_;
		1876
		1877	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1878	$pl->killer ("kicked");
		1879	$pl->ns->destroy;
1058	}	1880	}
1059		1881
1060	=item cf::player::list_logins	1882	=item cf::player::list_logins
1061		1883
1062	Returns am arrayref of all valid playernames in the system, can take a	1884	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1885	while and may block, so not sync_job-capable, ever.
1064		1886
1065	=cut	1887	=cut
1066		1888
1067	sub list_logins {	1889	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1890	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1891	or return [];
1070		1892
1071	my @logins;	1893	my @logins;
1072		1894
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1077		1905
1078	utf8::decode $login;	1906	utf8::decode $login;
1079	push @logins, $login;	1907	push @logins, $login;
1080	}	1908	}
1081		1909
1082	\@logins	1910	\@logins
1083	}	1911	}
1084		1912
1085	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1086		1916
1087	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1088	player. May block.	1918	player. May block.
1089		1919
1090	=cut	1920	=cut
…		…
1108	}	1938	}
1109		1939
1110	\@paths	1940	\@paths
1111	}	1941	}
1112		1942
		1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1944
		1945	Expand deliantra pod fragments into protocol xml.
		1946
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1947	=item $player->ext_msg ($type, @msg)
1114		1948
1115	Sends an ext reply to the player.	1949	Sends an ext event to the client.
1116		1950
1117	=cut	1951	=cut
1118		1952
1119	sub ext_reply($$$%) {	1953	sub ext_msg($$@) {
1120	my ($self, $id, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1121		1955
1122	$msg{msgid} = $id;	1956	$self->ns->ext_msg ($type, @msg);
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1957	}
1126		1958
1127	package cf;	1959	=head3 cf::region
		1960
		1961	=over 4
		1962
		1963	=cut
		1964
		1965	package cf::region;
		1966
		1967	=item cf::region::find_by_path $path
		1968
		1969	Tries to decuce the likely region for a map knowing only its path.
		1970
		1971	=cut
		1972
		1973	sub find_by_path($) {
		1974	my ($path) = @_;
		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
		1978	my ($match, $specificity);
		1979
		1980	for my $region (list) {
		1981	if ($region->{match} && $path =~ $region->{match}) {
		1982	($match, $specificity) = ($region, $region->specificity)
		1983	if $region->specificity > $specificity;
		1984	}
		1985	}
		1986
		1987	$match
		1988	}
1128		1989
1129	=back	1990	=back
1130
1131		1991
1132	=head3 cf::map	1992	=head3 cf::map
1133		1993
1134	=over 4	1994	=over 4
1135		1995
…		…
1147	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1149		2009
1150	sub generate_random_map {	2010	sub generate_random_map {
1151	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1152	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1153	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164	(cf::region::find $rmp->{region}), $rmp->{custom}
1165	)
1166	}	2016	}
1167		2017
1168	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1169		2019
1170	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
…		…
1175		2025
1176	sub register {	2026	sub register {
1177	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	2028	my $pkg = caller;
1179		2029
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		2031
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	2033	}
1185		2034
1186	# also paths starting with '/'	2035	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		2037
1189	sub thawer_merge {	2038	sub thawer_merge {
1190	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1191		2040
1192	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
1193	local $self->{path};	2042	local $self->{path};
1194	local $self->{load_path};	2043	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		2044
1198	$self->SUPER::thawer_merge ($merge);	2045	$self->SUPER::thawer_merge ($merge);
1199	}	2046	}
1200		2047
1201	sub normalise {	2048	sub normalise {
1202	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1203		2050
1204	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1205		2052
1206	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1207		2054
1208	# map plan:	2055	# map plan:
1209	#	2056	#
…		…
1224	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	2072	$path = "$base/$path";
1226	}	2073	}
1227		2074
1228	for ($path) {	2075	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1232	}	2078	}
1233		2079
1234	$path	2080	$path
…		…
1248	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1249	return $self;	2095	return $self;
1250	}	2096	}
1251	}	2097	}
1252		2098
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	2100	()
1255	}	2101	}
1256		2102
		2103	# may re-bless or do other evil things
1257	sub init {	2104	sub init {
1258	my ($self) = @_;	2105	my ($self) = @_;
1259		2106
1260	$self	2107	$self
1261	}	2108	}
…		…
1273		2120
1274	# the original (read-only) location	2121	# the original (read-only) location
1275	sub load_path {	2122	sub load_path {
1276	my ($self) = @_;	2123	my ($self) = @_;
1277		2124
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2125	"$MAPDIR/$self->{path}.map"
1279	}	2126	}
1280		2127
1281	# the temporary/swap location	2128	# the temporary/swap location
1282	sub save_path {	2129	sub save_path {
1283	my ($self) = @_;	2130	my ($self) = @_;
1284		2131
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2133	"$TMPDIR/$path.map"
1287	}	2134	}
1288		2135
1289	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1290	sub uniq_path {	2137	sub uniq_path {
1291	my ($self) = @_;	2138	my ($self) = @_;
1292		2139
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2141	"$UNIQUEDIR/$path"
1295	}	2142	}
1296		2143
1297	# and all this just because we cannot iterate over	2144	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2145	my ($self) = @_;
1301		2146
1302	$_->change_map_light ($change)	2147	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2148
		2149	$self->do_decay_objects;
1304	}	2150	}
1305		2151
1306	sub unlink_save {	2152	sub unlink_save {
1307	my ($self) = @_;	2153	my ($self) = @_;
1308		2154
1309	utf8::encode (my $save = $self->save_path);	2155	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2156	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2157	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	2158	}
1318		2159
1319	sub load_header_from($) {	2160	sub load_header_from($) {
1320	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1321		2162
1322	utf8::encode $path;	2163	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2165	or return;
1328		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1329	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1330		2174
1331	1	2175	1
1332	}	2176	}
1333		2177
		2178	# used to laod the header of an original map
1334	sub load_header_orig {	2179	sub load_header_orig {
1335	my ($self) = @_;	2180	my ($self) = @_;
1336		2181
1337	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1338	}	2183	}
1339		2184
		2185	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2186	sub load_header_temp {
1341	my ($self) = @_;	2187	my ($self) = @_;
1342		2188
1343	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1344	}	2190	}
1345		2191
		2192	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2193	sub prepare_temp {
1347	my ($self) = @_;	2194	my ($self) = @_;
1348		2195
1349	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1351	# safety	2198	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2201	}
1355		2202
		2203	# called after loading the header from an original map
1356	sub prepare_orig {	2204	sub prepare_orig {
1357	my ($self) = @_;	2205	my ($self) = @_;
1358		2206
1359	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2219	$self->load_header_orig
1372	or return;	2220	or return;
1373	$self->prepare_orig;	2221	$self->prepare_orig;
1374	}	2222	}
1375		2223
		2224	$self->{deny_reset} = 1
		2225	if $self->no_reset;
		2226
		2227	$self->default_region (cf::region::find_by_path $self->{path})
		2228	unless $self->default_region;
		2229
1376	1	2230	1
1377	}	2231	}
1378		2232
1379	sub find;	2233	sub find;
1380	sub find {	2234	sub find {
1381	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1382		2236
		2237	cf::cede_to_tick;
		2238
1383	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1384		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2243
1387	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1390	or return;	2246	or return;
1391		2247
1392	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1393		2249
1394	$map->load_header	2250	$map->load_header
1395	or return;	2251	or return;
1396		2252
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1400	$map->reset;	2258	$map->reset;
1401	undef $guard;
1402	return find $path;	2259	return find $path;
1403	}	2260	}
1404		2261
1405	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1406	}	2263	}
1407	}	2264	}
1408		2265
1409	sub pre_load { }	2266	sub pre_load { }
1410	sub post_load { }	2267	#sub post_load { } # XS
1411		2268
1412	sub load {	2269	sub load {
1413	my ($self) = @_;	2270	my ($self) = @_;
1414		2271
1415	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1416		2273
1417	my $path = $self->{path};	2274	my $path = $self->{path};
		2275
		2276	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1419		2278
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2279	return unless $self->valid;
		2280	return unless $self->state == cf::MAP_SWAPPED;
1421		2281
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2282	$self->alloc;
1425		2283
1426	$self->pre_load;	2284	$self->pre_load;
		2285	cf::cede_to_tick;
1427		2286
1428	$self->_load_objects ($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)
1429	or return;	2291	or return;
1430		2292
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1432	if delete $self->{load_original};	2294	if delete $self->{load_original};
1433		2295
1434	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2297	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2300	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1439	}	2305	}
1440	}
1441		2306
1442	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
1443		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1444	# now do the right thing for maps	2316	# now do the right thing for maps
1445	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2319	unless $self->difficulty;
1455	Coro::cede;	2320	cf::cede_to_tick;
1456	$self->activate;	2321
		2322	unless ($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);
1457	}	2332	}
1458		2333
1459	$self->post_load;	2334	$self->post_load;
1460		2335
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2336	1
1462	}	2337	}
1463		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2342	sub customise_for {
1465	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1466		2344
1467	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2346	if $self->per_player;
1469		2347
		2348	# return find "?party/" . $ob->name . "/" . $self->{path}
		2349	# if $self->per_party;
		2350
1470	$self	2351	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($map) = @_;
1476
1477	my @diag; # diagonal neighbours
1478
1479	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)
1481	or next;
1482	$neigh = find $neigh, $map
1483	or next;
1484	$neigh->load;
1485
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}
1489
1490	for (@diag) {
1491	my $neigh = find @$_
1492	or next;
1493	$neigh->load;
1494	}
1495	}	2352	}
1496		2353
1497	sub find_sync {	2354	sub find_sync {
1498	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1499		2356
1500	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, $origin
1501	}	2362	}
1502		2363
1503	sub do_load_sync {	2364	sub do_load_sync {
1504	my ($map) = @_;	2365	my ($map) = @_;
1505		2366
1506	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;
1507	}	2372	}
1508		2373
1509	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1511		2376
1512	sub find_async {	2377	sub find_async {
1513	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1514		2379
1515	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1516		2381
1517	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1519	}	2384	}
1520		2385
1521	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1522	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1523	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2393	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2394	$map->load if $v;
		2395	}
1528		2396
1529	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1530	}	2398	}
1531	}	2399	}
1532	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1533	};	2401	};
1534	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1535		2403
1536	()	2404	()
1537	}	2405	}
1538		2406
		2407	# common code, used by both ->save and ->swapout
1539	sub save {	2408	sub _save {
1540	my ($self) = @_;	2409	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2410
1544	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1545		2412
1546	return unless $self->dirty;	2413	return unless $self->dirty;
1547		2414
…		…
1553	return if $self->{deny_save};	2420	return if $self->{deny_save};
1554		2421
1555	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1556		2423
1557	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1559	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1560		2430
1561	if ($uniq) {	2431	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2434	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2436	}
1567	}	2437	}
1568		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1569	sub swap_out {	2447	sub swap_out {
1570	my ($self) = @_;	2448	my ($self) = @_;
1571		2449
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1577	return if $self->players;	2454	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		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
1581	$self->clear;	2465	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2466	}
1584		2467
1585	sub reset_at {	2468	sub reset_at {
1586	my ($self) = @_;	2469	my ($self) = @_;
1587		2470
1588	# TODO: safety, remove and allow resettable per-player maps	2471	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2472	return 1e99 if $self->{deny_reset};
1591		2473
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2476
…		…
1605	my ($self) = @_;	2487	my ($self) = @_;
1606		2488
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2490
1609	return if $self->players;	2491	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2492
1612	warn "resetting map ", $self->path;#d#	2493	cf::trace "resetting map ", $self->path, "\n";
1613		2494
1614	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1615		2496
1616	# need to save uniques path	2497	# need to save uniques path
1617	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2500
…		…
1621	if $uniq;	2502	if $uniq;
1622	}	2503	}
1623		2504
1624	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1625		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2509	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2510
1630	$self->unlink_save;	2511	$self->unlink_save;
1631	$self->destroy;	2512	$self->destroy;
1632	}	2513	}
1633		2514
1634	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1635		2516
1636	sub nuke {	2517	sub nuke {
1637	my ($self) = @_;	2518	my ($self) = @_;
1638		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1639	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1640		2524
1641	$self->unlink_save;	2525	$self->unlink_save;
1642		2526
1643	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2532
1649	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1650		2535
1651	$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	]
1652	}	2573	}
1653		2574
1654	=item cf::map::unique_maps	2575	=item cf::map::unique_maps
1655		2576
1656	Returns an arrayref of paths of all shared maps that have	2577	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2578	instantiated unique items. May block.
1658		2579
1659	=cut	2580	=cut
1660		2581
1661	sub unique_maps() {	2582	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2583	[
1663	or return;	2584	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2585	utf8::decode $_;
1669	next if /\.pst$/;	2586	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2588	? ()
1672	push @paths, cf::map::normalise $_;	2589	: normalise $_
		2590	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2591	]
1674
1675	\@paths
1676	}	2592	}
1677		2593
1678	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	}
1679		2625
1680	=back	2626	=back
1681		2627
1682	=head3 cf::object	2628	=head3 cf::object
1683		2629
…		…
1687		2633
1688	=over 4	2634	=over 4
1689		2635
1690	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1691		2637
1692	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.
1693		2640
1694	=cut	2641	=cut
1695		2642
1696	sub inv_recursive_;	2643	sub inv_recursive_;
1697	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1700		2647
1701	sub inv_recursive {	2648	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1703	}	2650	}
1704		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
1705	package cf;	2680	package cf;
1706		2681
1707	=back	2682	=back
1708		2683
1709	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1718		2693
1719	=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	};
1720		2709
1721	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2711	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1726		2715
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2717
1729	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1734	}	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 (@_);
1735	}	2743	}
1736		2744
1737	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1738		2746
1739	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1752		2760
1753	=item $player_object->enter_link	2761	=item $player_object->enter_link
1754		2762
1755	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}>).
1756		2764
1757	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.
1758	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.
1759		2769
1760	Will never block.	2770	Will never block.
1761		2771
1762	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1763		2773
…		…
1783	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2794	my ($self) = @_;
1785		2795
1786	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1787		2797
		2798	++$self->{_link_recursion};
		2799
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2801
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2803	if $self->map && $self->map->{path} ne "{link}";
1792		2804
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2806	}
1795		2807
1796	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
		2810
		2811	return unless $self->contr->active;
1798		2812
1799	my $link_pos = delete $self->{_link_pos};	2813	my $link_pos = delete $self->{_link_pos};
1800		2814
1801	unless ($map) {	2815	unless ($map) {
1802	# restore original map position	2816	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
1815		2829
1816	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
1819		2833
1820	$map->load;	2834	$map->load;
1821	$map->load_diag;
1822		2835
1823	return unless $self->contr->active;	2836	return unless $self->contr->active;
		2837
		2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2839	if ($self->enter_map ($map, $x, $y)) {
		2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2843	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2844	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2845
1842	# try to abort aborted map switching on player login :)	2846	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2847
1860	=item $player_object->goto ($path, $x, $y)	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		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
1862	=cut	2859	=cut
		2860
		2861	our $GOTOGEN;
1863		2862
1864	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
1865	my ($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;
1866		2874
1867	$self->enter_link;	2875	$self->enter_link;
1868		2876
1869	(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
1870	my $map = eval {	2899	my $map = eval {
1871	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2901
		2902	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2915	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2916
		2917	if ($gen == $self->{_goto_generation}) {
		2918	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
		2920	}
		2921
		2922	$done->($self) if $done;
1878	})->prio (1);	2923	})->prio (1);
1879	}	2924	}
1880		2925
1881	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
1882		2927
…		…
1902	}	2947	}
1903		2948
1904	sub prepare_random_map {	2949	sub prepare_random_map {
1905	my ($exit) = @_;	2950	my ($exit) = @_;
1906		2951
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2954	# that depends on the exit object
1912		2955
1913	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2958	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
1920	}	2965	}
1921		2966
1922	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
1923		2968
1924	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
1927		2972
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2975	undef $fh;
1931	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
1932		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
1935	}	2984	}
1936	}	2985	}
1937		2986
1938	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
1940		2989
1941	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
1942		2991
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2992	$self->enter_link;
1953		2993
1954	(async {	2994	(async {
1955	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
1956	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
1957	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
1958		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
1959	1;	3033	1
1960	}) {	3034	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
1965		3039
1966	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	3041	$self->leave_link;
1968	}	3042	}
1969	})->prio (1);	3043	})->prio (1);
1970	}	3044	}
1971		3045
…		…
1982		3056
1983	sub cf::client::send_drawinfo {	3057	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	3058	my ($self, $text, $flags) = @_;
1985		3059
1986	utf8::encode $text;	3060	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	3062	}
1989		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
		3251	=item $client->ext_msg ($type, @msg)
		3252
		3253	Sends an ext event to the client.
		3254
		3255	=cut
		3256
		3257	sub cf::client::ext_msg($$@) {
		3258	my ($self, $type, @msg) = @_;
		3259
		3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3261	}
1990		3262
1991	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
1992		3264
1993	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		3268
1997	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
1998	reliable at some point in the future.	3270	become reliable at some point in the future.
1999		3271
2000	=cut	3272	=cut
2001		3273
2002	sub cf::client::query {	3274	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3283	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3285
2014	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2016	}	3290	}
2017		3291
2018	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	},
2019	on_reply => sub {	3298	on_reply => sub {
2020	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2021		3300
2022	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2023	# get handled first	3302	# get handled first
…		…
2035	} else {	3314	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3316	}
2038	}	3317	}
2039	},	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	},
2040	);	3352	);
2041		3353
2042	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2043		3355
2044	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3372
2061	$coro	3373	$coro
2062	}	3374	}
2063		3375
2064	cf::client->attach (	3376	cf::client->attach (
2065	on_destroy => sub {	3377	on_client_destroy => sub {
2066	my ($ns) = @_;	3378	my ($ns) = @_;
2067		3379
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3381	},
2070	);	3382	);
…		…
2085	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2087		3399
2088	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2089		3401
2090	$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	));
2091		3407
2092	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2093		3409
2094	=pod	3410	=pod
2095		3411
2096	The following fucntions and emthods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2097		3413
2098	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
2099	cf::object::player player	3419	cf::object::player
2100	cf::player peaceful	3420	player
2101	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2102		3427
2103	=cut	3428	=cut
2104		3429
2105	for (	3430	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2110	) {	3437	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3440	for @funs;
2115	}	3441	}
2116		3442
…		…
2131		3457
2132	my $qcode = $code;	3458	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2135		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2136	local $_;	3465	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3466
2139	my $eval =	3467	my $eval =
2140	"do {\n"	3468	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3471	. $code
2144	. "\n}"	3472	. "\n}"
2145	;	3473	;
2146		3474
		3475	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	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	}
2150		3484
2151	if ($@) {	3485	if ($@) {
2152	warn "$@";	3486	warn "$@",
2153	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2155	}	3489	}
2156		3490
2157	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2158	}	3492	}
2159		3493
…		…
2173	=cut	3507	=cut
2174		3508
2175	sub register_script_function {	3509	sub register_script_function {
2176	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2177		3511
2178	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2180	}	3514	}
2181		3515
2182	=back	3516	=back
2183		3517
2184	=cut	3518	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3519
2258	#############################################################################	3520	#############################################################################
2259	# the server's init and main functions	3521	# the server's init and main functions
2260		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
		3547	sub load_facedata($) {
		3548	my ($path) = @_;
		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
		3556	trace "loading facedata from $path\n";
		3557
		3558	my $facedata = decode_storable load_file $path;
		3559
		3560	$facedata->{version} == 2
		3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3562
		3563	cf::cede_to_tick;
		3564
		3565	{
		3566	my $faces = delete $facedata->{faceinfo};
		3567
		3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
		3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
		3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
		3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
		3580	}
		3581
		3582	while (my ($face, $info) = each %$faces) {
		3583	next unless $info->{smooth};
		3584
		3585	my $idx = cf::face::find $face
		3586	or next;
		3587
		3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
		3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3591	} else {
		3592	error "smooth face '$info->{smooth}' not found for face '$face'";
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	{
		3600	my $anims = delete $facedata->{animinfo};
		3601
		3602	while (my ($anim, $info) = each %$anims) {
		3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3604	cf::cede_to_tick;
		3605	}
		3606
		3607	cf::anim::invalidate_all; # d'oh
		3608	}
		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
		3632	1
		3633	}
		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
2261	sub load_resources {	3643	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2263	or die "unable to load regions file\n";#d#	3672	or die "unable to load regions file\n";
2264	}
2265		3673
2266	sub cfg_load {	3674	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3675	$_->{match} = qr/$_->{match}/
2268	or return;	3676	if exists $_->{match};
		3677	}
		3678	}
2269		3679
2270	local $/;	3680	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3681	load_facedata "$DATADIR/facedata"
		3682	or die "unable to load facedata\n";
		3683	}
2272		3684
		3685	sub reload_archetypes {
		3686	load_resource_file "$DATADIR/archetypes"
		3687	or die "unable to load archetypes\n";
		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
		3699	sub reload_treasures {
		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	}
		3722	}
		3723
		3724	sub reload_resources {
		3725	trace "reloading resource files...\n";
		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
		3732	reload_regions;
		3733	reload_treasures;
		3734
		3735	trace "finished reloading resource files\n";
		3736	}
		3737
		3738	sub reload_config {
		3739	trace "reloading config file...\n";
		3740
		3741	my $config = load_file "$CONFDIR/config";
		3742	utf8::decode $config;
		3743	*CFG = decode_yaml $config;
		3744
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3746
2275	$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};
2276	$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};
2277		3749
2278	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2282	};	3754	};
2283	warn $@ if $@;	3755	warn $@ if $@;
2284	}	3756	}
2285	}	3757	}
2286		3758
2287	sub init {	3759	sub pidfile() {
2288	load_resources;	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;
2289	}	3785	}
2290		3786
2291	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
2292	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2294	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#
2295	(async {	3800	(async {
2296	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2298	};	3804	};
2299		3805
2300	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2301	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
2302	load_extensions;	3830	load_extensions;
2303		3831
2304	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2305	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;
2306	}	3849	}
2307		3850
2308	#############################################################################	3851	#############################################################################
2309	# initialisation and cleanup	3852	# initialisation and cleanup
2310		3853
2311	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2312	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2321	},
2322	);	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
2323	}	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 };
2324	}	3950	}
2325		3951
2326	sub emergency_save() {	3952	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2328		3954
2329	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;
2330		3961
2331	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2332	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3973	$pl->save;
2340	}	3974	}
2341	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2342		3976
2343	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";
2344	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3982	$map->valid or next;
2347	$map->save;	3983	$map->save;
2348	}	3984	}
2349	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2350		3986
2351	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";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2353	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
2354	};	4015	};
2355		4016
2356	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2357	}	4018	}
2358		4019
2359	sub post_cleanup {	4020	sub post_cleanup {
2360	my ($make_core) = @_;	4021	my ($make_core) = @_;
2361		4022
		4023	IO::AIO::flush;
		4024
2362	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	4026	if $make_core;
2364	}
2365		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
2366	sub reload() {	4057	sub do_reload_perl() {
2367	# can/must only be called in main	4058	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2369	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2370	return;	4061	return;
2371	}	4062	}
2372		4063
2373	warn "reloading...";	4064	return if $RELOAD++;
2374		4065
2375	warn "entering sync_job";	4066	my $t1 = AE::time;
2376		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2377	sync_job {	4074	cf::sync_job {
2378	write_runtime;
2379	cf::emergency_save;	4075	#cf::emergency_save;
2380	write_runtime;
2381		4076
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	4079	%EXT_CORO = ();
2404		4080
2405	warn "removing commands";	4081	trace "perl_reload: removing commands";
2406	%COMMAND = ();	4082	%COMMAND = ();
2407		4083
2408	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2409	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2410		4087
2411	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2414		4091
2415	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2416	eval {	4093	eval {
2417	$cb->($pkg);	4094	$cb->($pkg);
2418	1	4095	1
2419	} 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;
2420	}	4101	}
2421		4102
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		4106
2430	warn "... unloading $k";	4107	trace "... unloading $k";
2431	delete $INC{$k};	4108	delete $INC{$k};
2432		4109
2433	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2435		4112
2436	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2438	}	4118	}
2439		4119
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2445	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);
2446		4123
2447	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
		4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		4127
2450	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2451	# and global variables created in xs	4129	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2453		4131
2454	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2455		4133
2456	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2457	require cf;	4135	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2459		4137
2460	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2461	cf::cfg_load;	4139	cf::reload_config;
2462		4140
2463	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2464	cf::load_extensions;	4142	cf::load_extensions;
2465		4143
		4144	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2467	_global_reattach;	4146	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2469	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
		4149	trace "perl_reload: reattaching attachments to players";
		4150	reattach $_ for values %PLAYER;
		4151	}
2470		4152
2471	warn "loading reloadable resources";	4153	cf::_post_init 1;
2472	load_resources;
2473		4154
2474	warn "leaving sync_job";	4155	trace "perl_reload: leaving sync_job";
2475		4156
2476	1	4157	1
2477	} or do {	4158	} or do {
2478	warn $@;	4159	error $@;
2479	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2480	exit 1;	4161	};
		4162
		4163	--$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	};
2481	};	4183	};
2482		4184	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4185
2488	register_command "reload" => sub {	4186	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2490		4188
2491	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
2493		4191	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4192	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4193	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4194	};
2506	}	4195	}
2507	};	4196	};
2508		4197
2509	unshift @INC, $LIBDIR;	4198	#############################################################################
2510		4199
2511	my $bug_warning = 0;	4200	my $bug_warning = 0;
2512		4201
2513	$TICK_WATCHER = Event->timer (	4202	sub wait_for_tick() {
2514	reentrant => 0,	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2515	parked => 1,	4204
2516	prio => 0,	4205	$WAIT_FOR_TICK->wait;
2517	at => $NEXT_TICK || $TICK,	4206	}
2518	data => WF_AUTOCANCEL,	4207
2519	cb => sub {	4208	sub wait_for_tick_begin() {
		4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4210
		4211	my $signal = new Coro::Signal;
		4212	push @WAIT_FOR_TICK_BEGIN, $signal;
		4213	$signal->wait;
		4214	}
		4215
		4216	sub tick {
2520	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2523	return;	4220	return;
		4221	}
		4222
		4223	cf::one_tick; # one server iteration
		4224
		4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4226
		4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4229	Coro::async_pool {
		4230	$Coro::current->{desc} = "runtime saver";
		4231	write_runtime_sync
		4232	or error "ERROR: unable to write runtime file: $!";
2524	}	4233	};
		4234	}
2525		4235
2526	$NOW = Event::time;	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2527		4237	$sig->send;
2528	cf::server_tick; # one server iteration	4238	}
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531
2532	$WAIT_FOR_TICK->broadcast;	4239	$WAIT_FOR_TICK->broadcast;
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2534		4240
2535	# my $AFTER = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
2536	# warn $AFTER - $NOW;#d#	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2537		4243
2538	# if we are delayed by four ticks or more, skip them all	4244	if (0) {
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4245	if ($NEXT_TICK) {
2540		4246	my $jitter = $TICK_START - $NEXT_TICK;
2541	$TICK_WATCHER->at ($NEXT_TICK);	4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2542	$TICK_WATCHER->start;	4248	debug "jitter $JITTER\n";#d#
		4249	}
2543	},	4250	}
2544	);	4251	}
2545		4252
2546	{	4253	{
2547	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2548	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2549	reentrant => 0,	4256
2550	fd => BDB::poll_fileno,
2551	poll => 'r',
2552	prio => 0,
2553	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,
2555	);
2556	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
2557		4258	BDB::max_poll_reqs $TICK * 0.1;
2558	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
2559	my $status;
2560	my $current = $Coro::current;
2561	(
2562	sub {
2563	$status = $!;
2564	$current->ready; undef $current;
2565	},
2566	sub {
2567	Coro::schedule while defined $current;
2568	$! = $status;
2569	},
2570	)
2571	};
2572		4260
2573	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
2574	$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);
2575		4268
2576	cf::sync_job {	4269	cf::sync_job {
2577	eval {	4270	eval {
2578	BDB::db_env_open	4271	BDB::db_env_open
2579	$DB_ENV,	4272	$DB_ENV,
2580	$BDB_ENV_DIR,	4273	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	4276	0666;
2584		4277
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	4279	};
2590		4280
2591	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	4282	};
2593	}	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";
2594	}	4296	}
2595		4297
2596	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
2597	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
2598
2599	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
2602	reentrant => 0,	4305	info "aio initialised";
2603	fd => IO::AIO::poll_fileno,
2604	poll => 'r',
2605	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,
2608	);
2609	}	4306	}
2610		4307
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	4308	our $_log_backtrace;
2612	reentrant => 0,	4309	our $_log_backtrace_last;
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		4310
2621	Coro::async_pool {	4311	sub _log_backtrace {
2622	write_runtime	4312	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	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;
2624	};	4348	};
		4349	} else {
		4350	LOG llevInfo, "[ABT] $msg\n";
		4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2625	},	4352	}
2626	);	4353	}
		4354
		4355	# load additional modules
		4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
2627		4358
2628	END { cf::emergency_save }	4359	END { cf::emergency_save }
2629		4360
2630	1	4361	1
2631		4362

Diff Legend

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