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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.618 by root, Mon Aug 10 18:48:41 2015 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	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
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	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.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	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
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
168		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	335	for my $pkg (qw(
198	cf::global cf::attachable	336	cf::global cf::attachable
199	cf::object cf::object::player	337	cf::object cf::object::player
200	cf::client cf::player	338	cf::client cf::player
201	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
202	cf::map cf::party cf::region	341	cf::party cf::region
203	)) {	342	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	344	}
207		345
208	$Event::DIED = sub {	346	$EV::DIED = sub {
209	warn "error in event callback: @_";	347	warn "error in event callback: $@";
210	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
211		354
212	#############################################################################	355	#############################################################################
213		356
214	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
215		358
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	380	$d
238	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
239	}	382	}
240		383
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
242		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
251	=item cf::lock_wait $string	513	=item cf::lock_wait $string
252		514
253	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
254		516
255	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
256		518
257	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
260	returned.	522	returned.
261		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
262	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
264		529
265	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
266		531
267	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
268		533
269	=cut	534	=cut
270		535
271	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
272		537
273	sub lock_wait($) {	538	sub lock_wait($) {
274	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	540	}
282		541
283	sub lock_acquire($) {	542	sub lock_acquire($) {
284	my ($key) = @_;	543	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	544	}
296		545
297	sub lock_active($) {	546	sub lock_active($) {
298	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	548	}
302		549
303	sub freeze_mainloop {	550	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
305		552
306	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
308	};	623	}
309	$TICK_WATCHER->stop;	624	};
310	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
311	}	639	}
312		640
313	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
314		642
315	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		648
321	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
322		650
323	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
324		652
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	656	acceptable.
329		657
330	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	663	=cut
336		664
337	sub sync_job(&) {	665	sub sync_job(&) {
338	my ($job) = @_;	666	my ($job) = @_;
339		667
340	if ($Coro::current == $Coro::main) {	668	if (in_main) {
341	my $time = Event::time;	669	my $time = AE::time;
342		670
343	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
345		673
346	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	675
348	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
349		677
350	my $busy = 1;	678	my $busy = 1;
351	my @res;	679	my @res;
352		680
353	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	683	@res = eval { $job->() };
355	warn $@ if $@;	684	error $@ if $@;
356	undef $busy;	685	undef $busy;
357	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
358		687
359	while ($busy) {	688	while ($busy) {
360	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONCE;
361	}	693	}
		694	}
362		695
363	$time = Event::time - $time;	696	my $time = AE::time - $time;
364		697
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
369		699
370	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
371	} else {	701	} else {
372	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
373		703
…		…
393	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
394		724
395	$coro	725	$coro
396	}	726	}
397		727
398	=item fork_call { }, $args	728	=item fork_call { }, @args
399		729
400	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
404		734
405	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
406		740
407	sub fork_call(&@) {	741	sub fork_call(&@) {
408	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
409		743
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
411	# or die "socketpair: $!";	745	cf::post_fork;
412	pipe my $fh1, my $fh2	746	&$cb
413	or die "pipe: $!";	747	} @args;
414		748
415	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
416	close $fh2;	750	}
417		751
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
440	}	788	}
441		789
442	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
443		791
444	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
447		795
448	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
451	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
452		825
453	our $DB;	826	our $DB;
454		827
455	sub db_init {	828	sub db_init {
456	unless ($DB) {	829	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	830	}
471		831
472	sub db_get($$) {	832	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
474		834
475	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
476	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
477		839
478	$! ? ()	840	$! ? ()
479	: $data	841	: $data
480	}
481	}	842	}
482		843
483	sub db_put($$$) {	844	sub db_put($$$) {
484	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		874
514	my @data;	875	my @data;
515	my $md5;	876	my $md5;
516		877
517	for (0 .. $#$src) {	878	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	880	}
521		881
522	# if processing is expensive, check	882	# if processing is expensive, check
523	# checksum first	883	# checksum first
524	if (1) {	884	if (1) {
525	$md5 =	885	$md5 =
526	join "\x00",	886	join "\x00",
527	$processversion,	887	$processversion,
528	map {	888	map {
529	Coro::cede;	889	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	891	} 0.. $#$src;
532		892
533		893
534	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
537		897
538	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
539	}	899	}
540	}	900	}
541		901
542	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
543	my $data = $process->(\@data);	903	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
545		905
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		907
548	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
551		911
…		…
561		921
562	=cut	922	=cut
563		923
564	sub datalog($@) {	924	sub datalog($@) {
565	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	927	}
568		928
569	=back	929	=back
570		930
571	=cut	931	=cut
572		932
573	#############################################################################	933	#############################################################################
574		934
575	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
576		936
577	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
580		940
581	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	943	Deliantra).
584		944
585	=over 4	945	=over 4
586		946
587	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
588		948
…		…
632	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
633		993
634	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
636		996
637	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
639		999
640	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
641		1001
642	=over 4	1002	=over 4
…		…
766		1126
767	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1129
770	} elsif (ref $type) {	1130	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
772		1132
773	} else {	1133	} else {
774	shift @arg;	1134	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
776	}	1136	}
777	}	1137	}
778	}	1138	}
779		1139
780	sub _object_attach {	1140	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
791	}	1151	}
792		1152
793	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
794	} else {	1154	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1156	}
797		1157
798	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
799	}	1159	}
800		1160
…		…
840	";	1200	";
841	die if $@;	1201	die if $@;
842	}	1202	}
843		1203
844	our $override;	1204	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1206
847	sub override {	1207	sub override {
848	$override = 1;	1208	$override = 1;
849	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
850	}	1210	}
851		1211
852	sub do_invoke {	1212	sub do_invoke {
853	my $event = shift;	1213	my $event = shift;
854	my $callbacks = shift;	1214	my $callbacks = shift;
855		1215
856	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
857		1217
858	local $override;	1218	local $override;
859		1219
860	for (@$callbacks) {	1220	for (@$callbacks) {
861	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
862		1222
863	if ($@) {	1223	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1225	override;
867	}	1226	}
868		1227
869	return 1 if $override;	1228	return 1 if $override;
870	}	1229	}
871		1230
872	0	1231	0
873	}	1232	}
874		1233
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1235
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1237
879	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
880		1239
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1243
885	=back	1244	=back
886		1245
887	=cut	1246	=cut
888		1247
889	#############################################################################	1248	#############################################################################
890	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
891		1292
892	sub reattach {	1293	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1295	my ($obj) = @_;
895		1296
		1297	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1299
898	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
899		1301
900	@$registry = ();	1302	@$registry = ();
901		1303
…		…
906	for (@$attach) {	1308	for (@$attach) {
907	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
909	}	1311	}
910	} else {	1312	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1314	}
913	}	1315	}
914	}	1316	}
915		1317
916	cf::attachable->attach (	1318	cf::attachable->attach (
917	prio => -1000000,	1319	prio => -1000000,
918	on_instantiate => sub {	1320	on_instantiate => sub {
919	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
920		1322
921	$data = from_json $data;	1323	$data = decode_json $data;
922		1324
923	for (@$data) {	1325	for (@$data) {
924	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
925		1327
926	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1344	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
944		1346
945	sync_job {	1347	sync_job {
946	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
949		1353
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
954	close $fh;	1361	aio_close $fh;
955		1362
956	if (@$objs) {	1363	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
962	close $fh;	1372	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
964	}	1374	}
965	} else {	1375	} else {
966	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
967	}	1377	}
968		1378
969	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1383	} else {
971	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
972	}	1385	}
973	} else {	1386	} else {
974	aio_unlink $filename;	1387	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
976	}	1389	}
977	}	1390	};
978	}	1391	}
979		1392
980	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
982		1395
…		…
994	or return;	1407	or return;
995		1408
996	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
998	or return;	1411	or return;
		1412
999	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1000	}	1415	}
1001		1416
		1417	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1004	return ($data, $av);	1422	($data, $av)
1005	}	1423	}
1006		1424
1007	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1008		1426
1009	=over 4	1427	=over 4
…		…
1011	=cut	1429	=cut
1012		1430
1013	#############################################################################	1431	#############################################################################
1014	# command handling &c	1432	# command handling &c
1015		1433
1016	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1017		1435
1018	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1019	$name.	1437	$name.
1020		1438
1021	=cut	1439	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1028		1446
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1448	}
1031		1449
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1033		1451
1034	Register a callback fro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
1035		1457
1036	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1037	called.
1038		1459
1039	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
1040		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1041	sub register_extcmd {	1482	sub register_extcmd($$) {
1042	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1043		1484
1044	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1045	}	1486	}
1046		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1047	cf::player->attach (	1508	cf::player->attach (
1048	on_command => sub {	1509	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1050		1511
1051	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1052	or return;	1513	or return;
1053		1514
…		…
1058	cf::override;	1519	cf::override;
1059	},	1520	},
1060	on_extcmd => sub {	1521	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1062		1523
1063	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1525
1065	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1068	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1069	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1070	}	1547	}
		1548
1071	} else {	1549	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1551	}
1074		1552
1075	cf::override;	1553	cf::override;
1076	},	1554	},
1077	);	1555	);
1078		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1079	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1080	cf::sync_job {	1586	cf::sync_job {
1081	my %todo;	1587	my %todo;
1082		1588
1083	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1590	next unless -r $path;
…		…
1102		1608
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1611
1106	$ext{source} =	1612	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1109	. $source	1615	. $source
1110	. "\n};\n1";	1616	. "\n};\n1";
1111		1617
1112	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1113	}	1619	}
1114		1620
		1621	my $pass = 0;
1115	my %done;	1622	my %done;
1116	while (%todo) {	1623	while (%todo) {
1117	my $progress;	1624	my $progress;
1118		1625
		1626	++$pass;
		1627
		1628	ext:
1119	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1631	next ext
1122	unless exists $done{$_};	1632	unless exists $done{$_};
1123	}	1633	}
1124		1634
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1636
1127	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1132	warn $msg;	1653
1133	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1655	delete $todo{$k};
1135	}	1656	} else {
1136		1657	$done{$k} = delete $todo{$k};
1137	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1138	}	1663	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1664	}
1144		1665
1145	skip:	1666	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1148	}	1676	}
1149	};	1677	};
1150	}	1678	}
1151		1679
1152	#############################################################################	1680	#############################################################################
1153		1681
1154	=back	1682	=back
1155		1683
1156	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1157		1685
1158	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1159		1687
1160	=cut	1688	=cut
1161		1689
1162	package cf::player;	1690	package cf::player;
1163		1691
1164	use Coro::AIO;	1692	use Coro::AIO;
1165		1693
1166	=head3 cf::player	1694	=head3 cf::player
1167		1695
1168	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1169		1711
1170	=item cf::player::find $login	1712	=item cf::player::find $login
1171		1713
1172	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1173		1715
…		…
1192		1734
1193	sub exists($) {	1735	sub exists($) {
1194	my ($login) = @_;	1736	my ($login) = @_;
1195		1737
1196	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1198	}	1740	}
1199		1741
1200	sub find($) {	1742	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1744	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1755
1214	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1217	}	1765	}
1218	}	1766	}
1219	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1220		1781
1221	sub save($) {	1782	sub save($) {
1222	my ($pl) = @_;	1783	my ($pl) = @_;
1223		1784
1224	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1230		1791
1231	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1233		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1234	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1235	Coro::cede;	1801	cf::cede_to_tick;
1236	}	1802	}
1237		1803
1238	sub new($) {	1804	sub new($) {
1239	my ($login) = @_;	1805	my ($login) = @_;
1240		1806
…		…
1246	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1247		1813
1248	$self	1814	$self
1249	}	1815	}
1250		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1251	=item $pl->quit_character	1827	=item $pl->quit_character
1252		1828
1253	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1255		1831
…		…
1259	my ($pl) = @_;	1835	my ($pl) = @_;
1260		1836
1261	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1262		1838
1263	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1841
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1269	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1270		1850
1271	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1308	or return [];	1888	or return [];
1309		1889
1310	my @logins;	1890	my @logins;
1311		1891
1312	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1316		1902
1317	utf8::decode $login;	1903	utf8::decode $login;
1318	push @logins, $login;	1904	push @logins, $login;
1319	}	1905	}
1320		1906
1321	\@logins	1907	\@logins
1322	}	1908	}
1323		1909
1324	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1325		1913
1326	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1327	player. May block.	1915	player. May block.
1328		1916
1329	=cut	1917	=cut
…		…
1347	}	1935	}
1348		1936
1349	\@paths	1937	\@paths
1350	}	1938	}
1351		1939
1352	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1941
1354	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1355		1943
1356	=cut
1357
1358	sub ext_reply($$%) {
1359	my ($self, $id, %msg) = @_;
1360
1361	$msg{msgid} = $id;
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}
1365
1366	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1367		1945
1368	Sends an ext event to the client.	1946	Sends an ext event to the client.
1369		1947
1370	=cut	1948	=cut
1371		1949
1372	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1374		1952
1375	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1376	}	1954	}
1377		1955
1378	=head3 cf::region	1956	=head3 cf::region
1379		1957
1380	=over 4	1958	=over 4
…		…
1390	=cut	1968	=cut
1391		1969
1392	sub find_by_path($) {	1970	sub find_by_path($) {
1393	my ($path) = @_;	1971	my ($path) = @_;
1394		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1395	my ($match, $specificity);	1975	my ($match, $specificity);
1396		1976
1397	for my $region (list) {	1977	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1401	}	1981	}
1402	}	1982	}
1403		1983
…		…
1424	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1426		2006
1427	sub generate_random_map {	2007	sub generate_random_map {
1428	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1430	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	2013	}
1444		2014
1445	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1446		2016
1447	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1452		2022
1453	sub register {	2023	sub register {
1454	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	2025	my $pkg = caller;
1456		2026
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		2028
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2030	}
1462		2031
1463	# also paths starting with '/'	2032	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2034
1466	sub thawer_merge {	2035	sub thawer_merge {
1467	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1468		2037
1469	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1474	}	2043	}
1475		2044
1476	sub normalise {	2045	sub normalise {
1477	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1478		2047
1479	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1480		2049
1481	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1482		2051
1483	# map plan:	2052	# map plan:
1484	#	2053	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2069	$path = "$base/$path";
1501	}	2070	}
1502		2071
1503	for ($path) {	2072	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1507	}	2075	}
1508		2076
1509	$path	2077	$path
…		…
1523	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1524	return $self;	2092	return $self;
1525	}	2093	}
1526	}	2094	}
1527		2095
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2097	()
1530	}	2098	}
1531		2099
		2100	# may re-bless or do other evil things
1532	sub init {	2101	sub init {
1533	my ($self) = @_;	2102	my ($self) = @_;
1534		2103
1535	$self	2104	$self
1536	}	2105	}
…		…
1555		2124
1556	# the temporary/swap location	2125	# the temporary/swap location
1557	sub save_path {	2126	sub save_path {
1558	my ($self) = @_;	2127	my ($self) = @_;
1559		2128
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1562	}	2131	}
1563		2132
1564	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1565	sub uniq_path {	2134	sub uniq_path {
1566	my ($self) = @_;	2135	my ($self) = @_;
1567		2136
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2139	}
1580		2140
1581	sub decay_objects {	2141	sub decay_objects {
1582	my ($self) = @_;	2142	my ($self) = @_;
1583		2143
…		…
1596		2156
1597	sub load_header_from($) {	2157	sub load_header_from($) {
1598	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1599		2159
1600	utf8::encode $path;	2160	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2162	or return;
1606		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1607	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1608		2171
1609	1	2172	1
1610	}	2173	}
1611		2174
		2175	# used to laod the header of an original map
1612	sub load_header_orig {	2176	sub load_header_orig {
1613	my ($self) = @_;	2177	my ($self) = @_;
1614		2178
1615	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1616	}	2180	}
1617		2181
		2182	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2183	sub load_header_temp {
1619	my ($self) = @_;	2184	my ($self) = @_;
1620		2185
1621	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1622	}	2187	}
1623		2188
		2189	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2190	sub prepare_temp {
1625	my ($self) = @_;	2191	my ($self) = @_;
1626		2192
1627	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1629	# safety	2195	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2198	}
1633		2199
		2200	# called after loading the header from an original map
1634	sub prepare_orig {	2201	sub prepare_orig {
1635	my ($self) = @_;	2202	my ($self) = @_;
1636		2203
1637	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2229
1663	sub find;	2230	sub find;
1664	sub find {	2231	sub find {
1665	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1666		2233
		2234	cf::cede_to_tick;
		2235
1667	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1668		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2240
1671	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1674	or return;	2243	or return;
1675		2244
1676	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1677		2246
…		…
1679	or return;	2248	or return;
1680		2249
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1684	$map->reset;	2255	$map->reset;
1685	undef $guard;
1686	return find $path;	2256	return find $path;
1687	}	2257	}
1688		2258
1689	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1690	}	2260	}
1691	}	2261	}
1692		2262
1693	sub pre_load { }	2263	sub pre_load { }
1694	sub post_load { }	2264	#sub post_load { } # XS
1695		2265
1696	sub load {	2266	sub load {
1697	my ($self) = @_;	2267	my ($self) = @_;
1698		2268
1699	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1700		2270
1701	my $path = $self->{path};	2271	my $path = $self->{path};
1702		2272
1703	{	2273	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1705		2275
		2276	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2278
1710	$self->alloc;	2279	$self->alloc;
1711		2280
1712	$self->pre_load;	2281	$self->pre_load;
1713	Coro::cede;	2282	cf::cede_to_tick;
1714		2283
1715	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1716	or return;	2288	or return;
1717		2289
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1719	if delete $self->{load_original};	2291	if delete $self->{load_original};
1720		2292
1721	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2294	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2297	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1726	}	2302	}
1727	}
1728		2303
1729	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1730	# now do the right thing for maps	2313	# now do the right thing for maps
1731	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2316	unless $self->difficulty;
1734	Coro::cede;	2317	cf::cede_to_tick;
1735		2318
1736	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2320	$self->decay_objects;
1738	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1739	$self->update_buttons;	2322	$self->update_buttons;
1740	Coro::cede;	2323	cf::cede_to_tick;
1741	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2325	}
1745		2326
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1747	}	2329	}
1748		2330
1749	$self->post_load;	2331	$self->post_load;
1750	}
1751		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2339	sub customise_for {
1753	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1754		2341
1755	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2343	if $self->per_player;
…		…
1759	# if $self->per_party;	2346	# if $self->per_party;
1760		2347
1761	$self	2348	$self
1762	}	2349	}
1763		2350
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2351	sub find_sync {
1789	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1790		2353
1791	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1792	}	2359	}
1793		2360
1794	sub do_load_sync {	2361	sub do_load_sync {
1795	my ($map) = @_;	2362	my ($map) = @_;
1796		2363
1797	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1798	}	2369	}
1799		2370
1800	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1802		2373
1803	sub find_async {	2374	sub find_async {
1804	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1805		2376
1806	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1807		2378
1808	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1810	}	2381	}
1811		2382
1812	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1813	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1814	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2390	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2391	$map->load if $v;
		2392	}
1819		2393
1820	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1821	}	2395	}
1822	}	2396	}
1823	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1824	};	2398	};
1825	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1826		2400
1827	()	2401	()
1828	}	2402	}
1829		2403
		2404	# common code, used by both ->save and ->swapout
1830	sub save {	2405	sub _save {
1831	my ($self) = @_;	2406	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2407
1835	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1836		2409
1837	return unless $self->dirty;	2410	return unless $self->dirty;
1838		2411
…		…
1844	return if $self->{deny_save};	2417	return if $self->{deny_save};
1845		2418
1846	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1847		2420
1848	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1850	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1851		2427
1852	if ($uniq) {	2428	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2431	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2433	}
1858	}	2434	}
1859		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1860	sub swap_out {	2444	sub swap_out {
1861	my ($self) = @_;	2445	my ($self) = @_;
1862		2446
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1868	return if $self->players;	2451	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1872	$self->clear;	2462	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2463	}
1875		2464
1876	sub reset_at {	2465	sub reset_at {
1877	my ($self) = @_;	2466	my ($self) = @_;
1878		2467
…		…
1896		2485
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2487
1899	return if $self->players;	2488	return if $self->players;
1900		2489
1901	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1902		2491
1903	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1904		2493
1905	# need to save uniques path	2494	# need to save uniques path
1906	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2497
…		…
1910	if $uniq;	2499	if $uniq;
1911	}	2500	}
1912		2501
1913	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1914		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2506	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2507
1919	$self->unlink_save;	2508	$self->unlink_save;
1920	$self->destroy;	2509	$self->destroy;
1921	}	2510	}
1922		2511
1923	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1924		2513
1925	sub nuke {	2514	sub nuke {
1926	my ($self) = @_;	2515	my ($self) = @_;
1927		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1928	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1929		2521
1930	$self->unlink_save;	2522	$self->unlink_save;
1931		2523
1932	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2529
1938	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1939		2532
1940	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
1941	}	2534	}
1942		2535
1943	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
1985		2578
1986	sub unique_maps() {	2579	sub unique_maps() {
1987	[	2580	[
1988	map {	2581	map {
1989	utf8::decode $_;	2582	utf8::decode $_;
1990	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
1991	? normalise $_	2586	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2588	]
1995	}	2589	}
1996		2590
1997	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1998		2622
1999	=back	2623	=back
2000		2624
2001	=head3 cf::object	2625	=head3 cf::object
2002		2626
…		…
2006		2630
2007	=over 4	2631	=over 4
2008		2632
2009	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2010		2634
2011	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2012		2637
2013	=cut	2638	=cut
2014		2639
2015	sub inv_recursive_;	2640	sub inv_recursive_;
2016	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2019		2644
2020	sub inv_recursive {	2645	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2022	}	2647	}
2023		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2024	package cf;	2677	package cf;
2025		2678
2026	=back	2679	=back
2027		2680
2028	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2037		2690
2038	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2039		2706
2040	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2708	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2050		2717
2051	} else {	2718	} else {
2052	my $pl = $self->contr;	2719	my $pl = $self->contr;
2053		2720
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2724
2060	} else {	2725	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2728	}
2064	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2065	}	2740	}
2066		2741
2067	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2068		2743
2069	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2070	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2071		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2072	=cut	2772	=cut
2073		2773
2074	sub cf::object::player::may {	2774	sub cf::object::player::may {
2075	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2076		2776
2077	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2078	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2079	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2080	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2081	}	2781	}
2082		2782
2083	=item $player_object->enter_link	2783	=item $player_object->enter_link
2084		2784
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2786
2087	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2089		2791
2090	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2091		2799
2092	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2093		2801
2094	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2095	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2113	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2822	my ($self) = @_;
2115		2823
2116	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2117		2825
		2826	++$self->{_link_recursion};
		2827
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2829
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2122		2832
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2834	}
2125		2835
2126	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2128		2838
…		…
2145	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2147		2857
2148	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2151		2861
2152	$map->load;	2862	$map->load;
2153	$map->load_diag;
2154		2863
2155	return unless $self->contr->active;	2864	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2865
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2160	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2161		2873
		2874	}
		2875
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2877
2164	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2881	the new (success) or old (failed) map position. In either case, $done will
		2882	be called at the end of this process.
		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
2168		2886
2169	=cut	2887	=cut
2170		2888
2171	our $GOTOGEN;	2889	our $GOTOGEN;
2172		2890
2173	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
2175		2899
2176	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2902
2179	$self->enter_link;	2903	$self->enter_link;
2180		2904
2181	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
2182	my $map = eval {	2927	my $map = eval {
2183	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2929
2185	if ($map) {	2930	if ($map) {
2186	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2933	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2935	}
2191		2936
2192	$map	2937	$map
2193	};	2938	};
2194		2939
…		…
2199		2944
2200	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2203	}	2948	}
		2949
		2950	$done->($self) if $done;
2204	})->prio (1);	2951	})->prio (1);
2205	}	2952	}
2206		2953
2207	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2208		2955
…		…
2228	}	2975	}
2229		2976
2230	sub prepare_random_map {	2977	sub prepare_random_map {
2231	my ($exit) = @_;	2978	my ($exit) = @_;
2232		2979
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2982	# that depends on the exit object
2238		2983
2239	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2986	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2246	}	2993	}
2247		2994
2248	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2249		2996
2250	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2253		3000
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	3003	undef $fh;
2257	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2258		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2261	}	3012	}
2262	}	3013	}
2263		3014
2264	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2266		3017
2267	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2268		3019
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	3020	$self->enter_link;
2281		3021
2282	(async {	3022	(async {
2283	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2284	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2285	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2286		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2287	1;	3061	1
2288	}) {	3062	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2293		3067
2294	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	3069	$self->leave_link;
2296	}	3070	}
2297	})->prio (1);	3071	})->prio (1);
2298	}	3072	}
2299		3073
2300	=head3 cf::client	3074	=head3 cf::client
2301		3075
2302	=over 4	3076	=over 4
2303		3077
2304	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2305		3079
2306	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2307	should not be used under normal circumstances.	3081	them as required.
2308		3082
2309	=cut	3083	=cut
2310		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
		3087	sub cf::client::send_big_packet {
		3088	my ($self, $pkt) = @_;
		3089
		3090	# try lzf for large packets
		3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
		3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3104
		3105	Send a msg packet to the client, formatting the msg for the client if
		3106	necessary. C<$type> should be a string identifying the type of the
		3107	message, with C<log> being the default. If C<$color> is negative, suppress
		3108	the message unless the client supports the msg packet.
		3109
		3110	=cut
		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2311	sub cf::client::send_drawinfo {	3232	sub cf::client::send_msg {
2312	my ($self, $text, $flags) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2313		3234
2314	utf8::encode $text;	3235	$msg = $self->pl->expand_cfpod ($msg)
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3236	unless $color & cf::NDI_VERBATIM;
2316	}
2317		3237
		3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
		3252	}
		3253
		3254	$channel = $channel->{id};
		3255	}
		3256
		3257	return unless @extra || length $msg;
		3258
		3259	# default colour, mask it out
		3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3261	if $color & cf::NDI_DEF;
		3262
		3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
		3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3266	);
		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2318	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2319		3272
2320	Sends an exti event to the client.	3273	Sends an ext event to the client.
2321		3274
2322	=cut	3275	=cut
2323		3276
2324	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2326		3279
2327	$msg{msgtype} = "event_$type";	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2328	$self->send_packet ("ext " . cf::to_json \%msg);
2329	}	3281	}
2330		3282
2331	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2332		3284
2333	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3286	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3287	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3288
2337	Queries can fail, so check the return code. Or don't, as queries will become	3289	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3290	become reliable at some point in the future.
2339		3291
2340	=cut	3292	=cut
2341		3293
2342	sub cf::client::query {	3294	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3295	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3303	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3304	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3305
2354	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
		3308
		3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2356	}	3349	}
2357		3350
2358	cf::client->attach (	3351	cf::client->attach (
		3352	on_connect => sub {
		3353	my ($ns) = @_;
		3354
		3355	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3356	},
2359	on_reply => sub {	3357	on_reply => sub {
2360	my ($ns, $msg) = @_;	3358	my ($ns, $msg) = @_;
2361		3359
2362	# this weird shuffling is so that direct followup queries	3360	# this weird shuffling is so that direct followup queries
2363	# get handled first	3361	# get handled first
…		…
2375	} else {	3373	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3374	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3375	}
2378	}	3376	}
2379	},	3377	},
		3378	on_exticmd => sub {
		3379	my ($ns, $buf) = @_;
		3380
		3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3382
		3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
		3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
		3404	}
		3405	} else {
		3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3407	}
		3408
		3409	cf::override;
		3410	},
2380	);	3411	);
2381		3412
2382	=item $client->async (\&cb)	3413	=item $client->async (\&cb)
2383		3414
2384	Create a new coroutine, running the specified callback. The coroutine will	3415	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3431
2401	$coro	3432	$coro
2402	}	3433	}
2403		3434
2404	cf::client->attach (	3435	cf::client->attach (
2405	on_destroy => sub {	3436	on_client_destroy => sub {
2406	my ($ns) = @_;	3437	my ($ns) = @_;
2407		3438
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3440	},
2410	);	3441	);
…		…
2425	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2427		3458
2428	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2429		3460
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2431		3466
2432	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2433		3468
2434	=pod	3469	=pod
2435		3470
2436	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2437		3472
2438	cf::object contr pay_amount pay_player map	3473	cf::object
		3474	contr pay_amount pay_player map x y force_find force_add destroy
		3475	insert remove name archname title slaying race decrease split
		3476	value
		3477
2439	cf::object::player player	3478	cf::object::player
2440	cf::player peaceful	3479	player
2441	cf::map trigger	3480
		3481	cf::player
		3482	peaceful
		3483
		3484	cf::map
		3485	trigger
2442		3486
2443	=cut	3487	=cut
2444		3488
2445	for (	3489	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2450	) {	3496	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3499	for @funs;
2455	}	3500	}
2456		3501
…		…
2471		3516
2472	my $qcode = $code;	3517	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2475		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2476	local $_;	3524	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3525
2479	my $eval =	3526	my $eval =
2480	"do {\n"	3527	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3530	. $code
2484	. "\n}"	3531	. "\n}"
2485	;	3532	;
2486		3533
		3534	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2490		3543
2491	if ($@) {	3544	if ($@) {
2492	warn "$@";	3545	warn "$@",
2493	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2495	}	3548	}
2496		3549
2497	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2498	}	3551	}
2499		3552
…		…
2513	=cut	3566	=cut
2514		3567
2515	sub register_script_function {	3568	sub register_script_function {
2516	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2517		3570
2518	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2520	}	3573	}
2521		3574
2522	=back	3575	=back
2523		3576
2524	=cut	3577	=cut
2525		3578
2526	#############################################################################	3579	#############################################################################
2527	# the server's init and main functions	3580	# the server's init and main functions
2528		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2529	sub load_facedata($) {	3659	sub load_facedata($) {
2530	my ($path) = @_;	3660	my ($path) = @_;
2531		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2532	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2533		3665
2534	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3667
2540	$facedata->{version} == 2	3668	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2542		3679
2543	{	3680	{
2544	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2545		3682
2546	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3687	cf::face::set_visibility $idx, $info->{visibility};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2551	Coro::cede;	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2552	}	3694	}
2553		3695
2554	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2556	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2557	or next;	3700	or next;
		3701
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
		3703	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3705	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3707	}
2563	Coro::cede;
2564	}	3708	}
2565	}	3709	}
2566		3710
2567	{	3711	{
2568	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2569		3713
2570	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;
2573	}	3716	}
2574		3717
2575	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2576	}	3719	}
2577		3720
		3721	{
		3722	my $res = $facedata->{resource};
		3723
		3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
		3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3728
		3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
		3735	} else {
		3736	# $RESOURCE{$name} = $info; # unused
		3737	}
		3738	}
		3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
2578	1	3755	1
2579	}	3756	}
2580		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2581	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2582	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
		3797
		3798	for (cf::region::list) {
		3799	$_->{match} = qr/$_->{match}/
		3800	if exists $_->{match};
		3801	}
2584	}	3802	}
2585		3803
2586	sub reload_facedata {	3804	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2588	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2589	}	3807	}
2590		3808
2591	sub reload_archetypes {	3809	sub reload_archetypes {
2592	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2593	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2594	}	3838	}
2595		3839
2596	sub reload_treasures {	3840	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2599	}	3843	}
2600		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2601	sub reload_resources {	3865	sub reload_resources {
2602	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2603		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2604	reload_regions;	3873	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3874	reload_treasures;
2609		3875
2610	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2611	}	3877	}
2612		3878
2613	sub init {	3879	sub reload_config {
2614	reload_resources;	3880	trace "reloading config file...\n";
2615	}
2616		3881
2617	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2619	or return;	3884	*CFG = decode_yaml $config;
2620		3885
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3887
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3890
2629	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2633	};	3895	};
2634	warn $@ if $@;	3896	warn $@ if $@;
2635	}	3897	}
2636	}	3898	}
2637		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2638	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2639	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3941	(async {
2643	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONCE;
2644	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2645	};	3945	};
2646		3946
2647	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2648	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2649	load_extensions;	3971	load_extensions;
2650		3972
2651	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2653	}	3990	}
2654		3991
2655	#############################################################################	3992	#############################################################################
2656	# initialisation and cleanup	3993	# initialisation and cleanup
2657		3994
2658	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2659	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2668	},
2669	);	4001	};
2670	}	4002	}
2671	}	4003	}
2672		4004
2673	sub write_runtime {	4005	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
2675		4007
2676	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
2678		4010
2679	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		4012
2681	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
2682		4014
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	4016	or return;
2685		4017
2686	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
2699		4031
2700	close $fh	4032	close $fh
2701	or return;	4033	or return;
2702		4034
2703	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	4036	and return;
2705		4037
2706	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		4039
2708	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2709	}	4091	}
2710		4092
2711	sub emergency_save() {	4093	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2713		4095
2714	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2715		4102
2716	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2717	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	4114	$pl->save;
2725	}	4115	}
2726	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2727		4117
2728	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	4123	$map->valid or next;
2732	$map->save;	4124	$map->save;
2733	}	4125	}
2734	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2735		4127
2736	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2739	};	4156	};
2740		4157
2741	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2742	}	4159	}
2743		4160
2744	sub post_cleanup {	4161	sub post_cleanup {
2745	my ($make_core) = @_;	4162	my ($make_core) = @_;
2746		4163
		4164	IO::AIO::flush;
		4165
2747	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2749	}	4196	}
2750		4197
2751	sub do_reload_perl() {	4198	sub do_reload_perl() {
2752	# can/must only be called in main	4199	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2754	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2755	return;	4202	return;
2756	}	4203	}
2757		4204
2758	warn "reloading...";	4205	return if $RELOAD++;
2759		4206
2760	warn "entering sync_job";	4207	my $t1 = AE::time;
2761		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2762	cf::sync_job {	4215	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	4216	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		4217
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	4220	%EXT_CORO = ();
2791		4221
2792	warn "removing commands";	4222	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4223	%COMMAND = ();
2794		4224
2795	warn "removing ext commands";	4225	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4226	%EXTCMD = ();
		4227	%EXTICMD = ();
2797		4228
2798	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
2801		4232
2802	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4234	eval {
2804	$cb->($pkg);	4235	$cb->($pkg);
2805	1	4236	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
2807	}	4242	}
2808		4243
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4247
2817	warn "... unloading $k";	4248	trace "... unloading $k";
2818	delete $INC{$k};	4249	delete $INC{$k};
2819		4250
2820	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
2822		4253
2823	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
2825	}	4259	}
2826		4260
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4264
2834	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4268
2838	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4270	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
2841		4272
2842	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
2843		4274
2844	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
2845	require cf;	4276	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
2847		4278
2848	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4280	cf::reload_config;
2850		4281
2851	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4283	cf::load_extensions;
2853		4284
		4285	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
2860		4293
2861	warn "leaving sync_job";	4294	cf::_post_init 1;
2862		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
2863	1	4298	1
2864	} or do {	4299	} or do {
2865	warn $@;	4300	error $@;
2866	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4302	};
		4303
		4304	--$RELOAD;
2868	};	4305	}
2869		4306
2870	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
2871	};	4309	};
2872		4310
2873	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
2874		4312
2875	sub reload_perl() {	4313	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
2878		4316
2879	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4319
2882	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4321	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
2886	},	4323	};
2887	);	4324	};
2888	}	4325	}
2889		4326
2890	register_command "reload" => sub {	4327	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
2892		4329
2893	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4334	reload_perl;
		4335	};
2896	}	4336	}
2897	};	4337	};
2898		4338
2899	unshift @INC, $LIBDIR;	4339	#############################################################################
2900		4340
2901	my $bug_warning = 0;	4341	my $bug_warning = 0;
2902		4342
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4343	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4345
2910	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4347	}
2914		4348
2915	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4351
2919	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4354	$signal->wait;
2922	}	4355	}
2923		4356
2924	my $min = 1e6;#d#	4357	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
2936	return;	4361	return;
2937	}	4362	}
2938		4363
2939	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
2940		4365
2941	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4367
2943	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4370	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
2947	or die;	4372	write_runtime_sync
2948		4373	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4374	};
		4375	}
2965		4376
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4378	$sig->send;
2982	}	4379	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4381
2987	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4384
2998	_post_tick;	4385	if (0) {
2999		4386	if ($NEXT_TICK) {
3000		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3001	},	4391	}
3002	);	4392	}
3003		4393
3004	{	4394	{
3005	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3007	reentrant => 0,	4397
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3015		4399	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4401
3031	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4409
3034	cf::sync_job {	4410	cf::sync_job {
3035	eval {	4411	eval {
3036	BDB::db_env_open	4412	BDB::db_env_open
3037	$DB_ENV,	4413	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4417	0666;
3042		4418
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4420	};
3048		4421
3049	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4423	};
3051	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
3052	}	4437	}
3053		4438
3054	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3055	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,	4446	info "aio initialised";
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4447	}
3068		4448
3069	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3070		4451
3071	sub _log_backtrace {	4452	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3073		4454
3074	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3075		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3079	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3080	my @bt = fork_call {	4468	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3092	}	4480	}
3093		4481
3094	@funcs	4482	@funcs
3095	};	4483	};
3096		4484
3097	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4488	--$_log_backtrace;
3100	};	4489	};
3101	} else {	4490	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4493	}
3105	}	4494	}
3106		4495
3107	# load additional modules	4496	# load additional modules
3108	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3109		4499
3110	END { cf::emergency_save }	4500	END { cf::emergency_save }
3111		4501
3112	1	4502	1
3113		4503

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