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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.285 by root, Sun Jun 24 04:21:42 2007 UTC vs.
Revision 1.609 by root, Tue Nov 20 14:30:22 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
308	};	623	}
309	$TICK_WATCHER->stop;	624	};
310	$guard	625
		626	sub get_slot($;$$) {
		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::loop EV::LOOP_ONESHOT;
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 $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1941
1354	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1355		1943
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)
1386
1387	Sends an ext reply to the player.
1388
1389	=cut
1390
1391	sub ext_reply($$%) {
1392	my ($self, $id, %msg) = @_;
1393
1394	$msg{msgid} = $id;
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}
1398
1399	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1400		1945
1401	Sends an ext event to the client.	1946	Sends an ext event to the client.
1402		1947
1403	=cut	1948	=cut
1404		1949
1405	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1407		1952
1408	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1409	}	1954	}
1410		1955
1411	=head3 cf::region	1956	=head3 cf::region
1412		1957
1413	=over 4	1958	=over 4
…		…
1423	=cut	1968	=cut
1424		1969
1425	sub find_by_path($) {	1970	sub find_by_path($) {
1426	my ($path) = @_;	1971	my ($path) = @_;
1427		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1428	my ($match, $specificity);	1975	my ($match, $specificity);
1429		1976
1430	for my $region (list) {	1977	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1434	}	1981	}
1435	}	1982	}
1436		1983
…		…
1457	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1459		2006
1460	sub generate_random_map {	2007	sub generate_random_map {
1461	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1462	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1463	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1475	)
1476	}	2013	}
1477		2014
1478	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1479		2016
1480	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
…		…
1485		2022
1486	sub register {	2023	sub register {
1487	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	2025	my $pkg = caller;
1489		2026
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		2028
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	2030	}
1495		2031
1496	# also paths starting with '/'	2032	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		2034
1499	sub thawer_merge {	2035	sub thawer_merge {
1500	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1501		2037
1502	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1507	}	2043	}
1508		2044
1509	sub normalise {	2045	sub normalise {
1510	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1511		2047
1512	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1513		2049
1514	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1515		2051
1516	# map plan:	2052	# map plan:
1517	#	2053	#
…		…
1532	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1533	$path = "$base/$path";	2069	$path = "$base/$path";
1534	}	2070	}
1535		2071
1536	for ($path) {	2072	for ($path) {
1537	redo if s{//}{/};
1538	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1539	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1540	}	2075	}
1541		2076
1542	$path	2077	$path
…		…
1556	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1557	return $self;	2092	return $self;
1558	}	2093	}
1559	}	2094	}
1560		2095
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	2097	()
1563	}	2098	}
1564		2099
		2100	# may re-bless or do other evil things
1565	sub init {	2101	sub init {
1566	my ($self) = @_;	2102	my ($self) = @_;
1567		2103
1568	$self	2104	$self
1569	}	2105	}
…		…
1588		2124
1589	# the temporary/swap location	2125	# the temporary/swap location
1590	sub save_path {	2126	sub save_path {
1591	my ($self) = @_;	2127	my ($self) = @_;
1592		2128
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1595	}	2131	}
1596		2132
1597	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1598	sub uniq_path {	2134	sub uniq_path {
1599	my ($self) = @_;	2135	my ($self) = @_;
1600		2136
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	2139	}
1613		2140
1614	sub decay_objects {	2141	sub decay_objects {
1615	my ($self) = @_;	2142	my ($self) = @_;
1616		2143
…		…
1629		2156
1630	sub load_header_from($) {	2157	sub load_header_from($) {
1631	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1632		2159
1633	utf8::encode $path;	2160	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2162	or return;
1639		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1640	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1641		2171
1642	1	2172	1
1643	}	2173	}
1644		2174
		2175	# used to laod the header of an original map
1645	sub load_header_orig {	2176	sub load_header_orig {
1646	my ($self) = @_;	2177	my ($self) = @_;
1647		2178
1648	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1649	}	2180	}
1650		2181
		2182	# used to laod the header of an instantiated map
1651	sub load_header_temp {	2183	sub load_header_temp {
1652	my ($self) = @_;	2184	my ($self) = @_;
1653		2185
1654	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1655	}	2187	}
1656		2188
		2189	# called after loading the header from an instantiated map
1657	sub prepare_temp {	2190	sub prepare_temp {
1658	my ($self) = @_;	2191	my ($self) = @_;
1659		2192
1660	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1661	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1662	# safety	2195	# safety
1663	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1664	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1665	}	2198	}
1666		2199
		2200	# called after loading the header from an original map
1667	sub prepare_orig {	2201	sub prepare_orig {
1668	my ($self) = @_;	2202	my ($self) = @_;
1669		2203
1670	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1671	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1695		2229
1696	sub find;	2230	sub find;
1697	sub find {	2231	sub find {
1698	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1699		2233
		2234	cf::cede_to_tick;
		2235
1700	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1701		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2240
1704	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1707	or return;	2243	or return;
1708		2244
1709	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1710		2246
…		…
1712	or return;	2248	or return;
1713		2249
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1717	$map->reset;	2255	$map->reset;
1718	undef $guard;
1719	return find $path;	2256	return find $path;
1720	}	2257	}
1721		2258
1722	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1723	}	2260	}
1724	}	2261	}
1725		2262
1726	sub pre_load { }	2263	sub pre_load { }
1727	sub post_load { }	2264	#sub post_load { } # XS
1728		2265
1729	sub load {	2266	sub load {
1730	my ($self) = @_;	2267	my ($self) = @_;
1731		2268
1732	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1733		2270
1734	my $path = $self->{path};	2271	my $path = $self->{path};
1735		2272
1736	{	2273	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1738		2275
		2276	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1740
1741	$self->in_memory (cf::MAP_LOADING);
1742		2278
1743	$self->alloc;	2279	$self->alloc;
1744		2280
1745	$self->pre_load;	2281	$self->pre_load;
1746	Coro::cede;	2282	cf::cede_to_tick;
1747		2283
1748	$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)
1749	or return;	2288	or return;
1750		2289
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1752	if delete $self->{load_original};	2291	if delete $self->{load_original};
1753		2292
1754	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2294	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2297	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1759	}	2302	}
1760	}
1761		2303
1762	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;
1763	# now do the right thing for maps	2313	# now do the right thing for maps
1764	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2316	unless $self->difficulty;
1767	Coro::cede;	2317	cf::cede_to_tick;
1768		2318
1769	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2320	$self->decay_objects;
1771	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1772	$self->update_buttons;	2322	$self->update_buttons;
1773	Coro::cede;	2323	cf::cede_to_tick;
1774	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1775	Coro::cede;
1776	$self->activate;
1777	}	2325	}
1778		2326
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1780	}	2329	}
1781		2330
1782	$self->post_load;	2331	$self->post_load;
1783	}
1784		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
1785	sub customise_for {	2339	sub customise_for {
1786	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1787		2341
1788	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2343	if $self->per_player;
…		…
1792	# if $self->per_party;	2346	# if $self->per_party;
1793		2347
1794	$self	2348	$self
1795	}	2349	}
1796		2350
1797	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {
1799	my ($map) = @_;
1800
1801	my @diag; # diagonal neighbours
1802
1803	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)
1805	or next;
1806	$neigh = find $neigh, $map
1807	or next;
1808	$neigh->load;
1809
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}
1813
1814	for (@diag) {
1815	my $neigh = find @$_
1816	or next;
1817	$neigh->load;
1818	}
1819	}
1820
1821	sub find_sync {	2351	sub find_sync {
1822	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1823		2353
1824	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
1825	}	2359	}
1826		2360
1827	sub do_load_sync {	2361	sub do_load_sync {
1828	my ($map) = @_;	2362	my ($map) = @_;
1829		2363
1830	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;
1831	}	2369	}
1832		2370
1833	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1835		2373
1836	sub find_async {	2374	sub find_async {
1837	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1838		2376
1839	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1840		2378
1841	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1843	}	2381	}
1844		2382
1845	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1846	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1847	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2390	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2391	$map->load if $v;
		2392	}
1852		2393
1853	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1854	}	2395	}
1855	}	2396	}
1856	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1857	};	2398	};
1858	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1859		2400
1860	()	2401	()
1861	}	2402	}
1862		2403
		2404	# common code, used by both ->save and ->swapout
1863	sub save {	2405	sub _save {
1864	my ($self) = @_;	2406	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2407
1868	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1869		2409
1870	return unless $self->dirty;	2410	return unless $self->dirty;
1871		2411
…		…
1877	return if $self->{deny_save};	2417	return if $self->{deny_save};
1878		2418
1879	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1880		2420
1881	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1883	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1884		2427
1885	if ($uniq) {	2428	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2431	} else {
1889	$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);
1890	}	2433	}
1891	}	2434	}
1892		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1893	sub swap_out {	2444	sub swap_out {
1894	my ($self) = @_;	2445	my ($self) = @_;
1895		2446
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1901	return if $self->players;	2451	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		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
1905	$self->clear;	2462	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2463	}
1908		2464
1909	sub reset_at {	2465	sub reset_at {
1910	my ($self) = @_;	2466	my ($self) = @_;
1911		2467
…		…
1929		2485
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2487
1932	return if $self->players;	2488	return if $self->players;
1933		2489
1934	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1935		2491
1936	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1937		2493
1938	# need to save uniques path	2494	# need to save uniques path
1939	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1940	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1941		2497
…		…
1943	if $uniq;	2499	if $uniq;
1944	}	2500	}
1945		2501
1946	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1947		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2506	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2507
1952	$self->unlink_save;	2508	$self->unlink_save;
1953	$self->destroy;	2509	$self->destroy;
1954	}	2510	}
1955		2511
1956	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1957		2513
1958	sub nuke {	2514	sub nuke {
1959	my ($self) = @_;	2515	my ($self) = @_;
1960		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1961	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1962		2521
1963	$self->unlink_save;	2522	$self->unlink_save;
1964		2523
1965	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2529
1971	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1972		2532
1973	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
1974	}	2534	}
1975		2535
1976	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2018		2578
2019	sub unique_maps() {	2579	sub unique_maps() {
2020	[	2580	[
2021	map {	2581	map {
2022	utf8::decode $_;	2582	utf8::decode $_;
2023	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2024	? normalise $_	2586	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2588	]
2028	}	2589	}
2029		2590
2030	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	}
2031		2622
2032	=back	2623	=back
2033		2624
2034	=head3 cf::object	2625	=head3 cf::object
2035		2626
…		…
2039		2630
2040	=over 4	2631	=over 4
2041		2632
2042	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2043		2634
2044	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.
2045		2637
2046	=cut	2638	=cut
2047		2639
2048	sub inv_recursive_;	2640	sub inv_recursive_;
2049	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2052		2644
2053	sub inv_recursive {	2645	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2055	}	2647	}
2056		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
2057	package cf;	2677	package cf;
2058		2678
2059	=back	2679	=back
2060		2680
2061	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2067	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>
2068	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
2069	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2070		2690
2071	=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	};
2072		2706
2073	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2708	# with dialog boxes.
2075	#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
2076	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2083		2717
2084	} else {	2718	} else {
2085	my $pl = $self->contr;	2719	my $pl = $self->contr;
2086		2720
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2724
2096	} else {	2725	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2728	}
2100	}	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 (@_);
2101	}	2740	}
2102		2741
2103	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2104		2743
2105	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2118		2757
2119	=item $player_object->enter_link	2758	=item $player_object->enter_link
2120		2759
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2761
2123	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2125		2766
2126	Will never block.	2767	Will never block.
2127		2768
2128	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2129		2770
…		…
2149	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2791	my ($self) = @_;
2151		2792
2152	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2153		2794
		2795	++$self->{_link_recursion};
		2796
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2798
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2158		2801
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2803	}
2161		2804
2162	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2164		2807
…		…
2181	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2183		2826
2184	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2187		2830
2188	$map->load;	2831	$map->load;
2189	$map->load_diag;
2190		2832
2191	return unless $self->contr->active;	2833	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2834
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2196	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2197		2842
		2843	}
		2844
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2846
2200	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
2204		2855
2205	=cut	2856	=cut
2206		2857
2207	our $GOTOGEN;	2858	our $GOTOGEN;
2208		2859
2209	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2211		2868
2212	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2871
2215	$self->enter_link;	2872	$self->enter_link;
2216		2873
2217	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2218	my $map = eval {	2896	my $map = eval {
2219	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2220		2898
2221	if ($map) {	2899	if ($map) {
2222	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2902	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2904	}
2227		2905
2228	$map	2906	$map
2229	};	2907	};
2230		2908
…		…
2235		2913
2236	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2239	}	2917	}
		2918
		2919	$done->($self) if $done;
2240	})->prio (1);	2920	})->prio (1);
2241	}	2921	}
2242		2922
2243	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2244		2924
…		…
2264	}	2944	}
2265		2945
2266	sub prepare_random_map {	2946	sub prepare_random_map {
2267	my ($exit) = @_;	2947	my ($exit) = @_;
2268		2948
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2951	# that depends on the exit object
2274		2952
2275	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2955	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2282	}	2962	}
2283		2963
2284	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2285		2965
2286	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2289		2969
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2972	undef $fh;
2293	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2294		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2297	}	2981	}
2298	}	2982	}
2299		2983
2300	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2302		2986
2303	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2304		2988
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2989	$self->enter_link;
2317		2990
2318	(async {	2991	(async {
2319	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2320	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2321	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2322		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2323	1;	3030	1
2324	}) {	3031	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2329		3036
2330	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	3038	$self->leave_link;
2332	}	3039	}
2333	})->prio (1);	3040	})->prio (1);
2334	}	3041	}
2335		3042
2336	=head3 cf::client	3043	=head3 cf::client
2337		3044
2338	=over 4	3045	=over 4
2339		3046
2340	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2341		3048
2342	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2343	should not be used under normal circumstances.	3050	them as required.
2344		3051
2345	=cut	3052	=cut
2346		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2347	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2348	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2349		3058
2350	utf8::encode $text;	3059	# try lzf for large packets
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
2352	}	3061	if 1024 <= length $pkt and $self->{can_lzf};
2353		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		3073
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2357	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2360		3078
2361	=cut	3079	=cut
2362		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2363	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3203
2366	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2367		3206
2368	if ($self->can_msg) {	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		3208
2381	if ($color >= 0) {	3209	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3210	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3211	$channel = $CHANNEL{$channel};
2384	} else {	3212
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3213	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
2387	}	3221	}
2388	}
2389	}
2390	}
2391		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2392	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2393		3241
2394	Sends an exti event to the client.	3242	Sends an ext event to the client.
2395		3243
2396	=cut	3244	=cut
2397		3245
2398	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2400		3248
2401	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2402	$self->send_packet ("ext " . cf::to_json \%msg);
2403	}	3250	}
2404		3251
2405	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2406		3253
2407	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3255	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3256	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3257
2411	Queries can fail, so check the return code. Or don't, as queries will become	3258	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3259	become reliable at some point in the future.
2413		3260
2414	=cut	3261	=cut
2415		3262
2416	sub cf::client::query {	3263	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3272	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3274
2428	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our @COMMAND_FACES; # [normal commands, emotes, dm commands]
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = (
		3291	$COMMAND_FACES[0],
		3292	$COMMAND_FACES[1],
		3293	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACES[2] : ()
		3294	);
		3295
		3296	$self->send_face ($_)
		3297	for @faces;
		3298	$self->flush_fx;
		3299
		3300	$self->ext_msg (command_list => @faces);
		3301	}
		3302
		3303	=item cf::client::set_command_faces $normal_commands, $emotes, $dm_commands
		3304
		3305	=cut
		3306
		3307	sub cf::client::set_command_faces {
		3308	@COMMAND_FACES = @_;
2430	}	3309	}
2431		3310
2432	cf::client->attach (	3311	cf::client->attach (
		3312	on_connect => sub {
		3313	my ($ns) = @_;
		3314
		3315	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3316	},
2433	on_reply => sub {	3317	on_reply => sub {
2434	my ($ns, $msg) = @_;	3318	my ($ns, $msg) = @_;
2435		3319
2436	# this weird shuffling is so that direct followup queries	3320	# this weird shuffling is so that direct followup queries
2437	# get handled first	3321	# get handled first
…		…
2449	} else {	3333	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3334	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3335	}
2452	}	3336	}
2453	},	3337	},
		3338	on_exticmd => sub {
		3339	my ($ns, $buf) = @_;
		3340
		3341	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3342
		3343	if (ref $msg) {
		3344	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3345
		3346	if (my $cb = $EXTIACMD{$type}) {
		3347	$cb->(
		3348	$ns,
		3349	sub {
		3350	$ns->ext_msg ("reply-$reply", @_)
		3351	if $reply;
		3352	},
		3353	@payload
		3354	);
		3355	} else {
		3356	my @reply;
		3357
		3358	if (my $cb = $EXTICMD{$type}) {
		3359	@reply = $cb->($ns, @payload);
		3360	}
		3361
		3362	$ns->ext_msg ("reply-$reply", @reply)
		3363	if $reply;
		3364	}
		3365	} else {
		3366	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3367	}
		3368
		3369	cf::override;
		3370	},
2454	);	3371	);
2455		3372
2456	=item $client->async (\&cb)	3373	=item $client->async (\&cb)
2457		3374
2458	Create a new coroutine, running the specified callback. The coroutine will	3375	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3391
2475	$coro	3392	$coro
2476	}	3393	}
2477		3394
2478	cf::client->attach (	3395	cf::client->attach (
2479	on_destroy => sub {	3396	on_client_destroy => sub {
2480	my ($ns) = @_;	3397	my ($ns) = @_;
2481		3398
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3399	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3400	},
2484	);	3401	);
…		…
2499	our $safe = new Safe "safe";	3416	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3417	our $safe_hole = new Safe::Hole;
2501		3418
2502	$SIG{FPE} = 'IGNORE';	3419	$SIG{FPE} = 'IGNORE';
2503		3420
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3421	$safe->permit_only (Opcode::opset qw(
		3422	:base_core :base_mem :base_orig :base_math :base_loop
		3423	grepstart grepwhile mapstart mapwhile
		3424	sort time
		3425	));
2505		3426
2506	# here we export the classes and methods available to script code	3427	# here we export the classes and methods available to script code
2507		3428
2508	=pod	3429	=pod
2509		3430
2510	The following functions and methods are available within a safe environment:	3431	The following functions and methods are available within a safe environment:
2511		3432
2512	cf::object contr pay_amount pay_player map	3433	cf::object
		3434	contr pay_amount pay_player map x y force_find force_add destroy
		3435	insert remove name archname title slaying race decrease split
		3436	value
		3437
2513	cf::object::player player	3438	cf::object::player
2514	cf::player peaceful	3439	player
2515	cf::map trigger	3440
		3441	cf::player
		3442	peaceful
		3443
		3444	cf::map
		3445	trigger
2516		3446
2517	=cut	3447	=cut
2518		3448
2519	for (	3449	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3450	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3451	insert remove inv nrof name archname title slaying race
		3452	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3453	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3454	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3455	["cf::map" => qw(trigger)],
2524	) {	3456	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3457	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3458	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3459	for @funs;
2529	}	3460	}
2530		3461
…		…
2545		3476
2546	my $qcode = $code;	3477	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3478	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3479	$qcode =~ s/\n/\\n/g;
2549		3480
		3481	%vars = (_dummy => 0) unless %vars;
		3482
		3483	my @res;
2550	local $_;	3484	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3485
2553	my $eval =	3486	my $eval =
2554	"do {\n"	3487	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3488	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3489	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3490	. $code
2558	. "\n}"	3491	. "\n}"
2559	;	3492	;
2560		3493
		3494	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3495	sub_generation_inc;
		3496	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3497	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3498	sub_generation_inc;
		3499	} else {
		3500	local @cf::_safe_eval_args = values %vars;
		3501	@res = wantarray ? eval eval : scalar eval $eval;
		3502	}
2564		3503
2565	if ($@) {	3504	if ($@) {
2566	warn "$@";	3505	warn "$@",
2567	warn "while executing safe code '$code'\n";	3506	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3507	"with arguments " . (join " ", %vars) . "\n";
2569	}	3508	}
2570		3509
2571	wantarray ? @res : $res[0]	3510	wantarray ? @res : $res[0]
2572	}	3511	}
2573		3512
…		…
2587	=cut	3526	=cut
2588		3527
2589	sub register_script_function {	3528	sub register_script_function {
2590	my ($fun, $cb) = @_;	3529	my ($fun, $cb) = @_;
2591		3530
2592	no strict 'refs';	3531	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3532	*$fun = $safe_hole->wrap ($cb);
2594	}	3533	}
2595		3534
2596	=back	3535	=back
2597		3536
2598	=cut	3537	=cut
2599		3538
2600	#############################################################################	3539	#############################################################################
2601	# the server's init and main functions	3540	# the server's init and main functions
2602		3541
		3542	{
		3543	package cf::face;
		3544
		3545	our %HASH; # hash => idx
		3546	our @DATA; # dynamically-created facedata, only faceste 0 used
		3547	our @FOFS; # file offset, if > 0
		3548	our @SIZE; # size of face, in octets
		3549	our @META; # meta hash of face, if any
		3550	our $DATAFH; # facedata filehandle
		3551
		3552	# internal api, not finalised
		3553	sub set {
		3554	my ($name, $type, $data) = @_;
		3555
		3556	my $idx = cf::face::find $name;
		3557
		3558	if ($idx) {
		3559	delete $HASH{cf::face::get_csum $idx};
		3560	} else {
		3561	$idx = cf::face::alloc $name;
		3562	}
		3563
		3564	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3565
		3566	cf::face::set_type $idx, $type;
		3567	cf::face::set_csum $idx, 0, $hash;
		3568
		3569	# we need to destroy the SV itself, not just modify it, as a running ix
		3570	# might hold a reference to it: "delete" achieves that.
		3571	delete $FOFS[0][$idx];
		3572	delete $DATA[0][$idx];
		3573	$DATA[0][$idx] = $data;
		3574	$SIZE[0][$idx] = length $data;
		3575	delete $META[$idx];
		3576	$HASH{$hash} = $idx;#d#
		3577
		3578	$idx
		3579	}
		3580
		3581	sub _get_data($$$) {
		3582	my ($idx, $set, $cb) = @_;
		3583
		3584	if (defined $DATA[$set][$idx]) {
		3585	$cb->($DATA[$set][$idx]);
		3586	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3587	my $size = $SIZE[$set][$idx];
		3588	my $buf;
		3589	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3590	if ($_[0] == $size) {
		3591	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3592	$cb->($buf);
		3593	} else {
		3594	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3595	}
		3596	};
		3597	} else {
		3598	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3599	}
		3600	}
		3601
		3602	# rather ineffient
		3603	sub cf::face::get_data($;$) {
		3604	my ($idx, $set) = @_;
		3605
		3606	_get_data $idx, $set, Coro::rouse_cb;
		3607	Coro::rouse_wait
		3608	}
		3609
		3610	sub cf::face::ix {
		3611	my ($ns, $set, $idx, $pri) = @_;
		3612
		3613	_get_data $idx, $set, sub {
		3614	$ns->ix_send ($idx, $pri, $_[0]);
		3615	};
		3616	}
		3617	}
		3618
2603	sub load_facedata($) {	3619	sub load_facedata($) {
2604	my ($path) = @_;	3620	my ($path) = @_;
2605		3621
		3622	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3623
2606	warn "loading facedata from $path\n";	3624	trace "loading facedata from $path\n";
2607		3625
2608	my $facedata;	3626	my $facedata = decode_storable load_file "$path/faceinfo";
2609	0 < aio_load $path, $facedata
2610	or die "$path: $!";
2611
2612	$facedata = Coro::Storable::thaw $facedata;
2613		3627
2614	$facedata->{version} == 2	3628	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3629	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3630
		3631	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3632	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3633
		3634	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3635
		3636	# BEGIN ATOMIC
		3637	# from here on, everything must be atomic - no thread switch allowed
		3638	my $t1 = EV::time;
2616		3639
2617	{	3640	{
2618	my $faces = $facedata->{faceinfo};	3641	my $faces = $facedata->{faceinfo};
2619		3642
2620	while (my ($face, $info) = each %$faces) {	3643	for my $face (sort keys %$faces) {
		3644	my $info = $faces->{$face};
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3645	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3646
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3647	cf::face::set_visibility $idx, $info->{visibility};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3648	cf::face::set_magicmap $idx, $info->{magicmap};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3649	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2625	Coro::cede;	3650	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3651	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3652	$cf::face::HASH{$info->{hash64}} = $idx;
		3653	delete $cf::face::META[$idx];
2626	}	3654	}
2627		3655
2628	while (my ($face, $info) = each %$faces) {	3656	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3657	next unless $info->{smooth};
		3658
2630	my $idx = cf::face::find $face	3659	my $idx = cf::face::find $face
2631	or next;	3660	or next;
		3661
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3662	if (my $smooth = cf::face::find $info->{smooth}) {
		3663	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3664	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3665	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3666	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3667	}
2637	Coro::cede;
2638	}	3668	}
2639	}	3669	}
2640		3670
2641	{	3671	{
2642	my $anims = $facedata->{animinfo};	3672	my $anims = $facedata->{animinfo};
2643		3673
2644	while (my ($anim, $info) = each %$anims) {	3674	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3675	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;
2647	}	3676	}
2648		3677
2649	cf::anim::invalidate_all; # d'oh	3678	cf::anim::invalidate_all; # d'oh
2650	}	3679	}
2651		3680
		3681	{
		3682	my $res = $facedata->{resource};
		3683
		3684	while (my ($name, $info) = each %$res) {
		3685	if (defined (my $type = $info->{type})) {
		3686	# TODO: different hash - must free and use new index, or cache ixface data queue
		3687	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3688
		3689	cf::face::set_type $idx, $type;
		3690	cf::face::set_csum $idx, 0, $info->{hash};
		3691	$cf::face::SIZE[0][$idx] = $info->{size};
		3692	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3693	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3694	$cf::face::HASH{$info->{hash}} = $idx;
		3695	} else {
		3696	# $RESOURCE{$name} = $info; # unused
		3697	}
		3698	}
		3699	}
		3700
		3701	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3702
		3703	# HACK to clear player env face cache, we need some signal framework
		3704	# for this (global event?)
		3705	%ext::player_env::MUSIC_FACE_CACHE = ();
		3706
		3707	# END ATOMIC
		3708
		3709	cf::debug "facedata atomic update time ", EV::time - $t1;
		3710
		3711	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3712
		3713	aio_close $fh if $fh; # close old facedata
		3714
2652	1	3715	1
2653	}	3716	}
2654		3717
		3718	register_exticmd fx_want => sub {
		3719	my ($ns, $want) = @_;
		3720
		3721	while (my ($k, $v) = each %$want) {
		3722	$ns->fx_want ($k, $v);
		3723	}
		3724	};
		3725
		3726	sub load_resource_file($) {
		3727	my $guard = lock_acquire "load_resource_file";
		3728
		3729	my $status = load_resource_file_ $_[0];
		3730	get_slot 0.1, 100;
		3731	cf::arch::commit_load;
		3732
		3733	$status
		3734	}
		3735
		3736	sub reload_exp_table {
		3737	_reload_exp_table;
		3738
		3739	cf::face::set
		3740	"res/exp_table" => FT_RSRC,
		3741	JSON::XS->new->utf8->canonical->encode (
		3742	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3743	);
		3744	}
		3745
		3746	sub reload_materials {
		3747	_reload_materials;
		3748	}
		3749
2655	sub reload_regions {	3750	sub reload_regions {
		3751	# HACK to clear player env face cache, we need some signal framework
		3752	# for this (global event?)
		3753	%ext::player_env::MUSIC_FACE_CACHE = ();
		3754
2656	load_resource_file "$MAPDIR/regions"	3755	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3756	or die "unable to load regions file\n";
		3757
		3758	for (cf::region::list) {
		3759	$_->{match} = qr/$_->{match}/
		3760	if exists $_->{match};
		3761	}
2658	}	3762	}
2659		3763
2660	sub reload_facedata {	3764	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3765	load_facedata $DATADIR
2662	or die "unable to load facedata\n";	3766	or die "unable to load facedata\n";
2663	}	3767	}
2664		3768
2665	sub reload_archetypes {	3769	sub reload_archetypes {
2666	load_resource_file "$DATADIR/archetypes"	3770	load_resource_file "$DATADIR/archetypes"
2667	or die "unable to load archetypes\n";	3771	or die "unable to load archetypes\n";
		3772
		3773	cf::face::set
		3774	"res/skill_info" => FT_RSRC,
		3775	JSON::XS->new->utf8->canonical->encode (
		3776	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3777	);
		3778
		3779	cf::face::set
		3780	"res/spell_paths" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3783	);
2668	}	3784	}
2669		3785
2670	sub reload_treasures {	3786	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3787	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3788	or die "unable to load treasurelists\n";
2673	}	3789	}
2674		3790
		3791	sub reload_sound {
		3792	trace "loading sound config from $DATADIR/sound\n";
		3793
		3794	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3795
		3796	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3797	my $sound = $soundconf->{compat}[$_]
		3798	or next;
		3799
		3800	my $face = cf::face::find "sound/$sound->[1]";
		3801	cf::sound::set $sound->[0] => $face;
		3802	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3803	}
		3804
		3805	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3806	my $face = cf::face::find "sound/$v";
		3807	cf::sound::set $k => $face;
		3808	}
		3809	}
		3810
2675	sub reload_resources {	3811	sub reload_resources {
2676	warn "reloading resource files...\n";	3812	trace "reloading resource files...\n";
2677		3813
		3814	reload_materials;
		3815	reload_facedata;
		3816	reload_exp_table;
		3817	reload_sound;
		3818	reload_archetypes;
2678	reload_regions;	3819	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3820	reload_treasures;
2683		3821
2684	warn "finished reloading resource files\n";	3822	trace "finished reloading resource files\n";
2685	}	3823	}
2686		3824
2687	sub init {	3825	sub reload_config {
2688	reload_resources;	3826	trace "reloading config file...\n";
2689	}
2690		3827
2691	sub cfg_load {	3828	my $config = load_file "$CONFDIR/config";
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3829	utf8::decode $config;
2693	or return;	3830	*CFG = decode_yaml $config;
2694		3831
2695	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;
2697
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3832	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3833
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3834	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3835	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3836
2703	if (exists $CFG{mlockall}) {	3837	if (exists $CFG{mlockall}) {
…		…
2707	};	3841	};
2708	warn $@ if $@;	3842	warn $@ if $@;
2709	}	3843	}
2710	}	3844	}
2711		3845
		3846	sub pidfile() {
		3847	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3848	or die "$PIDFILE: $!";
		3849	flock $fh, &Fcntl::LOCK_EX
		3850	or die "$PIDFILE: flock: $!";
		3851	$fh
		3852	}
		3853
		3854	# make sure only one server instance is running at any one time
		3855	sub atomic {
		3856	my $fh = pidfile;
		3857
		3858	my $pid = <$fh>;
		3859	kill 9, $pid if $pid > 0;
		3860
		3861	seek $fh, 0, 0;
		3862	print $fh $$;
		3863	}
		3864
		3865	sub main_loop {
		3866	trace "EV::loop starting\n";
		3867	if (1) {
		3868	EV::loop;
		3869	}
		3870	trace "EV::loop returned\n";
		3871	goto &main_loop unless $REALLY_UNLOOP;
		3872	}
		3873
2712	sub main {	3874	sub main {
		3875	cf::init_globals; # initialise logging
		3876
		3877	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3878	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3879	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3880	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3881
		3882	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3883
2713	# we must not ever block the main coroutine	3884	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3885	$Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3886	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3887	(async {
2717	Event::one_event;	3888	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3889	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3890	})->prio (Coro::PRIO_MAX);
2719	};	3891	};
2720		3892
2721	cfg_load;	3893	evthread_start IO::AIO::poll_fileno;
		3894
		3895	cf::sync_job {
		3896	cf::incloader::init ();
		3897
2722	db_init;	3898	db_init;
		3899
		3900	cf::init_anim;
		3901	cf::init_attackmess;
		3902	cf::init_dynamic;
		3903
		3904	cf::load_settings;
		3905
		3906	reload_resources;
		3907	reload_config;
		3908
		3909	cf::init_uuid;
		3910	cf::init_signals;
		3911	cf::init_skills;
		3912
		3913	cf::init_beforeplay;
		3914
		3915	atomic;
		3916
2723	load_extensions;	3917	load_extensions;
2724		3918
2725	$TICK_WATCHER->start;	3919	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3920
		3921	# no (long-running) fork's whatsoever before this point(!)
		3922	use POSIX ();
		3923	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3924
		3925	cf::_post_init 0;
		3926	};
		3927
		3928	cf::object::thawer::errors_are_fatal 0;
		3929	info "parse errors in files are no longer fatal from this point on.\n";
		3930
		3931	AE::postpone {
		3932	undef &main; # free gobs of memory :)
		3933	};
		3934
		3935	goto &main_loop;
2727	}	3936	}
2728		3937
2729	#############################################################################	3938	#############################################################################
2730	# initialisation and cleanup	3939	# initialisation and cleanup
2731		3940
2732	# install some emergency cleanup handlers	3941	# install some emergency cleanup handlers
2733	BEGIN {	3942	BEGIN {
		3943	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3944	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3945	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3946	cf::cleanup "SIG$signal";
2742	},
2743	);	3947	};
2744	}	3948	}
2745	}	3949	}
2746		3950
2747	sub write_runtime {	3951	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3952	my $t0 = AE::time;
2749		3953
2750	# first touch the runtime file to show we are still running:	3954	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3955	# the fsync below can take a very very long time.
2752		3956
2753	IO::AIO::aio_utime $runtime, undef, undef;	3957	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3958
2755	my $guard = cf::lock_acquire "write_runtime";	3959	my $guard = cf::lock_acquire "write_runtime";
2756		3960
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3961	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3962	or return;
2759		3963
2760	my $value = $cf::RUNTIME + 90 + 10;	3964	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3965	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3966	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3976	aio_utime $fh, undef, undef;
2773		3977
2774	close $fh	3978	close $fh
2775	or return;	3979	or return;
2776		3980
2777	aio_rename "$runtime~", $runtime	3981	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3982	and return;
2779		3983
2780	warn "runtime file written.\n";	3984	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3985
2782	1	3986	1
		3987	}
		3988
		3989	our $uuid_lock;
		3990	our $uuid_skip;
		3991
		3992	sub write_uuid_sync($) {
		3993	$uuid_skip ||= $_[0];
		3994
		3995	return if $uuid_lock;
		3996	local $uuid_lock = 1;
		3997
		3998	my $uuid = "$LOCALDIR/uuid";
		3999
		4000	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4001	or return;
		4002
		4003	my $value = uuid_seq uuid_cur;
		4004
		4005	unless ($value) {
		4006	info "cowardly refusing to write zero uuid value!\n";
		4007	return;
		4008	}
		4009
		4010	my $value = uuid_str $value + $uuid_skip;
		4011	$uuid_skip = 0;
		4012
		4013	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4014	and return;
		4015
		4016	# always fsync - this file is important
		4017	aio_fsync $fh
		4018	and return;
		4019
		4020	close $fh
		4021	or return;
		4022
		4023	aio_rename "$uuid~", $uuid
		4024	and return;
		4025
		4026	trace "uuid file written ($value).\n";
		4027
		4028	1
		4029
		4030	}
		4031
		4032	sub write_uuid($$) {
		4033	my ($skip, $sync) = @_;
		4034
		4035	$sync ? write_uuid_sync $skip
		4036	: async { write_uuid_sync $skip };
2783	}	4037	}
2784		4038
2785	sub emergency_save() {	4039	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	4040	my $freeze_guard = cf::freeze_mainloop;
2787		4041
2788	warn "enter emergency perl save\n";	4042	info "emergency_perl_save: enter\n";
		4043
		4044	# this is a trade-off: we want to be very quick here, so
		4045	# save all maps without fsync, and later call a global sync
		4046	# (which in turn might be very very slow)
		4047	local $USE_FSYNC = 0;
2789		4048
2790	cf::sync_job {	4049	cf::sync_job {
		4050	cf::write_runtime_sync; # external watchdog should not bark
		4051
2791	# use a peculiar iteration method to avoid tripping on perl	4052	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	4053	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	4054	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	4055	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	4056	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	4057	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	4058	$pl->valid or next;
		4059	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	4060	$pl->save;
2799	}	4061	}
2800	warn "end emergency player save\n";	4062	info "emergency_perl_save: end player save\n";
2801		4063
2802	warn "begin emergency map save\n";	4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	4067	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	4068	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	4069	$map->valid or next;
2806	$map->save;	4070	$map->save;
2807	}	4071	}
2808	warn "end emergency map save\n";	4072	info "emergency_perl_save: end map save\n";
2809		4073
2810	warn "begin emergency database checkpoint\n";	4074	cf::write_runtime_sync; # external watchdog should not bark
		4075
		4076	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	4077	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	4078	info "emergency_perl_save: end database checkpoint\n";
		4079
		4080	info "emergency_perl_save: begin write uuid\n";
		4081	write_uuid_sync 1;
		4082	info "emergency_perl_save: end write uuid\n";
		4083
		4084	cf::write_runtime_sync; # external watchdog should not bark
		4085
		4086	trace "emergency_perl_save: syncing database to disk";
		4087	BDB::db_env_txn_checkpoint $DB_ENV;
		4088
		4089	info "emergency_perl_save: starting sync\n";
		4090	IO::AIO::aio_sync sub {
		4091	info "emergency_perl_save: finished sync\n";
		4092	};
		4093
		4094	cf::write_runtime_sync; # external watchdog should not bark
		4095
		4096	trace "emergency_perl_save: flushing outstanding aio requests";
		4097	while (IO::AIO::nreqs || BDB::nreqs) {
		4098	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4099	}
		4100
		4101	cf::write_runtime_sync; # external watchdog should not bark
2813	};	4102	};
2814		4103
2815	warn "leave emergency perl save\n";	4104	info "emergency_perl_save: leave\n";
2816	}	4105	}
2817		4106
2818	sub post_cleanup {	4107	sub post_cleanup {
2819	my ($make_core) = @_;	4108	my ($make_core) = @_;
2820		4109
		4110	IO::AIO::flush;
		4111
2821	warn Carp::longmess "post_cleanup backtrace"	4112	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	4113	if $make_core;
		4114
		4115	my $fh = pidfile;
		4116	unlink $PIDFILE if <$fh> == $$;
		4117	}
		4118
		4119	# a safer delete_package, copied from Symbol
		4120	sub clear_package($) {
		4121	my $pkg = shift;
		4122
		4123	# expand to full symbol table name if needed
		4124	unless ($pkg =~ /^main::.*::$/) {
		4125	$pkg = "main$pkg" if $pkg =~ /^::/;
		4126	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4127	$pkg .= '::' unless $pkg =~ /::$/;
		4128	}
		4129
		4130	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4131	my $stem_symtab = *{$stem}{HASH};
		4132
		4133	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4134	or return;
		4135
		4136	# clear all symbols
		4137	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4138	for my $name (keys %$leaf_symtab) {
		4139	_gv_clear *{"$pkg$name"};
		4140	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4141	}
2823	}	4142	}
2824		4143
2825	sub do_reload_perl() {	4144	sub do_reload_perl() {
2826	# can/must only be called in main	4145	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	4146	unless (in_main) {
2828	warn "can only reload from main coroutine";	4147	error "can only reload from main coroutine";
2829	return;	4148	return;
2830	}	4149	}
2831		4150
2832	warn "reloading...";	4151	return if $RELOAD++;
2833		4152
2834	warn "entering sync_job";	4153	my $t1 = AE::time;
2835		4154
		4155	while ($RELOAD) {
		4156	cf::get_slot 0.1, -1, "reload_perl";
		4157	info "perl_reload: reloading...";
		4158
		4159	trace "perl_reload: entering sync_job";
		4160
2836	cf::sync_job {	4161	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	4162	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		4163
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	4164	trace "perl_reload: cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	4165	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	4166	%EXT_CORO = ();
2865		4167
2866	warn "removing commands";	4168	trace "perl_reload: removing commands";
2867	%COMMAND = ();	4169	%COMMAND = ();
2868		4170
2869	warn "removing ext commands";	4171	trace "perl_reload: removing ext/exti commands";
2870	%EXTCMD = ();	4172	%EXTCMD = ();
		4173	%EXTICMD = ();
2871		4174
2872	warn "unloading/nuking all extensions";	4175	trace "perl_reload: unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	4176	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	4177	trace "... unloading $pkg";
2875		4178
2876	if (my $cb = $pkg->can ("unload")) {	4179	if (my $cb = $pkg->can ("unload")) {
2877	eval {	4180	eval {
2878	$cb->($pkg);	4181	$cb->($pkg);
2879	1	4182	1
2880	} or warn "$pkg unloaded, but with errors: $@";	4183	} or error "$pkg unloaded, but with errors: $@";
		4184	}
		4185
		4186	trace "... clearing $pkg";
		4187	clear_package $pkg;
2881	}	4188	}
2882		4189
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	4190	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	4191	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		4193
2891	warn "... unloading $k";	4194	trace "... unloading $k";
2892	delete $INC{$k};	4195	delete $INC{$k};
2893		4196
2894	$k =~ s/\.pm$//;	4197	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	4198	$k =~ s/\//::/g;
2896		4199
2897	if (my $cb = $k->can ("unload_module")) {	4200	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	4201	$cb->();
		4202	}
		4203
		4204	clear_package $k;
2899	}	4205	}
2900		4206
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	4207	trace "perl_reload: getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	4208	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		4210
2908	warn "unloading cf.pm \"a bit\"";	4211	trace "perl_reload: unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	4212	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	4213	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		4214
2912	# don't, removes xs symbols, too,	4215	# don't, removes xs symbols, too,
2913	# and global variables created in xs	4216	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	4217	#clear_package __PACKAGE__;
2915		4218
2916	warn "unload completed, starting to reload now";	4219	info "perl_reload: unload completed, starting to reload now";
2917		4220
2918	warn "reloading cf.pm";	4221	trace "perl_reload: reloading cf.pm";
2919	require cf;	4222	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4223	cf::_connect_to_perl_1;
2921		4224
2922	warn "loading config and database again";	4225	trace "perl_reload: loading config and database again";
2923	cf::cfg_load;	4226	cf::reload_config;
2924		4227
2925	warn "loading extensions";	4228	trace "perl_reload: loading extensions";
2926	cf::load_extensions;	4229	cf::load_extensions;
2927		4230
		4231	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	4232	trace "perl_reload: reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	4233	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	4234	trace "perl_reload: reattaching attachments to maps";
2931	reattach $_ for values %MAP;	4235	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	4236	trace "perl_reload: reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	4237	reattach $_ for values %PLAYER;
		4238	}
2934		4239
2935	warn "leaving sync_job";	4240	cf::_post_init 1;
2936		4241
		4242	trace "perl_reload: leaving sync_job";
		4243
2937	1	4244	1
2938	} or do {	4245	} or do {
2939	warn $@;	4246	error $@;
2940	warn "error while reloading, exiting.";	4247	cf::cleanup "perl_reload: error, exiting.";
2941	exit 1;	4248	};
		4249
		4250	--$RELOAD;
2942	};	4251	}
2943		4252
2944	warn "reloaded";	4253	$t1 = AE::time - $t1;
		4254	info "perl_reload: completed in ${t1}s\n";
2945	};	4255	};
2946		4256
2947	our $RELOAD_WATCHER; # used only during reload	4257	our $RELOAD_WATCHER; # used only during reload
2948		4258
2949	sub reload_perl() {	4259	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4260	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4261	# coro crashes during coro_state_free->destroy here.
2952		4262
2953	$RELOAD_WATCHER ||= Event->timer (	4263	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4264	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4265
2956	data => WF_AUTOCANCEL,	4266	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4267	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4268	undef $RELOAD_WATCHER;
2960	},	4269	};
2961	);	4270	};
2962	}	4271	}
2963		4272
2964	register_command "reload" => sub {	4273	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4274	my ($who, $arg) = @_;
2966		4275
2967	if ($who->flag (FLAG_WIZ)) {	4276	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4277	$who->message ("reloading server.");
		4278	async {
		4279	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4280	reload_perl;
		4281	};
2970	}	4282	}
2971	};	4283	};
2972		4284
2973	unshift @INC, $LIBDIR;	4285	#############################################################################
2974		4286
2975	my $bug_warning = 0;	4287	my $bug_warning = 0;
2976		4288
2977	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;
2979
2980	sub wait_for_tick {	4289	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;	4290	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2982	return if $Coro::current == $Coro::main;
2983		4291
2984	my $signal = new Coro::Signal;	4292	$WAIT_FOR_TICK->wait;
2985	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;
2987	}	4293	}
2988		4294
2989	sub wait_for_tick_begin {	4295	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;	4296	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2991	return if $Coro::current == $Coro::main;
2992		4297
2993	my $signal = new Coro::Signal;	4298	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4299	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4300	$signal->wait;
2996	}	4301	}
2997		4302
2998	my $min = 1e6;#d#	4303	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4304	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4305	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4306	unless ++$bug_warning > 10;
3010	return;	4307	return;
3011	}	4308	}
3012		4309
3013	$NOW = $tick_start = Event::time;	4310	cf::one_tick; # one server iteration
3014		4311
3015	cf::server_tick; # one server iteration	4312	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3016		4313
3017	0 && sync_job {#d#	4314	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018	for(1..10) {	4315	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019	my $t = Event::time;	4316	Coro::async_pool {
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4317	$Coro::current->{desc} = "runtime saver";
3021	or die;	4318	write_runtime_sync
3022		4319	or error "ERROR: unable to write runtime file: $!";
3023	$map->width (50);
3024	$map->height (50);
3025	$map->alloc;
3026	$map->_load_objects ("/tmp/x.map", 1);
3027	my $t = Event::time - $t;
3028
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4320	};
		4321	}
3039		4322
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4323	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4324	$sig->send;
3056	}	4325	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4326	$WAIT_FOR_TICK->broadcast;
3058	$sig->send;
3059	}
3060		4327
3061	$NOW = Event::time;	4328	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4329	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4330
3072	_post_tick;	4331	if (0) {
3073		4332	if ($NEXT_TICK) {
3074		4333	my $jitter = $TICK_START - $NEXT_TICK;
		4334	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4335	debug "jitter $JITTER\n";#d#
		4336	}
3075	},	4337	}
3076	);	4338	}
3077		4339
3078	{	4340	{
3079	BDB::max_poll_time $TICK * 0.1;	4341	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4342	info "initialising database";
3081	reentrant => 0,	4343
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4344	BDB::min_parallel 16;
3089		4345	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4346	#$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4347
3105	unless ($DB_ENV) {	4348	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4349	$DB_ENV = BDB::db_env_create;
		4350	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4351	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4352	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4353	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4354	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4355
3108	cf::sync_job {	4356	cf::sync_job {
3109	eval {	4357	eval {
3110	BDB::db_env_open	4358	BDB::db_env_open
3111	$DB_ENV,	4359	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4361	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4362	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4363	0666;
3116		4364
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4365	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4366	};
3122		4367
3123	cf::cleanup "db_env_open(db): $@" if $@;	4368	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4369	};
3125	}	4370	}
		4371
		4372	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4373	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4374	};
		4375	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4376	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4377	};
		4378	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4379	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4380	};
		4381
		4382	info "database initialised";
3126	}	4383	}
3127		4384
3128	{	4385	{
		4386	# configure IO::AIO
		4387
		4388	info "initialising aio";
3129	IO::AIO::min_parallel 8;	4389	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4390	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4391	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,	4392	info "aio initialised";
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4393	}
3142		4394
3143	my $_log_backtrace;	4395	our $_log_backtrace;
		4396	our $_log_backtrace_last;
3144		4397
3145	sub _log_backtrace {	4398	sub _log_backtrace {
3146	my ($msg, @addr) = @_;	4399	my ($msg, @addr) = @_;
3147		4400
3148	$msg =~ s/\n//;	4401	$msg =~ s/\n$//;
3149		4402
		4403	if ($_log_backtrace_last eq $msg) {
		4404	LOG llevInfo, "[ABT] $msg\n";
		4405	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3150	# limit the # of concurrent backtraces	4406	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4407	} elsif ($_log_backtrace < 2) {
		4408	$_log_backtrace_last = $msg;
3152	++$_log_backtrace;	4409	++$_log_backtrace;
		4410	my $perl_bt = Carp::longmess $msg;
3153	async {	4411	async {
		4412	$Coro::current->{desc} = "abt $msg";
		4413
3154	my @bt = fork_call {	4414	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4415	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4416	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4417	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4418	or die "addr2line: $!";
…		…
3166	}	4426	}
3167		4427
3168	@funcs	4428	@funcs
3169	};	4429	};
3170		4430
3171	LOG llevInfo, "[ABT] $msg\n";	4431	LOG llevInfo, "[ABT] $perl_bt\n";
		4432	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4433	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4434	--$_log_backtrace;
3174	};	4435	};
3175	} else {	4436	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4437	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4438	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3178	}	4439	}
3179	}	4440	}
3180		4441
3181	# load additional modules	4442	# load additional modules
3182	use cf::pod;	4443	require "cf/$_.pm" for @EXTRA_MODULES;
		4444	cf::_connect_to_perl_2;
3183		4445
3184	END { cf::emergency_save }	4446	END { cf::emergency_save }
3185		4447
3186	1	4448	1
3187		4449

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