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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 2007 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 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 ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
34	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
35		67
36	# configure various modules to our taste	68	# configure various modules to our taste
37	#	69	#
38	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		78
42	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
43		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		81
49	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;
50		85
51	our %COMMAND = ();	86	our %COMMAND = ();
52	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
53		88
54	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
59		96
60	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
64	our $DATADIR = datadir;	104	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
68	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		125
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	144	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		145
83	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
94		149
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		152
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
101		165
102	binmode STDOUT;	166	binmode STDOUT;
103	binmode STDERR;	167	binmode STDERR;
104		168
105	# read virtual server time, if available	169	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
110	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
111		177
112	mkdir $_	178	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		180
115	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
116		182
117	sub cf::map::normalise;	183	sub cf::map::normalise;
118		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
119	#############################################################################	189	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
122		203
123	=over 4	204	=over 4
124		205
125	=item $cf::UPTIME	206	=item $cf::UPTIME
126		207
127	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.
128		224
129	=item $cf::RUNTIME	225	=item $cf::RUNTIME
130		226
131	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
132	every server tick.	228	every server tick.
133		229
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		233
138	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
141	database environment.	237	database environment.
142		238
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	239	=item $cf::LOADAVG
152		240
153	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
158		246
159	The raw value load value from the last tick.	247	The raw value load value from the last tick.
160		248
161	=item %cf::CFG	249	=item %cf::CFG
162		250
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	252	from wherever your confdir points to.
165		253
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		255
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
171		277
172	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
173		279
174	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	282	that call.
177		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.
		289
178	=back	290	=back
179		291
180	=cut	292	=cut
181		293
182	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	301	my $msg = join "", @_;
185		302
186	$msg .= "\n"	303	$msg .= "\n"
187	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
188		305
189	$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;
190		307
191	utf8::encode $msg;
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	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	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[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	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
276	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
277	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
278		529
279	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
280		531
281	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.
282		533
283	=cut	534	=cut
284		535
285	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
286		537
287	sub lock_wait($) {	538	sub lock_wait($) {
288	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	540	}
296		541
297	sub lock_acquire($) {	542	sub lock_acquire($) {
298	my ($key) = @_;	543	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	544	}
310		545
311	sub lock_active($) {	546	sub lock_active($) {
312	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	548	}
316		549
317	sub freeze_mainloop {	550	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
319		552
320	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
322	};	623	}
323	$TICK_WATCHER->stop;	624	};
324	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
325	}	639	}
326		640
327	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
328		642
329	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		648
335	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
336		650
337	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
338		652
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	656	acceptable.
343		657
344	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	663	=cut
350		664
351	sub sync_job(&) {	665	sub sync_job(&) {
352	my ($job) = @_;	666	my ($job) = @_;
353		667
354	if ($Coro::current == $Coro::main) {	668	if (in_main) {
355	my $time = Event::time;	669	my $time = AE::time;
356		670
357	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
359		673
360	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	675
362	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
363		677
364	my $busy = 1;	678	my $busy = 1;
365	my @res;	679	my @res;
366		680
367	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	683	@res = eval { $job->() };
369	warn $@ if $@;	684	error $@ if $@;
370	undef $busy;	685	undef $busy;
371	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
372		687
373	while ($busy) {	688	while ($busy) {
374	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
375	}	693	}
		694	}
376		695
377	$time = Event::time - $time;	696	my $time = AE::time - $time;
378		697
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
383		699
384	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
385	} else {	701	} else {
386	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
387		703
…		…
407	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
408		724
409	$coro	725	$coro
410	}	726	}
411		727
412	=item fork_call { }, $args	728	=item fork_call { }, @args
413		729
414	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
415	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
418		734
419	=cut	735	=cut
420		736
421	sub _store_scalar {	737	sub post_fork {
422	open my $fh, ">", \my $buf	738	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	739	}
429		740
430	sub fork_call(&@) {	741	sub fork_call(&@) {
431	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
432		743
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
434	# or die "socketpair: $!";	745	cf::post_fork;
435	pipe my $fh1, my $fh2	746	&$cb
436	or die "pipe: $!";	747	} @args;
437		748
438	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
439	close $fh2;	750	}
440		751
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	788	}
473		789
474	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
475		791
476	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
479		795
480	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
481	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).
482		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
483	=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	}
484		825
485	our $DB;	826	our $DB;
486		827
487	sub db_init {	828	sub db_init {
488	unless ($DB) {	829	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	830	}
503		831
504	sub db_get($$) {	832	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
506		834
507	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
508	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
509		839
510	$! ? ()	840	$! ? ()
511	: $data	841	: $data
512	}
513	}	842	}
514		843
515	sub db_put($$$) {	844	sub db_put($$$) {
516	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		874
546	my @data;	875	my @data;
547	my $md5;	876	my $md5;
548		877
549	for (0 .. $#$src) {	878	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	880	}
553		881
554	# if processing is expensive, check	882	# if processing is expensive, check
555	# checksum first	883	# checksum first
556	if (1) {	884	if (1) {
557	$md5 =	885	$md5 =
558	join "\x00",	886	join "\x00",
559	$processversion,	887	$processversion,
560	map {	888	map {
561	Coro::cede;	889	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	891	} 0.. $#$src;
564		892
565		893
566	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
569		897
570	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
571	}	899	}
572	}	900	}
573		901
574	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
575	my $data = $process->(\@data);	903	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
577		905
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		907
580	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
583		911
…		…
593		921
594	=cut	922	=cut
595		923
596	sub datalog($@) {	924	sub datalog($@) {
597	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	927	}
600		928
601	=back	929	=back
602		930
603	=cut	931	=cut
604		932
605	#############################################################################	933	#############################################################################
606		934
607	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
608		936
609	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
610	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")
611	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
612		940
613	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>
614	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
615	Crossfire TRT).	943	Deliantra).
616		944
617	=over 4	945	=over 4
618		946
619	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
620		948
…		…
664	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
665		993
666	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
667	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
668		996
669	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		999
672	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
673		1001
674	=over 4	1002	=over 4
…		…
798		1126
799	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1129
802	} elsif (ref $type) {	1130	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
804		1132
805	} else {	1133	} else {
806	shift @arg;	1134	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
808	}	1136	}
809	}	1137	}
810	}	1138	}
811		1139
812	sub _object_attach {	1140	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
823	}	1151	}
824		1152
825	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
826	} else {	1154	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1156	}
829		1157
830	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
831	}	1159	}
832		1160
…		…
891		1219
892	for (@$callbacks) {	1220	for (@$callbacks) {
893	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
894		1222
895	if ($@) {	1223	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1225	override;
899	}	1226	}
900		1227
901	return 1 if $override;	1228	return 1 if $override;
902	}	1229	}
903		1230
904	0	1231	0
905	}	1232	}
906		1233
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1235
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1237
911	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
912		1239
…		…
919	=cut	1246	=cut
920		1247
921	#############################################################################	1248	#############################################################################
922	# object support	1249	# object support
923		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	}
		1292
924	sub reattach {	1293	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1295	my ($obj) = @_;
927		1296
		1297	# no longer needed after getting rid of delete_package?
928	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
929		1299
930	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
931		1301
932	@$registry = ();	1302	@$registry = ();
933		1303
…		…
938	for (@$attach) {	1308	for (@$attach) {
939	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
941	}	1311	}
942	} else {	1312	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1314	}
945	}	1315	}
946	}	1316	}
947		1317
948	cf::attachable->attach (	1318	cf::attachable->attach (
949	prio => -1000000,	1319	prio => -1000000,
950	on_instantiate => sub {	1320	on_instantiate => sub {
951	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
952		1322
953	$data = from_json $data;	1323	$data = decode_json $data;
954		1324
955	for (@$data) {	1325	for (@$data) {
956	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
957		1327
958	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1344	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
976		1346
977	sync_job {	1347	sync_job {
978	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
981		1353
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1361	aio_close $fh;
987		1362
988	if (@$objs) {	1363	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1372	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
996	}	1374	}
997	} else {	1375	} else {
998	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
999	}	1377	}
1000		1378
1001	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1383	} else {
1003	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1004	}	1385	}
1005	} else {	1386	} else {
1006	aio_unlink $filename;	1387	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1008	}	1389	}
1009	}	1390	};
1010	}	1391	}
1011		1392
1012	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1014		1395
…		…
1026	or return;	1407	or return;
1027		1408
1028	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1411	or return;
		1412
1031	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1032	}	1415	}
1033		1416
		1417	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1036	return ($data, $av);	1422	($data, $av)
1037	}	1423	}
1038		1424
1039	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1040		1426
1041	=over 4	1427	=over 4
…		…
1043	=cut	1429	=cut
1044		1430
1045	#############################################################################	1431	#############################################################################
1046	# command handling &c	1432	# command handling &c
1047		1433
1048	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1049		1435
1050	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
1051	$name.	1437	$name.
1052		1438
1053	=cut	1439	=cut
…		…
1059	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1060		1446
1061	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1062	}	1448	}
1063		1449
1064	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1065		1451
1066	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1067	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1068	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1069	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1070	has logged in successfully.	1456	has logged in successfully.
1071		1457
1072	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1073	called.
1074		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1075	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1076		1466
1077	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1078	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1079	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1080	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1081	log-in.	1471	log-in.
1082		1472
1083	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1084	called.
1085		1474
1086	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1087		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
1088	sub register_extcmd {	1482	sub register_extcmd($$) {
1089	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1090		1484
1091	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1092	}	1486	}
1093		1487
1094	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1095	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1096		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1097	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1098	}	1498	}
1099		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1100	cf::player->attach (	1508	cf::player->attach (
1101	on_command => sub {	1509	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1103		1511
1104	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1105	or return;	1513	or return;
1106		1514
…		…
1114	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1115		1523
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1525
1118	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1121	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1122	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1123	}	1547	}
		1548
1124	} else {	1549	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1551	}
1127		1552
1128	cf::override;	1553	cf::override;
1129	},	1554	},
1130	);	1555	);
1131		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1132	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1133	cf::sync_job {	1586	cf::sync_job {
1134	my %todo;	1587	my %todo;
1135		1588
1136	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1590	next unless -r $path;
…		…
1155		1608
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1611
1159	$ext{source} =	1612	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1162	. $source	1615	. $source
1163	. "\n};\n1";	1616	. "\n};\n1";
1164		1617
1165	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1166	}	1619	}
1167		1620
		1621	my $pass = 0;
1168	my %done;	1622	my %done;
1169	while (%todo) {	1623	while (%todo) {
1170	my $progress;	1624	my $progress;
1171		1625
		1626	++$pass;
		1627
		1628	ext:
1172	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1631	next ext
1175	unless exists $done{$_};	1632	unless exists $done{$_};
1176	}	1633	}
1177		1634
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1636
1180	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 $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1185	warn $msg;	1653
1186	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1655	delete $todo{$k};
1188	}	1656	} else {
1189		1657	$done{$k} = delete $todo{$k};
1190	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1191	}	1663	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1664	}
1197		1665
1198	skip:	1666	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	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	}
1201	}	1676	}
1202	};	1677	};
1203	}	1678	}
1204		1679
1205	#############################################################################	1680	#############################################################################
1206		1681
1207	=back	1682	=back
1208		1683
1209	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1210		1685
1211	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1212		1687
1213	=cut	1688	=cut
1214		1689
1215	package cf::player;	1690	package cf::player;
1216		1691
1217	use Coro::AIO;	1692	use Coro::AIO;
1218		1693
1219	=head3 cf::player	1694	=head3 cf::player
1220		1695
1221	=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	}
1222		1711
1223	=item cf::player::find $login	1712	=item cf::player::find $login
1224		1713
1225	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1226		1715
…		…
1245		1734
1246	sub exists($) {	1735	sub exists($) {
1247	my ($login) = @_;	1736	my ($login) = @_;
1248		1737
1249	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1251	}	1740	}
1252		1741
1253	sub find($) {	1742	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1744	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1755
1267	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1268	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;
1269	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1270	}	1765	}
1271	}	1766	}
1272	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1273		1781
1274	sub save($) {	1782	sub save($) {
1275	my ($pl) = @_;	1783	my ($pl) = @_;
1276		1784
1277	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1283		1791
1284	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1286		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
1287	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1288	Coro::cede;	1801	cf::cede_to_tick;
1289	}	1802	}
1290		1803
1291	sub new($) {	1804	sub new($) {
1292	my ($login) = @_;	1805	my ($login) = @_;
1293		1806
…		…
1299	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1300		1813
1301	$self	1814	$self
1302	}	1815	}
1303		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
1304	=item $pl->quit_character	1827	=item $pl->quit_character
1305		1828
1306	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1308		1831
…		…
1312	my ($pl) = @_;	1835	my ($pl) = @_;
1313		1836
1314	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1315		1838
1316	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1317	$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
1318		1841
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1322	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1323		1850
1324	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1361	or return [];	1888	or return [];
1362		1889
1363	my @logins;	1890	my @logins;
1364		1891
1365	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") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1369		1902
1370	utf8::decode $login;	1903	utf8::decode $login;
1371	push @logins, $login;	1904	push @logins, $login;
1372	}	1905	}
1373		1906
1374	\@logins	1907	\@logins
1375	}	1908	}
1376		1909
1377	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1378		1913
1379	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1380	player. May block.	1915	player. May block.
1381		1916
1382	=cut	1917	=cut
…		…
1400	}	1935	}
1401		1936
1402	\@paths	1937	\@paths
1403	}	1938	}
1404		1939
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1941
1407	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1408		1943
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)
1456
1457	Sends an ext reply to the player.
1458
1459	=cut
1460
1461	sub ext_reply($$%) {
1462	my ($self, $id, %msg) = @_;
1463
1464	$msg{msgid} = $id;
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}
1467
1468	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1469		1945
1470	Sends an ext event to the client.	1946	Sends an ext event to the client.
1471		1947
1472	=cut	1948	=cut
1473		1949
1474	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1476		1952
1477	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1478	}	1954	}
1479		1955
1480	=head3 cf::region	1956	=head3 cf::region
1481		1957
1482	=over 4	1958	=over 4
…		…
1491		1967
1492	=cut	1968	=cut
1493		1969
1494	sub find_by_path($) {	1970	sub find_by_path($) {
1495	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1496		1974
1497	my ($match, $specificity);	1975	my ($match, $specificity);
1498		1976
1499	for my $region (list) {	1977	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1528		2006
1529	sub generate_random_map {	2007	sub generate_random_map {
1530	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1532	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1544	)
1545	}	2013	}
1546		2014
1547	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1548		2016
1549	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
…		…
1554		2022
1555	sub register {	2023	sub register {
1556	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	2025	my $pkg = caller;
1558		2026
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		2028
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	2030	}
1564		2031
1565	# also paths starting with '/'	2032	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		2034
1568	sub thawer_merge {	2035	sub thawer_merge {
1569	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1570		2037
1571	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1576	}	2043	}
1577		2044
1578	sub normalise {	2045	sub normalise {
1579	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1580		2047
1581	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1582		2049
1583	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1584		2051
1585	# map plan:	2052	# map plan:
1586	#	2053	#
…		…
1601	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	2069	$path = "$base/$path";
1603	}	2070	}
1604		2071
1605	for ($path) {	2072	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1609	}	2075	}
1610		2076
1611	$path	2077	$path
…		…
1625	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1626	return $self;	2092	return $self;
1627	}	2093	}
1628	}	2094	}
1629		2095
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	2097	()
1632	}	2098	}
1633		2099
		2100	# may re-bless or do other evil things
1634	sub init {	2101	sub init {
1635	my ($self) = @_;	2102	my ($self) = @_;
1636		2103
1637	$self	2104	$self
1638	}	2105	}
…		…
1657		2124
1658	# the temporary/swap location	2125	# the temporary/swap location
1659	sub save_path {	2126	sub save_path {
1660	my ($self) = @_;	2127	my ($self) = @_;
1661		2128
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1664	}	2131	}
1665		2132
1666	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1667	sub uniq_path {	2134	sub uniq_path {
1668	my ($self) = @_;	2135	my ($self) = @_;
1669		2136
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	2139	}
1682		2140
1683	sub decay_objects {	2141	sub decay_objects {
1684	my ($self) = @_;	2142	my ($self) = @_;
1685		2143
…		…
1698		2156
1699	sub load_header_from($) {	2157	sub load_header_from($) {
1700	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1701		2159
1702	utf8::encode $path;	2160	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2162	or return;
1708		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1709	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1710		2171
1711	1	2172	1
1712	}	2173	}
1713		2174
		2175	# used to laod the header of an original map
1714	sub load_header_orig {	2176	sub load_header_orig {
1715	my ($self) = @_;	2177	my ($self) = @_;
1716		2178
1717	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1718	}	2180	}
1719		2181
		2182	# used to laod the header of an instantiated map
1720	sub load_header_temp {	2183	sub load_header_temp {
1721	my ($self) = @_;	2184	my ($self) = @_;
1722		2185
1723	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1724	}	2187	}
1725		2188
		2189	# called after loading the header from an instantiated map
1726	sub prepare_temp {	2190	sub prepare_temp {
1727	my ($self) = @_;	2191	my ($self) = @_;
1728		2192
1729	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1730	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1731	# safety	2195	# safety
1732	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1733	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1734	}	2198	}
1735		2199
		2200	# called after loading the header from an original map
1736	sub prepare_orig {	2201	sub prepare_orig {
1737	my ($self) = @_;	2202	my ($self) = @_;
1738		2203
1739	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1740	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1764		2229
1765	sub find;	2230	sub find;
1766	sub find {	2231	sub find {
1767	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1768		2233
		2234	cf::cede_to_tick;
		2235
1769	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1770		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2240
1773	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1776	or return;	2243	or return;
1777		2244
1778	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1779		2246
…		…
1781	or return;	2248	or return;
1782		2249
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1786	$map->reset;	2255	$map->reset;
1787	undef $guard;
1788	return find $path;	2256	return find $path;
1789	}	2257	}
1790		2258
1791	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1792	}	2260	}
1793	}	2261	}
1794		2262
1795	sub pre_load { }	2263	sub pre_load { }
1796	sub post_load { }	2264	#sub post_load { } # XS
1797		2265
1798	sub load {	2266	sub load {
1799	my ($self) = @_;	2267	my ($self) = @_;
1800		2268
1801	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1802		2270
1803	my $path = $self->{path};	2271	my $path = $self->{path};
1804		2272
1805	{	2273	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1807		2275
		2276	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1809
1810	$self->in_memory (cf::MAP_LOADING);
1811		2278
1812	$self->alloc;	2279	$self->alloc;
1813		2280
1814	$self->pre_load;	2281	$self->pre_load;
1815	Coro::cede;	2282	cf::cede_to_tick;
1816		2283
1817	$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)
1818	or return;	2288	or return;
1819		2289
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1821	if delete $self->{load_original};	2291	if delete $self->{load_original};
1822		2292
1823	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2294	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2297	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1828	}	2302	}
1829	}
1830		2303
1831	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;
1832	# now do the right thing for maps	2313	# now do the right thing for maps
1833	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2316	unless $self->difficulty;
1836	Coro::cede;	2317	cf::cede_to_tick;
1837		2318
1838	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2320	$self->decay_objects;
1840	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1841	$self->update_buttons;	2322	$self->update_buttons;
1842	Coro::cede;	2323	cf::cede_to_tick;
1843	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1844	Coro::cede;
1845	$self->activate;
1846	}	2325	}
1847		2326
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1849	}	2329	}
1850		2330
1851	$self->post_load;	2331	$self->post_load;
1852	}
1853		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
1854	sub customise_for {	2339	sub customise_for {
1855	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1856		2341
1857	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2343	if $self->per_player;
…		…
1861	# if $self->per_party;	2346	# if $self->per_party;
1862		2347
1863	$self	2348	$self
1864	}	2349	}
1865		2350
1866	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {
1868	my ($map) = @_;
1869
1870	my @diag; # diagonal neighbours
1871
1872	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)
1874	or next;
1875	$neigh = find $neigh, $map
1876	or next;
1877	$neigh->load;
1878
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}
1882
1883	for (@diag) {
1884	my $neigh = find @$_
1885	or next;
1886	$neigh->load;
1887	}
1888	}
1889
1890	sub find_sync {	2351	sub find_sync {
1891	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1892		2353
1893	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
1894	}	2359	}
1895		2360
1896	sub do_load_sync {	2361	sub do_load_sync {
1897	my ($map) = @_;	2362	my ($map) = @_;
1898		2363
1899	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;
1900	}	2369	}
1901		2370
1902	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1904		2373
1905	sub find_async {	2374	sub find_async {
1906	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1907		2376
1908	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1909		2378
1910	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1912	}	2381	}
1913		2382
1914	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1915	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1916	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2390	if (my $map = find $k) {
1919	$map->load;	2391	$map->load if $v;
1920	}	2392	}
1921		2393
1922	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1923	}	2395	}
1924	}	2396	}
1925	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1926	};	2398	};
1927	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1928		2400
1929	()	2401	()
1930	}	2402	}
1931		2403
		2404	# common code, used by both ->save and ->swapout
1932	sub save {	2405	sub _save {
1933	my ($self) = @_;	2406	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2407
1937	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1938		2409
1939	return unless $self->dirty;	2410	return unless $self->dirty;
1940		2411
…		…
1946	return if $self->{deny_save};	2417	return if $self->{deny_save};
1947		2418
1948	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1949		2420
1950	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1952	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1953		2427
1954	if ($uniq) {	2428	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2431	} else {
1958	$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);
1959	}	2433	}
1960	}	2434	}
1961		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1962	sub swap_out {	2444	sub swap_out {
1963	my ($self) = @_;	2445	my ($self) = @_;
1964		2446
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1970	return if $self->players;	2451	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		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
1974	$self->clear;	2462	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2463	}
1977		2464
1978	sub reset_at {	2465	sub reset_at {
1979	my ($self) = @_;	2466	my ($self) = @_;
1980		2467
…		…
1998		2485
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2487
2001	return if $self->players;	2488	return if $self->players;
2002		2489
2003	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2004		2491
2005	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2006		2493
2007	# need to save uniques path	2494	# need to save uniques path
2008	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2009	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2010		2497
…		…
2012	if $uniq;	2499	if $uniq;
2013	}	2500	}
2014		2501
2015	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2016		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2506	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2507
2021	$self->unlink_save;	2508	$self->unlink_save;
2022	$self->destroy;	2509	$self->destroy;
2023	}	2510	}
2024		2511
2025	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2026		2513
2027	sub nuke {	2514	sub nuke {
2028	my ($self) = @_;	2515	my ($self) = @_;
2029		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2030	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2031		2521
2032	$self->unlink_save;	2522	$self->unlink_save;
2033		2523
2034	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2529
2040	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2041		2532
2042	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2043	}	2534	}
2044		2535
2045	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2087		2578
2088	sub unique_maps() {	2579	sub unique_maps() {
2089	[	2580	[
2090	map {	2581	map {
2091	utf8::decode $_;	2582	utf8::decode $_;
2092	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2093	? normalise $_	2586	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2588	]
2097	}	2589	}
2098		2590
2099	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	}
2100		2622
2101	=back	2623	=back
2102		2624
2103	=head3 cf::object	2625	=head3 cf::object
2104		2626
…		…
2108		2630
2109	=over 4	2631	=over 4
2110		2632
2111	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2112		2634
2113	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.
2114		2637
2115	=cut	2638	=cut
2116		2639
2117	sub inv_recursive_;	2640	sub inv_recursive_;
2118	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2121		2644
2122	sub inv_recursive {	2645	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2124	}	2647	}
2125		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
2126	package cf;	2677	package cf;
2127		2678
2128	=back	2679	=back
2129		2680
2130	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2136	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>
2137	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
2138	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2139		2690
2140	=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	};
2141		2706
2142	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2708	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2152		2717
2153	} else {	2718	} else {
2154	my $pl = $self->contr;	2719	my $pl = $self->contr;
2155		2720
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2724
2165	} else {	2725	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2728	}
2169	}	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 (@_);
2170	}	2740	}
2171		2741
2172	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2173		2743
2174	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2187		2757
2188	=item $player_object->enter_link	2758	=item $player_object->enter_link
2189		2759
2190	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}>).
2191		2761
2192	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.
2193	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.
2194		2766
2195	Will never block.	2767	Will never block.
2196		2768
2197	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2198		2770
…		…
2218	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2791	my ($self) = @_;
2220		2792
2221	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2222		2794
		2795	++$self->{_link_recursion};
		2796
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2798
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2227		2801
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2803	}
2230		2804
2231	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2233		2807
…		…
2250	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2252		2826
2253	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2256		2830
2257	$map->load;	2831	$map->load;
2258	$map->load_diag;
2259		2832
2260	return unless $self->contr->active;	2833	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2834
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2265	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2266		2842
		2843	}
		2844
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2846
2269	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
2270	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2851	be called at the end of this process.
2274		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 >>.
		2855
2275	=cut	2856	=cut
2276		2857
2277	our $GOTOGEN;	2858	our $GOTOGEN;
2278		2859
2279	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2862
		2863	if ($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	}
		2868
2282	# 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
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2871
2285	$self->enter_link;	2872	$self->enter_link;
2286		2873
2287	(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
2288	my $map = eval {	2896	my $map = eval {
2289	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2290		2898
2291	if ($map) {	2899	if ($map) {
2292	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2902	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2904	}
2297		2905
2298	$map	2906	$map
2299	};	2907	};
2300		2908
…		…
2306	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2309	}	2917	}
2310		2918
2311	$done->() if $done;	2919	$done->($self) if $done;
2312	})->prio (1);	2920	})->prio (1);
2313	}	2921	}
2314		2922
2315	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2316		2924
…		…
2336	}	2944	}
2337		2945
2338	sub prepare_random_map {	2946	sub prepare_random_map {
2339	my ($exit) = @_;	2947	my ($exit) = @_;
2340		2948
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2951	# that depends on the exit object
2346		2952
2347	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2955	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2354	}	2962	}
2355		2963
2356	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2357		2965
2358	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2361		2969
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2972	undef $fh;
2365	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2366		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2369	}	2981	}
2370	}	2982	}
2371		2983
2372	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2374		2986
2375	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2376		2988
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2989	$self->enter_link;
2389		2990
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2991	(async {
2395	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2396	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
2397	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2398		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
2399	1;	3030	1
2400	}) {	3031	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2405		3036
2406	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	3038	$self->leave_link;
2408	}	3039	}
2409	})->prio (1);	3040	})->prio (1);
2410	}	3041	}
2411		3042
2412	=head3 cf::client	3043	=head3 cf::client
2413		3044
2414	=over 4	3045	=over 4
2415		3046
2416	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2417		3048
2418	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2419	should not be used under normal circumstances.	3050	them as required.
2420		3051
2421	=cut	3052	=cut
2422		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2423	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2424	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2425		3058
2426	utf8::encode $text;	3059	# try lzf for large packets
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($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);
2428	}	3070	}
2429		3071
2430	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		3073
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2433	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2436		3078
2437	=cut	3079	=cut
		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" => $CHAT_CHANNEL,
		3199	);
2438		3200
2439	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3203
2442	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2443		3206
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2448	if (ref $channel) {	3216	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	3220	$self->ext_msg (channel_info => $channel);
2453	}	3221	}
2454		3222
2455	$channel = $channel->{id};	3223	$channel = $channel->{id};
2456	}	3224	}
2457		3225
2458	if ($self->can_msg) {	3226	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		3227
2471	if ($color >= 0) {	3228	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	3230	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		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
2482	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2483		3241
2484	Sends an ext event to the client.	3242	Sends an ext event to the client.
2485		3243
2486	=cut	3244	=cut
2487		3245
2488	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2490		3248
2491	return unless $self->extcmd;
2492
2493	$msg{msgtype} = "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2495	}	3250	}
2496		3251
2497	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2498		3253
2499	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2519		3274
2520	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2521	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2522		3277
2523	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2524	}	3318	}
2525		3319
2526	cf::client->attach (	3320	cf::client->attach (
2527	on_connect => sub {	3321	on_connect => sub {
2528	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
2554	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
2555		3349
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		3351
2558	if (ref $msg) {	3352	if (ref $msg) {
		3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3354
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3355	if (my $cb = $EXTIACMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3356	$cb->(
2561	$reply{msgid} = $msg->{msgid};	3357	$ns,
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
		3368	@reply = $cb->($ns, @payload);
2563	}	3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
2564	}	3373	}
2565	} else {	3374	} else {
2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2567	}	3376	}
2568		3377
2569	cf::override;	3378	cf::override;
2570	},	3379	},
2571	);	3380	);
…		…
2591		3400
2592	$coro	3401	$coro
2593	}	3402	}
2594		3403
2595	cf::client->attach (	3404	cf::client->attach (
2596	on_destroy => sub {	3405	on_client_destroy => sub {
2597	my ($ns) = @_;	3406	my ($ns) = @_;
2598		3407
2599	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2600	},	3409	},
2601	);	3410	);
…		…
2616	our $safe = new Safe "safe";	3425	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
2618		3427
2619	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
2620		3429
2621	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3430	$safe->permit_only (Opcode::opset qw(
		3431	:base_core :base_mem :base_orig :base_math :base_loop
		3432	grepstart grepwhile mapstart mapwhile
		3433	sort time
		3434	));
2622		3435
2623	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
2624		3437
2625	=pod	3438	=pod
2626		3439
2627	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
2628		3441
2629	cf::object	3442	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3443	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3444	insert remove name archname title slaying race decrease split
		3445	value
2632		3446
2633	cf::object::player	3447	cf::object::player
2634	player	3448	player
2635		3449
2636	cf::player	3450	cf::player
…		…
2641		3455
2642	=cut	3456	=cut
2643		3457
2644	for (	3458	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3460	insert remove inv nrof name archname title slaying race
		3461	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
2650	) {	3465	) {
2651	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2654	for @funs;	3468	for @funs;
2655	}	3469	}
2656		3470
…		…
2671		3485
2672	my $qcode = $code;	3486	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
2675		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
2676	local $_;	3493	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;
2678		3494
2679	my $eval =	3495	my $eval =
2680	"do {\n"	3496	"do {\n"
2681	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2682	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
2683	. $code	3499	. $code
2684	. "\n}"	3500	. "\n}"
2685	;	3501	;
2686		3502
		3503	if ($CFG{safe_eval}) {
2687	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
2688	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2689	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
2690		3512
2691	if ($@) {	3513	if ($@) {
2692	warn "$@";	3514	warn "$@",
2693	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
2694	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
2695	}	3517	}
2696		3518
2697	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
2698	}	3520	}
2699		3521
…		…
2713	=cut	3535	=cut
2714		3536
2715	sub register_script_function {	3537	sub register_script_function {
2716	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
2717		3539
2718	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
2719	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
2720	}	3542	}
2721		3543
2722	=back	3544	=back
2723		3545
2724	=cut	3546	=cut
2725		3547
2726	#############################################################################	3548	#############################################################################
2727	# the server's init and main functions	3549	# the server's init and main functions
2728		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
2729	sub load_facedata($) {	3628	sub load_facedata($) {
2730	my ($path) = @_;	3629	my ($path) = @_;
2731		3630
		3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3632
2732	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
2733		3634
2734	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
2735	0 < aio_load $path, $facedata
2736	or die "$path: $!";
2737
2738	$facedata = Coro::Storable::thaw $facedata;
2739		3636
2740	$facedata->{version} == 2	3637	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3639
		3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3642
		3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3644
		3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
2742		3648
2743	{	3649	{
2744	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
2745		3651
2746	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3655
2748	cf::face::set_visibility $idx, $info->{visibility};	3656	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2752		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2753	cf::cede_to_tick;	3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
2754	}	3663	}
2755		3664
2756	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3666	next unless $info->{smooth};
		3667
2758	my $idx = cf::face::find $face	3668	my $idx = cf::face::find $face
2759	or next;	3669	or next;
		3670
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3672	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3674	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
2765	}	3676	}
2766
2767	cf::cede_to_tick;
2768	}	3677	}
2769	}	3678	}
2770		3679
2771	{	3680	{
2772	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
2773		3682
2774	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
2775	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
2776	cf::cede_to_tick;
2777	}	3685	}
2778		3686
2779	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
2780	}	3688	}
2781		3689
2782	{	3690	{
2783	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3691	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3692
2788	while (my ($name, $info) = each %$res) {	3693	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3694	if (defined (my $type = $info->{type})) {
2790	name => $name,	3695	# TODO: different hash - must free and use new index, or cache ixface data queue
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2796		3697
2797	if ($name =~ /\.jpg$/) {	3698	cf::face::set_type $idx, $type;
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3699	cf::face::set_csum $idx, 0, $info->{hash};
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
2800	} else {	3704	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3705	# $RESOURCE{$name} = $info; # unused
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3706	}
2807
2808	cf::cede_to_tick;
2809	}	3707	}
2810	}	3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
		3719
		3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3721
		3722	aio_close $fh if $fh; # close old facedata
2811		3723
2812	1	3724	1
2813	}	3725	}
2814		3726
		3727	register_exticmd fx_want => sub {
		3728	my ($ns, $want) = @_;
		3729
		3730	while (my ($k, $v) = each %$want) {
		3731	$ns->fx_want ($k, $v);
		3732	}
		3733	};
		3734
		3735	sub load_resource_file($) {
		3736	my $guard = lock_acquire "load_resource_file";
		3737
		3738	my $status = load_resource_file_ $_[0];
		3739	get_slot 0.1, 100;
		3740	cf::arch::commit_load;
		3741
		3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
		3757	}
		3758
2815	sub reload_regions {	3759	sub reload_regions {
		3760	# HACK to clear player env face cache, we need some signal framework
		3761	# for this (global event?)
		3762	%ext::player_env::MUSIC_FACE_CACHE = ();
		3763
2816	load_resource_file "$MAPDIR/regions"	3764	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3765	or die "unable to load regions file\n";
2818		3766
2819	for (cf::region::list) {	3767	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3768	$_->{match} = qr/$_->{match}/
2821	if exists $_->{match};	3769	if exists $_->{match};
2822	}	3770	}
2823	}	3771	}
2824		3772
2825	sub reload_facedata {	3773	sub reload_facedata {
2826	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
2827	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
2828	}	3776	}
2829		3777
2830	sub reload_archetypes {	3778	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references	3781
2834	# this really needs to be done in an extra post-pass	3782	cf::face::set
2835	# (which needs to be synchronous, so solve it differently)	3783	"res/skill_info" => FT_RSRC,
2836	load_resource_file "$DATADIR/archetypes"	3784	JSON::XS->new->utf8->canonical->encode (
2837	or die "unable to load archetypes\n";	3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
2838	}	3807	}
2839		3808
2840	sub reload_treasures {	3809	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
2843	}	3812	}
2844		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
2845	sub reload_resources {	3834	sub reload_resources {
2846	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
2847		3836
		3837	reload_materials;
		3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
		3841	reload_archetypes;
2848	reload_regions;	3842	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3843	reload_treasures;
2853		3844
2854	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
2855	}	3846	}
2856		3847
2857	sub init {	3848	sub reload_config {
2858	reload_resources;	3849	trace "reloading config file...\n";
2859	}
2860		3850
2861	sub cfg_load {	3851	my $config = load_file "$CONFDIR/config";
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3852	utf8::decode $config;
2863	or return;	3853	*CFG = decode_yaml $config;
2864		3854
2865	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;
2867
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2869		3856
2870	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2871	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2872		3859
2873	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
2877	};	3864	};
2878	warn $@ if $@;	3865	warn $@ if $@;
2879	}	3866	}
2880	}	3867	}
2881		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
2882	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
2883	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3908	$Coro::idle = sub {
2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2886	(async {	3910	(async {
2887	Event::one_event;	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3912	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
2889	};	3914	};
2890		3915
2891	cfg_load;	3916	evthread_start IO::AIO::poll_fileno;
		3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
2892	db_init;	3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
		3930	reload_config;
		3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
2893	load_extensions;	3940	load_extensions;
2894		3941
2895	$TICK_WATCHER->start;	3942	utime time, time, $RUNTIMEFILE;
2896	Event::loop;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
2897	}	3959	}
2898		3960
2899	#############################################################################	3961	#############################################################################
2900	# initialisation and cleanup	3962	# initialisation and cleanup
2901		3963
2902	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
2903	BEGIN {	3965	BEGIN {
		3966	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
2912	},
2913	);	3970	};
2914	}	3971	}
2915	}	3972	}
2916		3973
2917	sub write_runtime {	3974	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";	3975	my $t0 = AE::time;
2919		3976
2920	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
2922		3979
2923	IO::AIO::aio_utime $runtime, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3981
2925	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
2926		3983
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2928	or return;	3985	or return;
2929		3986
2930	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3999	aio_utime $fh, undef, undef;
2943		4000
2944	close $fh	4001	close $fh
2945	or return;	4002	or return;
2946		4003
2947	aio_rename "$runtime~", $runtime	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	4005	and return;
2949		4006
2950	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2951		4008
2952	1	4009	1
		4010	}
		4011
		4012	our $uuid_lock;
		4013	our $uuid_skip;
		4014
		4015	sub write_uuid_sync($) {
		4016	$uuid_skip ||= $_[0];
		4017
		4018	return if $uuid_lock;
		4019	local $uuid_lock = 1;
		4020
		4021	my $uuid = "$LOCALDIR/uuid";
		4022
		4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4024	or return;
		4025
		4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
		4034	$uuid_skip = 0;
		4035
		4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4037	and return;
		4038
		4039	# always fsync - this file is important
		4040	aio_fsync $fh
		4041	and return;
		4042
		4043	close $fh
		4044	or return;
		4045
		4046	aio_rename "$uuid~", $uuid
		4047	and return;
		4048
		4049	trace "uuid file written ($value).\n";
		4050
		4051	1
		4052
		4053	}
		4054
		4055	sub write_uuid($$) {
		4056	my ($skip, $sync) = @_;
		4057
		4058	$sync ? write_uuid_sync $skip
		4059	: async { write_uuid_sync $skip };
2953	}	4060	}
2954		4061
2955	sub emergency_save() {	4062	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
2957		4064
2958	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
2959		4071
2960	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
2961	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	4081	$pl->valid or next;
		4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	4083	$pl->save;
2969	}	4084	}
2970	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
2971		4086
2972	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
2973	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	4092	$map->valid or next;
2976	$map->save;	4093	$map->save;
2977	}	4094	}
2978	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
2979		4096
2980	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
2982	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
		4102
		4103	info "emergency_perl_save: begin write uuid\n";
		4104	write_uuid_sync 1;
		4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
2983	};	4125	};
2984		4126
2985	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
2986	}	4128	}
2987		4129
2988	sub post_cleanup {	4130	sub post_cleanup {
2989	my ($make_core) = @_;	4131	my ($make_core) = @_;
2990		4132
		4133	IO::AIO::flush;
		4134
2991	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
2992	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
2993	}	4165	}
2994		4166
2995	sub do_reload_perl() {	4167	sub do_reload_perl() {
2996	# can/must only be called in main	4168	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
2998	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
2999	return;	4171	return;
3000	}	4172	}
3001		4173
3002	warn "reloading...";	4174	return if $RELOAD++;
3003		4175
3004	warn "entering sync_job";	4176	my $t1 = AE::time;
3005		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
3006	cf::sync_job {	4184	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark
3008	cf::emergency_save;	4185	#cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark
3010		4186
3011	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;
3013
3014	# if anything goes wrong in here, we should simply crash as we already saved
3015
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;
3027	warn "iterate...";
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();	4189	%EXT_CORO = ();
3035		4190
3036	warn "removing commands";	4191	trace "perl_reload: removing commands";
3037	%COMMAND = ();	4192	%COMMAND = ();
3038		4193
3039	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
3040	%EXTCMD = ();	4195	%EXTCMD = ();
3041	%EXTICMD = ();	4196	%EXTICMD = ();
3042		4197
3043	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
3046		4201
3047	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
3048	eval {	4203	eval {
3049	$cb->($pkg);	4204	$cb->($pkg);
3050	1	4205	1
3051	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
3052	}	4211	}
3053		4212
3054	warn "... nuking $pkg";
3055	Symbol::delete_package $pkg;
3056	}
3057
3058	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3059	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		4216
3062	warn "... unloading $k";	4217	trace "... unloading $k";
3063	delete $INC{$k};	4218	delete $INC{$k};
3064		4219
3065	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3067		4222
3068	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
3069	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
3070	}	4228	}
3071		4229
3072	Symbol::delete_package $k;
3073	}
3074
3075	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3078		4233
3079	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		4237
3083	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3084	# and global variables created in xs	4239	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3086		4241
3087	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3088		4243
3089	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3090	require cf;	4245	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3092		4247
3093	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3094	cf::cfg_load;	4249	cf::reload_config;
3095		4250
3096	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3097	cf::load_extensions;	4252	cf::load_extensions;
3098		4253
		4254	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3102	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3105		4262
3106	warn "leaving sync_job";	4263	cf::_post_init 1;
3107		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
3108	1	4267	1
3109	} or do {	4268	} or do {
3110	warn $@;	4269	error $@;
3111	warn "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
3112	exit 1;	4271	};
		4272
		4273	--$RELOAD;
3113	};	4274	}
3114		4275
3115	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3116	};	4278	};
3117		4279
3118	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3119		4281
3120	sub reload_perl() {	4282	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3123		4285
3124	$RELOAD_WATCHER ||= Event->timer (	4286	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	4287	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	4288
3127	data => WF_AUTOCANCEL,	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	4290	do_reload_perl;
3130	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
3131	},	4292	};
3132	);	4293	};
3133	}	4294	}
3134		4295
3135	register_command "reload" => sub {	4296	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
3137		4298
3138	if ($who->flag (FLAG_WIZ)) {	4299	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	4300	$who->message ("reloading server.");
		4301	async {
		4302	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	4303	reload_perl;
		4304	};
3141	}	4305	}
3142	};	4306	};
3143		4307
3144	unshift @INC, $LIBDIR;	4308	#############################################################################
3145		4309
3146	my $bug_warning = 0;	4310	my $bug_warning = 0;
3147		4311
3148	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;
3150
3151	sub wait_for_tick {	4312	sub wait_for_tick() {
3152	return unless $TICK_WATCHER->is_active;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3153	return if $Coro::current == $Coro::main;
3154		4314
3155	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3156	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;
3158	}	4316	}
3159		4317
3160	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3161	return unless $TICK_WATCHER->is_active;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3162	return if $Coro::current == $Coro::main;
3163		4320
3164	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	4323	$signal->wait;
3167	}	4324	}
3168		4325
3169	my $min = 1e6;#d#	4326	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	4327	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3181	return;	4330	return;
3182	}	4331	}
3183		4332
3184	$NOW = $tick_start = Event::time;	4333	cf::one_tick; # one server iteration
3185		4334
3186	cf::server_tick; # one server iteration	4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3187		4336
3188	0 && sync_job {#d#	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3189	for(1..10) {	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3190	my $t = Event::time;	4339	Coro::async_pool {
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4340	$Coro::current->{desc} = "runtime saver";
3192	or die;	4341	write_runtime_sync
3193		4342	or error "ERROR: unable to write runtime file: $!";
3194	$map->width (50);
3195	$map->height (50);
3196	$map->alloc;
3197	$map->_load_objects ("/tmp/x.map", 1);
3198	my $t = Event::time - $t;
3199
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	4343	};
		4344	}
3210		4345
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	4347	$sig->send;
3227	}	4348	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3229	$sig->send;
3230	}
3231		4350
3232	$NOW = Event::time;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		4353
3243	_post_tick;	4354	if (0) {
3244		4355	if ($NEXT_TICK) {
3245		4356	my $jitter = $TICK_START - $NEXT_TICK;
		4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4358	debug "jitter $JITTER\n";#d#
		4359	}
3246	},	4360	}
3247	);	4361	}
3248		4362
3249	{	4363	{
3250	BDB::max_poll_time $TICK * 0.1;	4364	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	4365	info "initialising database";
3252	reentrant => 0,	4366
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3260		4368	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		4370
3276	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3277	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
		4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3278		4378
3279	cf::sync_job {	4379	cf::sync_job {
3280	eval {	4380	eval {
3281	BDB::db_env_open	4381	BDB::db_env_open
3282	$DB_ENV,	4382	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4384	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4385	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	4386	0666;
3287		4387
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4388	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	4389	};
3293		4390
3294	cf::cleanup "db_env_open(db): $@" if $@;	4391	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	4392	};
3296	}	4393	}
		4394
		4395	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4396	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4397	};
		4398	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4400	};
		4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4403	};
		4404
		4405	info "database initialised";
3297	}	4406	}
3298		4407
3299	{	4408	{
		4409	# configure IO::AIO
		4410
		4411	info "initialising aio";
3300	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	4414	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,	4415	info "aio initialised";
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	4416	}
3313		4417
3314	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3315		4420
3316	sub _log_backtrace {	4421	sub _log_backtrace {
3317	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3318		4423
3319	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3320		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3321	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3323	++$_log_backtrace;	4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
3324	async {	4434	async {
		4435	$Coro::current->{desc} = "abt $msg";
		4436
3325	my @bt = fork_call {	4437	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	4438	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4439	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4440	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3329	or die "addr2line: $!";	4441	or die "addr2line: $!";
…		…
3337	}	4449	}
3338		4450
3339	@funcs	4451	@funcs
3340	};	4452	};
3341		4453
3342	LOG llevInfo, "[ABT] $msg\n";	4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	4457	--$_log_backtrace;
3345	};	4458	};
3346	} else {	4459	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3349	}	4462	}
3350	}	4463	}
3351		4464
3352	# load additional modules	4465	# load additional modules
3353	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3354		4468
3355	END { cf::emergency_save }	4469	END { cf::emergency_save }
3356		4470
3357	1	4471	1
3358		4472

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