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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
322	};	623	}
323	$TICK_WATCHER->stop;	624	};
324	$guard	625
		626	sub get_slot($;$$) {
		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
2428	}	3061	if 1024 <= length $pkt and $self->{can_lzf};
2429		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
2430	=item $client->send_msg ($color, $type, $msg, [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
2438		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2439	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3202	my ($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;
		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
2443		3225
2444	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2445		3227
2446	if ($self->can_msg) {	3228	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3230	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3231
2459	if ($color >= 0) {	3232	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3233	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3235	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2470	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2471		3241
2472	Sends an ext event to the client.	3242	Sends an ext event to the client.
2473		3243
2474	=cut	3244	=cut
2475		3245
2476	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2478		3248
2479	return unless $self->extcmd;
2480
2481	$msg{msgtype} = "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2483	}	3250	}
2484		3251
2485	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2486		3253
2487	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2507		3274
2508	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2509	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2510		3277
2511	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{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2512	}	3317	}
2513		3318
2514	cf::client->attach (	3319	cf::client->attach (
2515	on_connect => sub {	3320	on_connect => sub {
2516	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2542	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2543		3348
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3350
2546	if (ref $msg) {	3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3354	if (my $cb = $EXTIACMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3355	$cb->(
2549	$reply{msgid} = $msg->{msgid};	3356	$ns,
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
2551	}	3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2552	}	3372	}
2553	} else {	3373	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3375	}
2556		3376
2557	cf::override;	3377	cf::override;
2558	},	3378	},
2559	);	3379	);
…		…
2579		3399
2580	$coro	3400	$coro
2581	}	3401	}
2582		3402
2583	cf::client->attach (	3403	cf::client->attach (
2584	on_destroy => sub {	3404	on_client_destroy => sub {
2585	my ($ns) = @_;	3405	my ($ns) = @_;
2586		3406
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3408	},
2589	);	3409	);
…		…
2604	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2606		3426
2607	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2608		3428
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2610		3434
2611	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2612		3436
2613	=pod	3437	=pod
2614		3438
2615	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2616		3440
2617	cf::object	3441	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3442	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3443	insert remove name archname title slaying race decrease split
		3444	value
2620		3445
2621	cf::object::player	3446	cf::object::player
2622	player	3447	player
2623		3448
2624	cf::player	3449	cf::player
…		…
2629		3454
2630	=cut	3455	=cut
2631		3456
2632	for (	3457	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2638	) {	3464	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3467	for @funs;
2643	}	3468	}
2644		3469
…		…
2659		3484
2660	my $qcode = $code;	3485	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2663		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2664	local $_;	3492	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3493
2667	my $eval =	3494	my $eval =
2668	"do {\n"	3495	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3498	. $code
2672	. "\n}"	3499	. "\n}"
2673	;	3500	;
2674		3501
		3502	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2678		3511
2679	if ($@) {	3512	if ($@) {
2680	warn "$@";	3513	warn "$@",
2681	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2683	}	3516	}
2684		3517
2685	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2686	}	3519	}
2687		3520
…		…
2701	=cut	3534	=cut
2702		3535
2703	sub register_script_function {	3536	sub register_script_function {
2704	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2705		3538
2706	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2708	}	3541	}
2709		3542
2710	=back	3543	=back
2711		3544
2712	=cut	3545	=cut
2713		3546
2714	#############################################################################	3547	#############################################################################
2715	# the server's init and main functions	3548	# the server's init and main functions
2716		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2717	sub load_facedata($) {	3627	sub load_facedata($) {
2718	my ($path) = @_;	3628	my ($path) = @_;
2719		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2720	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2721		3633
2722	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2723	0 < aio_load $path, $facedata
2724	or die "$path: $!";
2725
2726	$facedata = Coro::Storable::thaw $facedata;
2727		3635
2728	$facedata->{version} == 2	3636	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2730		3647
2731	{	3648	{
2732	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2733		3650
2734	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2736	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2740		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2741	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2742	}	3662	}
2743		3663
2744	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2746	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2747	or next;	3668	or next;
		3669
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3673	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3675	}
2754
2755	cf::cede_to_tick;
2756	}	3676	}
2757	}	3677	}
2758		3678
2759	{	3679	{
2760	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2761		3681
2762	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2763	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2764	cf::cede_to_tick;
2765	}	3684	}
2766		3685
2767	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2768	}	3687	}
2769		3688
2770	{	3689	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3691
2776	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3693	if (defined (my $type = $info->{type})) {
2778	name => $name,	3694	# TODO: different hash - must free and use new index, or cache ixface data queue
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3696
2785	if ($name =~ /\.jpg$/) {	3697	cf::face::set_type $idx, $type;
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3698	cf::face::set_csum $idx, 0, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
2788	} else {	3703	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3704	# $RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3705	}
2795
2796	cf::cede_to_tick;
2797	}	3706	}
2798	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
2799		3722
2800	1	3723	1
2801	}	3724	}
2802		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2803	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2804	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
2806		3765
2807	for (cf::region::list) {	3766	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3767	$_->{match} = qr/$_->{match}/
2809	if exists $_->{match};	3768	if exists $_->{match};
2810	}	3769	}
2811	}	3770	}
2812		3771
2813	sub reload_facedata {	3772	sub reload_facedata {
2814	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2815	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2816	}	3775	}
2817		3776
2818	sub reload_archetypes {	3777	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references	3780
2822	# this really needs to be done in an extra post-pass	3781	cf::face::set
2823	# (which needs to be synchronous, so solve it differently)	3782	"res/skill_info" => FT_RSRC,
2824	load_resource_file "$DATADIR/archetypes"	3783	JSON::XS->new->utf8->canonical->encode (
2825	or die "unable to load archetypes\n";	3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
2826	}	3792	}
2827		3793
2828	sub reload_treasures {	3794	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3795	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3796	or die "unable to load treasurelists\n";
2831	}	3797	}
2832		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
2833	sub reload_resources {	3819	sub reload_resources {
2834	warn "reloading resource files...\n";	3820	trace "reloading resource files...\n";
2835		3821
		3822	reload_materials;
		3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
		3826	reload_archetypes;
2836	reload_regions;	3827	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3828	reload_treasures;
2841		3829
2842	warn "finished reloading resource files\n";	3830	trace "finished reloading resource files\n";
2843	}	3831	}
2844		3832
2845	sub init {	3833	sub reload_config {
2846	reload_resources;	3834	trace "reloading config file...\n";
2847	}
2848		3835
2849	sub cfg_load {	3836	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3837	utf8::decode $config;
2851	or return;	3838	*CFG = decode_yaml $config;
2852		3839
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3841
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3844
2861	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
2865	};	3849	};
2866	warn $@ if $@;	3850	warn $@ if $@;
2867	}	3851	}
2868	}	3852	}
2869		3853
		3854	sub pidfile() {
		3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
		3880	}
		3881
2870	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
2871	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3893	$Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3895	(async {
2875	Event::one_event;	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3897	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
2877	};	3899	};
2878		3900
2879	cfg_load;	3901	evthread_start IO::AIO::poll_fileno;
		3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
2880	db_init;	3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
		3915	reload_config;
		3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
2881	load_extensions;	3925	load_extensions;
2882		3926
2883	$TICK_WATCHER->start;	3927	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
		3934	};
		3935
		3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
2885	}	3944	}
2886		3945
2887	#############################################################################	3946	#############################################################################
2888	# initialisation and cleanup	3947	# initialisation and cleanup
2889		3948
2890	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
2891	BEGIN {	3950	BEGIN {
		3951	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
2900	},
2901	);	3955	};
2902	}	3956	}
2903	}	3957	}
2904		3958
2905	sub write_runtime {	3959	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3960	my $t0 = AE::time;
2907		3961
2908	# first touch the runtime file to show we are still running:	3962	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3963	# the fsync below can take a very very long time.
2910		3964
2911	IO::AIO::aio_utime $runtime, undef, undef;	3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3966
2913	my $guard = cf::lock_acquire "write_runtime";	3967	my $guard = cf::lock_acquire "write_runtime";
2914		3968
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3970	or return;
2917		3971
2918	my $value = $cf::RUNTIME + 90 + 10;	3972	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3973	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3974	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3984	aio_utime $fh, undef, undef;
2931		3985
2932	close $fh	3986	close $fh
2933	or return;	3987	or return;
2934		3988
2935	aio_rename "$runtime~", $runtime	3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3990	and return;
2937		3991
2938	warn "runtime file written.\n";	3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3993
2940	1	3994	1
		3995	}
		3996
		3997	our $uuid_lock;
		3998	our $uuid_skip;
		3999
		4000	sub write_uuid_sync($) {
		4001	$uuid_skip ||= $_[0];
		4002
		4003	return if $uuid_lock;
		4004	local $uuid_lock = 1;
		4005
		4006	my $uuid = "$LOCALDIR/uuid";
		4007
		4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4009	or return;
		4010
		4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
		4019	$uuid_skip = 0;
		4020
		4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4022	and return;
		4023
		4024	# always fsync - this file is important
		4025	aio_fsync $fh
		4026	and return;
		4027
		4028	close $fh
		4029	or return;
		4030
		4031	aio_rename "$uuid~", $uuid
		4032	and return;
		4033
		4034	trace "uuid file written ($value).\n";
		4035
		4036	1
		4037
		4038	}
		4039
		4040	sub write_uuid($$) {
		4041	my ($skip, $sync) = @_;
		4042
		4043	$sync ? write_uuid_sync $skip
		4044	: async { write_uuid_sync $skip };
2941	}	4045	}
2942		4046
2943	sub emergency_save() {	4047	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
2945		4049
2946	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
2947		4056
2948	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
2949	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	4066	$pl->valid or next;
		4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	4068	$pl->save;
2957	}	4069	}
2958	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
2959		4071
2960	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	4077	$map->valid or next;
2964	$map->save;	4078	$map->save;
2965	}	4079	}
2966	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
2967		4081
2968	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
		4087
		4088	info "emergency_perl_save: begin write uuid\n";
		4089	write_uuid_sync 1;
		4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
2971	};	4110	};
2972		4111
2973	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
2974	}	4113	}
2975		4114
2976	sub post_cleanup {	4115	sub post_cleanup {
2977	my ($make_core) = @_;	4116	my ($make_core) = @_;
2978		4117
		4118	IO::AIO::flush;
		4119
2979	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	4121	if $make_core;
		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
		4125	}
		4126
		4127	# a safer delete_package, copied from Symbol
		4128	sub clear_package($) {
		4129	my $pkg = shift;
		4130
		4131	# expand to full symbol table name if needed
		4132	unless ($pkg =~ /^main::.*::$/) {
		4133	$pkg = "main$pkg" if $pkg =~ /^::/;
		4134	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4135	$pkg .= '::' unless $pkg =~ /::$/;
		4136	}
		4137
		4138	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4139	my $stem_symtab = *{$stem}{HASH};
		4140
		4141	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4142	or return;
		4143
		4144	# clear all symbols
		4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4146	for my $name (keys %$leaf_symtab) {
		4147	_gv_clear *{"$pkg$name"};
		4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4149	}
2981	}	4150	}
2982		4151
2983	sub do_reload_perl() {	4152	sub do_reload_perl() {
2984	# can/must only be called in main	4153	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
2986	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
2987	return;	4156	return;
2988	}	4157	}
2989		4158
2990	warn "reloading...";	4159	return if $RELOAD++;
2991		4160
2992	warn "entering sync_job";	4161	my $t1 = AE::time;
2993		4162
		4163	while ($RELOAD) {
		4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
		4166
		4167	trace "perl_reload: entering sync_job";
		4168
2994	cf::sync_job {	4169	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	4170	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		4171
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	4174	%EXT_CORO = ();
3023		4175
3024	warn "removing commands";	4176	trace "perl_reload: removing commands";
3025	%COMMAND = ();	4177	%COMMAND = ();
3026		4178
3027	warn "removing ext/exti commands";	4179	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	4180	%EXTCMD = ();
3029	%EXTICMD = ();	4181	%EXTICMD = ();
3030		4182
3031	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
3034		4186
3035	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
3036	eval {	4188	eval {
3037	$cb->($pkg);	4189	$cb->($pkg);
3038	1	4190	1
3039	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
		4192	}
		4193
		4194	trace "... clearing $pkg";
		4195	clear_package $pkg;
3040	}	4196	}
3041		4197
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		4201
3050	warn "... unloading $k";	4202	trace "... unloading $k";
3051	delete $INC{$k};	4203	delete $INC{$k};
3052		4204
3053	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
3055		4207
3056	if (my $cb = $k->can ("unload_module")) {	4208	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	4209	$cb->();
		4210	}
		4211
		4212	clear_package $k;
3058	}	4213	}
3059		4214
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	4216	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		4218
3067	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		4222
3071	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
3072	# and global variables created in xs	4224	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
3074		4226
3075	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
3076		4228
3077	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
3078	require cf;	4230	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
3080		4232
3081	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4234	cf::reload_config;
3083		4235
3084	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4237	cf::load_extensions;
3086		4238
		4239	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4241	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4244	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4245	reattach $_ for values %PLAYER;
		4246	}
3093		4247
3094	warn "leaving sync_job";	4248	cf::_post_init 1;
3095		4249
		4250	trace "perl_reload: leaving sync_job";
		4251
3096	1	4252	1
3097	} or do {	4253	} or do {
3098	warn $@;	4254	error $@;
3099	warn "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4256	};
		4257
		4258	--$RELOAD;
3101	};	4259	}
3102		4260
3103	warn "reloaded";	4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
3104	};	4263	};
3105		4264
3106	our $RELOAD_WATCHER; # used only during reload	4265	our $RELOAD_WATCHER; # used only during reload
3107		4266
3108	sub reload_perl() {	4267	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4268	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4269	# coro crashes during coro_state_free->destroy here.
3111		4270
3112	$RELOAD_WATCHER ||= Event->timer (	4271	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4272	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4273
3115	data => WF_AUTOCANCEL,	4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4275	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4276	undef $RELOAD_WATCHER;
3119	},	4277	};
3120	);	4278	};
3121	}	4279	}
3122		4280
3123	register_command "reload" => sub {	4281	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
3125		4283
3126	if ($who->flag (FLAG_WIZ)) {	4284	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4285	$who->message ("reloading server.");
		4286	async {
		4287	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4288	reload_perl;
		4289	};
3129	}	4290	}
3130	};	4291	};
3131		4292
3132	unshift @INC, $LIBDIR;	4293	#############################################################################
3133		4294
3134	my $bug_warning = 0;	4295	my $bug_warning = 0;
3135		4296
3136	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;
3138
3139	sub wait_for_tick {	4297	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3141	return if $Coro::current == $Coro::main;
3142		4299
3143	my $signal = new Coro::Signal;	4300	$WAIT_FOR_TICK->wait;
3144	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;
3146	}	4301	}
3147		4302
3148	sub wait_for_tick_begin {	4303	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;	4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3150	return if $Coro::current == $Coro::main;
3151		4305
3152	my $signal = new Coro::Signal;	4306	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4307	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4308	$signal->wait;
3155	}	4309	}
3156		4310
3157	my $min = 1e6;#d#	4311	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4312	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
3169	return;	4315	return;
3170	}	4316	}
3171		4317
3172	$NOW = $tick_start = Event::time;	4318	cf::one_tick; # one server iteration
3173		4319
3174	cf::server_tick; # one server iteration	4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3175		4321
3176	0 && sync_job {#d#	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	4324	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4325	$Coro::current->{desc} = "runtime saver";
3180	or die;	4326	write_runtime_sync
3181		4327	or error "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4328	};
		4329	}
3198		4330
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4332	$sig->send;
3215	}	4333	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4334	$WAIT_FOR_TICK->broadcast;
3217	$sig->send;
3218	}
3219		4335
3220	$NOW = Event::time;	4336	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4338
3231	_post_tick;	4339	if (0) {
3232		4340	if ($NEXT_TICK) {
3233		4341	my $jitter = $TICK_START - $NEXT_TICK;
		4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4343	debug "jitter $JITTER\n";#d#
		4344	}
3234	},	4345	}
3235	);	4346	}
3236		4347
3237	{	4348	{
3238	BDB::max_poll_time $TICK * 0.1;	4349	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4350	info "initialising database";
3240	reentrant => 0,	4351
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
3248		4353	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4354	#$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4355
3264	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
		4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4360	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4361	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4362	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4363
3267	cf::sync_job {	4364	cf::sync_job {
3268	eval {	4365	eval {
3269	BDB::db_env_open	4366	BDB::db_env_open
3270	$DB_ENV,	4367	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4369	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4370	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4371	0666;
3275		4372
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4373	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4374	};
3281		4375
3282	cf::cleanup "db_env_open(db): $@" if $@;	4376	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4377	};
3284	}	4378	}
		4379
		4380	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4381	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4382	};
		4383	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4385	};
		4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4388	};
		4389
		4390	info "database initialised";
3285	}	4391	}
3286		4392
3287	{	4393	{
		4394	# configure IO::AIO
		4395
		4396	info "initialising aio";
3288	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4399	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,	4400	info "aio initialised";
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4401	}
3301		4402
3302	my $_log_backtrace;	4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
3303		4405
3304	sub _log_backtrace {	4406	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4407	my ($msg, @addr) = @_;
3306		4408
3307	$msg =~ s/\n//;	4409	$msg =~ s/\n$//;
3308		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4414	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
3312	async {	4419	async {
		4420	$Coro::current->{desc} = "abt $msg";
		4421
3313	my @bt = fork_call {	4422	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4423	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4424	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4425	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4426	or die "addr2line: $!";
…		…
3325	}	4434	}
3326		4435
3327	@funcs	4436	@funcs
3328	};	4437	};
3329		4438
3330	LOG llevInfo, "[ABT] $msg\n";	4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4441	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4442	--$_log_backtrace;
3333	};	4443	};
3334	} else {	4444	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4445	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4447	}
3338	}	4448	}
3339		4449
3340	# load additional modules	4450	# load additional modules
3341	use cf::pod;	4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
3342		4453
3343	END { cf::emergency_save }	4454	END { cf::emergency_save }
3344		4455
3345	1	4456	1
3346		4457

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