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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.338 by root, Tue Aug 21 01:07:47 2007 UTC vs.
Revision 1.600 by root, Sun Nov 11 04:31:57 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 3.64 ();	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;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	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;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	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;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		145
84	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		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
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	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.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	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
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	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
176	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
177	that call.	282	that call.
178		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
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$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;
191		307
192	utf8::encode $msg;
193	LOG llevError, $msg;	308	LOG llevWarn, $msg;
194	};	309	};
195	}	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	};
196		324
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	335	for my $pkg (qw(
208	cf::global cf::attachable	336	cf::global cf::attachable
209	cf::object cf::object::player	337	cf::object cf::object::player
210	cf::client cf::player	338	cf::client cf::player
211	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
212	cf::map cf::party cf::region	341	cf::party cf::region
213	)) {	342	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	344	}
217		345
218	$Event::DIED = sub {	346	$EV::DIED = sub {
219	warn "error in event callback: @_";	347	warn "error in event callback: $@";
220	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
221		354
222	#############################################################################	355	#############################################################################
223		356
224	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
225		358
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	380	$d
248	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
249	}	382	}
250		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
251	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
252		437
253	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
254		439
255	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
256		441
257	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
258		443
259	=cut	444	=cut
260		445
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		447
263	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		512
266	=item cf::lock_wait $string	513	=item cf::lock_wait $string
267		514
268	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
269		516
270	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
271		518
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
275	returned.	522	returned.
276		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
277	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
278	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
279		529
280	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
281		531
282	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.
283		533
284	=cut	534	=cut
285		535
286	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
287		537
288	sub lock_wait($) {	538	sub lock_wait($) {
289	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	540	}
297		541
298	sub lock_acquire($) {	542	sub lock_acquire($) {
299	my ($key) = @_;	543	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	544	}
311		545
312	sub lock_active($) {	546	sub lock_active($) {
313	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	548	}
317		549
318	sub freeze_mainloop {	550	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
320		552
321	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	554	}
323	};	555
324	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
325	$guard	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
326	}	569	}
327		570
328	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
329		572
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	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 les than zero, interactive jobs
		579	should use 100 or more.
333		580
334	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
336		583
337	Useful for short background jobs.	584	Useful for short background jobs.
338		585
339	=cut	586	=cut
340		587
341	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
343		591
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
346	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
347		598
348	while () {	599	while () {
349	next_job:	600	next_job:
		601
350	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	603
352	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	608	$job->[2]->send;
356	Coro::cede;	609	Coro::cede;
357	goto next_job;	610	goto next_job;
358	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	613	}
360	}	614	}
361		615
362	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	619	} else {
		620	$busy = 0;
367	Coro::schedule;	621	Coro::schedule;
368	}	622	}
369	}	623	}
370	};	624	};
371		625
372	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
373	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
374		630
375	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
376	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
377		634
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
391		648
392	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
393		650
394	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
395		652
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	656	acceptable.
400		657
401	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
402	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
…		…
406	=cut	663	=cut
407		664
408	sub sync_job(&) {	665	sub sync_job(&) {
409	my ($job) = @_;	666	my ($job) = @_;
410		667
411	if ($Coro::current == $Coro::main) {	668	if (in_main) {
412	my $time = Event::time;	669	my $time = AE::time;
413		670
414	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
416		673
417	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	675
419	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
420		677
421	my $busy = 1;	678	my $busy = 1;
422	my @res;	679	my @res;
423		680
424	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	683	@res = eval { $job->() };
426	warn $@ if $@;	684	error $@ if $@;
427	undef $busy;	685	undef $busy;
428	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
429		687
430	while ($busy) {	688	while ($busy) {
431	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
432	}	693	}
		694	}
433		695
434	$time = Event::time - $time;	696	my $time = AE::time - $time;
435		697
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
440		699
441	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
442	} else {	701	} else {
443	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
444		703
…		…
464	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
465		724
466	$coro	725	$coro
467	}	726	}
468		727
469	=item fork_call { }, $args	728	=item fork_call { }, @args
470		729
471	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
472	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
475		734
476	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
477		740
478	sub fork_call(&@) {	741	sub fork_call(&@) {
479	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
480		743
481	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
484		747
485	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
486	reset_signals;	749	cf::post_fork;
487	&$cb	750	&$cb
488	}, @args;	751	} @args;
489		752
490	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
491	}	792	}
492		793
493	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
494		795
495	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
498		799
499	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
502	=cut	808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
503		829
504	our $DB;	830	our $DB;
505		831
506	sub db_init {	832	sub db_init {
507	unless ($DB) {	833	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	834	}
522		835
523	sub db_get($$) {	836	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
525		838
526	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
527	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
528		843
529	$! ? ()	844	$! ? ()
530	: $data	845	: $data
531	}
532	}	846	}
533		847
534	sub db_put($$$) {	848	sub db_put($$$) {
535	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		878
565	my @data;	879	my @data;
566	my $md5;	880	my $md5;
567		881
568	for (0 .. $#$src) {	882	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	884	}
572		885
573	# if processing is expensive, check	886	# if processing is expensive, check
574	# checksum first	887	# checksum first
575	if (1) {	888	if (1) {
576	$md5 =	889	$md5 =
577	join "\x00",	890	join "\x00",
578	$processversion,	891	$processversion,
579	map {	892	map {
580	Coro::cede;	893	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	895	} 0.. $#$src;
583		896
584		897
585	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
588		901
589	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
590	}	903	}
591	}	904	}
592		905
593	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
594	my $data = $process->(\@data);	907	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
596		909
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		911
599	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
602		915
…		…
612		925
613	=cut	926	=cut
614		927
615	sub datalog($@) {	928	sub datalog($@) {
616	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	931	}
619		932
620	=back	933	=back
621		934
622	=cut	935	=cut
623		936
624	#############################################################################	937	#############################################################################
625		938
626	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
627		940
628	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
631		944
632	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	947	Deliantra).
635		948
636	=over 4	949	=over 4
637		950
638	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
639		952
…		…
683	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
684		997
685	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
687		1000
688	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
690		1003
691	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
692		1005
693	=over 4	1006	=over 4
…		…
817		1130
818	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1133
821	} elsif (ref $type) {	1134	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
823		1136
824	} else {	1137	} else {
825	shift @arg;	1138	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
827	}	1140	}
828	}	1141	}
829	}	1142	}
830		1143
831	sub _object_attach {	1144	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
842	}	1155	}
843		1156
844	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
845	} else {	1158	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1160	}
848		1161
849	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
850	}	1163	}
851		1164
…		…
910		1223
911	for (@$callbacks) {	1224	for (@$callbacks) {
912	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
913		1226
914	if ($@) {	1227	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1229	override;
918	}	1230	}
919		1231
920	return 1 if $override;	1232	return 1 if $override;
921	}	1233	}
922		1234
923	0	1235	0
924	}	1236	}
925		1237
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1239
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1241
930	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
931		1243
…		…
937		1249
938	=cut	1250	=cut
939		1251
940	#############################################################################	1252	#############################################################################
941	# object support	1253	# object support
942	#
943		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
944	sub _can_merge {	1288	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1289	my ($ob1, $ob2) = @_;
946		1290
947	local $Storable::canonical = 1;	1291	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1292
951	$fob1 eq $fob2	1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
952	}	1295	}
953		1296
954	sub reattach {	1297	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1299	my ($obj) = @_;
957		1300
		1301	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1303
960	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
961		1305
962	@$registry = ();	1306	@$registry = ();
963		1307
…		…
968	for (@$attach) {	1312	for (@$attach) {
969	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
971	}	1315	}
972	} else {	1316	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1318	}
975	}	1319	}
976	}	1320	}
977		1321
978	cf::attachable->attach (	1322	cf::attachable->attach (
979	prio => -1000000,	1323	prio => -1000000,
980	on_instantiate => sub {	1324	on_instantiate => sub {
981	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
982		1326
983	$data = from_json $data;	1327	$data = decode_json $data;
984		1328
985	for (@$data) {	1329	for (@$data) {
986	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
987		1331
988	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1348	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1006		1350
1007	sync_job {	1351	sync_job {
1008	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1011		1357
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
1016	close $fh;	1365	aio_close $fh;
1017		1366
1018	if (@$objs) {	1367	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1024	close $fh;	1376	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1378	}
1027	} else {	1379	} else {
1028	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1029	}	1381	}
1030		1382
1031	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1387	} else {
1033	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1034	}	1389	}
1035	} else {	1390	} else {
1036	aio_unlink $filename;	1391	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1038	}	1393	}
1039	}	1394	};
1040	}	1395	}
1041		1396
1042	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
1044		1399
…		…
1056	or return;	1411	or return;
1057		1412
1058	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1415	or return;
		1416
1061	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1062	}	1419	}
1063		1420
		1421	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1066	return ($data, $av);	1426	($data, $av)
1067	}	1427	}
1068		1428
1069	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1070		1430
1071	=over 4	1431	=over 4
…		…
1073	=cut	1433	=cut
1074		1434
1075	#############################################################################	1435	#############################################################################
1076	# command handling &c	1436	# command handling &c
1077		1437
1078	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1079		1439
1080	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1081	$name.	1441	$name.
1082		1442
1083	=cut	1443	=cut
…		…
1089	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1090		1450
1091	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1092	}	1452	}
1093		1453
1094	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1095		1455
1096	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1097	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1098	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1099	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1100	has logged in successfully.	1460	has logged in successfully.
1101		1461
1102	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1103	called.
1104		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1105	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1106		1470
1107	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1108	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1109	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1110	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1111	log-in.	1475	log-in.
1112		1476
1113	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1114	called.
1115		1478
1116	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1117		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1118	sub register_extcmd {	1486	sub register_extcmd($$) {
1119	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1120		1488
1121	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1122	}	1490	}
1123		1491
1124	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1125	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1126		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1127	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1128	}	1502	}
1129		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1130	cf::player->attach (	1512	cf::player->attach (
1131	on_command => sub {	1513	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1133		1515
1134	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1135	or return;	1517	or return;
1136		1518
…		…
1144	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1145		1527
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1529
1148	if (ref $msg) {	1530	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1532
1154	my @reply;
1155
1156	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1157	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1158	}	1551	}
1159		1552
1160	$pl->ext_reply ($reply, @reply)
1161	if $reply;
1162
1163	} else {	1553	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1555	}
1166		1556
1167	cf::override;	1557	cf::override;
1168	},	1558	},
1169	);	1559	);
1170		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1171	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1172	cf::sync_job {	1590	cf::sync_job {
1173	my %todo;	1591	my %todo;
1174		1592
1175	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1594	next unless -r $path;
…		…
1194		1612
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1615
1198	$ext{source} =	1616	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1201	. $source	1619	. $source
1202	. "\n};\n1";	1620	. "\n};\n1";
1203		1621
1204	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1205	}	1623	}
1206		1624
		1625	my $pass = 0;
1207	my %done;	1626	my %done;
1208	while (%todo) {	1627	while (%todo) {
1209	my $progress;	1628	my $progress;
1210		1629
		1630	++$pass;
		1631
		1632	ext:
1211	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1635	next ext
1214	unless exists $done{$_};	1636	unless exists $done{$_};
1215	}	1637	}
1216		1638
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1640
1219	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1224	warn $msg;	1657
1225	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1659	delete $todo{$k};
1227	}	1660	} else {
1228		1661	$done{$k} = delete $todo{$k};
1229	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1230	}	1667	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1668	}
1236		1669
1237	skip:	1670	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1240	}	1680	}
1241	};	1681	};
1242	}	1682	}
1243		1683
1244	#############################################################################	1684	#############################################################################
1245		1685
1246	=back	1686	=back
1247		1687
1248	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1249		1689
1250	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1251		1691
1252	=cut	1692	=cut
1253		1693
1254	package cf::player;	1694	package cf::player;
1255		1695
1256	use Coro::AIO;	1696	use Coro::AIO;
1257		1697
1258	=head3 cf::player	1698	=head3 cf::player
1259		1699
1260	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1261		1715
1262	=item cf::player::find $login	1716	=item cf::player::find $login
1263		1717
1264	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1265		1719
…		…
1284		1738
1285	sub exists($) {	1739	sub exists($) {
1286	my ($login) = @_;	1740	my ($login) = @_;
1287		1741
1288	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1290	}	1744	}
1291		1745
1292	sub find($) {	1746	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1748	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1759
1306	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1309	}	1769	}
1310	}	1770	}
1311	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1312		1785
1313	sub save($) {	1786	sub save($) {
1314	my ($pl) = @_;	1787	my ($pl) = @_;
1315		1788
1316	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1322		1795
1323	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1325		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1326	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1327	Coro::cede;	1805	cf::cede_to_tick;
1328	}	1806	}
1329		1807
1330	sub new($) {	1808	sub new($) {
1331	my ($login) = @_;	1809	my ($login) = @_;
1332		1810
…		…
1361	my ($pl) = @_;	1839	my ($pl) = @_;
1362		1840
1363	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1364		1842
1365	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1845
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1371	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1372		1854
1373	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1410	or return [];	1892	or return [];
1411		1893
1412	my @logins;	1894	my @logins;
1413		1895
1414	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1418		1906
1419	utf8::decode $login;	1907	utf8::decode $login;
1420	push @logins, $login;	1908	push @logins, $login;
1421	}	1909	}
1422		1910
1423	\@logins	1911	\@logins
1424	}	1912	}
1425		1913
1426	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1427		1917
1428	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1429	player. May block.	1919	player. May block.
1430		1920
1431	=cut	1921	=cut
…		…
1449	}	1939	}
1450		1940
1451	\@paths	1941	\@paths
1452	}	1942	}
1453		1943
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1945
1456	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503
1504	=item $player->ext_reply ($msgid, @msg)
1505
1506	Sends an ext reply to the player.
1507
1508	=cut
1509
1510	sub ext_reply($$@) {
1511	my ($self, $id, @msg) = @_;
1512
1513	$self->ns->ext_reply ($id, @msg)
1514	}
1515		1947
1516	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1517		1949
1518	Sends an ext event to the client.	1950	Sends an ext event to the client.
1519		1951
…		…
1539		1971
1540	=cut	1972	=cut
1541		1973
1542	sub find_by_path($) {	1974	sub find_by_path($) {
1543	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1544		1978
1545	my ($match, $specificity);	1979	my ($match, $specificity);
1546		1980
1547	for my $region (list) {	1981	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1576		2010
1577	sub generate_random_map {	2011	sub generate_random_map {
1578	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1580	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	2017	}
1594		2018
1595	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1596		2020
1597	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1602		2026
1603	sub register {	2027	sub register {
1604	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	2029	my $pkg = caller;
1606		2030
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		2032
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	2034	}
1612		2035
1613	# also paths starting with '/'	2036	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		2038
1616	sub thawer_merge {	2039	sub thawer_merge {
1617	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1618		2041
1619	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1624	}	2047	}
1625		2048
1626	sub normalise {	2049	sub normalise {
1627	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1628		2051
1629	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1630		2053
1631	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1632		2055
1633	# map plan:	2056	# map plan:
1634	#	2057	#
…		…
1649	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	2073	$path = "$base/$path";
1651	}	2074	}
1652		2075
1653	for ($path) {	2076	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1657	}	2079	}
1658		2080
1659	$path	2081	$path
…		…
1673	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1674	return $self;	2096	return $self;
1675	}	2097	}
1676	}	2098	}
1677		2099
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	2101	()
1680	}	2102	}
1681		2103
		2104	# may re-bless or do other evil things
1682	sub init {	2105	sub init {
1683	my ($self) = @_;	2106	my ($self) = @_;
1684		2107
1685	$self	2108	$self
1686	}	2109	}
…		…
1705		2128
1706	# the temporary/swap location	2129	# the temporary/swap location
1707	sub save_path {	2130	sub save_path {
1708	my ($self) = @_;	2131	my ($self) = @_;
1709		2132
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1712	}	2135	}
1713		2136
1714	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1715	sub uniq_path {	2138	sub uniq_path {
1716	my ($self) = @_;	2139	my ($self) = @_;
1717		2140
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2143	}
1730		2144
1731	sub decay_objects {	2145	sub decay_objects {
1732	my ($self) = @_;	2146	my ($self) = @_;
1733		2147
…		…
1746		2160
1747	sub load_header_from($) {	2161	sub load_header_from($) {
1748	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1749		2163
1750	utf8::encode $path;	2164	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2166	or return;
1756		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1757	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1758		2175
1759	1	2176	1
1760	}	2177	}
1761		2178
		2179	# used to laod the header of an original map
1762	sub load_header_orig {	2180	sub load_header_orig {
1763	my ($self) = @_;	2181	my ($self) = @_;
1764		2182
1765	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1766	}	2184	}
1767		2185
		2186	# used to laod the header of an instantiated map
1768	sub load_header_temp {	2187	sub load_header_temp {
1769	my ($self) = @_;	2188	my ($self) = @_;
1770		2189
1771	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1772	}	2191	}
1773		2192
		2193	# called after loading the header from an instantiated map
1774	sub prepare_temp {	2194	sub prepare_temp {
1775	my ($self) = @_;	2195	my ($self) = @_;
1776		2196
1777	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1778	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1779	# safety	2199	# safety
1780	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1781	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1782	}	2202	}
1783		2203
		2204	# called after loading the header from an original map
1784	sub prepare_orig {	2205	sub prepare_orig {
1785	my ($self) = @_;	2206	my ($self) = @_;
1786		2207
1787	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1788	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1812		2233
1813	sub find;	2234	sub find;
1814	sub find {	2235	sub find {
1815	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1816		2237
		2238	cf::cede_to_tick;
		2239
1817	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1818		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2244
1821	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1824	or return;	2247	or return;
1825		2248
1826	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1827		2250
…		…
1829	or return;	2252	or return;
1830		2253
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1834	$map->reset;	2259	$map->reset;
1835	undef $guard;
1836	return find $path;	2260	return find $path;
1837	}	2261	}
1838		2262
1839	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1840	}	2264	}
1841	}	2265	}
1842		2266
1843	sub pre_load { }	2267	sub pre_load { }
1844	sub post_load { }	2268	#sub post_load { } # XS
1845		2269
1846	sub load {	2270	sub load {
1847	my ($self) = @_;	2271	my ($self) = @_;
1848		2272
1849	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1850		2274
1851	my $path = $self->{path};	2275	my $path = $self->{path};
1852		2276
1853	{	2277	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1855		2279
		2280	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1857
1858	$self->in_memory (cf::MAP_LOADING);
1859		2282
1860	$self->alloc;	2283	$self->alloc;
1861		2284
1862	$self->pre_load;	2285	$self->pre_load;
1863	Coro::cede;	2286	cf::cede_to_tick;
1864		2287
1865	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1866	or return;	2292	or return;
1867		2293
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1869	if delete $self->{load_original};	2295	if delete $self->{load_original};
1870		2296
1871	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2298	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2301	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1876	}	2306	}
1877	}
1878		2307
1879	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1880	# now do the right thing for maps	2317	# now do the right thing for maps
1881	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2320	unless $self->difficulty;
1884	Coro::cede;	2321	cf::cede_to_tick;
1885		2322
1886	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2324	$self->decay_objects;
1888	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1889	$self->update_buttons;	2326	$self->update_buttons;
1890	Coro::cede;	2327	cf::cede_to_tick;
1891	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1892	Coro::cede;
1893	$self->activate;
1894	}	2329	}
1895		2330
1896	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
1898
1899	$self->in_memory (cf::MAP_IN_MEMORY);
1900	}	2333	}
1901		2334
1902	$self->post_load;	2335	$self->post_load;
1903	}
1904		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2343	sub customise_for {
1906	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1907		2345
1908	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2347	if $self->per_player;
…		…
1912	# if $self->per_party;	2350	# if $self->per_party;
1913		2351
1914	$self	2352	$self
1915	}	2353	}
1916		2354
1917	# find and load all maps in the 3x3 area around a map
1918	sub load_neighbours {
1919	my ($map) = @_;
1920
1921	my @neigh; # diagonal neighbours
1922
1923	for (0 .. 3) {
1924	my $neigh = $map->tile_path ($_)
1925	or next;
1926	$neigh = find $neigh, $map
1927	or next;
1928	$neigh->load;
1929
1930	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}
1934
1935	for (grep defined $_->[0], @neigh) {
1936	my ($path, $origin) = @$_;
1937	my $neigh = find $path, $origin
1938	or next;
1939	$neigh->load;
1940	}
1941	}
1942
1943	sub find_sync {	2355	sub find_sync {
1944	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1945		2357
1946	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1947	}	2363	}
1948		2364
1949	sub do_load_sync {	2365	sub do_load_sync {
1950	my ($map) = @_;	2366	my ($map) = @_;
1951		2367
1952	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1953	}	2373	}
1954		2374
1955	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1956	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1957		2377
1958	sub find_async {	2378	sub find_async {
1959	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1960		2380
1961	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1962		2382
1963	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1964	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1965	}	2385	}
1966		2386
1967	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1968	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1969	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1970	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1971	if (my $map = find $path) {	2394	if (my $map = find $k) {
1972	$map->load;	2395	$map->load if $v;
1973	}	2396	}
1974		2397
1975	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1976	}	2399	}
1977	}	2400	}
1978	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1979	};	2402	};
1980	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1981		2404
1982	()	2405	()
1983	}	2406	}
1984		2407
		2408	# common code, used by both ->save and ->swapout
1985	sub save {	2409	sub _save {
1986	my ($self) = @_;	2410	my ($self) = @_;
1987
1988	my $lock = cf::lock_acquire "map_data:" . $self->path;
1989		2411
1990	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1991		2413
1992	return unless $self->dirty;	2414	return unless $self->dirty;
1993		2415
…		…
1999	return if $self->{deny_save};	2421	return if $self->{deny_save};
2000		2422
2001	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
2002		2424
2003	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
2004	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2005	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2006		2431
2007	if ($uniq) {	2432	if ($uniq) {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2009	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2010	} else {	2435	} else {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2012	}	2437	}
2013	}	2438	}
2014		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2015	sub swap_out {	2448	sub swap_out {
2016	my ($self) = @_;	2449	my ($self) = @_;
2017		2450
2018	# save first because save cedes
2019	$self->save;
2020
2021	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2022		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2023	return if $self->players;	2455	return if $self->players;
2024	return if $self->in_memory != cf::MAP_IN_MEMORY;
2025	return if $self->{deny_save};
2026		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
2027	$self->clear;	2466	$self->clear;
2028	$self->in_memory (cf::MAP_SWAPPED);
2029	}	2467	}
2030		2468
2031	sub reset_at {	2469	sub reset_at {
2032	my ($self) = @_;	2470	my ($self) = @_;
2033		2471
…		…
2051		2489
2052	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
2053		2491
2054	return if $self->players;	2492	return if $self->players;
2055		2493
2056	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
2057		2495
2058	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
2059		2497
2060	# need to save uniques path	2498	# need to save uniques path
2061	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
2062	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
2063		2501
…		…
2065	if $uniq;	2503	if $uniq;
2066	}	2504	}
2067		2505
2068	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
2069		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
2070	$self->clear;	2510	$self->clear;
2071
2072	$_->clear_links_to ($self) for values %cf::MAP;
2073		2511
2074	$self->unlink_save;	2512	$self->unlink_save;
2075	$self->destroy;	2513	$self->destroy;
2076	}	2514	}
2077		2515
2078	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2079		2517
2080	sub nuke {	2518	sub nuke {
2081	my ($self) = @_;	2519	my ($self) = @_;
2082		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2083	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2084		2525
2085	$self->unlink_save;	2526	$self->unlink_save;
2086		2527
2087	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2088	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2089	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2090	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2091	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2092		2533
2093	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2094		2536
2095	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2096	}	2538	}
2097		2539
2098	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2140		2582
2141	sub unique_maps() {	2583	sub unique_maps() {
2142	[	2584	[
2143	map {	2585	map {
2144	utf8::decode $_;	2586	utf8::decode $_;
2145	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2146	? normalise $_	2590	: normalise $_
2147	: ()
2148	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2149	]	2592	]
2150	}	2593	}
2151		2594
2152	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2153		2626
2154	=back	2627	=back
2155		2628
2156	=head3 cf::object	2629	=head3 cf::object
2157		2630
…		…
2161		2634
2162	=over 4	2635	=over 4
2163		2636
2164	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2165		2638
2166	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2167		2641
2168	=cut	2642	=cut
2169		2643
2170	sub inv_recursive_;	2644	sub inv_recursive_;
2171	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2174		2648
2175	sub inv_recursive {	2649	sub inv_recursive {
2176	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2177	}	2651	}
2178		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2179	package cf;	2681	package cf;
2180		2682
2181	=back	2683	=back
2182		2684
2183	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2189	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2190	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2191	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2192		2694
2193	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
2194		2710
2195	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2196	# with dialog boxes.	2712	# with dialog boxes.
2197	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2198	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2210	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2212		2728
2213	} else {	2729	} else {
2214	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2215	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2216	}	2732	}
2217	}	2733	}
2218	}	2734	}
2219		2735
2220	=item $object->send_msg ($channel, $msg, $color, [extra...])	2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2245		2761
2246	=item $player_object->enter_link	2762	=item $player_object->enter_link
2247		2763
2248	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2249		2765
2250	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2251	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2252		2770
2253	Will never block.	2771	Will never block.
2254		2772
2255	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2256		2774
…		…
2276	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2277	my ($self) = @_;	2795	my ($self) = @_;
2278		2796
2279	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2280		2798
		2799	++$self->{_link_recursion};
		2800
2281	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2282		2802
2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2284	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2285		2805
2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2287	}	2807	}
2288		2808
2289	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2290	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2291		2811
…		…
2308	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2309	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2310		2830
2311	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2312	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2313	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2314		2834
2315	$map->load;	2835	$map->load;
2316	$map->load_neighbours;
2317		2836
2318	return unless $self->contr->active;	2837	return unless $self->contr->active;
2319	$self->activate_recursive;
2320		2838
2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2322	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2323	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2324		2846
		2847	}
		2848
2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2326		2850
2327	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2328	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2329	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2330	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2331	be called at the end of this process.	2855	be called at the end of this process.
2332		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2333	=cut	2860	=cut
2334		2861
2335	our $GOTOGEN;	2862	our $GOTOGEN;
2336		2863
2337	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2338	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
2339		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
2340	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2342		2875
2343	$self->enter_link;	2876	$self->enter_link;
2344		2877
2345	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2346	my $map = eval {	2900	my $map = eval {
2347	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2348		2902
2349	if ($map) {	2903	if ($map) {
2350	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2351	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2352	} else {	2906	} else {
2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2354	}	2908	}
2355		2909
2356	$map	2910	$map
2357	};	2911	};
2358		2912
…		…
2364	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2365	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2366	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2367	}	2921	}
2368		2922
2369	$done->() if $done;	2923	$done->($self) if $done;
2370	})->prio (1);	2924	})->prio (1);
2371	}	2925	}
2372		2926
2373	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2374		2928
…		…
2394	}	2948	}
2395		2949
2396	sub prepare_random_map {	2950	sub prepare_random_map {
2397	my ($exit) = @_;	2951	my ($exit) = @_;
2398		2952
2399	my $guard = cf::lock_acquire "exit_prepare:$exit";
2400
2401	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2402	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2403	# that depends on the exit object	2955	# that depends on the exit object
2404		2956
2405	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2407	if ($exit->map) {	2959	if ($exit->map) {
2408	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2409	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2410	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2411	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2412	}	2966	}
2413		2967
2414	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2415		2969
2416	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2417	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2418	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2419		2973
2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2421	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2422	undef $fh;	2976	undef $fh;
2423	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2424		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2425	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2426	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2427	}	2985	}
2428	}	2986	}
2429		2987
2430	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2431	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2432		2990
2433	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2434		2992
2435	if ($exit->slaying eq "/!") {
2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
2437	# the problem is that $exit might not survive long enough
2438	# so it needs to be done right now, right here
2439	cf::sync_job { prepare_random_map $exit };
2440	}
2441
2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2443	my $hp = $exit->stats->hp;
2444	my $sp = $exit->stats->sp;
2445
2446	$self->enter_link;	2993	$self->enter_link;
2447		2994
2448	# if exit is damned, update players death & WoR home-position
2449	$self->contr->savebed ($slaying, $hp, $sp)
2450	if $exit->flag (FLAG_DAMNED);
2451
2452	(async {	2995	(async {
2453	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2454	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2455	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2456		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2457	1;	3034	1
2458	}) {	3035	}) {
2459	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2460	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2461	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2462	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2463		3040
2464	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2465	$self->leave_link;	3042	$self->leave_link;
2466	}	3043	}
2467	})->prio (1);	3044	})->prio (1);
2468	}	3045	}
2469		3046
…		…
2481	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2482	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2483		3060
2484	utf8::encode $text;	3061	utf8::encode $text;
2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2486	}	3088	}
2487		3089
2488	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2489		3091
2490	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2492	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2493	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2494		3096
2495	=cut	3097	=cut
2496		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
2497	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2498	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2499		3215
2500	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2501		3218
2502	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2503		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
2504	if (ref $channel) {	3228	} elsif (ref $channel) {
2505	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2506	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2507	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2508	$self->ext_msg (channel_info => $channel);	3232	$self->ext_msg (channel_info => $channel);
2509	}	3233	}
…		…
2511	$channel = $channel->{id};	3235	$channel = $channel->{id};
2512	}	3236	}
2513		3237
2514	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2515		3239
2516	if ($self->can_msg) {
2517	# default colour, mask it out	3240	# default colour, mask it out
2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2519	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2520		3243
2521	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2523	} else {	3247	);
2524	if ($color >= 0) {
2525	# replace some tags by gcfclient-compatible ones
2526	for ($msg) {
2527	1 while
2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2533	}
2534		3248
2535	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2536
2537	utf8::encode $msg;
2538
2539	if (0 && $msg =~ /\[/) {
2540	# COMMAND/INFO
2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
2542	} else {
2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2544	$self->send_packet ("drawinfo $color $msg")
2545	}
2546	}
2547	}
2548	}	3250	}
2549		3251
2550	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2551		3253
2552	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2554	=cut	3256	=cut
2555		3257
2556	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2557	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2558		3260
2559	my $extcmd = $self->extcmd;
2560
2561	if ($extcmd == 2) {
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2563	} elsif ($extcmd == 1) { # TODO: remove
2564	push @msg, msgtype => "event_$type";
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2566	}
2567	}
2568
2569	=item $client->ext_reply ($msgid, @msg)
2570
2571	Sends an ext reply to the client.
2572
2573	=cut
2574
2575	sub cf::client::ext_reply($$@) {
2576	my ($self, $id, @msg) = @_;
2577
2578	if ($self->extcmd == 2) {
2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2580	} elsif ($self->ns->extcmd == 1) {
2581	#TODO: version 1, remove
2582	unshift @msg, msgtype => "reply", msgid => $id;
2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2584	}
2585	}	3262	}
2586		3263
2587	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2588		3265
2589	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2644	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2645		3322
2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2647		3324
2648	if (ref $msg) {	3325	if (ref $msg) {
2649	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2650	"ARRAY" eq ref $msg
2651	? @$msg
2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2653		3327
2654	my @reply;
2655
2656	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
2657	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2658	}	3346	}
2659
2660	$ns->ext_reply ($reply, @reply)
2661	if $reply;
2662
2663	} else {	3347	} else {
2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2665	}	3349	}
2666		3350
2667	cf::override;	3351	cf::override;
2668	},	3352	},
2669	);	3353	);
…		…
2689		3373
2690	$coro	3374	$coro
2691	}	3375	}
2692		3376
2693	cf::client->attach (	3377	cf::client->attach (
2694	on_destroy => sub {	3378	on_client_destroy => sub {
2695	my ($ns) = @_;	3379	my ($ns) = @_;
2696		3380
2697	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2698	},	3382	},
2699	);	3383	);
…		…
2715	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2716		3400
2717	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2718		3402
2719	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
2720	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
2721	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
2722	sort time	3406	sort time
2723	));	3407	));
2724		3408
2725	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
2727	=pod	3411	=pod
2728		3412
2729	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2730		3414
2731	cf::object	3415	cf::object
2732	contr pay_amount pay_player map x y force_find force_add	3416	contr pay_amount pay_player map x y force_find force_add destroy
2733	insert remove name archname title slaying race	3417	insert remove name archname title slaying race decrease split
		3418	value
2734		3419
2735	cf::object::player	3420	cf::object::player
2736	player	3421	player
2737		3422
2738	cf::player	3423	cf::player
…		…
2743		3428
2744	=cut	3429	=cut
2745		3430
2746	for (	3431	for (
2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2748	insert remove inv name archname title slaying race)],	3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2749	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2750	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2751	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2752	) {	3438	) {
2753	no strict 'refs';
2754	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2755	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2756	for @funs;	3441	for @funs;
2757	}	3442	}
2758		3443
…		…
2773		3458
2774	my $qcode = $code;	3459	my $qcode = $code;
2775	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2776	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2777		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2778	local $_;	3466	local $_;
2779	local @safe::cf::_safe_eval_args = values %vars;
2780		3467
2781	my $eval =	3468	my $eval =
2782	"do {\n"	3469	"do {\n"
2783	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2784	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2785	. $code	3472	. $code
2786	. "\n}"	3473	. "\n}"
2787	;	3474	;
2788		3475
		3476	if ($CFG{safe_eval}) {
2789	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2790	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2791	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2792		3485
2793	if ($@) {	3486	if ($@) {
2794	warn "$@";	3487	warn "$@",
2795	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2796	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2797	}	3490	}
2798		3491
2799	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2800	}	3493	}
2801		3494
…		…
2815	=cut	3508	=cut
2816		3509
2817	sub register_script_function {	3510	sub register_script_function {
2818	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2819		3512
2820	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2821	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2822	}	3515	}
2823		3516
2824	=back	3517	=back
2825		3518
2826	=cut	3519	=cut
2827		3520
2828	#############################################################################	3521	#############################################################################
2829	# the server's init and main functions	3522	# the server's init and main functions
2830		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
2831	sub load_facedata($) {	3596	sub load_facedata($) {
2832	my ($path) = @_;	3597	my ($path) = @_;
2833		3598
2834	my $enc = JSON::XS->new->utf8->canonical;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2835		3600
2836	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
2837		3602
2838	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
2839	0 < aio_load $path, $facedata
2840	or die "$path: $!";
2841
2842	$facedata = Coro::Storable::thaw $facedata;
2843		3604
2844	$facedata->{version} == 2	3605	$facedata->{version} == 2
2845	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2846		3607
2847	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2848	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
2849	type => FT_RSRC,	3610
2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2851	};	3612
2852	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
2853		3616
2854	{	3617	{
2855	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
2856		3619
2857	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3623
2859	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
2860	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
2863		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph}; # glyphs no longer downloadable via ix
2864	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
2865	}	3630	}
2866		3631
2867	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
2868	next unless $info->{smooth};	3633	next unless $info->{smooth};
		3634
2869	my $idx = cf::face::find $face	3635	my $idx = cf::face::find $face
2870	or next;	3636	or next;
		3637
2871	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
2872	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2874	} else {	3641	} else {
2875	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
2876	}	3643	}
2877
2878	cf::cede_to_tick;
2879	}	3644	}
2880	}	3645	}
2881		3646
2882	{	3647	{
2883	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
2884		3649
2885	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
2886	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
2887	cf::cede_to_tick;
2888	}	3652	}
2889		3653
2890	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
2891	}	3655	}
2892		3656
2893	{	3657	{
2894	# TODO: for gcfclient pleasure, we should give resources
2895	# that gcfclient doesn't grok a >10000 face index.
2896	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
2897		3659
2898	my $soundconf = delete $res->{"res/sound.conf"};
2899
2900	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
		3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2902	my $data;
2903		3664
2904	if ($info->{type} & 1) {	3665	cf::face::set_type $idx, $type;
2905	# prepend meta info	3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
2906		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2907	my $meta = $enc->encode ({	3668	$FACEHASH{$info->{hash}} = $idx;#d#
2908	name => $name,
2909	%{ $info->{meta} || {} },
2910	});
2911
2912	$data = pack "(w/a*)*", $meta, $info->{data};
2913	} else {	3669	} else {
2914	$data = $info->{data};	3670	# $RESOURCE{$name} = $info; # unused
2915	}	3671	}
2916
2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2918	cf::face::set_type $idx, $info->{type};
2919
2920	cf::cede_to_tick;
2921	}
2922
2923	if ($soundconf) {
2924	$soundconf = $enc->decode (delete $soundconf->{data});
2925
2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2927	my $sound = $soundconf->{compat}[$_]
2928	or next;
2929
2930	my $face = cf::face::find "sound/$sound->[1]";
2931	cf::sound::set $sound->[0] => $face;
2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2933	}	3672	}
2934
2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
2936	my $face = cf::face::find "sound/$v";
2937	cf::sound::set $k => $face;
2938	}
2939	}
2940	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
2941		3688
2942	1	3689	1
2943	}	3690	}
2944		3691
2945	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
…		…
2948	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
2949	$ns->fx_want ($k, $v);	3696	$ns->fx_want ($k, $v);
2950	}	3697	}
2951	};	3698	};
2952		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
		3722
2953	sub reload_regions {	3723	sub reload_regions {
		3724	# HACK to clear player env face cache, we need some signal framework
		3725	# for this (global event?)
		3726	%ext::player_env::MUSIC_FACE_CACHE = ();
		3727
2954	load_resource_file "$MAPDIR/regions"	3728	load_resource_file "$MAPDIR/regions"
2955	or die "unable to load regions file\n";	3729	or die "unable to load regions file\n";
2956		3730
2957	for (cf::region::list) {	3731	for (cf::region::list) {
2958	$_->{match} = qr/$_->{match}/	3732	$_->{match} = qr/$_->{match}/
2959	if exists $_->{match};	3733	if exists $_->{match};
2960	}	3734	}
2961	}	3735	}
2962		3736
2963	sub reload_facedata {	3737	sub reload_facedata {
2964	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
2965	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
2966	}	3740	}
2967		3741
2968	sub reload_archetypes {	3742	sub reload_archetypes {
2969	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
2970	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
2971	#d# NEED to laod twice to resolve forward references	3745
2972	# this really needs to be done in an extra post-pass	3746	set_face "res/skill_info" => FT_RSRC,
2973	# (which needs to be synchronous, so solve it differently)	3747	JSON::XS->new->utf8->canonical->encode (
2974	load_resource_file "$DATADIR/archetypes"	3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2975	or die "unable to load archetypes\n";	3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
2976	}	3754	}
2977		3755
2978	sub reload_treasures {	3756	sub reload_treasures {
2979	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
2980	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
2981	}	3759	}
2982		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
2983	sub reload_resources {	3781	sub reload_resources {
2984	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
2985		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
2986	reload_regions;	3789	reload_regions;
2987	reload_facedata;
2988	#reload_archetypes;#d#
2989	reload_archetypes;
2990	reload_treasures;	3790	reload_treasures;
2991		3791
2992	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
2993	}	3793	}
2994		3794
2995	sub init {	3795	sub reload_config {
2996	reload_resources;	3796	trace "reloading config file...\n";
2997	}
2998		3797
2999	sub cfg_load {	3798	my $config = load_file "$CONFDIR/config";
3000	open my $fh, "<:utf8", "$CONFDIR/config"	3799	utf8::decode $config;
3001	or return;	3800	*CFG = decode_yaml $config;
3002		3801
3003	local $/;
3004	*CFG = YAML::Syck::Load <$fh>;
3005
3006	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3007		3803
3008	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3009	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3010		3806
3011	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3015	};	3811	};
3016	warn $@ if $@;	3812	warn $@ if $@;
3017	}	3813	}
3018	}	3814	}
3019		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3020	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3021	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3022	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3023	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3024	(async {	3857	(async {
3025	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
3026	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3027	};	3861	};
3028		3862
3029	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
3030	db_init;	3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
		3877	reload_config;
		3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3031	load_extensions;	3887	load_extensions;
3032		3888
3033	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
3034	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3035	}	3906	}
3036		3907
3037	#############################################################################	3908	#############################################################################
3038	# initialisation and cleanup	3909	# initialisation and cleanup
3039		3910
3040	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3041	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
3042	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3043	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3044	reentrant => 0,
3045	data => WF_AUTOCANCEL,
3046	signal => $signal,
3047	prio => 0,
3048	cb => sub {
3049	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3050	},
3051	);	3917	};
3052	}	3918	}
3053	}	3919	}
3054		3920
3055	sub write_runtime {	3921	sub write_runtime_sync {
3056	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3057		3923
3058	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3059	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3060		3926
3061	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3062		3928
3063	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3064		3930
3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3066	or return;	3932	or return;
3067		3933
3068	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3069	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3070	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3080	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3081		3947
3082	close $fh	3948	close $fh
3083	or return;	3949	or return;
3084		3950
3085	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3086	and return;	3952	and return;
3087		3953
3088	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3089		3955
3090	1	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
3091	}	4007	}
3092		4008
3093	sub emergency_save() {	4009	sub emergency_save() {
3094	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3095		4011
3096	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3097		4018
3098	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3099	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3100	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3101	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3102	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3103	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3104	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3105	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3106	$pl->save;	4030	$pl->save;
3107	}	4031	}
3108	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3109		4033
3110	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3111	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3112	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3113	$map->valid or next;	4039	$map->valid or next;
3114	$map->save;	4040	$map->save;
3115	}	4041	}
3116	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3117		4043
3118	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3119	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3120	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3121	};	4072	};
3122		4073
3123	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3124	}	4075	}
3125		4076
3126	sub post_cleanup {	4077	sub post_cleanup {
3127	my ($make_core) = @_;	4078	my ($make_core) = @_;
3128		4079
		4080	IO::AIO::flush;
		4081
3129	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3130	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3131	}	4112	}
3132		4113
3133	sub do_reload_perl() {	4114	sub do_reload_perl() {
3134	# can/must only be called in main	4115	# can/must only be called in main
3135	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3136	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3137	return;	4118	return;
3138	}	4119	}
3139		4120
3140	warn "reloading...";	4121	return if $RELOAD++;
3141		4122
3142	warn "entering sync_job";	4123	my $t1 = AE::time;
3143		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3144	cf::sync_job {	4131	cf::sync_job {
3145	cf::write_runtime; # external watchdog should not bark
3146	cf::emergency_save;	4132	#cf::emergency_save;
3147	cf::write_runtime; # external watchdog should not bark
3148		4133
3149	warn "syncing database to disk";
3150	BDB::db_env_txn_checkpoint $DB_ENV;
3151
3152	# if anything goes wrong in here, we should simply crash as we already saved
3153
3154	warn "cancelling all WF_AUTOCANCEL watchers";
3155	for (Event::all_watchers) {
3156	$_->cancel if $_->data & WF_AUTOCANCEL;
3157	}
3158
3159	warn "flushing outstanding aio requests";
3160	for (;;) {
3161	BDB::flush;
3162	IO::AIO::flush;
3163	Coro::cede;
3164	last unless IO::AIO::nreqs || BDB::nreqs;
3165	warn "iterate...";
3166	}
3167
3168	++$RELOAD;
3169
3170	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3171	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3172	%EXT_CORO = ();	4136	%EXT_CORO = ();
3173		4137
3174	warn "removing commands";	4138	trace "perl_reload: removing commands";
3175	%COMMAND = ();	4139	%COMMAND = ();
3176		4140
3177	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3178	%EXTCMD = ();	4142	%EXTCMD = ();
3179	%EXTICMD = ();	4143	%EXTICMD = ();
3180		4144
3181	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3182	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3183	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3184		4148
3185	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3186	eval {	4150	eval {
3187	$cb->($pkg);	4151	$cb->($pkg);
3188	1	4152	1
3189	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3190	}	4158	}
3191		4159
3192	warn "... nuking $pkg";
3193	Symbol::delete_package $pkg;
3194	}
3195
3196	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3197	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3198	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3199		4163
3200	warn "... unloading $k";	4164	trace "... unloading $k";
3201	delete $INC{$k};	4165	delete $INC{$k};
3202		4166
3203	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3204	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3205		4169
3206	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3207	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3208	}	4175	}
3209		4176
3210	Symbol::delete_package $k;
3211	}
3212
3213	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3214	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3216		4180
3217	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3218	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3219	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3220		4184
3221	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3222	# and global variables created in xs	4186	# and global variables created in xs
3223	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3224		4188
3225	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3226		4190
3227	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3228	require cf;	4192	require cf;
3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3230		4194
3231	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3232	cf::cfg_load;	4196	cf::reload_config;
3233		4197
3234	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3235	cf::load_extensions;	4199	cf::load_extensions;
3236		4200
		4201	if ($REATTACH_ON_RELOAD) {
3237	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3238	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3239	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3240	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3241	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3242	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3243		4209
3244	warn "leaving sync_job";	4210	cf::_post_init 1;
3245		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3246	1	4214	1
3247	} or do {	4215	} or do {
3248	warn $@;	4216	error $@;
3249	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3250	exit 1;	4218	};
		4219
		4220	--$RELOAD;
3251	};	4221	}
3252		4222
3253	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3254	};	4225	};
3255		4226
3256	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3257		4228
3258	sub reload_perl() {	4229	sub reload_perl() {
3259	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3260	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3261		4232
3262	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
3263	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
3264	after => 0,	4235
3265	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3266	cb => sub {
3267	do_reload_perl;	4237	do_reload_perl;
3268	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
3269	},	4239	};
3270	);	4240	};
3271	}	4241	}
3272		4242
3273	register_command "reload" => sub {	4243	register_command "reload" => sub {
3274	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
3275		4245
3276	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
3277	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
3278	async { reload_perl };	4250	reload_perl;
		4251	};
3279	}	4252	}
3280	};	4253	};
3281		4254
3282	unshift @INC, $LIBDIR;	4255	#############################################################################
3283		4256
3284	my $bug_warning = 0;	4257	my $bug_warning = 0;
3285		4258
3286	our @WAIT_FOR_TICK;
3287	our @WAIT_FOR_TICK_BEGIN;
3288
3289	sub wait_for_tick {	4259	sub wait_for_tick() {
3290	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3291	return if $Coro::current == $Coro::main;
3292		4261
3293	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3294	push @WAIT_FOR_TICK, $signal;
3295	$signal->wait;
3296	}	4263	}
3297		4264
3298	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3299	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3300	return if $Coro::current == $Coro::main;
3301		4267
3302	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3303	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3304	$signal->wait;	4270	$signal->wait;
3305	}	4271	}
3306		4272
3307	my $min = 1e6;#d#	4273	sub tick {
3308	my $avg = 10;
3309	$TICK_WATCHER = Event->timer (
3310	reentrant => 0,
3311	parked => 1,
3312	prio => 0,
3313	at => $NEXT_TICK || $TICK,
3314	data => WF_AUTOCANCEL,
3315	cb => sub {
3316	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3318	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3319	return;	4277	return;
3320	}	4278	}
3321		4279
3322	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
3323		4281
3324	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3325		4283
3326	0 && sync_job {#d#	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3327	for(1..10) {	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3328	my $t = Event::time;	4286	Coro::async_pool {
3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4287	$Coro::current->{desc} = "runtime saver";
3330	or die;	4288	write_runtime_sync
3331		4289	or error "ERROR: unable to write runtime file: $!";
3332	$map->width (50);
3333	$map->height (50);
3334	$map->alloc;
3335	$map->_load_objects ("/tmp/x.map", 1);
3336	my $t = Event::time - $t;
3337
3338	#next unless $t < 0.0013;#d#
3339	if ($t < $min) {
3340	$min = $t;
3341	}
3342	$avg = $avg * 0.99 + $t * 0.01;
3343	}
3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3345	exit 0;
3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3347	};	4290	};
		4291	}
3348		4292
3349	$RUNTIME += $TICK;
3350	$NEXT_TICK += $TICK;
3351
3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
3354	Coro::async_pool {
3355	write_runtime
3356	or warn "ERROR: unable to write runtime file: $!";
3357	};
3358	}
3359
3360	# my $AFTER = Event::time;
3361	# warn $AFTER - $NOW;#d#
3362
3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3364	$sig->send;	4294	$sig->send;
3365	}	4295	}
3366	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3367	$sig->send;
3368	}
3369		4297
3370	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3371
3372	# if we are delayed by four ticks or more, skip them all
3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3374
3375	$TICK_WATCHER->at ($NEXT_TICK);
3376	$TICK_WATCHER->start;
3377
3378	$LOAD = ($NOW - $tick_start) / $TICK;
3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3380		4300
3381	_post_tick;	4301	if (0) {
3382		4302	if ($NEXT_TICK) {
3383		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
3384	},	4307	}
3385	);	4308	}
3386		4309
3387	{	4310	{
3388	BDB::max_poll_time $TICK * 0.1;	4311	# configure BDB
3389	$BDB_POLL_WATCHER = Event->io (	4312	info "initialising database";
3390	reentrant => 0,	4313
3391	fd => BDB::poll_fileno,
3392	poll => 'r',
3393	prio => 0,
3394	data => WF_AUTOCANCEL,
3395	cb => \&BDB::poll_cb,
3396	);
3397	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3398		4315	BDB::max_poll_reqs $TICK * 0.1;
3399	BDB::set_sync_prepare {	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3400	my $status;
3401	my $current = $Coro::current;
3402	(
3403	sub {
3404	$status = $!;
3405	$current->ready; undef $current;
3406	},
3407	sub {
3408	Coro::schedule while defined $current;
3409	$! = $status;
3410	},
3411	)
3412	};
3413		4317
3414	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3415	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
		4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3416		4325
3417	cf::sync_job {	4326	cf::sync_job {
3418	eval {	4327	eval {
3419	BDB::db_env_open	4328	BDB::db_env_open
3420	$DB_ENV,	4329	$DB_ENV,
…		…
3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3424	0666;	4333	0666;
3425		4334
3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3427
3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3429	$DB_ENV->set_lk_detect;
3430	};	4336	};
3431		4337
3432	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3433	};	4339	};
3434	}	4340	}
		4341
		4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4344	};
		4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4347	};
		4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4350	};
		4351
		4352	info "database initialised";
3435	}	4353	}
3436		4354
3437	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3438	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3439
3440	undef $Coro::AIO::WATCHER;
3441	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3442	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3443	reentrant => 0,	4362	info "aio initialised";
3444	data => WF_AUTOCANCEL,
3445	fd => IO::AIO::poll_fileno,
3446	poll => 'r',
3447	prio => 6,
3448	cb => \&IO::AIO::poll_cb,
3449	);
3450	}	4363	}
3451		4364
3452	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3453		4367
3454	sub _log_backtrace {	4368	sub _log_backtrace {
3455	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3456		4370
3457	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3458		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3459	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3460	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3461	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3462	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3463	my @bt = fork_call {	4384	my @bt = fork_call {
3464	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4387	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3467	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3475	}	4396	}
3476		4397
3477	@funcs	4398	@funcs
3478	};	4399	};
3479		4400
3480	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3481	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3482	--$_log_backtrace;	4404	--$_log_backtrace;
3483	};	4405	};
3484	} else {	4406	} else {
3485	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3486	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3487	}	4409	}
3488	}	4410	}
3489		4411
3490	# load additional modules	4412	# load additional modules
3491	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3492		4415
3493	END { cf::emergency_save }	4416	END { cf::emergency_save }
3494		4417
3495	1	4418	1
3496		4419

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