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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.624 by root, Sat Nov 17 23:40:02 2018 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2018 Marc Alexander Lehmann / the Deliantra team
		5	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		6	#
		7	# Deliantra is free software: you can redistribute it and/or modify it under
		8	# the terms of the Affero GNU General Public License as published by the
		9	# Free Software Foundation, either version 3 of the License, or (at your
		10	# option) any later version.
		11	#
		12	# This program is distributed in the hope that it will be useful,
		13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		15	# GNU General Public License for more details.
		16	#
		17	# You should have received a copy of the Affero GNU General Public License
		18	# and the GNU General Public License along with this program. If not, see
		19	# <http://www.gnu.org/licenses/>.
		20	#
		21	# The authors can be reached via e-mail to <support@deliantra.net>
		22	#
		23
1	package cf;	24	package cf;
2		25
3	use utf8;	26	use common::sense;
4	use strict;
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
		36	use Carp ();
14		37
		38	use AnyEvent ();
		39	use AnyEvent::IO ();
		40	use AnyEvent::DNS ();
		41
15	use Coro 4.1 ();	42	use Coro ();
16	use Coro::State;	43	use Coro::State;
17	use Coro::Handle;	44	use Coro::Handle;
		45	use Coro::EV;
18	use Coro::Event;	46	use Coro::AnyEvent;
19	use Coro::Timer;	47	use Coro::Timer;
20	use Coro::Signal;	48	use Coro::Signal;
21	use Coro::Semaphore;	49	use Coro::Semaphore;
		50	use Coro::SemaphoreSet;
		51	use Coro::AnyEvent;
22	use Coro::AIO;	52	use Coro::AIO;
		53	use Coro::BDB 1.6;
23	use Coro::Storable;	54	use Coro::Storable;
24	use Coro::Util ();	55	use Coro::Util ();
25		56
		57	use Guard ();
26	use JSON::XS ();	58	use JSON::XS 2.01 ();
27	use BDB ();	59	use BDB ();
28	use Data::Dumper;	60	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	61	use Fcntl;
31	use YAML::Syck ();	62	use YAML::XS ();
		63	use CBOR::XS ();
32	use IO::AIO 2.51 ();	64	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	65	use Compress::LZF;
35	use Digest::MD5 ();	66	use Digest::MD5 ();
		67
		68	AnyEvent::detect;
36		69
37	# configure various modules to our taste	70	# configure various modules to our taste
38	#	71	#
39	$Storable::canonical = 1; # reduce rsync transfers	72	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	73	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		74
		75	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		76
		77	# make sure c-lzf reinitialises itself
		78	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	79	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		80
43	$Event::Eval = 1; # no idea why this is required, but it is	81	# strictly for debugging
44		82	$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		83
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	84	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		85
		86	our @ORIG_INC;
51		87
52	our %COMMAND = ();	88	our %COMMAND = ();
53	our %COMMAND_TIME = ();	89	our %COMMAND_TIME = ();
54		90
55	our @EXTS = (); # list of extension package names	91	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	92	our %EXTCMD = ();
		93	our %EXTACMD = ();
57	our %EXTICMD = ();	94	our %EXTICMD = ();
		95	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
60		98
61	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	100	our @EVENT;
		101	our @REFLECT; # set by XS
		102	our %REFLECT; # set by us
63		103
64	our $CONFDIR = confdir;	104	our $CONFDIR = confdir;
		105
65	our $DATADIR = datadir;	106	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	107	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	108	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	109	our $MAPDIR = "$DATADIR/" . mapdir;
		110
69	our $LOCALDIR = localdir;	111	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	112	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	113	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	114	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	115	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	116	our $BDBDIR = "$LOCALDIR/db";
		117	our $PIDFILE = "$LOCALDIR/pid";
		118	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		119
		120	#our %RESOURCE; # unused
		121
		122	our $OUTPUT_RATE_MIN = 3000;
		123	our $OUTPUT_RATE_MAX = 1000000;
		124
		125	our $MAX_LINKS = 32; # how many chained exits to follow
		126	our $VERBOSE_IO = 1;
75		127
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	128	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	129	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	130	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	131	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		132
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	133	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	134	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	135	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	136	our $DB_ENV;
89		137
		138	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		139
90	our %CFG;	140	our %CFG;
		141	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		142
92	our $UPTIME; $UPTIME ||= time;	143	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	144	our $RUNTIME = 0;
		145	our $SERVER_TICK = 0;
		146	our $NOW;
94		147
95	our (%PLAYER, %PLAYER_LOADING); # all users	148	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	149	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	150	our $LINK_MAP; # the special {link} map, which is always available
98		151
99	# used to convert map paths into valid unix filenames by replacing / by ∕	152	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	153	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		154
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	155	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	156	our $LOADAVG; # same thing, but with alpha-smoothing
		157	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	158	our $TICK_START; # for load detecting purposes
		159
		160	our @POST_INIT;
		161
		162	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		163	our $REALLY_UNLOOP; # never set to true, please :)
		164
		165	our $WAIT_FOR_TICK = new Coro::Signal;
		166	our @WAIT_FOR_TICK_BEGIN;
105		167
106	binmode STDOUT;	168	binmode STDOUT;
107	binmode STDERR;	169	binmode STDERR;
108		170
109	# read virtual server time, if available	171	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	172	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	173	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	174	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	175	$RUNTIME = <$fh> + 0.;
114	}	176	}
		177
		178	eval "sub TICK() { $TICK } 1" or die;
115		179
116	mkdir $_	180	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	181	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		182
119	our $EMERGENCY_POSITION;	183	our $EMERGENCY_POSITION;
120		184
121	sub cf::map::normalise;	185	sub cf::map::normalise;
122		186
		187	sub in_main() {
		188	$Coro::current == $Coro::main
		189	}
		190
123	#############################################################################	191	#############################################################################
124		192
		193	%REFLECT = ();
		194	for (@REFLECT) {
		195	my $reflect = JSON::XS::decode_json $_;
		196	$REFLECT{$reflect->{class}} = $reflect;
		197	}
		198
		199	# this is decidedly evil
		200	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		201
		202	#############################################################################
		203
125	=head2 GLOBAL VARIABLES	204	=head2 GLOBAL VARIABLES
126		205
127	=over 4	206	=over 4
128		207
129	=item $cf::UPTIME	208	=item $cf::UPTIME
130		209
131	The timestamp of the server start (so not actually an uptime).	210	The timestamp of the server start (so not actually an "uptime").
		211
		212	=item $cf::SERVER_TICK
		213
		214	An unsigned integer that starts at zero when the server is started and is
		215	incremented on every tick.
		216
		217	=item $cf::NOW
		218
		219	The (real) time of the last (current) server tick - updated before and
		220	after tick processing, so this is useful only as a rough "what time is it
		221	now" estimate.
		222
		223	=item $cf::TICK
		224
		225	The interval between each server tick, in seconds.
132		226
133	=item $cf::RUNTIME	227	=item $cf::RUNTIME
134		228
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	229	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	230	every server tick.
137		231
138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	232	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	233	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	234	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
141		235
142	Various directories - "/etc", read-only install directory, perl-library	236	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	237	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	238	unique-items directory, player file directory, random maps directory and
145	database environment.	239	database environment.
146		240
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	241	=item $cf::LOADAVG
156		242
157	The current CPU load on the server (alpha-smoothed), as a value between 0	243	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	244	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	245	objects per tick. Healthy values are < 0.5.
…		…
162		248
163	The raw value load value from the last tick.	249	The raw value load value from the last tick.
164		250
165	=item %cf::CFG	251	=item %cf::CFG
166		252
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	253	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	254	from wherever your confdir points to.
169		255
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	256	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		257
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	258	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	259	cf::wait_for_tick_begin only returns directly I<after> the tick
		260	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	261	cf::wait_for_tick wakes up all waiters after tick processing.
		262
		263	Note that cf::wait_for_tick will immediately return when the server is not
		264	ticking, making it suitable for small pauses in threads that need to run
		265	when the server is paused. If that is not applicable (i.e. you I<really>
		266	want to wait, use C<$cf::WAIT_FOR_TICK>).
		267
		268	=item $cf::WAIT_FOR_TICK
		269
		270	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		271	variable contains a L<Coro::Signal> that is broadcats after every server
		272	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		273	next server tick.
		274
		275	=cut
		276
		277	sub wait_for_tick();
		278	sub wait_for_tick_begin();
175		279
176	=item @cf::INVOKE_RESULTS	280	=item @cf::INVOKE_RESULTS
177		281
178	This array contains the results of the last C<invoke ()> call. When	282	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	283	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	284	that call.
181		285
		286	=item %cf::REFLECT
		287
		288	Contains, for each (C++) class name, a hash reference with information
		289	about object members (methods, scalars, arrays and flags) and other
		290	metadata, which is useful for introspection.
		291
182	=back	292	=back
183		293
184	=cut	294	=cut
185		295
186	BEGIN {	296	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	297	sub warn (@) { LOG llevWarn , join "", @_ }
		298	sub info (@) { LOG llevInfo , join "", @_ }
		299	sub debug(@) { LOG llevDebug, join "", @_ }
		300	sub trace(@) { LOG llevTrace, join "", @_ }
		301
		302	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	303	my $msg = join "", @_;
189		304
190	$msg .= "\n"	305	$msg .= "\n"
191	unless $msg =~ /\n$/;	306	unless $msg =~ /\n$/;
192		307
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	308	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		309
195	LOG llevError, $msg;	310	LOG llevWarn, $msg;
196	};	311	};
197	}	312
		313	$Coro::State::DIEHOOK = sub {
		314	return unless $^S eq 0; # "eq", not "=="
		315
		316	error Carp::longmess $_[0];
		317
		318	if (in_main) {#d#
		319	error "DIEHOOK called in main context, Coro bug?\n";#d#
		320	return;#d#
		321	}#d#
		322
		323	# kill coroutine otherwise
		324	Coro::terminate
		325	};
198		326
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	327	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	328	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	329	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	330	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	337	for my $pkg (qw(
210	cf::global cf::attachable	338	cf::global cf::attachable
211	cf::object cf::object::player	339	cf::object cf::object::player
212	cf::client cf::player	340	cf::client cf::player
213	cf::arch cf::living	341	cf::arch cf::living
		342	cf::map cf::mapspace
214	cf::map cf::party cf::region	343	cf::party cf::region
215	)) {	344	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	345	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	346	}
219		347
220	$Event::DIED = sub {	348	$EV::DIED = sub {
221	warn "error in event callback: @_";	349	warn "error in event callback: $@";
222	};	350	};
		351
		352	#############################################################################
		353
		354	sub fork_call(&@);
		355	sub get_slot($;$$);
223		356
224	#############################################################################	357	#############################################################################
225		358
226	=head2 UTILITY FUNCTIONS	359	=head2 UTILITY FUNCTIONS
227		360
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	381	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	382	$d
250	} || "[unable to dump $_[0]: '$@']";	383	} || "[unable to dump $_[0]: '$@']";
251	}	384	}
252		385
		386	=item $scalar = cf::load_file $path
		387
		388	Loads the given file from path and returns its contents. Croaks on error
		389	and can block.
		390
		391	=cut
		392
		393	sub load_file($) {
		394	0 <= aio_load $_[0], my $data
		395	or Carp::croak "$_[0]: $!";
		396
		397	$data
		398	}
		399
		400	=item $success = cf::replace_file $path, $data, $sync
		401
		402	Atomically replaces the file at the given $path with new $data, and
		403	optionally $sync the data to disk before replacing the file.
		404
		405	=cut
		406
		407	sub replace_file($$;$) {
		408	my ($path, $data, $sync) = @_;
		409
		410	my $lock = cf::lock_acquire ("replace_file:$path");
		411
		412	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		413	or return;
		414
		415	$data = $data->() if ref $data;
		416
		417	length $data == aio_write $fh, 0, (length $data), $data, 0
		418	or return;
		419
		420	!$sync
		421	or !aio_fsync $fh
		422	or return;
		423
		424	aio_close $fh
		425	and return;
		426
		427	aio_rename "$path~", $path
		428	and return;
		429
		430	if ($sync) {
		431	$path =~ s%/[^/]*$%%;
		432	aio_pathsync $path;
		433	}
		434
		435	1
		436	}
		437
253	=item $ref = cf::from_json $json	438	=item $ref = cf::decode_json $json
254		439
255	Converts a JSON string into the corresponding perl data structure.	440	Converts a JSON string into the corresponding perl data structure.
256		441
257	=item $json = cf::to_json $ref	442	=item $json = cf::encode_json $ref
258		443
259	Converts a perl data structure into its JSON representation.	444	Converts a perl data structure into its JSON representation.
260		445
261	=cut	446	=cut
262		447
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	448	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		449
265	sub to_json ($) { $json_coder->encode ($_[0]) }	450	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	451	sub decode_json($) { $json_coder->decode ($_[0]) }
		452
		453	=item $ref = cf::decode_storable $scalar
		454
		455	Same as Coro::Storable::thaw, so blocks.
		456
		457	=cut
		458
		459	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		460
		461	=item $ref = cf::decode_yaml $scalar
		462
		463	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		464
		465	=cut
		466
		467	sub decode_yaml($) {
		468	fork_call { YAML::XS::Load $_[0] } @_
		469	}
		470
		471	=item $scalar = cf::decode_cbor $scalar
		472
		473	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		474	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		475	alternative.
		476
		477	=cut
		478
		479	sub decode_cbor($) {
		480	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		481	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		482	CBOR::XS::decode_cbor $_[0]
		483	}
		484
		485	=item $scalar = cf::unlzf $scalar
		486
		487	Same as Compress::LZF::compress, but takes server ticks into account, so
		488	blocks.
		489
		490	=cut
		491
		492	sub unlzf($) {
		493	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		494	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		495	Compress::LZF::decompress $_[0]
		496	}
		497
		498	=item cf::post_init { BLOCK }
		499
		500	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		501	but I<before> the server starts ticking again.
		502
		503	The codeblock will have a single boolean argument to indicate whether this
		504	is a reload or not.
		505
		506	=cut
		507
		508	sub post_init(&) {
		509	push @POST_INIT, shift;
		510	}
		511
		512	sub _post_init {
		513	trace "running post_init jobs";
		514
		515	# run them in parallel...
		516
		517	my @join;
		518
		519	while () {
		520	push @join, map &Coro::async ($_, 0), @POST_INIT;
		521	@POST_INIT = ();
		522
		523	@join or last;
		524
		525	(pop @join)->join;
		526	}
		527	}
267		528
268	=item cf::lock_wait $string	529	=item cf::lock_wait $string
269		530
270	Wait until the given lock is available. See cf::lock_acquire.	531	Wait until the given lock is available. See cf::lock_acquire.
271		532
272	=item my $lock = cf::lock_acquire $string	533	=item my $lock = cf::lock_acquire $string
273		534
274	Wait until the given lock is available and then acquires it and returns	535	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	536	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	537	for example when the coroutine gets canceled), the lock is automatically
277	returned.	538	returned.
278		539
279	Locks are *not* recursive, locking from the same coro twice results in a	540	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	541	deadlocked coro.
…		…
286		547
287	Return true if the lock is currently active, i.e. somebody has locked it.	548	Return true if the lock is currently active, i.e. somebody has locked it.
288		549
289	=cut	550	=cut
290		551
291	our %LOCK;	552	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		553
294	sub lock_wait($) {	554	sub lock_wait($) {
295	my ($key) = @_;	555	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	556	}
308		557
309	sub lock_acquire($) {	558	sub lock_acquire($) {
310	my ($key) = @_;	559	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	560	}
324		561
325	sub lock_active($) {	562	sub lock_active($) {
326	my ($key) = @_;	563	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	564	}
330		565
331	sub freeze_mainloop {	566	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	567	tick_inhibit_inc;
333		568
334	my $guard = Coro::guard {	569	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	570	}
336	};	571
337	$TICK_WATCHER->stop;	572	=item cf::periodic $interval, $cb
338	$guard	573
		574	Like EV::periodic, but randomly selects a starting point so that the actions
		575	get spread over time.
		576
		577	=cut
		578
		579	sub periodic($$) {
		580	my ($interval, $cb) = @_;
		581
		582	my $start = rand List::Util::min 180, $interval;
		583
		584	EV::periodic $start, $interval, 0, $cb
339	}	585	}
340		586
341	=item cf::get_slot $time[, $priority[, $name]]	587	=item cf::get_slot $time[, $priority[, $name]]
342		588
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	589	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	590	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	591	C<$time> seconds of cpu time till the next tick. The slot is only valid
		592	till the next cede.
		593
		594	Background jobs should use a priority less than zero, interactive jobs
		595	should use 100 or more.
346		596
347	The optional C<$name> can be used to identify the job to run. It might be	597	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	598	used for statistical purposes and should identify the same time-class.
349		599
350	Useful for short background jobs.	600	Useful for short background jobs.
351		601
352	=cut	602	=cut
353		603
354	our @SLOT_QUEUE;	604	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	605	our $SLOT_QUEUE;
		606	our $SLOT_DECAY = 0.9;
356		607
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	608	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	609	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	610	$Coro::current->desc ("timeslot manager");
360		611
361	my $signal = new Coro::Signal;	612	my $signal = new Coro::Signal;
		613	my $busy;
362		614
363	while () {	615	while () {
364	next_job:	616	next_job:
		617
		618	Coro::cede;
		619
365	my $avail = cf::till_tick;	620	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	621
367	for (0 .. $#SLOT_QUEUE) {	622	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	623	if ($SLOT_QUEUE[$_][0] <= $avail) {
		624	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	625	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	626	$job->[2]->send;
371	Coro::cede;
372	goto next_job;	627	goto next_job;
373	}	628	} else {
		629	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	630	}
375	}	631	}
376		632
377	if (@SLOT_QUEUE) {	633	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	634	wait_for_tick;
379	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;
381	} else {	635	} else {
		636	$busy = 0;
382	Coro::schedule;	637	Coro::schedule;
383	}	638	}
384	}	639	}
385	};	640	};
386		641
387	sub get_slot($;$$) {	642	sub get_slot($;$$) {
		643	return if tick_inhibit || $Coro::current == $Coro::main;
		644
388	my ($time, $pri, $name) = @_;	645	my ($time, $pri, $name) = @_;
389		646
390	$time = $TICK * .6 if $time > $TICK * .6;	647	$time = clamp $time, 0.01, $TICK * .6;
		648
391	my $sig = new Coro::Signal;	649	my $sig = new Coro::Signal;
392		650
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	651	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	652	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	653	$SLOT_QUEUE->ready;
…		…
406		664
407	BEGIN { *async = \&Coro::async_pool }	665	BEGIN { *async = \&Coro::async_pool }
408		666
409	=item cf::sync_job { BLOCK }	667	=item cf::sync_job { BLOCK }
410		668
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	669	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	670	is always able to handle events or is runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	671	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	672	acceptable.
415		673
416	If it must be done, put the blocking parts into C<sync_job>. This will run	674	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	675	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	679	=cut
422		680
423	sub sync_job(&) {	681	sub sync_job(&) {
424	my ($job) = @_;	682	my ($job) = @_;
425		683
426	if ($Coro::current == $Coro::main) {	684	if (in_main) {
427	my $time = Event::time;	685	my $time = AE::time;
428		686
429	# this is the main coro, too bad, we have to block	687	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	688	# till the operation succeeds, freezing the server :/
431		689
432	LOG llevError, Carp::longmess "sync job";#d#	690	#LOG llevError, Carp::longmess "sync job";#d#
433		691
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	692	my $freeze_guard = freeze_mainloop;
437		693
438	my $busy = 1;	694	my $busy = 1;
439	my @res;	695	my @res;
440		696
441	(async {	697	(async {
442	$Coro::current->desc ("sync job coro");	698	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	699	@res = eval { $job->() };
444	warn $@ if $@;	700	error $@ if $@;
445	undef $busy;	701	undef $busy;
446	})->prio (Coro::PRIO_MAX);	702	})->prio (Coro::PRIO_MAX);
447		703
448	while ($busy) {	704	while ($busy) {
449	if (Coro::nready) {	705	if (Coro::nready) {
450	Coro::cede_notself;	706	Coro::cede_notself;
451	} else {	707	} else {
452	Event::one_event;	708	EV::run EV::RUN_ONCE;
453	}	709	}
454	}	710	}
455		711
456	$time = Event::time - $time;	712	my $time = AE::time - $time;
457		713
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	714	$TICK_START += $time; # do not account sync jobs to server load
462		715
463	wantarray ? @res : $res[0]	716	wantarray ? @res : $res[0]
464	} else {	717	} else {
465	# we are in another coroutine, how wonderful, everything just works	718	# we are in another coroutine, how wonderful, everything just works
466		719
…		…
486	$EXT_CORO{$coro+0} = $coro;	739	$EXT_CORO{$coro+0} = $coro;
487		740
488	$coro	741	$coro
489	}	742	}
490		743
491	=item fork_call { }, $args	744	=item fork_call { }, @args
492		745
493	Executes the given code block with the given arguments in a seperate	746	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	747	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	748	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	749	never block itself or use any form of event handling.
497		750
498	=cut	751	=cut
		752
		753	sub post_fork {
		754	reset_signals;
		755	}
499		756
500	sub fork_call(&@) {	757	sub fork_call(&@) {
501	my ($cb, @args) = @_;	758	my ($cb, @args) = @_;
502		759
503	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)
506
507	my @res = Coro::Util::fork_eval {	760	my @res = Coro::Util::fork_eval {
508	reset_signals;	761	cf::post_fork;
509	&$cb	762	&$cb
510	}, @args;	763	} @args;
511		764
512	wantarray ? @res : $res[-1]	765	wantarray ? @res : $res[-1]
		766	}
		767
		768	sub objinfo {
		769	(
		770	"counter value" => cf::object::object_count,
		771	"objects created" => cf::object::create_count,
		772	"objects destroyed" => cf::object::destroy_count,
		773	"freelist size" => cf::object::free_count,
		774	"allocated objects" => cf::object::objects_size,
		775	"active objects" => cf::object::actives_size,
		776	)
		777	}
		778
		779	=item $coin = coin_from_name $name
		780
		781	=cut
		782
		783	our %coin_alias = (
		784	"silver" => "silvercoin",
		785	"silvercoin" => "silvercoin",
		786	"silvercoins" => "silvercoin",
		787	"gold" => "goldcoin",
		788	"goldcoin" => "goldcoin",
		789	"goldcoins" => "goldcoin",
		790	"platinum" => "platinacoin",
		791	"platinumcoin" => "platinacoin",
		792	"platinumcoins" => "platinacoin",
		793	"platina" => "platinacoin",
		794	"platinacoin" => "platinacoin",
		795	"platinacoins" => "platinacoin",
		796	"royalty" => "royalty",
		797	"royalties" => "royalty",
		798	);
		799
		800	sub coin_from_name($) {
		801	$coin_alias{$_[0]}
		802	? cf::arch::find $coin_alias{$_[0]}
		803	: undef
513	}	804	}
514		805
515	=item $value = cf::db_get $family => $key	806	=item $value = cf::db_get $family => $key
516		807
517	Returns a single value from the environment database.	808	Returns a single value from the environment database.
…		…
527	within each server.	818	within each server.
528		819
529	=cut	820	=cut
530		821
531	sub db_table($) {	822	sub db_table($) {
		823	cf::error "db_get called from main context"
		824	if $Coro::current == $Coro::main;
		825
532	my ($name) = @_;	826	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	827	my $db = BDB::db_create $DB_ENV;
534		828
535	eval {	829	eval {
536	$db->set_flags (BDB::CHKSUM);	830	$db->set_flags (BDB::CHKSUM);
…		…
546	}	840	}
547		841
548	our $DB;	842	our $DB;
549		843
550	sub db_init {	844	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	845	$DB ||= db_table "db";
553	};
554	}	846	}
555		847
556	sub db_get($$) {	848	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	849	my $key = "$_[0]/$_[1]";
558		850
559	cf::sync_job {	851	cf::error "db_get called from main context"
		852	if $Coro::current == $Coro::main;
		853
560	BDB::db_get $DB, undef, $key, my $data;	854	BDB::db_get $DB, undef, $key, my $data;
561		855
562	$! ? ()	856	$! ? ()
563	: $data	857	: $data
564	}
565	}	858	}
566		859
567	sub db_put($$$) {	860	sub db_put($$$) {
568	BDB::dbreq_pri 4;	861	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	862	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		890
598	my @data;	891	my @data;
599	my $md5;	892	my $md5;
600		893
601	for (0 .. $#$src) {	894	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	895	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	896	}
605		897
606	# if processing is expensive, check	898	# if processing is expensive, check
607	# checksum first	899	# checksum first
608	if (1) {	900	if (1) {
…		…
621		913
622	return db_get cache => "$id/data";	914	return db_get cache => "$id/data";
623	}	915	}
624	}	916	}
625		917
626	my $t1 = Time::HiRes::time;	918	my $t1 = EV::time;
627	my $data = $process->(\@data);	919	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	920	my $t2 = EV::time;
629		921
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	922	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		923
632	db_put cache => "$id/data", $data;	924	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	925	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	926	db_put cache => "$id/meta", $meta;
635		927
…		…
645		937
646	=cut	938	=cut
647		939
648	sub datalog($@) {	940	sub datalog($@) {
649	my ($type, %kv) = @_;	941	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	942	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	943	}
652		944
653	=back	945	=back
654		946
655	=cut	947	=cut
656		948
657	#############################################################################	949	#############################################################################
658		950
659	=head2 ATTACHABLE OBJECTS	951	=head2 ATTACHABLE OBJECTS
660		952
661	Many objects in crossfire are so-called attachable objects. That means you can	953	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	954	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	955	to it. All such attachable objects support the following methods.
664		956
665	In the following description, CLASS can be any of C<global>, C<object>	957	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	958	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	959	Deliantra).
668		960
669	=over 4	961	=over 4
670		962
671	=item $attachable->attach ($attachment, key => $value...)	963	=item $attachable->attach ($attachment, key => $value...)
672		964
…		…
716	=item cf::CLASS::attachment $name, ...	1008	=item cf::CLASS::attachment $name, ...
717		1009
718	Register an attachment by C<$name> through which attachable objects of the	1010	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	1011	given CLASS can refer to this attachment.
720		1012
721	Some classes such as crossfire maps and objects can specify attachments	1013	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	1014	that are attached at load/instantiate time, thus the need for a name.
723		1015
724	These calls expect any number of the following handler/hook descriptions:	1016	These calls expect any number of the following handler/hook descriptions:
725		1017
726	=over 4	1018	=over 4
…		…
850		1142
851	} elsif (exists $cb_id{$type}) {	1143	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1144	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1145
854	} elsif (ref $type) {	1146	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1147	error "attaching objects not supported, ignoring.\n";
856		1148
857	} else {	1149	} else {
858	shift @arg;	1150	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1151	error "attach argument '$type' not supported, ignoring.\n";
860	}	1152	}
861	}	1153	}
862	}	1154	}
863		1155
864	sub _object_attach {	1156	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
875	}	1167	}
876		1168
877	$obj->{$name} = \%arg;	1169	$obj->{$name} = \%arg;
878	} else {	1170	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1171	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1172	}
881		1173
882	$obj->{_attachment}{$name} = undef;	1174	$obj->{_attachment}{$name} = undef;
883	}	1175	}
884		1176
…		…
943		1235
944	for (@$callbacks) {	1236	for (@$callbacks) {
945	eval { &{$_->[1]} };	1237	eval { &{$_->[1]} };
946		1238
947	if ($@) {	1239	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1240	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1241	override;
951	}	1242	}
952		1243
953	return 1 if $override;	1244	return 1 if $override;
954	}	1245	}
955		1246
956	0	1247	0
957	}	1248	}
958		1249
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1250	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1251
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1252	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1253
963	Generate an object-specific event with the given arguments.	1254	Generate an object-specific event with the given arguments.
964		1255
…		…
1017		1308
1018	sub reattach {	1309	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1310	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1311	my ($obj) = @_;
1021		1312
		1313	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1314	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1315
1024	my $registry = $obj->registry;	1316	my $registry = $obj->registry;
1025		1317
1026	@$registry = ();	1318	@$registry = ();
1027		1319
…		…
1032	for (@$attach) {	1324	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1325	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1326	_attach $registry, $klass, @attach;
1035	}	1327	}
1036	} else {	1328	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1329	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1330	}
1039	}	1331	}
1040	}	1332	}
1041		1333
1042	cf::attachable->attach (	1334	cf::attachable->attach (
1043	prio => -1000000,	1335	prio => -1000000,
1044	on_instantiate => sub {	1336	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1337	my ($obj, $data) = @_;
1046		1338
1047	$data = from_json $data;	1339	$data = decode_json $data;
1048		1340
1049	for (@$data) {	1341	for (@$data) {
1050	my ($name, $args) = @$_;	1342	my ($name, $args) = @$_;
1051		1343
1052	$obj->attach ($name, %{$args || {} });	1344	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1361	my ($filename, $rdata, $objs) = @_;
1070		1362
1071	sync_job {	1363	sync_job {
1072	if (length $$rdata) {	1364	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1365	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1366	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1367	$decname, length $$rdata, scalar @$objs
		1368	if $VERBOSE_IO;
1076		1369
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1370	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1371	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1372	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1373	if ($cf::USE_FSYNC) {
		1374	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;
		1375	aio_fsync $fh;
		1376	}
1081	close $fh;	1377	aio_close $fh;
1082		1378
1083	if (@$objs) {	1379	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1380	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1381	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1382	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1383	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1384	if ($cf::USE_FSYNC) {
		1385	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;
		1386	aio_fsync $fh;
		1387	}
1089	close $fh;	1388	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1389	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1390	}
1092	} else {	1391	} else {
1093	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1094	}	1393	}
1095		1394
1096	aio_rename "$filename~", $filename;	1395	aio_rename "$filename~", $filename;
		1396
		1397	$filename =~ s%/[^/]+$%%;
		1398	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1399	} else {
1098	warn "FATAL: $filename~: $!\n";	1400	error "unable to save objects: $filename~: $!\n";
1099	}	1401	}
1100	} else {	1402	} else {
1101	aio_unlink $filename;	1403	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1404	aio_unlink "$filename.pst";
1103	}	1405	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1429	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1430	$av = $st->{objs};
1129	}	1431	}
1130		1432
1131	utf8::decode (my $decname = $filename);	1433	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1434	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1435	$decname, length $data, scalar @{$av || []}
		1436	if $VERBOSE_IO;
1134		1437
1135	($data, $av)	1438	($data, $av)
1136	}	1439	}
1137		1440
1138	=head2 COMMAND CALLBACKS	1441	=head2 COMMAND CALLBACKS
…		…
1142	=cut	1445	=cut
1143		1446
1144	#############################################################################	1447	#############################################################################
1145	# command handling &c	1448	# command handling &c
1146		1449
1147	=item cf::register_command $name => \&callback($ob,$args);	1450	=item cf::register_command $name => \&callback($ob,$args)
1148		1451
1149	Register a callback for execution when the client sends the user command	1452	Register a callback for execution when the client sends the user command
1150	$name.	1453	$name.
1151		1454
1152	=cut	1455	=cut
…		…
1158	#warn "registering command '$name/$time' to '$caller'";	1461	#warn "registering command '$name/$time' to '$caller'";
1159		1462
1160	push @{ $COMMAND{$name} }, [$caller, $cb];	1463	push @{ $COMMAND{$name} }, [$caller, $cb];
1161	}	1464	}
1162		1465
1163	=item cf::register_extcmd $name => \&callback($pl,$packet);	1466	=item cf::register_extcmd $name => \&callback($pl,@args)
1164		1467
1165	Register a callback for execution when the client sends an (synchronous)	1468	Register a callback for execution when the client sends an (synchronous)
1166	extcmd packet. Ext commands will be processed in the order they are	1469	extcmd packet. Ext commands will be processed in the order they are
1167	received by the server, like other user commands. The first argument is	1470	received by the server, like other user commands. The first argument is
1168	the logged-in player. Ext commands can only be processed after a player	1471	the logged-in player. Ext commands can only be processed after a player
1169	has logged in successfully.	1472	has logged in successfully.
1170		1473
1171	If the callback returns something, it is sent back as if reply was being	1474	The values will be sent back to the client.
1172	called.
1173		1475
		1476	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1477
		1478	Same as C<cf::register_extcmd>, but instead of returning values, the
		1479	callback needs to clal the C<$reply> function.
		1480
1174	=item cf::register_exticmd $name => \&callback($ns,$packet);	1481	=item cf::register_exticmd $name => \&callback($ns,@args)
1175		1482
1176	Register a callback for execution when the client sends an (asynchronous)	1483	Register a callback for execution when the client sends an (asynchronous)
1177	exticmd packet. Exti commands are processed by the server as soon as they	1484	exticmd packet. Exti commands are processed by the server as soon as they
1178	are received, i.e. out of order w.r.t. other commands. The first argument	1485	are received, i.e. out of order w.r.t. other commands. The first argument
1179	is a client socket. Exti commands can be received anytime, even before	1486	is a client socket. Exti commands can be received anytime, even before
1180	log-in.	1487	log-in.
1181		1488
1182	If the callback returns something, it is sent back as if reply was being	1489	The values will be sent back to the client.
1183	called.
1184		1490
1185	=cut	1491	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1186		1492
		1493	Same as C<cf::register_extcmd>, but instead of returning values, the
		1494	callback needs to clal the C<$reply> function.
		1495
		1496	=cut
		1497
1187	sub register_extcmd {	1498	sub register_extcmd($$) {
1188	my ($name, $cb) = @_;	1499	my ($name, $cb) = @_;
1189		1500
1190	$EXTCMD{$name} = $cb;	1501	$EXTCMD{$name} = $cb;
1191	}	1502	}
1192		1503
1193	sub register_exticmd {	1504	sub register_async_extcmd($$) {
1194	my ($name, $cb) = @_;	1505	my ($name, $cb) = @_;
1195		1506
		1507	$EXTACMD{$name} = $cb;
		1508	}
		1509
		1510	sub register_exticmd($$) {
		1511	my ($name, $cb) = @_;
		1512
1196	$EXTICMD{$name} = $cb;	1513	$EXTICMD{$name} = $cb;
1197	}	1514	}
1198		1515
		1516	sub register_async_exticmd($$) {
		1517	my ($name, $cb) = @_;
		1518
		1519	$EXTIACMD{$name} = $cb;
		1520	}
		1521
		1522	use File::Glob ();
		1523
1199	cf::player->attach (	1524	cf::player->attach (
1200	on_command => sub {	1525	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1526	my ($pl, $name, $params) = @_;
1202		1527
1203	my $cb = $COMMAND{$name}	1528	my $cb = $COMMAND{$name}
1204	or return;	1529	or return;
1205		1530
…		…
1213	my ($pl, $buf) = @_;	1538	my ($pl, $buf) = @_;
1214		1539
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1540	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1541
1217	if (ref $msg) {	1542	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1543	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1544
1223	my @reply;
1224
1225	if (my $cb = $EXTCMD{$type}) {	1545	if (my $cb = $EXTACMD{$type}) {
		1546	$cb->(
		1547	$pl,
		1548	sub {
		1549	$pl->ext_msg ("reply-$reply", @_)
		1550	if $reply;
		1551	},
		1552	@payload
		1553	);
		1554	} else {
		1555	my @reply;
		1556
		1557	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1558	@reply = $cb->($pl, @payload);
		1559	}
		1560
		1561	$pl->ext_msg ("reply-$reply", @reply)
		1562	if $reply;
1227	}	1563	}
1228		1564
1229	$pl->ext_reply ($reply, @reply)
1230	if $reply;
1231
1232	} else {	1565	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1566	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1567	}
1235		1568
1236	cf::override;	1569	cf::override;
1237	},	1570	},
1238	);	1571	);
1239		1572
		1573	# "readahead" all extensions
		1574	sub cache_extensions {
		1575	my $grp = IO::AIO::aio_group;
		1576
		1577	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1578	for (grep /\.ext$/, @{$_[0]}) {
		1579	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1580	}
		1581	};
		1582
		1583	$grp
		1584	}
		1585
		1586	sub _ext_cfg_reg($$$$) {
		1587	my ($rvar, $varname, $cfgname, $default) = @_;
		1588
		1589	$cfgname = lc $varname
		1590	unless length $cfgname;
		1591
		1592	$EXT_CFG{$cfgname} = [$rvar, $default];
		1593
		1594	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1595	}
		1596
1240	sub load_extensions {	1597	sub load_extensions {
		1598	info "loading extensions...";
		1599
		1600	%EXT_CFG = ();
		1601
1241	cf::sync_job {	1602	cf::sync_job {
1242	my %todo;	1603	my %todo;
1243		1604
1244	for my $path (<$LIBDIR/*.ext>) {	1605	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1606	next unless -r $path;
…		…
1263		1624
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1625	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1626	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1627
1267	$ext{source} =	1628	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1629	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1630	. "#line 1 \"$path\"\n{\n"
1270	. $source	1631	. $source
1271	. "\n};\n1";	1632	. "\n};\n1";
1272		1633
1273	$todo{$base} = \%ext;	1634	$todo{$base} = \%ext;
1274	}	1635	}
1275		1636
		1637	my $pass = 0;
1276	my %done;	1638	my %done;
1277	while (%todo) {	1639	while (%todo) {
1278	my $progress;	1640	my $progress;
1279		1641
		1642	++$pass;
		1643
		1644	ext:
1280	while (my ($k, $v) = each %todo) {	1645	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1646	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1647	next ext
1283	unless exists $done{$_};	1648	unless exists $done{$_};
1284	}	1649	}
1285		1650
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1651	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1652
1288	unless (eval $v->{source}) {	1653	my $source = $v->{source};
		1654
		1655	# support "CONF varname :confname = default" pseudo-statements
		1656	$source =~ s{
		1657	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1658	}{
		1659	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1660	}gmxe;
		1661
		1662	my $active = eval $source;
		1663
		1664	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1665	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1666
		1667	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1668	if exists $v->{meta}{mandatory};
1293	warn $msg;	1669
1294	warn "mandatory extension failed to load, exiting.\n";	1670	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1671	delete $todo{$k};
1296	}	1672	} else {
1297		1673	$done{$k} = delete $todo{$k};
1298	warn $msg;	1674	push @EXTS, $v->{pkg};
		1675	$progress = 1;
		1676
		1677	info "$v->{base}: extension inactive.\n"
		1678	unless $active;
1299	}	1679	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1680	}
1305		1681
1306	skip:	1682	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1683	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1684
		1685	while (my ($k, $v) = each %todo) {
		1686	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1687	if exists $v->{meta}{mandatory};
		1688	}
		1689
		1690	last;
		1691	}
1309	}	1692	}
1310	};	1693	};
1311	}	1694	}
1312		1695
1313	#############################################################################	1696	#############################################################################
1314		1697
1315	=back	1698	=back
1316		1699
1317	=head2 CORE EXTENSIONS	1700	=head2 CORE EXTENSIONS
1318		1701
1319	Functions and methods that extend core crossfire objects.	1702	Functions and methods that extend core deliantra objects.
1320		1703
1321	=cut	1704	=cut
1322		1705
1323	package cf::player;	1706	package cf::player;
1324		1707
…		…
1367		1750
1368	sub exists($) {	1751	sub exists($) {
1369	my ($login) = @_;	1752	my ($login) = @_;
1370		1753
1371	$cf::PLAYER{$login}	1754	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1755	or !aio_stat path $login
1373	}	1756	}
1374		1757
1375	sub find($) {	1758	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1759	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1760	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1772	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1773	or return;
1391		1774
1392	my $pl = cf::player::load_pl $f	1775	my $pl = cf::player::load_pl $f
1393	or return;	1776	or return;
		1777
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1778	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1779	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1780	$cf::PLAYER{$login} = $pl
1397	}	1781	}
1398	}	1782	}
1399	}	1783	}
1400		1784
		1785	cf::player->attach (
		1786	on_load => sub {
		1787	my ($pl, $path) = @_;
		1788
		1789	# restore slots saved in save, below
		1790	my $slots = delete $pl->{_slots};
		1791
		1792	$pl->ob->current_weapon ($slots->[0]);
		1793	$pl->combat_ob ($slots->[1]);
		1794	$pl->ranged_ob ($slots->[2]);
		1795	},
		1796	);
		1797
1401	sub save($) {	1798	sub save($) {
1402	my ($pl) = @_;	1799	my ($pl) = @_;
1403		1800
1404	return if $pl->{deny_save};	1801	return if $pl->{deny_save};
1405		1802
…		…
1408		1805
1409	return if $pl->{deny_save};	1806	return if $pl->{deny_save};
1410		1807
1411	aio_mkdir playerdir $pl, 0770;	1808	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1809	$pl->{last_save} = $cf::RUNTIME;
		1810
		1811	cf::get_slot 0.01;
		1812
		1813	# save slots, to be restored later
		1814	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1815
1414	$pl->save_pl ($path);	1816	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1817	cf::cede_to_tick;
1416	}	1818	}
1417		1819
…		…
1449	my ($pl) = @_;	1851	my ($pl) = @_;
1450		1852
1451	my $name = $pl->ob->name;	1853	my $name = $pl->ob->name;
1452		1854
1453	$pl->{deny_save} = 1;	1855	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1856	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1857
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1858	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1859	$pl->deactivate;
		1860
		1861	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1862	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1863	ext::highscore::check ($pl->ob);
		1864
1459	$pl->ns->destroy if $pl->ns;	1865	$pl->ns->destroy if $pl->ns;
1460		1866
1461	my $path = playerdir $pl;	1867	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1868	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1869	aio_rename $path, $temp;
…		…
1501		1907
1502	for my $login (@$dirs) {	1908	for my $login (@$dirs) {
1503	my $path = path $login;	1909	my $path = path $login;
1504		1910
1505	# a .pst is a dead give-away for a valid player	1911	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1912	# if no pst file found, open and chekc for blocked users
		1913	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1914	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1915	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1916	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1917	}
1511		1918
…		…
1515		1922
1516	\@logins	1923	\@logins
1517	}	1924	}
1518		1925
1519	=item $player->maps	1926	=item $player->maps
		1927
		1928	=item cf::player::maps $login
1520		1929
1521	Returns an arrayref of map paths that are private for this	1930	Returns an arrayref of map paths that are private for this
1522	player. May block.	1931	player. May block.
1523		1932
1524	=cut	1933	=cut
…		…
1542	}	1951	}
1543		1952
1544	\@paths	1953	\@paths
1545	}	1954	}
1546		1955
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1956	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1957
1549	Expand crossfire pod fragments into protocol xml.	1958	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597
1598	=item $player->ext_reply ($msgid, @msg)
1599
1600	Sends an ext reply to the player.
1601
1602	=cut
1603
1604	sub ext_reply($$@) {
1605	my ($self, $id, @msg) = @_;
1606
1607	$self->ns->ext_reply ($id, @msg)
1608	}
1609		1959
1610	=item $player->ext_msg ($type, @msg)	1960	=item $player->ext_msg ($type, @msg)
1611		1961
1612	Sends an ext event to the client.	1962	Sends an ext event to the client.
1613		1963
…		…
1633		1983
1634	=cut	1984	=cut
1635		1985
1636	sub find_by_path($) {	1986	sub find_by_path($) {
1637	my ($path) = @_;	1987	my ($path) = @_;
		1988
		1989	$path =~ s/^~[^\/]*//; # skip ~login
1638		1990
1639	my ($match, $specificity);	1991	my ($match, $specificity);
1640		1992
1641	for my $region (list) {	1993	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1994	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	2020	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	2021	our $DEFAULT_RESET = 3000;
1670		2022
1671	sub generate_random_map {	2023	sub generate_random_map {
1672	my ($self, $rmp) = @_;	2024	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	2025
		2026	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2027
1674	$self->_create_random_map (	2028	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	2029	}
1688		2030
1689	=item cf::map->register ($regex, $prio)	2031	=item cf::map->register ($regex, $prio)
1690		2032
1691	Register a handler for the map path matching the given regex at the	2033	Register a handler for the map path matching the given regex at the
…		…
1696		2038
1697	sub register {	2039	sub register {
1698	my (undef, $regex, $prio) = @_;	2040	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	2041	my $pkg = caller;
1700		2042
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	2043	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		2044
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2045	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	2046	}
1706		2047
1707	# also paths starting with '/'	2048	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2049	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		2050
1710	sub thawer_merge {	2051	sub thawer_merge {
1711	my ($self, $merge) = @_;	2052	my ($self, $merge) = @_;
1712		2053
1713	# we have to keep some variables in memory intact	2054	# we have to keep some variables in memory intact
…		…
1718	}	2059	}
1719		2060
1720	sub normalise {	2061	sub normalise {
1721	my ($path, $base) = @_;	2062	my ($path, $base) = @_;
1722		2063
1723	$path = "$path"; # make sure its a string	2064	$path = "$path"; # make sure it's a string
1724		2065
1725	$path =~ s/\.map$//;	2066	$path =~ s/\.map$//;
1726		2067
1727	# map plan:	2068	# map plan:
1728	#	2069	#
…		…
1743	$base =~ s{[^/]+/?$}{};	2084	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	2085	$path = "$base/$path";
1745	}	2086	}
1746		2087
1747	for ($path) {	2088	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	2089	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	2090	redo if s{/[^/]+/\.\./}{/};
1751	}	2091	}
1752		2092
1753	$path	2093	$path
…		…
1767	$self->init; # pass $1 etc.	2107	$self->init; # pass $1 etc.
1768	return $self;	2108	return $self;
1769	}	2109	}
1770	}	2110	}
1771		2111
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	2112	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	2113	()
1774	}	2114	}
1775		2115
		2116	# may re-bless or do other evil things
1776	sub init {	2117	sub init {
1777	my ($self) = @_;	2118	my ($self) = @_;
1778		2119
1779	$self	2120	$self
1780	}	2121	}
…		…
1799		2140
1800	# the temporary/swap location	2141	# the temporary/swap location
1801	sub save_path {	2142	sub save_path {
1802	my ($self) = @_;	2143	my ($self) = @_;
1803		2144
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2145	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2146	"$TMPDIR/$path.map"
1806	}	2147	}
1807		2148
1808	# the unique path, undef == no special unique path	2149	# the unique path, undef == no special unique path
1809	sub uniq_path {	2150	sub uniq_path {
1810	my ($self) = @_;	2151	my ($self) = @_;
1811		2152
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2153	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2154	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2155	}
1824		2156
1825	sub decay_objects {	2157	sub decay_objects {
1826	my ($self) = @_;	2158	my ($self) = @_;
1827		2159
…		…
1854	$self->{load_path} = $path;	2186	$self->{load_path} = $path;
1855		2187
1856	1	2188	1
1857	}	2189	}
1858		2190
		2191	# used to laod the header of an original map
1859	sub load_header_orig {	2192	sub load_header_orig {
1860	my ($self) = @_;	2193	my ($self) = @_;
1861		2194
1862	$self->load_header_from ($self->load_path)	2195	$self->load_header_from ($self->load_path)
1863	}	2196	}
1864		2197
		2198	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2199	sub load_header_temp {
1866	my ($self) = @_;	2200	my ($self) = @_;
1867		2201
1868	$self->load_header_from ($self->save_path)	2202	$self->load_header_from ($self->save_path)
1869	}	2203	}
1870		2204
		2205	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2206	sub prepare_temp {
1872	my ($self) = @_;	2207	my ($self) = @_;
1873		2208
1874	$self->last_access ((delete $self->{last_access})	2209	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2210	|| $cf::RUNTIME); #d#
1876	# safety	2211	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2212	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2213	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2214	}
1880		2215
		2216	# called after loading the header from an original map
1881	sub prepare_orig {	2217	sub prepare_orig {
1882	my ($self) = @_;	2218	my ($self) = @_;
1883		2219
1884	$self->{load_original} = 1;	2220	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2221	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2245
1910	sub find;	2246	sub find;
1911	sub find {	2247	sub find {
1912	my ($path, $origin) = @_;	2248	my ($path, $origin) = @_;
1913		2249
		2250	cf::cede_to_tick;
		2251
1914	$path = normalise $path, $origin && $origin->path;	2252	$path = normalise $path, $origin;
1915		2253
1916	cf::lock_wait "map_data:$path";#d#remove	2254	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2255	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2256
1919	$cf::MAP{$path} || do {	2257	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2258	my $map = new_from_path cf::map $path
1924	or return;	2259	or return;
1925		2260
1926	$map->{last_save} = $cf::RUNTIME;	2261	$map->{last_save} = $cf::RUNTIME;
1927		2262
…		…
1929	or return;	2264	or return;
1930		2265
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2266	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2267	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2268	#$cf::WAIT_FOR_TICK->wait;
		2269	undef $guard2;
1934	undef $guard1;	2270	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2271	$map->reset;
1937	return find $path;	2272	return find $path;
1938	}	2273	}
1939		2274
1940	$cf::MAP{$path} = $map	2275	$cf::MAP{$path} = $map
1941	}	2276	}
1942	}	2277	}
1943		2278
1944	sub pre_load { }	2279	sub pre_load { }
1945	sub post_load { }	2280	#sub post_load { } # XS
1946		2281
1947	sub load {	2282	sub load {
1948	my ($self) = @_;	2283	my ($self) = @_;
1949		2284
1950	local $self->{deny_reset} = 1; # loading can take a long time	2285	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1953		2288
1954	{	2289	{
1955	my $guard = cf::lock_acquire "map_data:$path";	2290	my $guard = cf::lock_acquire "map_data:$path";
1956		2291
1957	return unless $self->valid;	2292	return unless $self->valid;
1958	return unless $self->in_memory == cf::MAP_SWAPPED;	2293	return unless $self->state == cf::MAP_SWAPPED;
1959
1960	$self->in_memory (cf::MAP_LOADING);
1961		2294
1962	$self->alloc;	2295	$self->alloc;
1963		2296
1964	$self->pre_load;	2297	$self->pre_load;
1965	cf::cede_to_tick;	2298	cf::cede_to_tick;
1966		2299
		2300	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2301	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2302	$f->skip_block;
1969	$self->_load_objects ($f)	2303	$self->_load_objects ($f)
1970	or return;	2304	or return;
1971		2305
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2306	$self->post_load_original
1973	if delete $self->{load_original};	2307	if delete $self->{load_original};
1974		2308
1975	if (my $uniq = $self->uniq_path) {	2309	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2310	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2311	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2312	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2313	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2314	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2315	$f->resolve_delayed_derefs;
		2316	}
1982	}	2317	}
1983	}	2318	}
1984	}
1985		2319
1986	$f->resolve_delayed_derefs;	2320	$f->resolve_delayed_derefs;
		2321	} else {
		2322	$self->post_load_original
		2323	if delete $self->{load_original};
		2324	}
		2325
		2326	$self->state (cf::MAP_INACTIVE);
1987		2327
1988	cf::cede_to_tick;	2328	cf::cede_to_tick;
1989	# now do the right thing for maps	2329	# now do the right thing for maps
1990	$self->link_multipart_objects;	2330	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2331	$self->difficulty ($self->estimate_difficulty)
…		…
1995	unless ($self->{deny_activate}) {	2335	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2336	$self->decay_objects;
1997	$self->fix_auto_apply;	2337	$self->fix_auto_apply;
1998	$self->update_buttons;	2338	$self->update_buttons;
1999	cf::cede_to_tick;	2339	cf::cede_to_tick;
2000	$self->set_darkness_map;	2340	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2341	}
2004		2342
2005	$self->{last_save} = $cf::RUNTIME;	2343	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2344	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2345	}
2010		2346
2011	$self->post_load;	2347	$self->post_load;
2012	}
2013		2348
		2349	1
		2350	}
		2351
		2352	# customize the map for a given player, i.e.
		2353	# return the _real_ map. used by e.g. per-player
		2354	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2355	sub customise_for {
2015	my ($self, $ob) = @_;	2356	my ($self, $ob) = @_;
2016		2357
2017	return find "~" . $ob->name . "/" . $self->{path}	2358	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2359	if $self->per_player;
…		…
2021	# if $self->per_party;	2362	# if $self->per_party;
2022		2363
2023	$self	2364	$self
2024	}	2365	}
2025		2366
2026	# find and load all maps in the 3x3 area around a map
2027	sub load_neighbours {
2028	my ($map) = @_;
2029
2030	my @neigh; # diagonal neighbours
2031
2032	for (0 .. 3) {
2033	my $neigh = $map->tile_path ($_)
2034	or next;
2035	$neigh = find $neigh, $map
2036	or next;
2037	$neigh->load;
2038
2039	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}
2043
2044	for (grep defined $_->[0], @neigh) {
2045	my ($path, $origin) = @$_;
2046	my $neigh = find $path, $origin
2047	or next;
2048	$neigh->load;
2049	}
2050	}
2051
2052	sub find_sync {	2367	sub find_sync {
2053	my ($path, $origin) = @_;	2368	my ($path, $origin) = @_;
2054		2369
2055	cf::sync_job { find $path, $origin }	2370	# it's a bug to call this from the main context
		2371	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2372	if $Coro::current == $Coro::main;
		2373
		2374	find $path, $origin
2056	}	2375	}
2057		2376
2058	sub do_load_sync {	2377	sub do_load_sync {
2059	my ($map) = @_;	2378	my ($map) = @_;
2060		2379
		2380	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2381	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2382	if $Coro::current == $Coro::main;
2063		2383
2064	cf::sync_job { $map->load };	2384	$map->load;
2065	}	2385	}
2066		2386
2067	our %MAP_PREFETCH;	2387	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2388	our $MAP_PREFETCHER = undef;
2069		2389
2070	sub find_async {	2390	sub find_async {
2071	my ($path, $origin, $load) = @_;	2391	my ($path, $origin, $load) = @_;
2072		2392
2073	$path = normalise $path, $origin && $origin->{path};	2393	$path = normalise $path, $origin;
2074		2394
2075	if (my $map = $cf::MAP{$path}) {	2395	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2396	return $map if !$load || $map->linkable;
2077	}	2397	}
2078		2398
2079	$MAP_PREFETCH{$path} |= $load;	2399	$MAP_PREFETCH{$path} |= $load;
2080		2400
2081	$MAP_PREFETCHER ||= cf::async {	2401	$MAP_PREFETCHER ||= cf::async {
2082	$Coro::current->{desc} = "map prefetcher";	2402	$Coro::current->{desc} = "map prefetcher";
2083		2403
2084	while (%MAP_PREFETCH) {	2404	while (%MAP_PREFETCH) {
2085	while (my ($k, $v) = each %MAP_PREFETCH) {	2405	for my $k (keys %MAP_PREFETCH) {
2086	if (my $map = find $k) {	2406	if (my $map = find $k) {
2087	$map->load if $v;	2407	$map->load if $MAP_PREFETCH{$k};
2088	}	2408	}
2089		2409
2090	delete $MAP_PREFETCH{$k};	2410	delete $MAP_PREFETCH{$k};
2091	}	2411	}
2092	}	2412	}
…		…
2095	$MAP_PREFETCHER->prio (6);	2415	$MAP_PREFETCHER->prio (6);
2096		2416
2097	()	2417	()
2098	}	2418	}
2099		2419
		2420	# common code, used by both ->save and ->swapout
2100	sub save {	2421	sub _save {
2101	my ($self) = @_;	2422	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2423
2105	$self->{last_save} = $cf::RUNTIME;	2424	$self->{last_save} = $cf::RUNTIME;
2106		2425
2107	return unless $self->dirty;	2426	return unless $self->dirty;
2108		2427
…		…
2117		2436
2118	cf::async {	2437	cf::async {
2119	$Coro::current->{desc} = "map player save";	2438	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2439	$_->contr->save for $self->players;
2121	};	2440	};
		2441
		2442	cf::get_slot 0.02;
2122		2443
2123	if ($uniq) {	2444	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2445	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2446	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2447	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2448	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2449	}
2129	}	2450	}
2130		2451
		2452	sub save {
		2453	my ($self) = @_;
		2454
		2455	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2456
		2457	$self->_save;
		2458	}
		2459
2131	sub swap_out {	2460	sub swap_out {
2132	my ($self) = @_;	2461	my ($self) = @_;
2133		2462
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2463	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2464
		2465	return if !$self->linkable;
		2466	return if $self->{deny_save};
2139	return if $self->players;	2467	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2468
		2469	# first deactivate the map and "unlink" it from the core
		2470	$self->deactivate;
		2471	$_->clear_links_to ($self) for values %cf::MAP;
		2472	$self->state (cf::MAP_SWAPPED);
		2473
		2474	# then atomically save
		2475	$self->_save;
		2476
		2477	# then free the map
		2478	$self->clear;
		2479	}
		2480
		2481	sub reset_at {
		2482	my ($self) = @_;
		2483
		2484	# TODO: safety, remove and allow resettable per-player maps
2141	return if $self->{deny_save};	2485	return 1e99 if $self->{deny_reset};
2142		2486
		2487	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2488	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2489
		2490	$time + $to
		2491	}
		2492
		2493	sub should_reset {
		2494	my ($self) = @_;
		2495
		2496	$self->reset_at <= $cf::RUNTIME
		2497	}
		2498
		2499	sub reset {
		2500	my ($self) = @_;
		2501
		2502	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2503
		2504	return if $self->players;
		2505
		2506	cf::trace "resetting map ", $self->path, "\n";
		2507
2143	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->state (cf::MAP_SWAPPED);
		2509
		2510	# need to save uniques path
		2511	unless ($self->{deny_save}) {
		2512	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2513
		2514	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2515	if $uniq;
		2516	}
		2517
		2518	delete $cf::MAP{$self->path};
2144		2519
2145	$self->deactivate;	2520	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2521	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2522	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2523
2193	$self->unlink_save;	2524	$self->unlink_save;
2194	$self->destroy;	2525	$self->destroy;
2195	}	2526	}
2196		2527
…		…
2204		2535
2205	delete $cf::MAP{$self->path};	2536	delete $cf::MAP{$self->path};
2206		2537
2207	$self->unlink_save;	2538	$self->unlink_save;
2208		2539
2209	bless $self, "cf::map";	2540	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2541	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2542	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2543	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2544	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2545
…		…
2263		2594
2264	sub unique_maps() {	2595	sub unique_maps() {
2265	[	2596	[
2266	map {	2597	map {
2267	utf8::decode $_;	2598	utf8::decode $_;
2268	/\.map$/	2599	s/\.map$//; # TODO future compatibility hack
		2600	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2601	? ()
2269	? normalise $_	2602	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2603	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2604	]
2273	}	2605	}
2274		2606
2275	package cf;	2607	=item cf::map::static_maps
		2608
		2609	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2610	file in the shared directory excluding F</styles> and F</editor>). May
		2611	block.
		2612
		2613	=cut
		2614
		2615	sub static_maps() {
		2616	my @dirs = "";
		2617	my @maps;
		2618
		2619	while (@dirs) {
		2620	my $dir = shift @dirs;
		2621
		2622	next if $dir eq "/styles" || $dir eq "/editor";
		2623
		2624	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2625	or return;
		2626
		2627	for (@$files) {
		2628	s/\.map$// or next;
		2629	utf8::decode $_;
		2630	push @maps, "$dir/$_";
		2631	}
		2632
		2633	push @dirs, map "$dir/$_", @$dirs;
		2634	}
		2635
		2636	\@maps
		2637	}
2276		2638
2277	=back	2639	=back
2278		2640
2279	=head3 cf::object	2641	=head3 cf::object
2280		2642
…		…
2284		2646
2285	=over 4	2647	=over 4
2286		2648
2287	=item $ob->inv_recursive	2649	=item $ob->inv_recursive
2288		2650
2289	Returns the inventory of the object _and_ their inventories, recursively.	2651	Returns the inventory of the object I<and> their inventories, recursively,
		2652	but I<not> the object itself.
2290		2653
2291	=cut	2654	=cut
2292		2655
2293	sub inv_recursive_;	2656	sub inv_recursive_;
2294	sub inv_recursive_ {	2657	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2662	inv_recursive_ inv $_[0]
2300	}	2663	}
2301		2664
2302	=item $ref = $ob->ref	2665	=item $ref = $ob->ref
2303		2666
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2667	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2668
2306	=item $ob = cf::object::deref ($refstring)	2669	=item $ob = cf::object::deref ($refstring)
2307		2670
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2671	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2309	even if the object actually exists. May block.	2672	even if the object actually exists. May block.
2310		2673
2311	=cut	2674	=cut
2312		2675
2313	sub deref {	2676	sub deref {
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2704	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2705	dialogue with the given NPC character.
2343		2706
2344	=cut	2707	=cut
2345		2708
		2709	our $SAY_CHANNEL = {
		2710	id => "say",
		2711	title => "Map",
		2712	reply => "say ",
		2713	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2714	};
		2715
		2716	our $CHAT_CHANNEL = {
		2717	id => "chat",
		2718	title => "Chat",
		2719	reply => "chat ",
		2720	tooltip => "Player chat and shouts, global to the server.",
		2721	};
		2722
2346	# rough implementation of a future "reply" method that works	2723	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2724	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2725	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2726	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2727	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2738	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2739	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2740
2364	} else {	2741	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2742	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2743	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2744	}
2368	}	2745	}
2369	}	2746	}
2370		2747
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2748	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2381	=item $player_object->may ("access")	2758	=item $player_object->may ("access")
2382		2759
2383	Returns wether the given player is authorized to access resource "access"	2760	Returns wether the given player is authorized to access resource "access"
2384	(e.g. "command_wizcast").	2761	(e.g. "command_wizcast").
2385		2762
		2763	This is implemented by checking a config setting of C<may_access> where
		2764	C<access> is replaced by the access string. The following alternatives are
		2765	possible (and are tested in order):
		2766
		2767	=over 4
		2768
		2769	=item * Player is DM
		2770
		2771	The request will succeed.
		2772
		2773	=item * may_access is an array reference
		2774
		2775	If either the player nickname or UUID is in the array, the request will
		2776	succeed, otherwise it will fail.
		2777
		2778	=item * may_access is a true value
		2779
		2780	The request will succeed.
		2781
		2782	=item * may_access is missing or false
		2783
		2784	The request will fail.
		2785
		2786	=back
		2787
2386	=cut	2788	=cut
2387		2789
2388	sub cf::object::player::may {	2790	sub cf::object::player::may {
2389	my ($self, $access) = @_;	2791	my ($self, $access) = @_;
2390		2792
2391	$self->flag (cf::FLAG_WIZ) ||	2793	$self->flag (cf::FLAG_WIZ) ||
2392	(ref $cf::CFG{"may_$access"}	2794	(ref $cf::CFG{"may_$access"}
2393	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2795	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2394	: $cf::CFG{"may_$access"})	2796	: $cf::CFG{"may_$access"})
2395	}	2797	}
2396		2798
2397	=item $player_object->enter_link	2799	=item $player_object->enter_link
2398		2800
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2801	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2802
2401	The player should be reasonably safe there for short amounts of time. You	2803	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2804	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2805	though, as the player cannot control the character while it is on the link
		2806	map.
2403		2807
2404	Will never block.	2808	This method will never block, which is the whole reaosn for it's
		2809	existance: you can I<always> put a player onto the link map, which is the
		2810	only place to put objects that is guaranteed to exist.
		2811
		2812	A typical usage pattern is to call C<enter_link> synchronously from the
		2813	server, then start a new thread, do your blocking stuff there and then
		2814	call C<leave_link> from that thread.
2405		2815
2406	=item $player_object->leave_link ($map, $x, $y)	2816	=item $player_object->leave_link ($map, $x, $y)
2407		2817
2408	Moves the player out of the special C<{link}> map onto the specified	2818	Moves the player out of the special C<{link}> map onto the specified
2409	map. If the map is not valid (or omitted), the player will be moved back	2819	map. If the map is not valid (or omitted), the player will be moved back
…		…
2427	sub cf::object::player::enter_link {	2837	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2838	my ($self) = @_;
2429		2839
2430	$self->deactivate_recursive;	2840	$self->deactivate_recursive;
2431		2841
		2842	++$self->{_link_recursion};
		2843
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2844	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2845
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2846	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2847	if $self->map && $self->map->{path} ne "{link}";
2436		2848
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2849	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2850	}
2439		2851
2440	sub cf::object::player::leave_link {	2852	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2853	my ($self, $map, $x, $y) = @_;
2442		2854
…		…
2459	($x, $y) = (-1, -1)	2871	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2872	unless (defined $x) && (defined $y);
2461		2873
2462	# use -1 or undef as default coordinates, not 0, 0	2874	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2875	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2876	if $x <= 0 && $y <= 0;
2465		2877
2466	$map->load;	2878	$map->load;
2467	$map->load_neighbours;
2468		2879
2469	return unless $self->contr->active;	2880	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2881
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2882	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2883	if ($self->enter_map ($map, $x, $y)) {
2474	}	2884	# entering was successful
		2885	delete $self->{_link_recursion};
		2886	# only activate afterwards, to support waiting in hooks
		2887	$self->activate_recursive;
		2888	}
2475		2889
		2890	}
		2891
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2892	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2477		2893
2478	Moves the player to the given map-path and coordinates by first freezing	2894	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2895	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2896	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2897	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2898	be called at the end of this process.
2483		2899
		2900	Note that $check will be called with a potentially non-loaded map, so if
		2901	it needs a loaded map it has to call C<< ->load >>.
		2902
2484	=cut	2903	=cut
2485		2904
2486	our $GOTOGEN;	2905	our $GOTOGEN;
2487		2906
2488	sub cf::object::player::goto {	2907	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2908	my ($self, $path, $x, $y, $check, $done) = @_;
		2909
		2910	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2911	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2912	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2913	($path, $x, $y) = @$EMERGENCY_POSITION;
		2914	}
2490		2915
2491	# do generation counting so two concurrent goto's will be executed in-order	2916	# do generation counting so two concurrent goto's will be executed in-order
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2917	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2918
2494	$self->enter_link;	2919	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2939	($path, $x, $y) = (undef, undef, undef);
2515	}	2940	}
2516	}	2941	}
2517		2942
2518	my $map = eval {	2943	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2944	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2945
2521	if ($map) {	2946	if ($map) {
2522	$map = $map->customise_for ($self);	2947	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2948	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2949	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2950	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2951	}
2527		2952
2528	$map	2953	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2961	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2962	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2963	$self->leave_link ($map, $x, $y);
2539	}	2964	}
2540		2965
2541	$done->() if $done;	2966	$done->($self) if $done;
2542	})->prio (1);	2967	})->prio (1);
2543	}	2968	}
2544		2969
2545	=item $player_object->enter_exit ($exit_object)	2970	=item $player_object->enter_exit ($exit_object)
2546		2971
…		…
2566	}	2991	}
2567		2992
2568	sub prepare_random_map {	2993	sub prepare_random_map {
2569	my ($exit) = @_;	2994	my ($exit) = @_;
2570		2995
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2996	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2997	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2998	# that depends on the exit object
2576		2999
2577	my $rmp = parse_random_map_params $exit->msg;	3000	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	3002	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	3003	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	3004	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	3005	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	3006	$rmp->{origin_y} = $exit->y;
		3007
		3008	$exit->map->touch;
2584	}	3009	}
2585		3010
2586	$rmp->{random_seed} ||= $exit->random_seed;	3011	$rmp->{random_seed} ||= $exit->random_seed;
2587		3012
2588	my $data = cf::to_json $rmp;	3013	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	3014	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	3015	my $meta = "$RANDOMDIR/$md5.meta";
2591		3016
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3017	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	3018	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	3019	undef $fh;
2595	aio_rename "$meta~", $meta;	3020	aio_rename "$meta~", $meta;
2596		3021
		3022	my $slaying = "?random/$md5";
		3023
		3024	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	3025	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	3026	$exit->msg (undef);
		3027	}
2599	}	3028	}
2600	}	3029	}
2601		3030
2602	sub cf::object::player::enter_exit {	3031	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	3032	my ($self, $exit) = @_;
2604		3033
2605	return unless $self->type == cf::PLAYER;	3034	return unless $self->type == cf::PLAYER;
2606		3035
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	3036	$self->enter_link;
2619		3037
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	3038	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	3039	$Coro::current->{desc} = "enter_exit";
2626		3040
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	3041	unless (eval {
		3042	$self->deactivate_recursive; # just to be sure
		3043
		3044	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3045	my $x = $exit->stats->hp;
		3046	my $y = $exit->stats->sp;
		3047
		3048	# special map handling
		3049	my $slaying = $exit->slaying;
		3050
		3051	# special map handling
		3052	if ($slaying eq "/!") {
		3053	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3054
		3055	prepare_random_map $exit
		3056	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3057
		3058	$map = $exit->slaying;
		3059
		3060	} elsif ($slaying eq '!up') {
		3061	$map = $exit->map->tile_path (cf::TILE_UP);
		3062	$x = $exit->x;
		3063	$y = $exit->y;
		3064
		3065	} elsif ($slaying eq '!down') {
		3066	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3067	$x = $exit->x;
		3068	$y = $exit->y;
		3069	}
		3070
2629	$self->goto ($slaying, $hp, $sp);	3071	$self->goto ($map, $x, $y);
2630		3072
		3073	# if exit is damned, update players death & WoR home-position
		3074	$self->contr->savebed ($map, $x, $y)
		3075	if $exit->flag (cf::FLAG_DAMNED);
		3076
2631	1;	3077	1
2632	}) {	3078	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	3079	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	3080	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	3081	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	3082	cf::NDI_UNIQUE | cf::NDI_RED);
2637		3083
2638	warn "ERROR in enter_exit: $@";	3084	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	3085	$self->leave_link;
2640	}	3086	}
2641	})->prio (1);	3087	})->prio (1);
2642	}	3088	}
2643		3089
2644	=head3 cf::client	3090	=head3 cf::client
2645		3091
2646	=over 4	3092	=over 4
2647		3093
2648	=item $client->send_drawinfo ($text, $flags)	3094	=item $client->send_big_packet ($pkt)
2649		3095
2650	Sends a drawinfo packet to the client. Circumvents output buffering so	3096	Like C<send_packet>, but tries to compress large packets, and fragments
2651	should not be used under normal circumstances.	3097	them as required.
2652		3098
2653	=cut	3099	=cut
2654		3100
		3101	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3102
2655	sub cf::client::send_drawinfo {	3103	sub cf::client::send_big_packet {
2656	my ($self, $text, $flags) = @_;	3104	my ($self, $pkt) = @_;
2657		3105
2658	utf8::encode $text;	3106	# try lzf for large packets
2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3107	$pkt = "lzf " . Compress::LZF::compress $pkt
		3108	if 1024 <= length $pkt and $self->{can_lzf};
		3109
		3110	# split very large packets
		3111	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3112	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3113	$pkt = "frag";
		3114	}
		3115
		3116	$self->send_packet ($pkt);
2660	}	3117	}
2661		3118
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3119	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3120
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3121	Send a msg packet to the client, formatting the msg for the client if
2665	client if neccessary. C<$type> should be a string identifying the type of	3122	necessary. C<$type> should be a string identifying the type of the
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3123	message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3124	the message unless the client supports the msg packet.
2668		3125
2669	=cut	3126	=cut
2670		3127
		3128	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	3129	our %CHANNEL = (
		3130	"c/motd" => {
		3131	id => "infobox",
		3132	title => "MOTD",
		3133	reply => undef,
		3134	tooltip => "The message of the day",
		3135	},
2672	"c/identify" => {	3136	"c/identify" => {
2673	id => "infobox",	3137	id => "infobox",
2674	title => "Identify",	3138	title => "Identify",
2675	reply => undef,	3139	reply => undef,
2676	tooltip => "Items recently identified",	3140	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3142	"c/examine" => {
2679	id => "infobox",	3143	id => "infobox",
2680	title => "Examine",	3144	title => "Examine",
2681	reply => undef,	3145	reply => undef,
2682	tooltip => "Signs and other items you examined",	3146	tooltip => "Signs and other items you examined",
		3147	},
		3148	"c/shopinfo" => {
		3149	id => "infobox",
		3150	title => "Shop Info",
		3151	reply => undef,
		3152	tooltip => "What your bargaining skill tells you about the shop",
2683	},	3153	},
2684	"c/book" => {	3154	"c/book" => {
2685	id => "infobox",	3155	id => "infobox",
2686	title => "Book",	3156	title => "Book",
2687	reply => undef,	3157	reply => undef,
…		…
2691	id => "infobox",	3161	id => "infobox",
2692	title => "Look",	3162	title => "Look",
2693	reply => undef,	3163	reply => undef,
2694	tooltip => "What you saw there",	3164	tooltip => "What you saw there",
2695	},	3165	},
		3166	"c/who" => {
		3167	id => "infobox",
		3168	title => "Players",
		3169	reply => undef,
		3170	tooltip => "Shows players who are currently online",
		3171	},
		3172	"c/body" => {
		3173	id => "infobox",
		3174	title => "Body Parts",
		3175	reply => undef,
		3176	tooltip => "Shows which body parts you possess and are available",
		3177	},
		3178	"c/statistics" => {
		3179	id => "infobox",
		3180	title => "Statistics",
		3181	reply => undef,
		3182	tooltip => "Shows your primary statistics",
		3183	},
		3184	"c/skills" => {
		3185	id => "infobox",
		3186	title => "Skills",
		3187	reply => undef,
		3188	tooltip => "Shows your experience per skill and item power",
		3189	},
		3190	"c/shopitems" => {
		3191	id => "infobox",
		3192	title => "Shop Items",
		3193	reply => undef,
		3194	tooltip => "Shows the items currently for sale in this shop",
		3195	},
		3196	"c/resistances" => {
		3197	id => "infobox",
		3198	title => "Resistances",
		3199	reply => undef,
		3200	tooltip => "Shows your resistances",
		3201	},
		3202	"c/pets" => {
		3203	id => "infobox",
		3204	title => "Pets",
		3205	reply => undef,
		3206	tooltip => "Shows information abotu your pets/a specific pet",
		3207	},
		3208	"c/perceiveself" => {
		3209	id => "infobox",
		3210	title => "Perceive Self",
		3211	reply => undef,
		3212	tooltip => "You gained detailed knowledge about yourself",
		3213	},
		3214	"c/uptime" => {
		3215	id => "infobox",
		3216	title => "Uptime",
		3217	reply => undef,
		3218	tooltip => "How long the server has been running since last restart",
		3219	},
		3220	"c/mapinfo" => {
		3221	id => "infobox",
		3222	title => "Map Info",
		3223	reply => undef,
		3224	tooltip => "Information related to the maps",
		3225	},
		3226	"c/party" => {
		3227	id => "party",
		3228	title => "Party",
		3229	reply => "gsay ",
		3230	tooltip => "Messages and chat related to your party",
		3231	},
		3232	"c/death" => {
		3233	id => "death",
		3234	title => "Death",
		3235	reply => undef,
		3236	tooltip => "Reason for and more info about your most recent death",
		3237	},
		3238	"c/fatal" => {
		3239	id => "fatal",
		3240	title => "Fatal Error",
		3241	reply => undef,
		3242	tooltip => "Reason for the server disconnect",
		3243	},
		3244	"c/say" => $SAY_CHANNEL,
		3245	"c/chat" => $CHAT_CHANNEL,
2696	);	3246	);
2697		3247
2698	sub cf::client::send_msg {	3248	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	3249	my ($self, $channel, $msg, $color, @extra) = @_;
2700		3250
2701	$msg = $self->pl->expand_cfpod ($msg);	3251	$msg = $self->pl->expand_cfpod ($msg)
		3252	unless $color & cf::NDI_VERBATIM;
2702		3253
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	3254	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		3255
2705	# check predefined channels, for the benefit of C	3256	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	3257	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	3258	$channel = $CHANNEL{$channel};
2708		3259
2709	$self->ext_msg (channel_info => $channel)	3260	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	3261	$channel = $channel->{id};
2713		3262
2714	} elsif (ref $channel) {	3263	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	3264	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	3265	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	3266	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	3267	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	3268	}
2721		3269
2722	$channel = $channel->{id};	3270	$channel = $channel->{id};
2723	}	3271	}
2724		3272
2725	return unless @extra || length $msg;	3273	return unless @extra || length $msg;
2726		3274
2727	if ($self->can_msg) {
2728	# default colour, mask it out	3275	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3276	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	3277	if $color & cf::NDI_DEF;
2731		3278
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	3279	my $pkt = "msg "
		3280	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3281	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	3282	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		3283
2746	$color &= cf::NDI_COLOR_MASK;	3284	$self->send_big_packet ($pkt);
2747
2748	utf8::encode $msg;
2749
2750	if (0 && $msg =~ /\[/) {
2751	# COMMAND/INFO
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}
2759	}	3285	}
2760		3286
2761	=item $client->ext_msg ($type, @msg)	3287	=item $client->ext_msg ($type, @msg)
2762		3288
2763	Sends an ext event to the client.	3289	Sends an ext event to the client.
…		…
2765	=cut	3291	=cut
2766		3292
2767	sub cf::client::ext_msg($$@) {	3293	sub cf::client::ext_msg($$@) {
2768	my ($self, $type, @msg) = @_;	3294	my ($self, $type, @msg) = @_;
2769		3295
2770	if ($self->extcmd == 2) {
2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3296	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772	} elsif ($self->extcmd == 1) { # TODO: remove
2773	push @msg, msgtype => "event_$type";
2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775	}
2776	}
2777
2778	=item $client->ext_reply ($msgid, @msg)
2779
2780	Sends an ext reply to the client.
2781
2782	=cut
2783
2784	sub cf::client::ext_reply($$@) {
2785	my ($self, $id, @msg) = @_;
2786
2787	if ($self->extcmd == 2) {
2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789	} elsif ($self->extcmd == 1) {
2790	#TODO: version 1, remove
2791	unshift @msg, msgtype => "reply", msgid => $id;
2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793	}
2794	}	3297	}
2795		3298
2796	=item $success = $client->query ($flags, "text", \&cb)	3299	=item $success = $client->query ($flags, "text", \&cb)
2797		3300
2798	Queues a query to the client, calling the given callback with	3301	Queues a query to the client, calling the given callback with
…		…
2818		3321
2819	$self->send_packet ($self->{query_queue}[0][0])	3322	$self->send_packet ($self->{query_queue}[0][0])
2820	if @{ $self->{query_queue} } == 1;	3323	if @{ $self->{query_queue} } == 1;
2821		3324
2822	1	3325	1
		3326	}
		3327
		3328	=item $client->update_command_faces
		3329
		3330	=cut
		3331
		3332	our %COMMAND_FACE;
		3333
		3334	sub cf::client::update_command_faces {
		3335	my ($self) = @_;
		3336
		3337	my @faces = grep $_,
		3338	$COMMAND_FACE{preferred},
		3339	$COMMAND_FACE{standard},
		3340	$COMMAND_FACE{skill},
		3341	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3342	$COMMAND_FACE{emote},
		3343	;
		3344
		3345	$self->send_face ($_)
		3346	for @faces;
		3347	$self->flush_fx;
		3348
		3349	$self->ext_msg (command_list => @faces);
		3350	}
		3351
		3352	=item cf::client::set_command_face $type, $commands
		3353
		3354	=cut
		3355
		3356	sub cf::client::set_command_face {
		3357	my ($type, $list) = @_;
		3358
		3359	my $idx = &cf::face::set ( #d# ugly forward reference
		3360	"command_list/$type" => cf::FT_RSRC,
		3361	JSON::XS->new->utf8->encode ([ sort @$list ])
		3362	);
		3363
		3364	$COMMAND_FACE{$type} = $idx;
2823	}	3365	}
2824		3366
2825	cf::client->attach (	3367	cf::client->attach (
2826	on_connect => sub {	3368	on_connect => sub {
2827	my ($ns) = @_;	3369	my ($ns) = @_;
…		…
2853	my ($ns, $buf) = @_;	3395	my ($ns, $buf) = @_;
2854		3396
2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3397	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2856		3398
2857	if (ref $msg) {	3399	if (ref $msg) {
2858	my ($type, $reply, @payload) =	3400	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2859	"ARRAY" eq ref $msg
2860	? @$msg
2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2862		3401
2863	my @reply;
2864
2865	if (my $cb = $EXTICMD{$type}) {	3402	if (my $cb = $EXTIACMD{$type}) {
		3403	$cb->(
		3404	$ns,
		3405	sub {
		3406	$ns->ext_msg ("reply-$reply", @_)
		3407	if $reply;
		3408	},
		3409	@payload
		3410	);
		3411	} else {
		3412	my @reply;
		3413
		3414	if (my $cb = $EXTICMD{$type}) {
2866	@reply = $cb->($ns, @payload);	3415	@reply = $cb->($ns, @payload);
		3416	}
		3417
		3418	$ns->ext_msg ("reply-$reply", @reply)
		3419	if $reply;
2867	}	3420	}
2868
2869	$ns->ext_reply ($reply, @reply)
2870	if $reply;
2871
2872	} else {	3421	} else {
2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3422	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2874	}	3423	}
2875		3424
2876	cf::override;	3425	cf::override;
2877	},	3426	},
2878	);	3427	);
…		…
2898		3447
2899	$coro	3448	$coro
2900	}	3449	}
2901		3450
2902	cf::client->attach (	3451	cf::client->attach (
2903	on_destroy => sub {	3452	on_client_destroy => sub {
2904	my ($ns) = @_;	3453	my ($ns) = @_;
2905		3454
2906	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3455	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2907	},	3456	},
2908	);	3457	);
…		…
2924	our $safe_hole = new Safe::Hole;	3473	our $safe_hole = new Safe::Hole;
2925		3474
2926	$SIG{FPE} = 'IGNORE';	3475	$SIG{FPE} = 'IGNORE';
2927		3476
2928	$safe->permit_only (Opcode::opset qw(	3477	$safe->permit_only (Opcode::opset qw(
2929	:base_core :base_mem :base_orig :base_math	3478	:base_core :base_mem :base_orig :base_math :base_loop
2930	grepstart grepwhile mapstart mapwhile	3479	grepstart grepwhile mapstart mapwhile
2931	sort time	3480	sort time
2932	));	3481	));
2933		3482
2934	# here we export the classes and methods available to script code	3483	# here we export the classes and methods available to script code
…		…
2937		3486
2938	The following functions and methods are available within a safe environment:	3487	The following functions and methods are available within a safe environment:
2939		3488
2940	cf::object	3489	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3490	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3491	insert remove name archname title slaying race decrease split
		3492	value
2943		3493
2944	cf::object::player	3494	cf::object::player
2945	player	3495	player
2946		3496
2947	cf::player	3497	cf::player
…		…
2952		3502
2953	=cut	3503	=cut
2954		3504
2955	for (	3505	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3506	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3507	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3508	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3509	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3510	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3511	["cf::map" => qw(trigger)],
2962	) {	3512	) {
2963	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3513	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3514	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2966	for @funs;	3515	for @funs;
2967	}	3516	}
2968		3517
…		…
2983		3532
2984	my $qcode = $code;	3533	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3534	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3535	$qcode =~ s/\n/\\n/g;
2987		3536
		3537	%vars = (_dummy => 0) unless %vars;
		3538
		3539	my @res;
2988	local $_;	3540	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;
2990		3541
2991	my $eval =	3542	my $eval =
2992	"do {\n"	3543	"do {\n"
2993	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3544	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2994	. "#line 0 \"{$qcode}\"\n"	3545	. "#line 0 \"{$qcode}\"\n"
2995	. $code	3546	. $code
2996	. "\n}"	3547	. "\n}"
2997	;	3548	;
2998		3549
		3550	if ($CFG{safe_eval}) {
2999	sub_generation_inc;	3551	sub_generation_inc;
		3552	local @safe::cf::_safe_eval_args = values %vars;
3000	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3553	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3001	sub_generation_inc;	3554	sub_generation_inc;
		3555	} else {
		3556	local @cf::_safe_eval_args = values %vars;
		3557	@res = wantarray ? eval eval : scalar eval $eval;
		3558	}
3002		3559
3003	if ($@) {	3560	if ($@) {
3004	warn "$@";	3561	warn "$@",
3005	warn "while executing safe code '$code'\n";	3562	"while executing safe code '$code'\n",
3006	warn "with arguments " . (join " ", %vars) . "\n";	3563	"with arguments " . (join " ", %vars) . "\n";
3007	}	3564	}
3008		3565
3009	wantarray ? @res : $res[0]	3566	wantarray ? @res : $res[0]
3010	}	3567	}
3011		3568
…		…
3025	=cut	3582	=cut
3026		3583
3027	sub register_script_function {	3584	sub register_script_function {
3028	my ($fun, $cb) = @_;	3585	my ($fun, $cb) = @_;
3029		3586
3030	no strict 'refs';	3587	$fun = "safe::$fun" if $CFG{safe_eval};
3031	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3588	*$fun = $safe_hole->wrap ($cb);
3032	}	3589	}
3033		3590
3034	=back	3591	=back
3035		3592
3036	=cut	3593	=cut
3037		3594
3038	#############################################################################	3595	#############################################################################
3039	# the server's init and main functions	3596	# the server's init and main functions
3040		3597
		3598	{
		3599	package cf::face;
		3600
		3601	our %HASH; # hash => idx
		3602	our @DATA; # dynamically-created facedata, only faceste 0 used
		3603	our @FOFS; # file offset, if > 0
		3604	our @SIZE; # size of face, in octets
		3605	our @META; # meta hash of face, if any
		3606	our $DATAFH; # facedata filehandle
		3607
		3608	# internal api, not finalised
		3609	sub set {
		3610	my ($name, $type, $data) = @_;
		3611
		3612	my $idx = cf::face::find $name;
		3613
		3614	if ($idx) {
		3615	delete $HASH{cf::face::get_csum $idx};
		3616	} else {
		3617	$idx = cf::face::alloc $name;
		3618	}
		3619
		3620	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3621
		3622	cf::face::set_type $idx, $type;
		3623	cf::face::set_csum $idx, 0, $hash;
		3624
		3625	# we need to destroy the SV itself, not just modify it, as a running ix
		3626	# might hold a reference to it: "delete" achieves that.
		3627	delete $FOFS[0][$idx];
		3628	delete $DATA[0][$idx];
		3629	$DATA[0][$idx] = $data;
		3630	$SIZE[0][$idx] = length $data;
		3631	delete $META[$idx];
		3632	$HASH{$hash} = $idx;#d#
		3633
		3634	$idx
		3635	}
		3636
		3637	sub _get_data($$$) {
		3638	my ($idx, $set, $cb) = @_;
		3639
		3640	if (defined $DATA[$set][$idx]) {
		3641	$cb->($DATA[$set][$idx]);
		3642	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3643	my $size = $SIZE[$set][$idx];
		3644	my $buf;
		3645	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3646	if ($_[0] == $size) {
		3647	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3648	$cb->($buf);
		3649	} else {
		3650	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3651	}
		3652	};
		3653	} else {
		3654	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3655	}
		3656	}
		3657
		3658	# rather ineffient
		3659	sub cf::face::get_data($;$) {
		3660	my ($idx, $set) = @_;
		3661
		3662	_get_data $idx, $set, Coro::rouse_cb;
		3663	Coro::rouse_wait
		3664	}
		3665
		3666	sub cf::face::ix {
		3667	my ($ns, $set, $idx, $pri) = @_;
		3668
		3669	_get_data $idx, $set, sub {
		3670	$ns->ix_send ($idx, $pri, $_[0]);
		3671	};
		3672	}
		3673	}
		3674
3041	sub load_facedata($) {	3675	sub load_facedata($) {
3042	my ($path) = @_;	3676	my ($path) = @_;
3043		3677
3044	# HACK to clear player env face cache, we need some signal framework
3045	# for this (global event?)
3046	%ext::player_env::MUSIC_FACE_CACHE = ();
3047
3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3678	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049		3679
3050	warn "loading facedata from $path\n";	3680	trace "loading facedata from $path\n";
3051		3681
3052	my $facedata;	3682	my $facedata = decode_storable load_file "$path/faceinfo";
3053	0 < aio_load $path, $facedata
3054	or die "$path: $!";
3055
3056	$facedata = Coro::Storable::thaw $facedata;
3057		3683
3058	$facedata->{version} == 2	3684	$facedata->{version} == 2
3059	or cf::cleanup "$path: version mismatch, cannot proceed.";	3685	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3060		3686
3061	# patch in the exptable	3687	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3062	$facedata->{resource}{"res/exp_table"} = {	3688	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3063	type => FT_RSRC,	3689
3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3690	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3065	};	3691
3066	cf::cede_to_tick;	3692	# BEGIN ATOMIC
		3693	# from here on, everything must be atomic - no thread switch allowed
		3694	my $t1 = EV::time;
3067		3695
3068	{	3696	{
3069	my $faces = $facedata->{faceinfo};	3697	my $faces = $facedata->{faceinfo};
3070		3698
3071	while (my ($face, $info) = each %$faces) {	3699	for my $face (sort keys %$faces) {
		3700	my $info = $faces->{$face};
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3701	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3702
3073	cf::face::set_visibility $idx, $info->{visibility};	3703	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3704	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3705	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3706	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3077		3707	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3078	cf::cede_to_tick;	3708	$cf::face::HASH{$info->{hash64}} = $idx;
		3709	delete $cf::face::META[$idx];
3079	}	3710	}
3080		3711
3081	while (my ($face, $info) = each %$faces) {	3712	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3713	next unless $info->{smooth};
		3714
3083	my $idx = cf::face::find $face	3715	my $idx = cf::face::find $face
3084	or next;	3716	or next;
		3717
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3718	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3719	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3720	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3721	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3722	error "smooth face '$info->{smooth}' not found for face '$face'";
3090	}	3723	}
3091
3092	cf::cede_to_tick;
3093	}	3724	}
3094	}	3725	}
3095		3726
3096	{	3727	{
3097	my $anims = $facedata->{animinfo};	3728	my $anims = $facedata->{animinfo};
3098		3729
3099	while (my ($anim, $info) = each %$anims) {	3730	while (my ($anim, $info) = each %$anims) {
3100	cf::anim::set $anim, $info->{frames}, $info->{facings};	3731	cf::anim::set $anim, $info->{frames}, $info->{facings};
3101	cf::cede_to_tick;
3102	}	3732	}
3103		3733
3104	cf::anim::invalidate_all; # d'oh	3734	cf::anim::invalidate_all; # d'oh
3105	}	3735	}
3106		3736
3107	{	3737	{
3108	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3738	my $res = $facedata->{resource};
3111		3739
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3740	while (my ($name, $info) = each %$res) {
		3741	if (defined (my $type = $info->{type})) {
		3742	# TODO: different hash - must free and use new index, or cache ixface data queue
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3743	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;
3117		3744
3118	if ($info->{type} & 1) {	3745	cf::face::set_type $idx, $type;
3119	# prepend meta info	3746	cf::face::set_csum $idx, 0, $info->{hash};
3120		3747	$cf::face::SIZE[0][$idx] = $info->{size};
3121	my $meta = $enc->encode ({	3748	$cf::face::FOFS[0][$idx] = $info->{fofs};
3122	name => $name,	3749	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3123	%{ $info->{meta} || {} },	3750	$cf::face::HASH{$info->{hash}} = $idx;
3124	});
3125
3126	$data = pack "(w/a*)*", $meta, $info->{data};
3127	} else {	3751	} else {
3128	$data = $info->{data};	3752	# $RESOURCE{$name} = $info; # unused
3129	}	3753	}
3130
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;
3135	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}	3754	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3755	}
		3756
		3757	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3758
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
		3763	# END ATOMIC
		3764
		3765	cf::debug "facedata atomic update time ", EV::time - $t1;
		3766
		3767	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3768
		3769	aio_close $fh if $fh; # close old facedata
3155		3770
3156	1	3771	1
3157	}	3772	}
3158		3773
3159	register_exticmd fx_want => sub {	3774	register_exticmd fx_want => sub {
…		…
3161		3776
3162	while (my ($k, $v) = each %$want) {	3777	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3778	$ns->fx_want ($k, $v);
3164	}	3779	}
3165	};	3780	};
		3781
		3782	sub load_resource_file($) {
		3783	my $guard = lock_acquire "load_resource_file";
		3784
		3785	my $status = load_resource_file_ $_[0];
		3786	get_slot 0.1, 100;
		3787	cf::arch::commit_load;
		3788
		3789	$status
		3790	}
		3791
		3792	sub reload_exp_table {
		3793	_reload_exp_table;
		3794
		3795	cf::face::set
		3796	"res/exp_table" => FT_RSRC,
		3797	JSON::XS->new->utf8->canonical->encode (
		3798	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3799	);
		3800	}
		3801
		3802	sub reload_materials {
		3803	_reload_materials;
		3804	}
3166		3805
3167	sub reload_regions {	3806	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3807	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3808	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3809	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3177	if exists $_->{match};	3816	if exists $_->{match};
3178	}	3817	}
3179	}	3818	}
3180		3819
3181	sub reload_facedata {	3820	sub reload_facedata {
3182	load_facedata "$DATADIR/facedata"	3821	load_facedata $DATADIR
3183	or die "unable to load facedata\n";	3822	or die "unable to load facedata\n";
3184	}	3823	}
3185		3824
3186	sub reload_archetypes {	3825	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3826	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3827	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references	3828
3190	# this really needs to be done in an extra post-pass	3829	cf::face::set
3191	# (which needs to be synchronous, so solve it differently)	3830	"res/skill_info" => FT_RSRC,
3192	load_resource_file "$DATADIR/archetypes"	3831	JSON::XS->new->utf8->canonical->encode (
3193	or die "unable to load archetypes\n";	3832	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3833	);
		3834
		3835	cf::face::set
		3836	"res/spell_paths" => FT_RSRC,
		3837	JSON::XS->new->utf8->canonical->encode (
		3838	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3839	);
		3840
		3841	# command completion
		3842	my @commands;
		3843
		3844	for (0..cf::arch::skillvec_size - 1) {
		3845	my $skill = cf::arch::skillvec $_;
		3846	my $name = $skill->name;
		3847	my $flags = cf::skill_flags $skill->subtype;
		3848
		3849	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3850	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3851	}
		3852
		3853	cf::client::set_command_face skill => \@commands;
3194	}	3854	}
3195		3855
3196	sub reload_treasures {	3856	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3857	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3858	or die "unable to load treasurelists\n";
3199	}	3859	}
3200		3860
		3861	sub reload_sound {
		3862	trace "loading sound config from $DATADIR/sound\n";
		3863
		3864	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3865
		3866	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3867	my $sound = $soundconf->{compat}[$_]
		3868	or next;
		3869
		3870	my $face = cf::face::find "sound/$sound->[1]";
		3871	cf::sound::set $sound->[0] => $face;
		3872	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3873	}
		3874
		3875	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3876	my $face = cf::face::find "sound/$v";
		3877	cf::sound::set $k => $face;
		3878	}
		3879	}
		3880
3201	sub reload_resources {	3881	sub reload_resources {
3202	warn "reloading resource files...\n";	3882	trace "reloading resource files...\n";
3203		3883
		3884	reload_materials;
		3885	reload_facedata;
		3886	reload_exp_table;
		3887	reload_sound;
		3888	reload_archetypes;
3204	reload_regions;	3889	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3890	reload_treasures;
3209		3891
3210	warn "finished reloading resource files\n";	3892	trace "finished reloading resource files\n";
3211	}
3212
3213	sub init {
3214	reload_resources;
3215	}	3893	}
3216		3894
3217	sub reload_config {	3895	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3896	trace "reloading config file...\n";
3219	or return;
3220		3897
3221	local $/;	3898	my $config = load_file "$CONFDIR/config";
3222	*CFG = YAML::Syck::Load <$fh>;	3899	utf8::decode $config;
		3900	*CFG = decode_yaml $config;
3223		3901
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3902	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3225		3903
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3904	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3905	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3228		3906
3229	if (exists $CFG{mlockall}) {	3907	if (exists $CFG{mlockall}) {
…		…
3233	};	3911	};
3234	warn $@ if $@;	3912	warn $@ if $@;
3235	}	3913	}
3236	}	3914	}
3237		3915
		3916	sub pidfile() {
		3917	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3918	or die "$PIDFILE: $!";
		3919	flock $fh, &Fcntl::LOCK_EX
		3920	or die "$PIDFILE: flock: $!";
		3921	$fh
		3922	}
		3923
		3924	# make sure only one server instance is running at any one time
		3925	sub atomic {
		3926	my $fh = pidfile;
		3927
		3928	my $pid = <$fh>;
		3929	kill 9, $pid if $pid > 0;
		3930
		3931	seek $fh, 0, 0;
		3932	print $fh $$;
		3933	}
		3934
		3935	sub main_loop {
		3936	trace "EV::run starting\n";
		3937	if (1) {
		3938	EV::run;
		3939	}
		3940	trace "EV::run returned\n";
		3941	goto &main_loop unless $REALLY_UNLOOP;
		3942	}
		3943
3238	sub main {	3944	sub main {
		3945	cf::init_globals; # initialise logging
		3946
		3947	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3948	LOG llevInfo, "Copyright (C) 2017-2018 Marc Alexander Lehmann / the Deliantra team.";
		3949	LOG llevInfo, "Copyright (C) 2005-2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3950	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3951	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3952
		3953	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3954
3239	# we must not ever block the main coroutine	3955	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3956	$Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3957	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3958	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3959	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3960	EV::run EV::RUN_ONCE;
3245	})->prio (Coro::PRIO_MAX);	3961	})->prio (Coro::PRIO_MAX);
3246	};	3962	};
3247		3963
		3964	evthread_start IO::AIO::poll_fileno;
		3965
		3966	cf::sync_job {
		3967	cf::incloader::init ();
		3968
		3969	db_init;
		3970
		3971	cf::init_anim;
		3972	cf::init_attackmess;
		3973	cf::init_dynamic;
		3974
		3975	cf::load_settings;
		3976
		3977	reload_resources;
3248	reload_config;	3978	reload_config;
3249	db_init;	3979
		3980	cf::init_uuid;
		3981	cf::init_signals;
		3982	cf::init_skills;
		3983
		3984	cf::init_beforeplay;
		3985
		3986	atomic;
		3987
3250	load_extensions;	3988	load_extensions;
3251		3989
3252	$TICK_WATCHER->start;	3990	utime time, time, $RUNTIMEFILE;
3253	Event::loop;	3991
		3992	# no (long-running) fork's whatsoever before this point(!)
		3993	use POSIX ();
		3994	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3995
		3996	cf::_post_init 0;
		3997	};
		3998
		3999	cf::object::thawer::errors_are_fatal 0;
		4000	info "parse errors in files are no longer fatal from this point on.\n";
		4001
		4002	AE::postpone {
		4003	undef &main; # free gobs of memory :)
		4004	};
		4005
		4006	goto &main_loop;
3254	}	4007	}
3255		4008
3256	#############################################################################	4009	#############################################################################
3257	# initialisation and cleanup	4010	# initialisation and cleanup
3258		4011
3259	# install some emergency cleanup handlers	4012	# install some emergency cleanup handlers
3260	BEGIN {	4013	BEGIN {
		4014	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	4015	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	4016	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	4017	cf::cleanup "SIG$signal";
3269	},
3270	);	4018	};
3271	}	4019	}
3272	}	4020	}
3273		4021
3274	sub write_runtime {	4022	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";	4023	my $t0 = AE::time;
3276		4024
3277	# first touch the runtime file to show we are still running:	4025	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	4026	# the fsync below can take a very very long time.
3279		4027
3280	IO::AIO::aio_utime $runtime, undef, undef;	4028	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		4029
3282	my $guard = cf::lock_acquire "write_runtime";	4030	my $guard = cf::lock_acquire "write_runtime";
3283		4031
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4032	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3285	or return;	4033	or return;
3286		4034
3287	my $value = $cf::RUNTIME + 90 + 10;	4035	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	4036	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	4037	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	4047	aio_utime $fh, undef, undef;
3300		4048
3301	close $fh	4049	close $fh
3302	or return;	4050	or return;
3303		4051
3304	aio_rename "$runtime~", $runtime	4052	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	4053	and return;
3306		4054
3307	warn "runtime file written.\n";	4055	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3308		4056
3309	1	4057	1
		4058	}
		4059
		4060	our $uuid_lock;
		4061	our $uuid_skip;
		4062
		4063	sub write_uuid_sync($) {
		4064	$uuid_skip ||= $_[0];
		4065
		4066	return if $uuid_lock;
		4067	local $uuid_lock = 1;
		4068
		4069	my $uuid = "$LOCALDIR/uuid";
		4070
		4071	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4072	or return;
		4073
		4074	my $value = uuid_seq uuid_cur;
		4075
		4076	unless ($value) {
		4077	info "cowardly refusing to write zero uuid value!\n";
		4078	return;
		4079	}
		4080
		4081	my $value = uuid_str $value + $uuid_skip;
		4082	$uuid_skip = 0;
		4083
		4084	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4085	and return;
		4086
		4087	# always fsync - this file is important
		4088	aio_fsync $fh
		4089	and return;
		4090
		4091	close $fh
		4092	or return;
		4093
		4094	aio_rename "$uuid~", $uuid
		4095	and return;
		4096
		4097	trace "uuid file written ($value).\n";
		4098
		4099	1
		4100
		4101	}
		4102
		4103	sub write_uuid($$) {
		4104	my ($skip, $sync) = @_;
		4105
		4106	$sync ? write_uuid_sync $skip
		4107	: async { write_uuid_sync $skip };
3310	}	4108	}
3311		4109
3312	sub emergency_save() {	4110	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	4111	my $freeze_guard = cf::freeze_mainloop;
3314		4112
3315	warn "enter emergency perl save\n";	4113	info "emergency_perl_save: enter\n";
		4114
		4115	# this is a trade-off: we want to be very quick here, so
		4116	# save all maps without fsync, and later call a global sync
		4117	# (which in turn might be very very slow)
		4118	local $USE_FSYNC = 0;
3316		4119
3317	cf::sync_job {	4120	cf::sync_job {
		4121	cf::write_runtime_sync; # external watchdog should not bark
		4122
3318	# use a peculiar iteration method to avoid tripping on perl	4123	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	4124	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	4125	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	4126	info "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	4127	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	4128	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	4129	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4130	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	4131	$pl->save;
3327	}	4132	}
3328	warn "end emergency player save\n";	4133	info "emergency_perl_save: end player save\n";
3329		4134
3330	warn "begin emergency map save\n";	4135	cf::write_runtime_sync; # external watchdog should not bark
		4136
		4137	info "emergency_perl_save: begin map save\n";
3331	for my $path (keys %cf::MAP) {	4138	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	4139	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	4140	$map->valid or next;
3334	$map->save;	4141	$map->save;
3335	}	4142	}
3336	warn "end emergency map save\n";	4143	info "emergency_perl_save: end map save\n";
3337		4144
3338	warn "begin emergency database checkpoint\n";	4145	cf::write_runtime_sync; # external watchdog should not bark
		4146
		4147	info "emergency_perl_save: begin database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	4148	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	4149	info "emergency_perl_save: end database checkpoint\n";
		4150
		4151	info "emergency_perl_save: begin write uuid\n";
		4152	write_uuid_sync 1;
		4153	info "emergency_perl_save: end write uuid\n";
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
		4156
		4157	trace "emergency_perl_save: syncing database to disk";
		4158	BDB::db_env_txn_checkpoint $DB_ENV;
		4159
		4160	info "emergency_perl_save: starting sync\n";
		4161	IO::AIO::aio_sync sub {
		4162	info "emergency_perl_save: finished sync\n";
		4163	};
		4164
		4165	cf::write_runtime_sync; # external watchdog should not bark
		4166
		4167	trace "emergency_perl_save: flushing outstanding aio requests";
		4168	while (IO::AIO::nreqs || BDB::nreqs) {
		4169	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4170	}
		4171
		4172	cf::write_runtime_sync; # external watchdog should not bark
3341	};	4173	};
3342		4174
3343	warn "leave emergency perl save\n";	4175	info "emergency_perl_save: leave\n";
3344	}	4176	}
3345		4177
3346	sub post_cleanup {	4178	sub post_cleanup {
3347	my ($make_core) = @_;	4179	my ($make_core) = @_;
3348		4180
		4181	IO::AIO::flush;
		4182
3349	warn Carp::longmess "post_cleanup backtrace"	4183	error Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	4184	if $make_core;
		4185
		4186	my $fh = pidfile;
		4187	unlink $PIDFILE if <$fh> == $$;
		4188	}
		4189
		4190	# a safer delete_package, copied from Symbol
		4191	sub clear_package($) {
		4192	my $pkg = shift;
		4193
		4194	# expand to full symbol table name if needed
		4195	unless ($pkg =~ /^main::.*::$/) {
		4196	$pkg = "main$pkg" if $pkg =~ /^::/;
		4197	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4198	$pkg .= '::' unless $pkg =~ /::$/;
		4199	}
		4200
		4201	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4202	my $stem_symtab = *{$stem}{HASH};
		4203
		4204	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4205	or return;
		4206
		4207	# clear all symbols
		4208	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4209	for my $name (keys %$leaf_symtab) {
		4210	_gv_clear *{"$pkg$name"};
		4211	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4212	}
3351	}	4213	}
3352		4214
3353	sub do_reload_perl() {	4215	sub do_reload_perl() {
3354	# can/must only be called in main	4216	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	4217	unless (in_main) {
3356	warn "can only reload from main coroutine";	4218	error "can only reload from main coroutine";
3357	return;	4219	return;
3358	}	4220	}
3359		4221
3360	warn "reloading...";	4222	return if $RELOAD++;
3361		4223
3362	warn "entering sync_job";	4224	my $t1 = AE::time;
3363		4225
		4226	while ($RELOAD) {
		4227	cf::get_slot 0.1, -1, "reload_perl";
		4228	info "perl_reload: reloading...";
		4229
		4230	trace "perl_reload: entering sync_job";
		4231
3364	cf::sync_job {	4232	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark
3366	cf::emergency_save;	4233	#cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark
3368		4234
3369	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;
3371
3372	# if anything goes wrong in here, we should simply crash as we already saved
3373
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;
3385	warn "iterate...";
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";	4235	trace "perl_reload: cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;	4236	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();	4237	%EXT_CORO = ();
3393		4238
3394	warn "removing commands";	4239	trace "perl_reload: removing commands";
3395	%COMMAND = ();	4240	%COMMAND = ();
3396		4241
3397	warn "removing ext/exti commands";	4242	trace "perl_reload: removing ext/exti commands";
3398	%EXTCMD = ();	4243	%EXTCMD = ();
3399	%EXTICMD = ();	4244	%EXTICMD = ();
3400		4245
3401	warn "unloading/nuking all extensions";	4246	trace "perl_reload: unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {	4247	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";	4248	trace "... unloading $pkg";
3404		4249
3405	if (my $cb = $pkg->can ("unload")) {	4250	if (my $cb = $pkg->can ("unload")) {
3406	eval {	4251	eval {
3407	$cb->($pkg);	4252	$cb->($pkg);
3408	1	4253	1
3409	} or warn "$pkg unloaded, but with errors: $@";	4254	} or error "$pkg unloaded, but with errors: $@";
		4255	}
		4256
		4257	trace "... clearing $pkg";
		4258	clear_package $pkg;
3410	}	4259	}
3411		4260
3412	warn "... nuking $pkg";
3413	Symbol::delete_package $pkg;
3414	}
3415
3416	warn "unloading all perl modules loaded from $LIBDIR";	4261	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3417	while (my ($k, $v) = each %INC) {	4262	while (my ($k, $v) = each %INC) {
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		4264
3420	warn "... unloading $k";	4265	trace "... unloading $k";
3421	delete $INC{$k};	4266	delete $INC{$k};
3422		4267
3423	$k =~ s/\.pm$//;	4268	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;	4269	$k =~ s/\//::/g;
3425		4270
3426	if (my $cb = $k->can ("unload_module")) {	4271	if (my $cb = $k->can ("unload_module")) {
3427	$cb->();	4272	$cb->();
		4273	}
		4274
		4275	clear_package $k;
3428	}	4276	}
3429		4277
3430	Symbol::delete_package $k;
3431	}
3432
3433	warn "getting rid of safe::, as good as possible";	4278	trace "perl_reload: getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	4279	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4280	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		4281
3437	warn "unloading cf.pm \"a bit\"";	4282	trace "perl_reload: unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	4283	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	4284	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		4285
3441	# don't, removes xs symbols, too,	4286	# don't, removes xs symbols, too,
3442	# and global variables created in xs	4287	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	4288	#clear_package __PACKAGE__;
3444		4289
3445	warn "unload completed, starting to reload now";	4290	info "perl_reload: unload completed, starting to reload now";
3446		4291
3447	warn "reloading cf.pm";	4292	trace "perl_reload: reloading cf.pm";
3448	require cf;	4293	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4294	cf::_connect_to_perl_1;
3450		4295
3451	warn "loading config and database again";	4296	trace "perl_reload: loading config and database again";
3452	cf::reload_config;	4297	cf::reload_config;
3453		4298
3454	warn "loading extensions";	4299	trace "perl_reload: loading extensions";
3455	cf::load_extensions;	4300	cf::load_extensions;
3456		4301
		4302	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	4303	trace "perl_reload: reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	4304	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	4305	trace "perl_reload: reattaching attachments to maps";
3460	reattach $_ for values %MAP;	4306	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	4307	trace "perl_reload: reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	4308	reattach $_ for values %PLAYER;
		4309	}
3463		4310
3464	warn "leaving sync_job";	4311	cf::_post_init 1;
3465		4312
		4313	trace "perl_reload: leaving sync_job";
		4314
3466	1	4315	1
3467	} or do {	4316	} or do {
3468	warn $@;	4317	error $@;
3469	warn "error while reloading, exiting.";	4318	cf::cleanup "perl_reload: error, exiting.";
3470	exit 1;	4319	};
		4320
		4321	--$RELOAD;
3471	};	4322	}
3472		4323
3473	warn "reloaded";	4324	$t1 = AE::time - $t1;
		4325	info "perl_reload: completed in ${t1}s\n";
3474	};	4326	};
3475		4327
3476	our $RELOAD_WATCHER; # used only during reload	4328	our $RELOAD_WATCHER; # used only during reload
3477		4329
3478	sub reload_perl() {	4330	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	4331	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	4332	# coro crashes during coro_state_free->destroy here.
3481		4333
3482	$RELOAD_WATCHER ||= Event->timer (	4334	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	4335	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	4336
3485	data => WF_AUTOCANCEL,	4337	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	4338	do_reload_perl;
3488	undef $RELOAD_WATCHER;	4339	undef $RELOAD_WATCHER;
3489	},	4340	};
3490	);	4341	};
3491	}	4342	}
3492		4343
3493	register_command "reload" => sub {	4344	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	4345	my ($who, $arg) = @_;
3495		4346
…		…
3500	reload_perl;	4351	reload_perl;
3501	};	4352	};
3502	}	4353	}
3503	};	4354	};
3504		4355
3505	unshift @INC, $LIBDIR;	4356	#############################################################################
3506		4357
3507	my $bug_warning = 0;	4358	my $bug_warning = 0;
3508		4359
3509	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;
3511
3512	sub wait_for_tick {	4360	sub wait_for_tick() {
3513	return unless $TICK_WATCHER->is_active;	4361	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4362
3516	my $signal = new Coro::Signal;	4363	$WAIT_FOR_TICK->wait;
3517	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;
3519	}	4364	}
3520		4365
3521	sub wait_for_tick_begin {	4366	sub wait_for_tick_begin() {
3522	return unless $TICK_WATCHER->is_active;	4367	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3523	return if $Coro::current == $Coro::main;
3524		4368
3525	my $signal = new Coro::Signal;	4369	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	4370	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	4371	$signal->wait;
3528	}	4372	}
3529		4373
3530	$TICK_WATCHER = Event->timer (	4374	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	4375	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4376	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	4377	unless ++$bug_warning > 10;
3540	return;	4378	return;
3541	}	4379	}
3542		4380
3543	$NOW = $tick_start = Event::time;	4381	cf::one_tick; # one server iteration
3544		4382
3545	cf::server_tick; # one server iteration	4383	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3546		4384
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4385	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	4386	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	4387	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	4388	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	4389	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	4390	or error "ERROR: unable to write runtime file: $!";
3556	};
3557	}	4391	};
		4392	}
3558		4393
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	4395	$sig->send;
3561	}	4396	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	4397	$WAIT_FOR_TICK->broadcast;
3563	$sig->send;
3564	}
3565		4398
3566	$NOW = Event::time;	4399	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4400	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		4401
3577	_post_tick;	4402	if (0) {
		4403	if ($NEXT_TICK) {
		4404	my $jitter = $TICK_START - $NEXT_TICK;
		4405	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4406	debug "jitter $JITTER\n";#d#
		4407	}
3578	},	4408	}
3579	);	4409	}
3580		4410
3581	{	4411	{
		4412	# configure BDB
		4413	info "initialising database";
		4414
3582	BDB::min_parallel 8;	4415	BDB::min_parallel 16;
3583	BDB::max_poll_time $TICK * 0.1;	4416	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	4417	#$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		4418
3608	unless ($DB_ENV) {	4419	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	4420	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4421	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	4422	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4423	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4424	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4425	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		4426
3615	cf::sync_job {	4427	cf::sync_job {
3616	eval {	4428	eval {
…		…
3626		4438
3627	cf::cleanup "db_env_open(db): $@" if $@;	4439	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	4440	};
3629	}	4441	}
3630		4442
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	4443	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4444	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	4445	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	4446	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4447	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	4448	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	4449	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4450	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	4451	};
		4452
		4453	info "database initialised";
3661	}	4454	}
3662		4455
3663	{	4456	{
		4457	# configure IO::AIO
		4458
		4459	info "initialising aio";
3664	IO::AIO::min_parallel 8;	4460	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	4461	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	4462	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,	4463	info "aio initialised";
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	4464	}
3677		4465
3678	my $_log_backtrace;	4466	our $_log_backtrace;
		4467	our $_log_backtrace_last;
3679		4468
3680	sub _log_backtrace {	4469	sub _log_backtrace {
3681	my ($msg, @addr) = @_;	4470	my ($msg, @addr) = @_;
3682		4471
3683	$msg =~ s/\n//;	4472	$msg =~ s/\n$//;
3684		4473
		4474	if ($_log_backtrace_last eq $msg) {
		4475	LOG llevInfo, "[ABT] $msg\n";
		4476	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3685	# limit the # of concurrent backtraces	4477	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	4478	} elsif ($_log_backtrace < 2) {
		4479	$_log_backtrace_last = $msg;
3687	++$_log_backtrace;	4480	++$_log_backtrace;
		4481	my $perl_bt = Carp::longmess $msg;
3688	async {	4482	async {
3689	$Coro::current->{desc} = "abt $msg";	4483	$Coro::current->{desc} = "abt $msg";
3690		4484
3691	my @bt = fork_call {	4485	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	4486	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	4497	}
3704		4498
3705	@funcs	4499	@funcs
3706	};	4500	};
3707		4501
3708	LOG llevInfo, "[ABT] $msg\n";	4502	LOG llevInfo, "[ABT] $perl_bt\n";
		4503	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	4504	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	4505	--$_log_backtrace;
3711	};	4506	};
3712	} else {	4507	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	4508	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	4509	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3715	}	4510	}
3716	}	4511	}
3717		4512
3718	# load additional modules	4513	# load additional modules
3719	use cf::pod;	4514	require "cf/$_.pm" for @EXTRA_MODULES;
		4515	cf::_connect_to_perl_2;
3720		4516
3721	END { cf::emergency_save }	4517	END { cf::emergency_save }
3722		4518
3723	1	4519	1
3724		4520

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